_ZN11addressbook6Person25internal_default_instanceEv:
  322|      1|  static inline const Person* internal_default_instance() {
  323|      1|    return reinterpret_cast<const Person*>(
  324|      1|               &_Person_default_instance_);
  325|      1|  }
_ZN11addressbook6Person16default_instanceEv:
  319|      1|  static const Person& default_instance() {
  320|      1|    return *internal_default_instance();
  321|      1|  }

_ZN4brpc22AdaptiveMaxConcurrencyC2Ei:
   37|      1|    : _max_concurrency(0) {
   38|      1|    if (max_concurrency <= 0) {
  ------------------
  |  Branch (38:9): [True: 1, False: 0]
  ------------------
   39|      1|        _value = UNLIMITED;
   40|      1|        _max_concurrency = 0;
   41|      1|    } else {
   42|      0|        _value = butil::string_printf("%d", max_concurrency);
   43|      0|        _max_concurrency = max_concurrency;
   44|      0|    }
   45|      1|}

_ZN4brpc10SerializerC2ESt8functionIFbPN6google8protobuf2io20ZeroCopyOutputStreamEEE:
   39|      1|        :_callback(std::move(callback)) {
   40|      1|        SharedCtor();
   41|      1|    }
_ZN4brpc10Serializer10SharedCtorEv:
   90|      1|    void SharedCtor() {}
_ZN4brpc12DeserializerC2ESt8functionIFbPN6google8protobuf2io19ZeroCopyInputStreamEEE:
  105|      1|    explicit Deserializer(Callback callback) : _callback(std::move(callback)) {
  106|      1|        SharedCtor();
  107|      1|    }
_ZN4brpc12Deserializer10SharedCtorEv:
  155|      1|    void SharedCtor() {}
_ZN4brpc10SerializerC2Ev:
   36|      1|    Serializer() :Serializer(NULL) {}
_ZN4brpc12DeserializerC2Ev:
  103|      1|    Deserializer() :Deserializer(NULL) {}

_ZN4brpc19CouchbaseOperations16CouchbaseRequest10sharedCtorEv:
  403|      1|void CouchbaseOperations::CouchbaseRequest::sharedCtor() {
  404|      1|  _pipelined_count = 0;
  405|      1|  _cached_size_ = 0;
  406|      1|}
_ZN4brpc19CouchbaseOperations17CouchbaseResponse10sharedCtorEv:
  623|      1|void CouchbaseOperations::CouchbaseResponse::sharedCtor() { _cached_size_ = 0; }

_ZN4brpc24CouchbaseManifestManagerC2Ev:
  134|      2|  CouchbaseManifestManager() {}
_ZN4brpc16ReaderWriterLockC2Ev:
   60|      2|      : reader_count_(0), writer_active_(false), waiting_writers_(0) {}
_ZN4brpc19CouchbaseOperations17CouchbaseResponseC2Ev:
  382|      1|    CouchbaseResponse() : NonreflectableMessage<CouchbaseResponse>() {
  383|      1|      sharedCtor();
  384|      1|    }
_ZN4brpc19CouchbaseOperations16CouchbaseRequestC2Ev:
  268|      1|    CouchbaseRequest() : NonreflectableMessage<CouchbaseRequest>() {
  269|      1|      metadata_tracking = &common_metadata_tracking;
  270|      1|      sharedCtor();
  271|      1|    }

_ZN4brpc10EspMessageC2Ev:
   26|      1|    : NonreflectableMessage<EspMessage>() {
   27|      1|    SharedCtor();
   28|      1|}
_ZN4brpc10EspMessage10SharedCtorEv:
   30|      1|void EspMessage::SharedCtor() {
   31|      1|    memset(&head, 0, sizeof(head));
   32|      1|}

_ZN4brpc15MemcacheRequestC2Ev:
   30|      1|    : NonreflectableMessage<MemcacheRequest>() {
   31|      1|    SharedCtor();
   32|      1|}
_ZN4brpc15MemcacheRequest10SharedCtorEv:
   40|      1|void MemcacheRequest::SharedCtor() {
   41|      1|    _pipelined_count = 0;
   42|      1|    _cached_size_ = 0;
   43|      1|}
_ZN4brpc16MemcacheResponseC2Ev:
  141|      1|    : NonreflectableMessage<MemcacheResponse>() {
  142|      1|    SharedCtor();
  143|      1|}
_ZN4brpc16MemcacheResponse10SharedCtorEv:
  151|      1|void MemcacheResponse::SharedCtor() {
  152|      1|    _cached_size_ = 0;
  153|      1|}

_ZN4brpc21NonreflectableMessageINS_10SerializerEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_12DeserializerEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_12RedisRequestEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_13RedisResponseEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_17SerializedRequestEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_18SerializedResponseEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_13NsheadMessageEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_19CouchbaseOperations17CouchbaseResponseEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_19CouchbaseOperations16CouchbaseRequestEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_10EspMessageEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_15MemcacheRequestEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;
_ZN4brpc21NonreflectableMessageINS_16MemcacheResponseEEC2Ev:
   43|      1|    inline NonreflectableMessage() = default;

_ZN4brpc13NsheadMessageC2Ev:
   26|      1|    : NonreflectableMessage<NsheadMessage>() {
   27|      1|    SharedCtor();
   28|      1|}
_ZN4brpc13NsheadMessage10SharedCtorEv:
   36|      1|void NsheadMessage::SharedCtor() {
   37|      1|    memset(&head, 0, sizeof(head));
   38|      1|}

_ZN4brpc6policy13CommonStringsC2Ev:
  120|      1|    : ACCEPT("accept")
  121|      1|    , DEFAULT_ACCEPT("*/*")
  122|      1|    , USER_AGENT("user-agent")
  123|      1|    , DEFAULT_USER_AGENT("brpc/1.0 curl/7.0")
  124|      1|    , CONTENT_TYPE("content-type")
  125|      1|    , CONTENT_TYPE_TEXT("text/plain")
  126|      1|    , CONTENT_TYPE_JSON("application/json")
  127|      1|    , CONTENT_TYPE_PROTO("application/proto")
  128|      1|    , CONTENT_TYPE_SPRING_PROTO("application/x-protobuf")
  129|      1|    , ERROR_CODE("x-bd-error-code")
  130|      1|    , AUTHORIZATION("authorization")
  131|      1|    , ACCEPT_ENCODING("accept-encoding")
  132|      1|    , CONTENT_ENCODING("content-encoding")
  133|      1|    , CONTENT_LENGTH("content_length")
  134|      1|    , EXPECT("expect")
  135|      1|    , CONTINUE_100("100-continue")
  136|      1|    , GZIP("gzip")
  137|      1|    , CONNECTION("connection")
  138|      1|    , KEEP_ALIVE("keep-alive")
  139|      1|    , CLOSE("close")
  140|      1|    , LOG_ID("log-id")
  141|      1|    , DEFAULT_METHOD("default_method")
  142|      1|    , NO_METHOD("no_method")
  143|      1|    , H2_SCHEME(":scheme")
  144|      1|    , H2_SCHEME_HTTP("http")
  145|      1|    , H2_SCHEME_HTTPS("https")
  146|      1|    , H2_AUTHORITY(":authority")
  147|      1|    , H2_PATH(":path")
  148|      1|    , H2_STATUS(":status")
  149|      1|    , STATUS_200("200")
  150|      1|    , H2_METHOD(":method")
  151|      1|    , METHOD_GET("GET")
  152|      1|    , METHOD_POST("POST")
  153|      1|    , TE("te")
  154|      1|    , TRAILERS("trailers")
  155|      1|    , GRPC_ENCODING("grpc-encoding")
  156|      1|    , GRPC_ACCEPT_ENCODING("grpc-accept-encoding")
  157|      1|    , GRPC_ACCEPT_ENCODING_VALUE("identity,gzip")
  158|      1|    , GRPC_STATUS("grpc-status")
  159|      1|    , GRPC_MESSAGE("grpc-message")
  160|      1|    , GRPC_TIMEOUT("grpc-timeout")
  161|      1|    , DEFAULT_PATH("/")
  162|      1|{}
_ZN4brpc6policy17InitCommonStringsEv:
  170|      1|int InitCommonStrings() {
  171|      1|    return pthread_once(&g_common_strings_once, CreateCommonStrings);
  172|      1|}
http_rpc_protocol.cpp:_ZN4brpc6policyL19CreateCommonStringsEv:
  166|      1|static void CreateCommonStrings() {
  167|      1|    common = new CommonStrings;
  168|      1|}

_ZN4brpc12RedisRequestC2Ev:
   33|      1|    : NonreflectableMessage<RedisRequest>() {
   34|      1|    SharedCtor();
   35|      1|}
_ZN4brpc12RedisRequest10SharedCtorEv:
   43|      1|void RedisRequest::SharedCtor() {
   44|      1|    _ncommand = 0;
   45|      1|    _has_error = false;
   46|      1|    _cached_size_ = 0;
   47|      1|}
_ZN4brpc13RedisResponseC2Ev:
  198|      1|    : NonreflectableMessage<RedisResponse>()
  199|      1|    , _first_reply(&_arena) {
  200|      1|    SharedCtor();
  201|      1|}
_ZN4brpc13RedisResponse10SharedCtorEv:
  209|      1|void RedisResponse::SharedCtor() {
  210|       |    _other_replies = NULL;
  211|      1|    _cached_size_ = 0;
  212|      1|    _nreply = 0;
  213|      1|}

_ZN4brpc10RedisReply5ResetEv:
  174|      1|inline void RedisReply::Reset() {
  175|      1|    _type = REDIS_REPLY_NIL;
  176|      1|    _length = 0;
  177|      1|    _data.array.last_index = -1;
  178|      1|    _data.array.replies = NULL;
  179|       |    // _arena should not be reset because further memory allocation needs it.
  180|      1|}
_ZN4brpc10RedisReplyC2EPN5butil5ArenaE:
  183|      1|    : _arena(arena) {
  184|      1|    Reset();
  185|      1|}

_ZN4brpc17SerializedRequestC2Ev:
   26|      1|    : NonreflectableMessage<SerializedRequest>() {
   27|      1|    SharedCtor();
   28|      1|}
_ZN4brpc17SerializedRequest10SharedCtorEv:
   36|      1|void SerializedRequest::SharedCtor() {
   37|      1|}

_ZN4brpc18SerializedResponseC2Ev:
   26|      1|    : NonreflectableMessage<SerializedResponse>() {
   27|      1|    SharedCtor();
   28|      1|}
_ZN4brpc18SerializedResponse10SharedCtorEv:
   36|      1|void SerializedResponse::SharedCtor() {
   37|      1|}

_ZN7bthread11TaskOptionsC2Ebb:
  441|     18|    : high_priority(high_priority)
  442|     18|    , in_place_if_possible(in_place_if_possible)
  443|     18|{}

_ZN7bthread11EpollThreadC2Ev:
  119|      1|        : _epfd(-1)
  120|      1|        , _stop(false)
  121|      1|        , _tid(0) {
  122|      1|    }
_ZN7bthread9LazyArrayIPN5butil6atomicIiEELm262144ELm256EEC2Ev:
   56|      1|    LazyArray() {
   57|      1|        memset(static_cast<void*>(_blocks), 0, sizeof(butil::atomic<Block*>) * NBLOCK);
   58|      1|    }

key.cpp:_ZN7bthreadL13get_key_countEPv:
  417|      1|static int get_key_count(void*) {
  418|      1|    BAIDU_SCOPED_LOCK(bthread::s_key_mutex);
  ------------------
  |  |   47|      1|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      1|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      1|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      1|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  419|      1|    return (int)nkey - (int)nfreekey;
  420|      1|}
key.cpp:_ZN7bthreadL18get_keytable_countEPv:
  421|      1|static size_t get_keytable_count(void*) {
  422|      1|    return nkeytable.load(butil::memory_order_relaxed);
  423|      1|}
key.cpp:_ZN7bthreadL19get_keytable_memoryEPv:
  424|      1|static size_t get_keytable_memory(void*) {
  425|      1|    const size_t n = nkeytable.load(butil::memory_order_relaxed);
  426|      1|    const size_t nsub = nsubkeytable.load(butil::memory_order_relaxed);
  427|      1|    return n * sizeof(KeyTable) + nsub * sizeof(SubKeyTable);
  428|      1|}

_ZN7bthread28first_sys_pthread_mutex_lockEP15pthread_mutex_t:
  496|      1|int first_sys_pthread_mutex_lock(pthread_mutex_t* mutex) {
  497|      1|    pthread_once(&init_sys_mutex_lock_once, init_sys_mutex_lock);
  498|      1|    return sys_pthread_mutex_lock(mutex);
  499|      1|}
pthread_mutex_init:
 1299|     97|                       const pthread_mutexattr_t* __restrict mutexattr) {
 1300|     97|    INIT_MUTEX_OWNER_MAP_ENTRY(mutex, mutexattr);
  ------------------
  |  |  787|     97|#define INIT_MUTEX_OWNER_MAP_ENTRY(mutex, mutexattr) ((void)0)
  ------------------
 1301|     97|    return bthread::sys_pthread_mutex_init(mutex, mutexattr);
 1302|     97|}
pthread_mutex_lock:
 1309|     64|int pthread_mutex_lock(pthread_mutex_t* mutex) {
 1310|     64|    return bthread::pthread_mutex_lock_impl(mutex);
 1311|     64|}
pthread_mutex_unlock:
 1324|     64|int pthread_mutex_unlock(pthread_mutex_t* mutex) {
 1325|     64|    return bthread::pthread_mutex_unlock_impl(mutex);
 1326|     64|}
mutex.cpp:_ZN7bthreadL19init_sys_mutex_lockEv:
  439|      1|static void init_sys_mutex_lock() {
  440|       |// When bRPC library is linked as a shared library, need to make sure bRPC
  441|       |// shared library is loaded before the pthread shared library. Otherwise,
  442|       |// it may cause runtime error: undefined symbol: pthread_mutex_xxx.
  443|       |// Alternatively, static linking can also avoid this problem.
  444|      1|#if defined(OS_LINUX)
  445|       |    // TODO: may need dlvsym when GLIBC has multiple versions of a same symbol.
  446|       |    // http://blog.fesnel.com/blog/2009/08/25/preloading-with-multiple-symbol-versions
  447|      1|    if (_dl_sym) {
  ------------------
  |  Branch (447:9): [True: 0, False: 1]
  ------------------
  448|      0|        sys_pthread_mutex_init = (MutexInitOp)_dl_sym(
  449|      0|            RTLD_NEXT, "pthread_mutex_init", (void*)init_sys_mutex_lock);
  450|      0|        sys_pthread_mutex_destroy = (MutexOp)_dl_sym(
  451|      0|            RTLD_NEXT, "pthread_mutex_destroy", (void*)init_sys_mutex_lock);
  452|      0|        sys_pthread_mutex_lock = (MutexOp)_dl_sym(
  453|      0|            RTLD_NEXT, "pthread_mutex_lock", (void*)init_sys_mutex_lock);
  454|      0|        sys_pthread_mutex_unlock = (MutexOp)_dl_sym(
  455|      0|            RTLD_NEXT, "pthread_mutex_unlock", (void*)init_sys_mutex_lock);
  456|      0|        sys_pthread_mutex_trylock = (MutexOp)_dl_sym(
  457|      0|            RTLD_NEXT, "pthread_mutex_trylock", (void*)init_sys_mutex_lock);
  458|      0|#if HAS_PTHREAD_MUTEX_TIMEDLOCK
  459|      0|        sys_pthread_mutex_timedlock = (TimedMutexOp)_dl_sym(
  460|      0|            RTLD_NEXT, "pthread_mutex_timedlock", (void*)init_sys_mutex_lock);
  461|      0|#endif // HAS_PTHREAD_MUTEX_TIMEDLOCK
  462|      1|    } else {
  463|       |        // _dl_sym may be undefined reference in some system, fallback to dlsym
  464|      1|        sys_pthread_mutex_init = (MutexInitOp)dlsym(RTLD_NEXT, "pthread_mutex_init");
  465|      1|        sys_pthread_mutex_destroy = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_destroy");
  466|      1|        sys_pthread_mutex_lock = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_lock");
  467|      1|        sys_pthread_mutex_unlock = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_unlock");
  468|      1|        sys_pthread_mutex_trylock = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_trylock");
  469|      1|#if HAS_PTHREAD_MUTEX_TIMEDLOCK
  470|      1|        sys_pthread_mutex_timedlock = (TimedMutexOp)dlsym(RTLD_NEXT, "pthread_mutex_timedlock");
  471|      1|#endif // HAS_PTHREAD_MUTEX_TIMEDLOCK
  472|      1|    }
  473|       |#elif defined(OS_MACOSX)
  474|       |    // TODO: look workaround for dlsym on mac
  475|       |    sys_pthread_mutex_init = (MutexInitOp)dlsym(RTLD_NEXT, "pthread_mutex_init");
  476|       |    sys_pthread_mutex_destroy = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_destroy");
  477|       |    sys_pthread_mutex_lock = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_lock");
  478|       |    sys_pthread_mutex_trylock = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_trylock");
  479|       |    sys_pthread_mutex_unlock = (MutexOp)dlsym(RTLD_NEXT, "pthread_mutex_unlock");
  480|       |#endif
  481|      1|}
_ZN7bthread23pthread_mutex_lock_implEP15pthread_mutex_t:
  973|     64|BUTIL_FORCE_INLINE int pthread_mutex_lock_impl(pthread_mutex_t* mutex) {
  974|       |    return internal::pthread_mutex_lock_impl(mutex, NULL);
  975|     64|}
_ZN7bthread8internal23pthread_mutex_lock_implI15pthread_mutex_tEEiPT_PK8timespec:
  870|     64|BUTIL_FORCE_INLINE int pthread_mutex_lock_impl(Mutex* mutex, const struct timespec* abstime) {
  871|       |    // Don't change behavior of lock when profiler is off.
  872|     64|    if (!g_cp ||
  ------------------
  |  Branch (872:9): [True: 64, False: 0]
  ------------------
  873|       |        // collecting code including backtrace() and submit() may call
  874|       |        // pthread_mutex_lock and cause deadlock. Don't sample.
  875|     64|        tls_inside_lock) {
  ------------------
  |  Branch (875:9): [True: 0, False: 0]
  ------------------
  876|     64|        return pthread_mutex_lock_internal(mutex, abstime);
  877|     64|    }
  878|       |    // Don't slow down non-contended locks.
  879|      0|    int rc = pthread_mutex_trylock_internal(mutex);
  880|      0|    if (rc != EBUSY) {
  ------------------
  |  Branch (880:9): [True: 0, False: 0]
  ------------------
  881|      0|        return rc;
  882|      0|    }
  883|       |    // Ask bvar::Collector if this (contended) locking should be sampled
  884|      0|    const size_t sampling_range = bvar::is_collectable(&g_cp_sl);
  885|       |
  886|      0|    bthread_contention_site_t* csite = NULL;
  887|      0|#ifndef DONT_SPEEDUP_PTHREAD_CONTENTION_PROFILER_WITH_TLS
  888|      0|    TLSPthreadContentionSites& fast_alt = tls_csites;
  889|      0|    if (fast_alt.cp_version != g_cp_version) {
  ------------------
  |  Branch (889:9): [True: 0, False: 0]
  ------------------
  890|      0|        fast_alt.cp_version = g_cp_version;
  891|      0|        fast_alt.count = 0;
  892|      0|    }
  893|      0|    if (fast_alt.count < TLS_MAX_COUNT) {
  ------------------
  |  Branch (893:9): [True: 0, False: 0]
  ------------------
  894|      0|        MutexAndContentionSite& entry = fast_alt.list[fast_alt.count++];
  895|      0|        entry.mutex = mutex;
  896|      0|        csite = &entry.csite;
  897|      0|        if (!bvar::is_sampling_range_valid(sampling_range)) {
  ------------------
  |  Branch (897:13): [True: 0, False: 0]
  ------------------
  898|      0|            make_contention_site_invalid(&entry.csite);
  899|      0|            return pthread_mutex_lock_internal(mutex, abstime);
  900|      0|        }
  901|      0|    }
  902|      0|#endif
  903|      0|    if (!bvar::is_sampling_range_valid(sampling_range)) {  // don't sample
  ------------------
  |  Branch (903:9): [True: 0, False: 0]
  ------------------
  904|      0|        return pthread_mutex_lock_internal(mutex, abstime);
  905|      0|    }
  906|       |    // Lock and monitor the waiting time.
  907|      0|    const int64_t start_ns = butil::cpuwide_time_ns();
  908|      0|    rc = pthread_mutex_lock_internal(mutex, abstime);
  909|      0|    if (!rc) { // Inside lock
  ------------------
  |  Branch (909:9): [True: 0, False: 0]
  ------------------
  910|      0|        if (!csite) {
  ------------------
  |  Branch (910:13): [True: 0, False: 0]
  ------------------
  911|      0|            csite = add_pthread_contention_site(mutex);
  912|      0|            if (csite == NULL) {
  ------------------
  |  Branch (912:17): [True: 0, False: 0]
  ------------------
  913|      0|                return rc;
  914|      0|            }
  915|      0|        }
  916|      0|        csite->duration_ns = butil::cpuwide_time_ns() - start_ns;
  917|      0|        csite->sampling_range = sampling_range;
  918|      0|    } // else rare
  919|      0|    return rc;
  920|      0|}
_ZN7bthread8internal27pthread_mutex_lock_internalEP15pthread_mutex_tPK8timespec:
  798|     64|                                                   const struct timespec* abstime) {
  799|     64|    int rc = 0;
  800|     64|    if (NULL == abstime) {
  ------------------
  |  Branch (800:9): [True: 64, False: 0]
  ------------------
  801|     64|        FIND_SYS_PTHREAD_MUTEX_OWNER_MAP_ENTRY(mutex);
  ------------------
  |  |  789|     64|#define FIND_SYS_PTHREAD_MUTEX_OWNER_MAP_ENTRY(mutex) ((void)0)
  ------------------
  802|     64|        SYS_PTHREAD_MUTEX_CHECK_OWNER;
  ------------------
  |  |  790|     64|#define SYS_PTHREAD_MUTEX_CHECK_OWNER ((void)0)
  ------------------
  803|     64|        rc = sys_pthread_mutex_lock(mutex);
  804|     64|        if (0 == rc) {
  ------------------
  |  Branch (804:13): [True: 64, False: 0]
  ------------------
  805|     64|            SYS_PTHREAD_MUTEX_SET_OWNER;
  ------------------
  |  |  791|     64|#define SYS_PTHREAD_MUTEX_SET_OWNER ((void)0)
  ------------------
  806|     64|        }
  807|     64|    } else {
  808|      0|        rc = sys_pthread_mutex_timedlock(mutex, abstime);
  809|      0|        if (0 == rc) {
  ------------------
  |  Branch (809:13): [True: 0, False: 0]
  ------------------
  810|      0|            FIND_SYS_PTHREAD_MUTEX_OWNER_MAP_ENTRY(mutex);
  ------------------
  |  |  789|      0|#define FIND_SYS_PTHREAD_MUTEX_OWNER_MAP_ENTRY(mutex) ((void)0)
  ------------------
  811|      0|            SYS_PTHREAD_MUTEX_SET_OWNER;
  ------------------
  |  |  791|      0|#define SYS_PTHREAD_MUTEX_SET_OWNER ((void)0)
  ------------------
  812|      0|        }
  813|      0|    }
  814|     64|    if (0 == rc) {
  ------------------
  |  Branch (814:9): [True: 64, False: 0]
  ------------------
  815|     64|        ADD_TLS_PTHREAD_LOCK_COUNT;
  ------------------
  |  |  554|     64|#define ADD_TLS_PTHREAD_LOCK_COUNT ((void)0)
  ------------------
  816|     64|    }
  817|     64|    return rc;
  818|     64|}
_ZN7bthread25pthread_mutex_unlock_implEP15pthread_mutex_t:
  988|     64|BUTIL_FORCE_INLINE int pthread_mutex_unlock_impl(pthread_mutex_t* mutex) {
  989|     64|    return internal::pthread_mutex_unlock_impl(mutex);
  990|     64|}
_ZN7bthread8internal25pthread_mutex_unlock_implI15pthread_mutex_tEEiPT_:
  928|     64|BUTIL_FORCE_INLINE int pthread_mutex_unlock_impl(Mutex* mutex) {
  929|       |    // Don't change behavior of unlock when profiler is off.
  930|     64|    if (!g_cp || tls_inside_lock) {
  ------------------
  |  Branch (930:9): [True: 64, False: 0]
  |  Branch (930:18): [True: 0, False: 0]
  ------------------
  931|       |        // This branch brings an issue that an entry created by
  932|       |        // add_pthread_contention_site may not be cleared. Thus we add a
  933|       |        // 16-bit rolling version in the entry to find out such entry.
  934|     64|        return pthread_mutex_unlock_internal(mutex);
  935|     64|    }
  936|      0|    int64_t unlock_start_ns = 0;
  937|      0|    bool miss_in_tls = true;
  938|      0|    bthread_contention_site_t saved_csite = {0,0};
  939|      0|#ifndef DONT_SPEEDUP_PTHREAD_CONTENTION_PROFILER_WITH_TLS
  940|      0|    TLSPthreadContentionSites& fast_alt = tls_csites;
  941|      0|    for (int i = fast_alt.count - 1; i >= 0; --i) {
  ------------------
  |  Branch (941:38): [True: 0, False: 0]
  ------------------
  942|      0|        if (fast_alt.list[i].mutex == mutex) {
  ------------------
  |  Branch (942:13): [True: 0, False: 0]
  ------------------
  943|      0|            if (is_contention_site_valid(fast_alt.list[i].csite)) {
  ------------------
  |  Branch (943:17): [True: 0, False: 0]
  ------------------
  944|      0|                saved_csite = fast_alt.list[i].csite;
  945|      0|                unlock_start_ns = butil::cpuwide_time_ns();
  946|      0|            }
  947|      0|            fast_alt.list[i] = fast_alt.list[--fast_alt.count];
  948|      0|            miss_in_tls = false;
  949|      0|            break;
  950|      0|        }
  951|      0|    }
  952|      0|#endif
  953|       |    // Check the map to see if the lock is sampled. Notice that we're still
  954|       |    // inside critical section.
  955|      0|    if (miss_in_tls) {
  ------------------
  |  Branch (955:9): [True: 0, False: 0]
  ------------------
  956|      0|        if (remove_pthread_contention_site(mutex, &saved_csite)) {
  ------------------
  |  Branch (956:13): [True: 0, False: 0]
  ------------------
  957|      0|            unlock_start_ns = butil::cpuwide_time_ns();
  958|      0|        }
  959|      0|    }
  960|      0|    const int rc = pthread_mutex_unlock_internal(mutex);
  961|       |    // [Outside lock]
  962|      0|    if (unlock_start_ns) {
  ------------------
  |  Branch (962:9): [True: 0, False: 0]
  ------------------
  963|      0|        const int64_t unlock_end_ns = butil::cpuwide_time_ns();
  964|      0|        saved_csite.duration_ns += unlock_end_ns - unlock_start_ns;
  965|      0|        submit_contention(saved_csite, unlock_end_ns);
  966|      0|    }
  967|      0|    return rc;
  968|     64|}
_ZN7bthread8internal29pthread_mutex_unlock_internalEP15pthread_mutex_t:
  843|     64|BUTIL_FORCE_INLINE int pthread_mutex_unlock_internal(pthread_mutex_t* mutex) {
  844|     64|    SYS_PTHREAD_MUTEX_RESET_OWNER(mutex);
  ------------------
  |  |  792|     64|#define SYS_PTHREAD_MUTEX_RESET_OWNER(mutex) ((void)0)
  ------------------
  845|     64|    SUB_TLS_PTHREAD_LOCK_COUNT;
  ------------------
  |  |  555|     64|#define SUB_TLS_PTHREAD_LOCK_COUNT ((void)0)
  ------------------
  846|     64|    return sys_pthread_mutex_unlock(mutex);
  847|     64|}

stack.cpp:_ZN7bthreadL15get_stack_countEPv:
   50|      1|static int64_t get_stack_count(void*) {
   51|      1|    return s_stack_count.load(butil::memory_order_relaxed);
   52|      1|}

_ZN5butil12ArenaOptionsC2Ev:
   27|      1|    : initial_block_size(64)
   28|      1|    , max_block_size(8192)
   29|      1|{}
_ZN5butil5ArenaC2ERKNS_12ArenaOptionsE:
   32|      1|    : _cur_block(NULL)
   33|      1|    , _isolated_blocks(NULL)
   34|      1|    , _block_size(options.initial_block_size)
   35|      1|    , _options(options) {
   36|      1|}

_ZN5butil13static_atomicIlE3refEv:
  316|      1|    atomic<T>& ref() {
  317|       |        // Suppress strict-alias warnings.
  318|      1|        atomic<T>* p = reinterpret_cast<atomic<T>*>(&val);
  319|      1|        return *p;
  320|      1|    }
_ZN5butil13static_atomicImE4loadESt12memory_order:
  293|      3|    T load(memory_order o) { return ref().load(o); }
_ZN5butil13static_atomicImE3refEv:
  316|      3|    atomic<T>& ref() {
  317|       |        // Suppress strict-alias warnings.
  318|      3|        atomic<T>* p = reinterpret_cast<atomic<T>*>(&val);
  319|      3|        return *p;
  320|      3|    }
_ZN5butil13static_atomicIlE4loadESt12memory_order:
  293|      1|    T load(memory_order o) { return ref().load(o); }
_ZN5butil6atomicIPN7bthread9LazyArrayIPNS0_IiEELm262144ELm256EE5BlockEEC2Ev:
  234|   262k|    atomic() {}

atomicops_internals_x86_gcc.cc:_ZN12_GLOBAL__N_123AtomicOpsx86InitializerC2Ev:
   88|      1|  AtomicOpsx86Initializer() {
   89|      1|    AtomicOps_Internalx86CPUFeaturesInit();
   90|      1|  }
atomicops_internals_x86_gcc.cc:_ZN12_GLOBAL__N_136AtomicOps_Internalx86CPUFeaturesInitEv:
   48|      1|void AtomicOps_Internalx86CPUFeaturesInit() {
   49|      1|  uint32_t eax;
   50|      1|  uint32_t ebx;
   51|      1|  uint32_t ecx;
   52|      1|  uint32_t edx;
   53|       |
   54|       |  // Get vendor string (issue CPUID with eax = 0)
   55|      1|  cpuid(eax, ebx, ecx, edx, 0);
  ------------------
  |  |   30|      1|  asm("mov %%rbx, %%rdi\n"     \
  |  |   31|      1|      "cpuid\n"                \
  |  |   32|      1|      "xchg %%rdi, %%rbx\n"    \
  |  |   33|      1|      : "=a" (a), "=D" (b), "=c" (c), "=d" (d) : "a" (inp))
  ------------------
   56|      1|  char vendor[13];
   57|      1|  memcpy(vendor, &ebx, 4);
   58|      1|  memcpy(vendor + 4, &edx, 4);
   59|      1|  memcpy(vendor + 8, &ecx, 4);
   60|      1|  vendor[12] = 0;
   61|       |
   62|       |  // get feature flags in ecx/edx, and family/model in eax
   63|      1|  cpuid(eax, ebx, ecx, edx, 1);
  ------------------
  |  |   30|      1|  asm("mov %%rbx, %%rdi\n"     \
  |  |   31|      1|      "cpuid\n"                \
  |  |   32|      1|      "xchg %%rdi, %%rbx\n"    \
  |  |   33|      1|      : "=a" (a), "=D" (b), "=c" (c), "=d" (d) : "a" (inp))
  ------------------
   64|       |
   65|      1|  int family = (eax >> 8) & 0xf;        // family and model fields
   66|      1|  int model = (eax >> 4) & 0xf;
   67|      1|  if (family == 0xf) {                  // use extended family and model fields
  ------------------
  |  Branch (67:7): [True: 0, False: 1]
  ------------------
   68|      0|    family += (eax >> 20) & 0xff;
   69|      0|    model += ((eax >> 16) & 0xf) << 4;
   70|      0|  }
   71|       |
   72|       |  // Opteron Rev E has a bug in which on very rare occasions a locked
   73|       |  // instruction doesn't act as a read-acquire barrier if followed by a
   74|       |  // non-locked read-modify-write instruction.  Rev F has this bug in
   75|       |  // pre-release versions, but not in versions released to customers,
   76|       |  // so we test only for Rev E, which is family 15, model 32..63 inclusive.
   77|      1|  if (strcmp(vendor, "AuthenticAMD") == 0 &&       // AMD
  ------------------
  |  Branch (77:7): [True: 0, False: 1]
  ------------------
   78|      0|      family == 15 &&
  ------------------
  |  Branch (78:7): [True: 0, False: 0]
  ------------------
   79|      0|      32 <= model && model <= 63) {
  ------------------
  |  Branch (79:7): [True: 0, False: 0]
  |  Branch (79:22): [True: 0, False: 0]
  ------------------
   80|      0|    AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug = true;
   81|      1|  } else {
   82|      1|    AtomicOps_Internalx86CPUFeatures.has_amd_lock_mb_bug = false;
   83|      1|  }
   84|      1|}

_ZN5butil6subtle13Release_StoreEPVll:
  181|      1|inline void Release_Store(volatile Atomic64* ptr, Atomic64 value) {
  182|      1|  ATOMICOPS_COMPILER_BARRIER();
  ------------------
  |  |   24|      1|#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
  ------------------
  183|       |
  184|      1|  *ptr = value; // An x86 store acts as a release barrier
  185|       |                // for current AMD/Intel chips as of Jan 2008.
  186|       |                // See also Acquire_Load(), below.
  187|       |
  188|       |  // When new chips come out, check:
  189|       |  //  IA-32 Intel Architecture Software Developer's Manual, Volume 3:
  190|       |  //  System Programming Guide, Chatper 7: Multiple-processor management,
  191|       |  //  Section 7.2, Memory Ordering.
  192|       |  // Last seen at:
  193|       |  //   http://developer.intel.com/design/pentium4/manuals/index_new.htm
  194|       |  //
  195|       |  // x86 stores/loads fail to act as barriers for a few instructions (clflush
  196|       |  // maskmovdqu maskmovq movntdq movnti movntpd movntps movntq) but these are
  197|       |  // not generated by the compiler, and are rare.  Users of these instructions
  198|       |  // need to know about cache behaviour in any case since all of these involve
  199|       |  // either flushing cache lines or non-temporal cache hints.
  200|      1|}
_ZN5butil6subtle12Acquire_LoadEPVKl:
  206|      5|inline Atomic64 Acquire_Load(volatile const Atomic64* ptr) {
  207|      5|  Atomic64 value = *ptr; // An x86 load acts as a acquire barrier,
  208|       |                         // for current AMD/Intel chips as of Jan 2008.
  209|       |                         // See also Release_Store(), above.
  210|      5|  ATOMICOPS_COMPILER_BARRIER();
  ------------------
  |  |   24|      5|#define ATOMICOPS_COMPILER_BARRIER() __asm__ __volatile__("" : : : "memory")
  ------------------
  211|      5|  return value;
  212|      5|}

_ZN5butil8demangleB5cxx11EPKc:
   30|    458|std::string demangle(const char* name) {
   31|       |    // mangled_name
   32|       |    //   A NULL-terminated character string containing the name to
   33|       |    //   be demangled.
   34|       |    // output_buffer:
   35|       |    //   A region of memory, allocated with malloc, of *length bytes,
   36|       |    //   into which the demangled name is stored. If output_buffer is
   37|       |    //   not long enough, it is expanded using realloc. output_buffer
   38|       |    //   may instead be NULL; in that case, the demangled name is placed
   39|       |    //   in a region of memory allocated with malloc.
   40|       |    // length
   41|       |    //   If length is non-NULL, the length of the buffer containing the
   42|       |    //   demangled name is placed in *length.
   43|       |    // status
   44|       |    //   *status is set to one of the following values:
   45|       |    //    0: The demangling operation succeeded.
   46|       |    //   -1: A memory allocation failure occurred.
   47|       |    //   -2: mangled_name is not a valid name under the C++ ABI
   48|       |    //       mangling rules.
   49|       |    //   -3: One of the arguments is invalid.
   50|    458|    int status = 0;
   51|    458|    char* buf = abi::__cxa_demangle(name, NULL, NULL, &status);
   52|    458|    if (status == 0 && buf) {
  ------------------
  |  Branch (52:9): [True: 458, False: 0]
  |  Branch (52:24): [True: 458, False: 0]
  ------------------
   53|    458|        std::string s(buf);
   54|    458|        free(buf);
   55|    458|        return s;
   56|    458|    }
   57|      0|    return std::string(name);
   58|    458|}

_ZNK5butil13DefaultHasherINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEclERKS6_:
  562|     24|    std::size_t operator()(const std::string& s) const {
  563|     24|        std::size_t result = 0;
  564|    428|        for (std::string::const_iterator i = s.begin(); i != s.end(); ++i) {
  ------------------
  |  Branch (564:57): [True: 404, False: 24]
  ------------------
  565|    404|            result = result * 101 + *i;
  566|    404|        }
  567|     24|        return result;        
  568|     24|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE6BucketC2Ev:
  283|    544|        Bucket() : next((Bucket*)-1UL) {}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE26init_buckets_and_thumbnailEPNSE_6BucketEPmm:
  369|     64|                                           size_t nbucket) {
  370|  33.3k|        for (size_t i = 0; i < nbucket; ++i) {
  ------------------
  |  Branch (370:28): [True: 33.2k, False: 64]
  ------------------
  371|  33.2k|            buckets[i].set_invalid();
  372|  33.2k|        }
  373|     64|        buckets[nbucket].next = NULL;
  374|     64|        if (_Sparse) {
  ------------------
  |  Branch (374:13): [Folded, False: 64]
  ------------------
  375|      0|            bit_array_clear(thumbnail, nbucket);
  376|      0|        }
  377|     64|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE6Bucket11set_invalidEv:
  292|  33.2k|        void set_invalid() { next = (Bucket*)-1UL; }
_ZNK5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE5emptyEv:
  274|     32|    bool empty() const { return _size == 0; }
_ZNK5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE18is_default_bucketsEv:
  363|     64|    bool is_default_buckets() const {
  364|     64|        return _buckets == (Bucket*)(&_default_buckets);
  365|     64|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE16init_load_factorEj:
  355|     32|    void init_load_factor(u_int load_factor) {
  356|     32|        if (_is_default_load_factor) {
  ------------------
  |  Branch (356:13): [True: 32, False: 0]
  ------------------
  357|     32|            _is_default_load_factor = false;
  358|     32|            _load_factor = load_factor;
  359|     32|        }
  360|     32|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE14is_too_crowdedEmmj:
  351|     32|    static bool is_too_crowded(size_t size, size_t nbucket, u_int load_factor) {
  352|     32|        return size * 100 >= nbucket * load_factor;
  353|     32|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoC2EPNSE_6BucketEPmm:
  327|     32|            : buckets(b), thumbnail(t), nbucket(n) {}
_ZNK5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE6Bucket8is_validEv:
  291|    600|        bool is_valid() const { return next != (const Bucket*)-1UL; }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE6BucketC2ERKS6_:
  284|     12|        explicit Bucket(const _K& k) : next(NULL) {
  285|     12|            element_space_.Init(k);
  286|     12|        }
_ZN5butil14FlatMapElementINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryEEC2ERKS6_:
  486|     12|    explicit FlatMapElement(const K& k) : _key(k), _value(T()) {}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE6Bucket7elementEv:
  294|     12|        Element& element() { return *element_space_; }
_ZN5butil14FlatMapElementINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryEE10second_refEv:
  496|     12|    T& second_ref() { return _value; }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE13get_allocatorEv:
  344|     32|    allocator_type& get_allocator() { return _pool.get_allocator(); }

_ZN5butil11find_power2Em:
   45|     32|inline uint64_t find_power2(uint64_t b) {
   46|     32|    b -= 1;
   47|     32|    b |= (b >> 1);
   48|     32|    b |= (b >> 2);
   49|     32|    b |= (b >> 4);
   50|     32|    b |= (b >> 8);
   51|     32|    b |= (b >> 16);
   52|     32|    b |= (b >> 32);
   53|     32|    return b + 1;
   54|     32|}
_ZN5butil13flatmap_roundEm:
   61|     32|inline size_t flatmap_round(size_t nbucket) {
   62|       |#ifdef FLAT_MAP_ROUND_BUCKET_BY_USE_NEXT_PRIME    
   63|       |    return find_next_prime(nbucket);
   64|       |#else
   65|       |    // the lowerbound fixes the corner case of nbucket=0 which results in coredump during seeking the map.
   66|     32|    return nbucket <= 8 ? 8 : find_power2(nbucket);
  ------------------
  |  Branch (66:12): [True: 0, False: 32]
  ------------------
   67|     32|#endif
   68|     32|}
_ZN5butil11flatmap_modEmm:
   70|     24|inline size_t flatmap_mod(size_t hash_code, size_t nbucket) {
   71|       |#ifdef FLAT_MAP_ROUND_BUCKET_BY_USE_NEXT_PRIME
   72|       |    return hash_code % nbucket;
   73|       |#else
   74|     24|    return hash_code & (nbucket - 1);
   75|     24|#endif
   76|     24|}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EEC2ERKSA_RKSC_RKSD_:
  221|     32|    : _size(0)
  222|     32|    , _nbucket(DEFAULT_NBUCKET)
  223|     32|    , _buckets((Bucket*)(&_default_buckets))
  224|     32|    , _thumbnail(_S ? _default_thumbnail : NULL)
  ------------------
  |  Branch (224:18): [Folded, False: 32]
  ------------------
  225|     32|    , _load_factor(80)
  226|     32|    , _is_default_load_factor(true)
  227|     32|    , _hashfn(hashfn)
  228|     32|    , _eql(eql)
  229|     32|    , _pool(alloc) {
  230|     32|    init_buckets_and_thumbnail(_buckets, _thumbnail, _nbucket);
  231|     32|}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE4initEmj:
  320|     32|int FlatMap<_K, _T, _H, _E, _S, _A, _M>::init(size_t nbucket, u_int load_factor) {
  321|     32|    if (nbucket <= _nbucket || load_factor < 10 || load_factor > 100 ||
  ------------------
  |  Branch (321:9): [True: 0, False: 32]
  |  Branch (321:32): [True: 0, False: 32]
  |  Branch (321:52): [True: 0, False: 32]
  ------------------
  322|     32|        !_is_default_load_factor || !empty() || !is_default_buckets()) {
  ------------------
  |  Branch (322:9): [True: 0, False: 32]
  |  Branch (322:37): [True: 0, False: 32]
  |  Branch (322:49): [True: 0, False: 32]
  ------------------
  323|      0|        return 0;
  324|      0|    }
  325|       |
  326|     32|    init_load_factor(load_factor);
  327|     32|    return resize(nbucket) ? 0 : -1;
  ------------------
  |  Branch (327:12): [True: 32, False: 0]
  ------------------
  328|     32|}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE6resizeEm:
  755|     32|bool FlatMap<_K, _T, _H, _E, _S, _A, _M>::resize(size_t nbucket) {
  756|     32|    optional<NewBucketsInfo> info = new_buckets_and_thumbnail(_size, nbucket);
  757|     32|    if (!info.has_value()) {
  ------------------
  |  Branch (757:9): [True: 0, False: 32]
  ------------------
  758|      0|        return false;
  759|      0|    }
  760|       |
  761|     32|    for (iterator it = begin(); it != end(); ++it) {
  ------------------
  |  Branch (761:33): [True: 0, False: 32]
  ------------------
  762|      0|        const key_type& key = Element::first_ref_from_value(*it);
  763|      0|        const size_t index = flatmap_mod(_hashfn(key), info->nbucket);
  764|      0|        Bucket& first_node = info->buckets[index];
  765|      0|        if (!first_node.is_valid()) {
  ------------------
  |  Branch (765:13): [True: 0, False: 0]
  ------------------
  766|      0|            if (_S) {
  ------------------
  |  Branch (766:17): [Folded, False: 0]
  ------------------
  767|      0|                bit_array_set(info->thumbnail, index);
  768|      0|            }
  769|      0|            new (&first_node) Bucket(key);
  770|      0|            first_node.element().second_ref() =
  771|      0|                Element::second_movable_ref_from_value(*it);
  772|      0|        } else {
  773|      0|            Bucket* newp = new (_pool.get()) Bucket(key);
  774|      0|            newp->element().second_ref() =
  775|      0|                Element::second_movable_ref_from_value(*it);
  776|      0|            newp->next = first_node.next;
  777|      0|            first_node.next = newp;
  778|      0|        }
  779|      0|    }
  780|     32|    size_t saved_size = _size;
  781|     32|    clear();
  782|     32|    if (!is_default_buckets()) {
  ------------------
  |  Branch (782:9): [True: 0, False: 32]
  ------------------
  783|      0|        get_allocator().Free(_buckets);
  784|      0|        if (_S) {
  ------------------
  |  Branch (784:13): [Folded, False: 0]
  ------------------
  785|      0|            bit_array_free(_thumbnail);
  786|      0|        }
  787|      0|    }
  788|     32|    _nbucket = info->nbucket;
  789|     32|    _buckets = info->buckets;
  790|     32|    _thumbnail = info->thumbnail;
  791|     32|    _size = saved_size;
  792|       |
  793|     32|    return true;
  794|     32|}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE25new_buckets_and_thumbnailEmm:
  716|     32|                                                               size_t new_nbucket) {
  717|     32|    size_t bump = 0;
  718|     32|    do {
  719|       |        // The first iteration uses 'new_nbucket + 0' ensures that when new_nbucket is a power
  720|       |        // of 2 and is already sufficient to accommodate `size`, it does not need to be doubled.
  721|       |        // Subsequent use of 'new_nbucket + 1' avoids an infinite loop.
  722|     32|        new_nbucket = flatmap_round(new_nbucket + bump);
  723|     32|        bump = 1;
  724|     32|    } while (is_too_crowded(size, new_nbucket, _load_factor));
  ------------------
  |  Branch (724:14): [True: 0, False: 32]
  ------------------
  725|     32|    if (_nbucket == new_nbucket) {
  ------------------
  |  Branch (725:9): [True: 0, False: 32]
  ------------------
  726|      0|        return nullopt;
  727|      0|    }
  728|       |    // Note: need an extra bucket to let iterator know where buckets end.
  729|     32|    auto buckets = (Bucket*)get_allocator().Alloc(
  730|     32|        sizeof(Bucket) * (new_nbucket + 1/*note*/));
  731|     32|    auto guard = MakeScopeGuard([buckets, this]() {
  732|     32|        get_allocator().Free(buckets);
  733|     32|    });
  734|     32|    if (NULL == buckets) {
  ------------------
  |  Branch (734:9): [True: 0, False: 32]
  ------------------
  735|      0|        LOG(FATAL) << "Fail to new Buckets";
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  736|      0|        return nullopt;
  737|      0|    }
  738|       |
  739|     32|    uint64_t* thumbnail = NULL;
  740|     32|    if (_S) {
  ------------------
  |  Branch (740:9): [Folded, False: 32]
  ------------------
  741|      0|        thumbnail = bit_array_malloc(new_nbucket);
  742|      0|        if (NULL == thumbnail) {
  ------------------
  |  Branch (742:13): [True: 0, False: 0]
  ------------------
  743|      0|            LOG(FATAL) << "Fail to new thumbnail";
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  744|      0|            return nullopt;
  745|      0|        }
  746|      0|    }
  747|       |
  748|     32|    guard.dismiss();
  749|     32|    init_buckets_and_thumbnail(buckets, thumbnail, new_nbucket);
  750|     32|    return NewBucketsInfo{buckets, thumbnail, new_nbucket};
  751|     32|}
_ZNK5butil15FlatMapIteratorINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EEESt4pairIKS7_S9_EEneERKSJ_:
  106|     32|    { return _node != rhs._node; }
_ZN5butil15FlatMapIteratorINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EEESt4pairIKS7_S9_EE23find_and_set_valid_nodeEv:
  137|     64|    void find_and_set_valid_node() {
  138|    576|        for (; !_entry->is_valid(); ++_entry);
  ------------------
  |  Branch (138:16): [True: 512, False: 64]
  ------------------
  139|     64|        _node = _entry;
  140|     64|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE5clearEv:
  512|     32|void FlatMap<_K, _T, _H, _E, _S, _A, _M>::clear() {
  513|     32|    if (0 == _size) {
  ------------------
  |  Branch (513:9): [True: 32, False: 0]
  ------------------
  514|     32|        return;
  515|     32|    }
  516|      0|    _size = 0;
  517|      0|    if (NULL != _buckets) {
  ------------------
  |  Branch (517:9): [True: 0, False: 0]
  ------------------
  518|      0|        for (size_t i = 0; i < _nbucket; ++i) {
  ------------------
  |  Branch (518:28): [True: 0, False: 0]
  ------------------
  519|      0|            Bucket& first_node = _buckets[i];
  520|      0|            if (first_node.is_valid()) {
  ------------------
  |  Branch (520:17): [True: 0, False: 0]
  ------------------
  521|      0|                first_node.destroy_element();
  522|      0|                Bucket* p = first_node.next;
  523|      0|                while (p) {
  ------------------
  |  Branch (523:24): [True: 0, False: 0]
  ------------------
  524|      0|                    Bucket* next_p = p->next;
  525|      0|                    p->destroy_element();
  526|      0|                    _pool.back(p);
  527|      0|                    p = next_p;
  528|      0|                }
  529|      0|                first_node.set_invalid();
  530|      0|            }
  531|      0|        }
  532|      0|    }
  533|      0|    if (NULL != _thumbnail) {
  ------------------
  |  Branch (533:9): [True: 0, False: 0]
  ------------------
  534|      0|        bit_array_clear(_thumbnail, _nbucket);
  535|      0|    }
  536|      0|}
_ZNK5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE4seekIS6_EEPS8_RKT_:
  548|     12|_T* FlatMap<_K, _T, _H, _E, _S, _A, _M>::seek(const K2& key) const {
  549|     12|    Bucket& first_node = _buckets[flatmap_mod(_hashfn(key), _nbucket)];
  550|     12|    if (!first_node.is_valid()) {
  ------------------
  |  Branch (550:9): [True: 12, False: 0]
  ------------------
  551|     12|        return NULL;
  552|     12|    }
  553|      0|    if (_eql(first_node.element().first_ref(), key)) {
  ------------------
  |  Branch (553:9): [True: 0, False: 0]
  ------------------
  554|      0|        return &first_node.element().second_ref();
  555|      0|    }
  556|      0|    Bucket *p = first_node.next;
  557|      0|    while (p) {
  ------------------
  |  Branch (557:12): [True: 0, False: 0]
  ------------------
  558|      0|        if (_eql(p->element().first_ref(), key)) {
  ------------------
  |  Branch (558:13): [True: 0, False: 0]
  ------------------
  559|      0|            return &p->element().second_ref();
  560|      0|        }
  561|      0|        p = p->next;
  562|      0|    }
  563|      0|    return NULL;
  564|      0|}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EEixILb0EEENSt9enable_ifIXntT_ERS8_E4typeERKS6_:
  592|     12|FlatMap<_K, _T, _H, _E, _S, _A, _M>::operator[](const key_type& key) {
  593|     12|    const size_t index = flatmap_mod(_hashfn(key), _nbucket);
  594|     12|    Bucket& first_node = _buckets[index];
  595|     12|    if (!first_node.is_valid()) {
  ------------------
  |  Branch (595:9): [True: 12, False: 0]
  ------------------
  596|     12|        ++_size;
  597|     12|        if (_S) {
  ------------------
  |  Branch (597:13): [Folded, False: 12]
  ------------------
  598|      0|            bit_array_set(_thumbnail, index);
  599|      0|        }
  600|     12|        new (&first_node) Bucket(key);
  601|     12|        return first_node.element().second_ref();
  602|     12|    }
  603|      0|    Bucket *p = &first_node;
  604|      0|    while (true) {
  ------------------
  |  Branch (604:12): [True: 0, Folded]
  ------------------
  605|      0|        if (_eql(p->element().first_ref(), key)) {
  ------------------
  |  Branch (605:13): [True: 0, False: 0]
  ------------------
  606|      0|            return p->element().second_ref();
  607|      0|        }
  608|      0|        if (NULL == p->next) {
  ------------------
  |  Branch (608:13): [True: 0, False: 0]
  ------------------
  609|      0|            if (is_too_crowded(_size) && resize(_nbucket + 1)) {
  ------------------
  |  Branch (609:17): [True: 0, False: 0]
  |  Branch (609:42): [True: 0, False: 0]
  ------------------
  610|      0|                return operator[](key);
  611|      0|            }
  612|       |            // Fail to resize is OK.
  613|      0|            ++_size;
  614|      0|            Bucket* newp = new (_pool.get()) Bucket(key);
  615|      0|            p->next = newp;
  616|      0|            return newp->element().second_ref();
  617|      0|        }
  618|      0|        p = p->next;
  619|      0|    }
  620|      0|}
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE5beginEv:
  820|     32|FlatMap<_K, _T, _H, _E, _S, _A, _M>::begin() {
  821|     32|    return iterator(this, 0);
  822|     32|}
_ZN5butil15FlatMapIteratorINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EEESt4pairIKS7_S9_EEC2EPKSF_m:
   92|     64|    FlatMapIterator(const Map* map, size_t pos) {
   93|     64|        _entry = map->_buckets + pos;
   94|     64|        find_and_set_valid_node();
   95|     64|    }
_ZN5butil7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS6_EENS_14DefaultEqualToIS6_EELb0ENS_11PtAllocatorELb0EE3endEv:
  827|     32|FlatMap<_K, _T, _H, _E, _S, _A, _M>::end() {
  828|     32|    return iterator(this, _nbucket);
  829|     32|}

_ZN5butil8LinkNodeIN4bvar6detail7SamplerEE18InsertBeforeAsListEPS4_:
  102|      5|  void InsertBeforeAsList(LinkNode<T>* e) {
  103|      5|    LinkNode<T>* prev = this->previous_;
  104|      5|    prev->next_ = e;
  105|      5|    this->previous_ = e->previous_;
  106|      5|    e->previous_->next_ = this;
  107|      5|    e->previous_ = prev;
  108|      5|  }
_ZN5butil10LinkedListIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEEC2Ev:
  167|      1|  LinkedList() {}
_ZN5butil8LinkNodeIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEEC2Ev:
   88|     53|  LinkNode() : previous_(this), next_(this) {}
_ZNK5butil10LinkedListIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEE4headEv:
  179|      1|  LinkNode<T>* head() const {
  180|      1|    return root_.next();
  181|      1|  }
_ZNK5butil10LinkedListIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEE3endEv:
  187|      2|  const LinkNode<T>* end() const {
  188|      2|    return &root_;
  189|      2|  }
_ZN5butil8LinkNodeIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEE5valueEv:
  150|      1|  T* value() {
  151|      1|    return static_cast<T*>(this);
  152|      1|  }
_ZNK5butil8LinkNodeIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEE4nextEv:
  141|      2|  LinkNode<T>* next() const {
  142|      2|    return next_;
  143|      2|  }
_ZN5butil8LinkNodeIN4bvar6detail7SamplerEEC2Ev:
   88|      6|  LinkNode() : previous_(this), next_(this) {}
_ZNK5butil8LinkNodeIN4bvar6detail7SamplerEE4nextEv:
  141|      6|  LinkNode<T>* next() const {
  142|      6|    return next_;
  143|      6|  }
_ZN5butil8LinkNodeIN4bvar6detail7SamplerEE5valueEv:
  150|      5|  T* value() {
  151|      5|    return static_cast<T*>(this);
  152|      5|  }
_ZN5butil10LinkedListIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEE6AppendEPNS_8LinkNodeIS8_EE:
  170|      1|  void Append(LinkNode<T>* e) {
  171|      1|    e->InsertBefore(&root_);
  172|      1|  }
_ZN5butil8LinkNodeIN4bvar6detail13AgentCombinerIPNS2_7SamplerES5_NS2_14CombineSamplerEE5AgentEE12InsertBeforeEPS9_:
   94|      1|  void InsertBefore(LinkNode<T>* e) {
   95|      1|    this->next_ = e;
   96|      1|    this->previous_ = e->previous_;
   97|      1|    e->previous_->next_ = this;
   98|      1|    e->previous_ = this;
   99|      1|  }

_ZN5butil9nullopt_tC2ENS_8internal20optional_forbidden_tE:
   59|    109|    explicit nullopt_t(internal::optional_forbidden_t) noexcept {}
_ZN5butil8optionalINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEEC2EOSG_:
  198|     32|    optional(T&& value) : _engaged(true) {
  199|     32|        _storage.Init(std::move(value));
  200|     32|    }
_ZNK5butil8optionalINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEE9has_valueEv:
  309|     32|    bool has_value() const { return _engaged; }
_ZN5butil8optionalINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEEptEv:
  300|     96|    T* operator->() {
  301|     96|        return _storage.get();
  302|     96|    }
_ZN5butil8optionalINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEED2Ev:
  233|     32|    ~optional() {
  234|     32|        reset();
  235|     32|    }
_ZN5butil8optionalINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEE5resetEv:
  377|     32|    void reset() {
  378|     32|        if (_engaged) {
  ------------------
  |  Branch (378:13): [True: 32, False: 0]
  ------------------
  379|     32|            _storage.Destroy();
  380|     32|            _engaged = false;
  381|     32|        }
  382|     32|    }

_ZN5butil5debug10StackTraceC2Eb:
  766|      1|StackTrace::StackTrace(bool exclude_self) {
  767|       |  // NOTE: This code MUST be async-signal safe (it's used by in-process
  768|       |  // stack dumping signal handler). NO malloc or stdio is allowed here.
  769|       |
  770|      1|  if (GetStackTrace) {
  ------------------
  |  Branch (770:7): [True: 0, False: 1]
  ------------------
  771|      0|    count_ = GetStackTrace(trace_, arraysize(trace_), exclude_self ? 1 : 0);
  ------------------
  |  |  122|      0|#define arraysize(array) (sizeof(::butil::ArraySizeHelper(array)))
  ------------------
  |  Branch (771:55): [True: 0, False: 0]
  ------------------
  772|      1|  } else {
  773|      1|#if !defined(__UCLIBC__)
  774|       |    // Though the backtrace API man page does not list any possible negative
  775|       |    // return values, we take no chance.
  776|      1|    count_ = butil::saturated_cast<size_t>(backtrace(trace_, arraysize(trace_)));
  ------------------
  |  |  122|      1|#define arraysize(array) (sizeof(::butil::ArraySizeHelper(array)))
  ------------------
  777|      1|    if (exclude_self && count_ > 1) {
  ------------------
  |  Branch (777:9): [True: 0, False: 1]
  |  Branch (777:25): [True: 0, False: 0]
  ------------------
  778|       |      // Skip the top frame.
  779|      0|      memmove(trace_, trace_ + 1, (count_ - 1) * sizeof(void*));
  780|      0|      count_--;
  781|      0|    }
  782|       |#else
  783|       |    count_ = 0;
  784|       |#endif
  785|      1|  }
  786|      1|}

_ZN5butil6str2ipEPKcP7in_addr:
  117|      1|int str2ip(const char* ip_str, ip_t* ip) {
  118|       |    // ip_str can be NULL when called by EndPoint(0, ...)
  119|      1|    if (ip_str != NULL) {
  ------------------
  |  Branch (119:9): [True: 1, False: 0]
  ------------------
  120|      1|        for (; isspace(*ip_str); ++ip_str);
  ------------------
  |  Branch (120:16): [True: 0, False: 1]
  ------------------
  121|      1|        int rc = inet_pton(AF_INET, ip_str, ip);
  122|      1|        if (rc > 0) {
  ------------------
  |  Branch (122:13): [True: 1, False: 0]
  ------------------
  123|      1|            return 0;
  124|      1|        }
  125|      1|    }
  126|      0|    return -1;
  127|      1|}

_ZN5butil23DescribeCustomizedErrnoEiPKcS1_:
   40|     25|    int error_code, const char* error_name, const char* description) {
   41|     25|    BAIDU_SCOPED_LOCK(modify_desc_mutex);
  ------------------
  |  |   47|     25|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|     25|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|     25|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|     25|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
   42|     25|    if (error_code < ERRNO_BEGIN || error_code >= ERRNO_END) {
  ------------------
  |  Branch (42:9): [True: 0, False: 25]
  |  Branch (42:37): [True: 0, False: 25]
  ------------------
   43|       |        // error() is a non-portable GNU extension that should not be used.
   44|      0|        fprintf(stderr, "Fail to define %s(%d) which is out of range, abort.",
   45|      0|              error_name, error_code);
   46|      0|        _exit(1);
   47|      0|    }
   48|     25|    const char* desc = errno_desc[error_code - ERRNO_BEGIN];
   49|     25|    if (desc) {
  ------------------
  |  Branch (49:9): [True: 0, False: 25]
  ------------------
   50|      0|        if (strcmp(desc, description) == 0) {
  ------------------
  |  Branch (50:13): [True: 0, False: 0]
  ------------------
   51|      0|            fprintf(stderr, "WARNING: Detected shared library loading\n");
   52|      0|            return -1;
   53|      0|        }
   54|     25|    } else {
   55|       |#if defined(OS_MACOSX)
   56|       |        const int rc = strerror_r(error_code, tls_error_buf, ERROR_BUFSIZE);
   57|       |        if (rc != EINVAL)
   58|       |#else
   59|     25|        desc = strerror_r(error_code, tls_error_buf, ERROR_BUFSIZE);
   60|     25|        if (desc && strncmp(desc, "Unknown error", 13) != 0)
  ------------------
  |  Branch (60:13): [True: 25, False: 0]
  |  Branch (60:21): [True: 0, False: 25]
  ------------------
   61|      0|#endif
   62|      0|        {
   63|      0|            fprintf(stderr, "WARNING: Fail to define %s(%d) which is already defined as `%s'",
   64|      0|                    error_name, error_code, desc);
   65|      0|        }
   66|     25|    }
   67|     25|    errno_desc[error_code - ERRNO_BEGIN] = description;
   68|     25|    return 0;  // must
   69|     25|}

_ZN5butil5IOBufC2Ev:
   77|      9|inline IOBuf::IOBuf() {
   78|      9|    reset_block_ref(_sv.refs[0]);
   79|      9|    reset_block_ref(_sv.refs[1]);
   80|      9|}
_ZN5butil15reset_block_refERNS_5IOBuf8BlockRefE:
   71|     18|inline void reset_block_ref(IOBuf::BlockRef& ref) {
   72|     18|    ref.offset = 0;
   73|     18|    ref.length = 0;
   74|       |    ref.block = NULL;
   75|     18|}

_ZN5butil13AlignedMemoryILm24ELm8EE9void_dataEv:
   71|    160|      void* void_data() { return static_cast<void*>(data_); }     \
_ZN5butil13AlignedMemoryILm48ELm8EE9void_dataEv:
   71|     24|      void* void_data() { return static_cast<void*>(data_); }     \
_ZN5butil13AlignedMemoryILm24ELm8EE7data_asINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS9_EENS_14DefaultEqualToIS9_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEEEPT_v:
   76|    128|      Type* data_as() { return static_cast<Type*>(void_data()); } \
_ZN5butil13AlignedMemoryILm48ELm8EE7data_asINS_14FlatMapElementINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryEEEEEPT_v:
   76|     12|      Type* data_as() { return static_cast<Type*>(void_data()); } \

_ZN5butil17ManualConstructorINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEE4InitIJSG_EEEvDpOT_:
   62|     32|    void Init(Args&&... args) {
   63|     32|        new (_space.void_data()) Type(std::forward<Args>(args)...);
   64|     32|    }
_ZN5butil17ManualConstructorINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEE3getEv:
   47|    128|    Type* get() {
   48|    128|        return _space.template data_as<Type>();
   49|    128|    }
_ZN5butil17ManualConstructorINS_14FlatMapElementINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryEEEE4InitIJRKS7_EEEvDpOT_:
   62|     12|    void Init(Args&&... args) {
   63|     12|        new (_space.void_data()) Type(std::forward<Args>(args)...);
   64|     12|    }
_ZN5butil17ManualConstructorINS_14FlatMapElementINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryEEEEdeEv:
   58|     12|    Type& operator*() { return *get(); }
_ZN5butil17ManualConstructorINS_14FlatMapElementINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryEEEE3getEv:
   47|     12|    Type* get() {
   48|     12|        return _space.template data_as<Type>();
   49|     12|    }
_ZN5butil17ManualConstructorINS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE14NewBucketsInfoEE7DestroyEv:
   66|     32|     void Destroy() { get()->~Type(); }

_ZN5butil14MakeScopeGuardIZNS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE25new_buckets_and_thumbnailEmmEUlvE_EENS_10ScopeGuardIT_St9enable_ifIXsr14is_result_voidISI_EE5valueEvEEEOSI_:
   76|     32|ScopeGuard<Callback> MakeScopeGuard(Callback&& callback) noexcept {
   77|     32|    return ScopeGuard<Callback>{ std::forward<Callback>(callback)};
   78|     32|}
_ZN5butil10ScopeGuardIZNS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE25new_buckets_and_thumbnailEmmEUlvE_St9enable_ifILb1EvEEC2EOSG_:
   64|     32|        :_callback(std::forward<Callback>(callback))
   65|     32|        , _dismiss(false) {}
_ZN5butil10ScopeGuardIZNS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE25new_buckets_and_thumbnailEmmEUlvE_St9enable_ifILb1EvEE7dismissEv:
   50|     32|    void dismiss() noexcept {
   51|     32|        _dismiss = true;
   52|     32|    }
_ZN5butil10ScopeGuardIZNS_7FlatMapINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEN4bvar8VarEntryENS_13DefaultHasherIS7_EENS_14DefaultEqualToIS7_EELb0ENS_11PtAllocatorELb0EE25new_buckets_and_thumbnailEmmEUlvE_St9enable_ifILb1EvEED2Ev:
   44|     32|    ~ScopeGuard() noexcept {
   45|     32|        if(!_dismiss) {
  ------------------
  |  Branch (45:12): [True: 0, False: 32]
  ------------------
   46|      0|            _callback();
   47|      0|        }
   48|     32|    }

_ZN5butil19get_leaky_singletonIN4bvar6detail16SamplerCollectorEEEPT_v:
   60|      5|inline T* get_leaky_singleton() {
   61|      5|    const butil::subtle::AtomicWord value = butil::subtle::Acquire_Load(
   62|      5|        &GetLeakySingleton<T>::g_leaky_singleton_untyped);
   63|      5|    if (value) {
  ------------------
  |  Branch (63:9): [True: 4, False: 1]
  ------------------
   64|      4|        return reinterpret_cast<T*>(value);
   65|      4|    }
   66|      1|    pthread_once(&GetLeakySingleton<T>::g_create_leaky_singleton_once,
   67|      1|                 GetLeakySingleton<T>::create_leaky_singleton);
   68|      1|    return reinterpret_cast<T*>(
   69|      1|        GetLeakySingleton<T>::g_leaky_singleton_untyped);
   70|      5|}
_ZN5butil17GetLeakySingletonIN4bvar6detail16SamplerCollectorEE22create_leaky_singletonEv:
   47|      1|void GetLeakySingleton<T>::create_leaky_singleton() {
   48|      1|    T* obj = create_leaky_singleton_obj<T>();
   49|      1|    butil::subtle::Release_Store(
   50|      1|        &g_leaky_singleton_untyped,
   51|      1|        reinterpret_cast<butil::subtle::AtomicWord>(obj));
   52|      1|}
_ZN5butil26create_leaky_singleton_objIN4bvar6detail16SamplerCollectorEEEPT_v:
   29|      1|T* create_leaky_singleton_obj() {
   30|      1|    return new T();
   31|      1|}

_ZN5butil14saturated_castImiEET_T0_:
   36|      1|inline Dst saturated_cast(Src value) {
   37|       |  // Optimization for floating point values, which already saturate.
   38|      1|  if (std::numeric_limits<Dst>::is_iec559)
  ------------------
  |  Branch (38:7): [Folded, False: 1]
  ------------------
   39|      0|    return static_cast<Dst>(value);
   40|       |
   41|      1|  switch (internal::DstRangeRelationToSrcRange<Dst>(value)) {
  ------------------
  |  Branch (41:11): [True: 1, False: 0]
  ------------------
   42|      1|    case internal::RANGE_VALID:
  ------------------
  |  Branch (42:5): [True: 1, False: 0]
  ------------------
   43|      1|      return static_cast<Dst>(value);
   44|       |
   45|      0|    case internal::RANGE_UNDERFLOW:
  ------------------
  |  Branch (45:5): [True: 0, False: 1]
  ------------------
   46|      0|      return std::numeric_limits<Dst>::min();
   47|       |
   48|      0|    case internal::RANGE_OVERFLOW:
  ------------------
  |  Branch (48:5): [True: 0, False: 1]
  ------------------
   49|      0|      return std::numeric_limits<Dst>::max();
   50|       |
   51|       |    // Should fail only on attempting to assign NaN to a saturated integer.
   52|      0|    case internal::RANGE_INVALID:
  ------------------
  |  Branch (52:5): [True: 0, False: 1]
  ------------------
   53|      0|      CHECK(false);
  ------------------
  |  |  617|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(FATAL).SetCheck(), !(condition))     \
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [Folded, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  |  |  618|      0|    << "Check failed: " #condition ". "
  ------------------
   54|      0|      return std::numeric_limits<Dst>::max();
   55|      1|  }
   56|       |
   57|      0|  NOTREACHED();
  ------------------
  |  | 1224|      1|#define NOTREACHED() DCHECK(false)
  |  |  ------------------
  |  |  |  |  846|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(DCHECK), DCHECK_IS_ON() && !(condition)) \
  |  |  |  |  ------------------
  |  |  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  |  |  ------------------
  |  |  |  |  |  |  |  Branch (472:7): [True: 0, Folded]
  |  |  |  |  |  |  |  Branch (472:7): [True: 0, Folded]
  |  |  |  |  |  |  ------------------
  |  |  |  |  ------------------
  |  |  |  |  847|      0|    << "Check failed: " #condition ". "
  |  |  ------------------
  ------------------
   58|      0|  return static_cast<Dst>(value);
   59|      1|}

_ZN5butil8internal26DstRangeRelationToSrcRangeImiEENS0_15RangeConstraintET0_:
  205|      1|inline RangeConstraint DstRangeRelationToSrcRange(Src value) {
  206|      1|  COMPILE_ASSERT(std::numeric_limits<Src>::is_specialized,
  ------------------
  |  |  241|      1|#define COMPILE_ASSERT(expr, msg)  BAIDU_CASSERT(expr, msg)
  |  |  ------------------
  |  |  |  |  196|      1|#define BAIDU_CASSERT(expr, msg) static_assert(expr, #msg)
  |  |  ------------------
  ------------------
  207|      1|                 argument_must_be_numeric);
  208|      1|  COMPILE_ASSERT(std::numeric_limits<Dst>::is_specialized,
  ------------------
  |  |  241|      1|#define COMPILE_ASSERT(expr, msg)  BAIDU_CASSERT(expr, msg)
  |  |  ------------------
  |  |  |  |  196|      1|#define BAIDU_CASSERT(expr, msg) static_assert(expr, #msg)
  |  |  ------------------
  ------------------
  209|      1|                 result_must_be_numeric);
  210|      1|  return DstRangeRelationToSrcRangeImpl<Dst, Src>::Check(value);
  211|      1|}
_ZN5butil8internal30DstRangeRelationToSrcRangeImplImiLNS0_21IntegerRepresentationE0ELS2_1ELNS0_26NumericRangeRepresentationE0EE5CheckEi:
  195|      1|  static RangeConstraint Check(Src value) {
  196|      1|    return (MaxExponent<Dst>::value >= MaxExponent<Src>::value)
  ------------------
  |  Branch (196:12): [True: 1, Folded]
  ------------------
  197|      1|               ? GetRangeConstraint(true, value >= static_cast<Src>(0))
  198|      1|               : GetRangeConstraint(
  199|      0|                     value <= static_cast<Src>(std::numeric_limits<Dst>::max()),
  200|      0|                     value >= static_cast<Src>(0));
  201|      1|  }
_ZN5butil8internal18GetRangeConstraintEbb:
  107|      1|                                   bool is_in_lower_bound) {
  108|      1|  return GetRangeConstraint((is_in_upper_bound ? 0 : RANGE_OVERFLOW) |
  ------------------
  |  Branch (108:30): [True: 1, False: 0]
  ------------------
  109|      1|                            (is_in_lower_bound ? 0 : RANGE_UNDERFLOW));
  ------------------
  |  Branch (109:30): [True: 1, False: 0]
  ------------------
  110|      1|}
_ZN5butil8internal18GetRangeConstraintEi:
   97|      1|inline RangeConstraint GetRangeConstraint(int integer_range_constraint) {
   98|      1|  DCHECK(integer_range_constraint >= RANGE_VALID &&
  ------------------
  |  |  846|      1|    BAIDU_LAZY_STREAM(LOG_STREAM(DCHECK), DCHECK_IS_ON() && !(condition)) \
  |  |  ------------------
  |  |  |  |  472|      4|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:7): [True: 1, False: 0]
  |  |  |  |  |  Branch (472:7): [True: 1, False: 0]
  |  |  |  |  |  Branch (472:7): [True: 1, Folded]
  |  |  |  |  ------------------
  |  |  ------------------
  |  |  847|      0|    << "Check failed: " #condition ". "
  ------------------
   99|      1|         integer_range_constraint <= RANGE_INVALID);
  100|      1|  return static_cast<RangeConstraint>(integer_range_constraint);
  101|      1|}

_ZN5butil30RegisterFlagValidatorOrDieImplIbEEbPKT_PFbPKcS1_E:
   64|     21|    const T* flag, bool (*validate_fn)(const char*, T val)) {
   65|     21|    static_assert(!butil::is_same<std::string, T>::value,
   66|     21|                  "Not support string flags");
   67|     21|    if (::GFLAGS_NAMESPACE::RegisterFlagValidator(flag, validate_fn)) {
  ------------------
  |  Branch (67:9): [True: 21, False: 0]
  ------------------
   68|     21|        return true;
   69|     21|    }
   70|       |    // Error printed by gflags does not have newline. Add one to it.
   71|      0|    char newline = '\n';
   72|      0|    butil::ignore_result(write(2, &newline, 1));
   73|      0|    _exit(1);
   74|     21|}
_ZN5butil30RegisterFlagValidatorOrDieImplIiEEbPKT_PFbPKcS1_E:
   64|     32|    const T* flag, bool (*validate_fn)(const char*, T val)) {
   65|     32|    static_assert(!butil::is_same<std::string, T>::value,
   66|     32|                  "Not support string flags");
   67|     32|    if (::GFLAGS_NAMESPACE::RegisterFlagValidator(flag, validate_fn)) {
  ------------------
  |  Branch (67:9): [True: 32, False: 0]
  ------------------
   68|     32|        return true;
   69|     32|    }
   70|       |    // Error printed by gflags does not have newline. Add one to it.
   71|      0|    char newline = '\n';
   72|      0|    butil::ignore_result(write(2, &newline, 1));
   73|      0|    _exit(1);
   74|     32|}
_ZN5butil30RegisterFlagValidatorOrDieImplIjEEbPKT_PFbPKcS1_E:
   64|      1|    const T* flag, bool (*validate_fn)(const char*, T val)) {
   65|      1|    static_assert(!butil::is_same<std::string, T>::value,
   66|      1|                  "Not support string flags");
   67|      1|    if (::GFLAGS_NAMESPACE::RegisterFlagValidator(flag, validate_fn)) {
  ------------------
  |  Branch (67:9): [True: 1, False: 0]
  ------------------
   68|      1|        return true;
   69|      1|    }
   70|       |    // Error printed by gflags does not have newline. Add one to it.
   71|      0|    char newline = '\n';
   72|      0|    butil::ignore_result(write(2, &newline, 1));
   73|      0|    _exit(1);
   74|      1|}
_ZN5butil30RegisterFlagValidatorOrDieImplIlEEbPKT_PFbPKcS1_E:
   64|      1|    const T* flag, bool (*validate_fn)(const char*, T val)) {
   65|      1|    static_assert(!butil::is_same<std::string, T>::value,
   66|      1|                  "Not support string flags");
   67|      1|    if (::GFLAGS_NAMESPACE::RegisterFlagValidator(flag, validate_fn)) {
  ------------------
  |  Branch (67:9): [True: 1, False: 0]
  ------------------
   68|      1|        return true;
   69|      1|    }
   70|       |    // Error printed by gflags does not have newline. Add one to it.
   71|      0|    char newline = '\n';
   72|      0|    butil::ignore_result(write(2, &newline, 1));
   73|      0|    _exit(1);
   74|      1|}
_ZN5butil30RegisterFlagValidatorOrDieImplImEEbPKT_PFbPKcS1_E:
   64|      1|    const T* flag, bool (*validate_fn)(const char*, T val)) {
   65|      1|    static_assert(!butil::is_same<std::string, T>::value,
   66|      1|                  "Not support string flags");
   67|      1|    if (::GFLAGS_NAMESPACE::RegisterFlagValidator(flag, validate_fn)) {
  ------------------
  |  Branch (67:9): [True: 1, False: 0]
  ------------------
   68|      1|        return true;
   69|      1|    }
   70|       |    // Error printed by gflags does not have newline. Add one to it.
   71|      0|    char newline = '\n';
   72|      0|    butil::ignore_result(write(2, &newline, 1));
   73|      0|    _exit(1);
   74|      1|}

_ZNSt10lock_guardI15pthread_mutex_tEC2ERS0_:
  155|     44|    explicit lock_guard(pthread_mutex_t & mutex) : _pmutex(&mutex) {
  156|     44|#if !defined(NDEBUG)
  157|     44|        const int rc = pthread_mutex_lock(_pmutex);
  158|     44|        if (rc) {
  ------------------
  |  Branch (158:13): [True: 0, False: 44]
  ------------------
  159|      0|            LOG(FATAL) << "Fail to lock pthread_mutex_t=" << _pmutex << ", " << berror(rc);
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  160|      0|            _pmutex = NULL;
  161|      0|        }
  162|       |#else
  163|       |        pthread_mutex_lock(_pmutex);
  164|       |#endif  // NDEBUG
  165|     44|    }
_ZNSt10lock_guardI15pthread_mutex_tED2Ev:
  167|     44|    ~lock_guard() {
  168|     44|#ifndef NDEBUG
  169|     44|        if (_pmutex) {
  ------------------
  |  Branch (169:13): [True: 44, False: 0]
  ------------------
  170|     44|            pthread_mutex_unlock(_pmutex);
  171|     44|        }
  172|       |#else
  173|       |        pthread_mutex_unlock(_pmutex);
  174|       |#endif
  175|     44|    }

_ZN5butil11PtAllocator5AllocEm:
   35|     32|    void* Alloc(size_t n) { return malloc(n); }
_ZN5butil18SingleThreadedPoolILm56ELm1024ELm16ENS_11PtAllocatorEEC2ERKS1_:
   65|     32|        : _free_nodes(NULL), _blocks(NULL), _allocator(alloc) {}
_ZN5butil18SingleThreadedPoolILm56ELm1024ELm16ENS_11PtAllocatorEE13get_allocatorEv:
  136|     32|    Allocator& get_allocator() { return _allocator; }

_ZN5butil9back_charERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE:
  468|     19|inline char back_char(const std::string& s) { return s[s.size() - 1]; }
_ZNK5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4dataEv:
  208|    226|  const value_type* data() const { return ptr_; }
_ZNK5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE4sizeEv:
  209|    250|  size_type size() const { return length_; }
_ZNK5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEE5emptyEv:
  211|     24|  bool empty() const { return length_ == 0; }
_ZN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2EPKc:
  186|     12|      : ptr_(str),
  187|     12|        length_((str == NULL) ? 0 : STRING_TYPE::traits_type::length(str)) {}
  ------------------
  |  Branch (187:17): [True: 0, False: 12]
  ------------------
_ZN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2Ev:
  184|     12|  BasicStringPiece() : ptr_(NULL), length_(0) {}

_ZN5butil5MutexC2Ev:
   50|     59|    Mutex() {
   51|       |#if defined(OS_WIN)
   52|       |    // The second parameter is the spin count, for short-held locks it avoid the
   53|       |    // contending thread from going to sleep which helps performance greatly.
   54|       |        ::InitializeCriticalSectionAndSpinCount(&_native_handle, 2000);
   55|       |#elif defined(OS_POSIX)
   56|       |        pthread_mutex_init(&_native_handle, NULL);
   57|     59|#endif
   58|     59|    }
_ZN5butil5Mutex4lockEv:
   70|     14|    void lock() {
   71|       |#if defined(OS_WIN)
   72|       |        ::EnterCriticalSection(&_native_handle);
   73|       |#elif defined(OS_POSIX)
   74|       |        pthread_mutex_lock(&_native_handle);
   75|     14|#endif
   76|     14|    }
_ZN5butil5Mutex6unlockEv:
   80|     14|    void unlock() {
   81|       |#if defined(OS_WIN)
   82|       |        ::LeaveCriticalSection(&_native_handle);
   83|       |#elif defined(OS_POSIX)
   84|       |        pthread_mutex_unlock(&_native_handle);
   85|     14|#endif
   86|     14|    }
_ZN5butil4LockC2Ev:
  126|     53|    Lock() {}
_ZN5butil4Lock7AcquireEv:
  128|      9|    void Acquire() { lock(); }
_ZN5butil4Lock7ReleaseEv:
  129|      9|    void Release() { unlock(); }
_ZNK5butil4Lock14AssertAcquiredEv:
  131|      9|    void AssertAcquired() const {}
_ZN5butil8AutoLockC2ERNS_4LockE:
  139|      9|    explicit AutoLock(Lock& lock) : lock_(lock) {
  140|      9|        lock_.Acquire();
  141|      9|    }
_ZN5butil8AutoLockD2Ev:
  147|      9|    ~AutoLock() {
  148|      9|        lock_.AssertAcquired();
  149|      9|        lock_.Release();
  150|      9|    }

_ZN5butil6detail29get_or_new_thread_exit_helperEv:
   99|      1|detail::ThreadExitHelper* get_or_new_thread_exit_helper() {
  100|      1|    pthread_once(&detail::thread_atexit_once, detail::make_thread_atexit_key);
  101|       |
  102|      1|    detail::ThreadExitHelper* h =
  103|      1|        (detail::ThreadExitHelper*)pthread_getspecific(detail::thread_atexit_key);
  104|      1|    if (NULL == h) {
  ------------------
  |  Branch (104:9): [True: 1, False: 0]
  ------------------
  105|      1|        h = new (std::nothrow) detail::ThreadExitHelper;
  106|      1|        if (NULL != h) {
  ------------------
  |  Branch (106:13): [True: 1, False: 0]
  ------------------
  107|      1|            pthread_setspecific(detail::thread_atexit_key, h);
  108|      1|        }
  109|      1|    }
  110|      1|    return h;
  111|      1|}
_ZN5butil13thread_atexitEPFvPvES0_:
  124|      1|int thread_atexit(void (*fn)(void*), void* arg) {
  125|      1|    if (NULL == fn) {
  ------------------
  |  Branch (125:9): [True: 0, False: 1]
  ------------------
  126|      0|        errno = EINVAL;
  127|      0|        return -1;
  128|      0|    }
  129|      1|    detail::ThreadExitHelper* h = detail::get_or_new_thread_exit_helper();
  130|      1|    if (h) {
  ------------------
  |  Branch (130:9): [True: 1, False: 0]
  ------------------
  131|      1|        return h->add(fn, arg);
  132|      1|    }
  133|      1|    errno = ENOMEM;
  134|      0|    return -1;
  135|      1|}
_ZN5butil13thread_atexitEPFvvE:
  137|      1|int thread_atexit(void (*fn)()) {
  138|      1|    if (NULL == fn) {
  ------------------
  |  Branch (138:9): [True: 0, False: 1]
  ------------------
  139|      0|        errno = EINVAL;
  140|      0|        return -1;
  141|      0|    }
  142|      1|    return thread_atexit(detail::call_single_arg_fn, (void*)fn);
  143|      1|}
thread_local.cpp:_ZN5butil6detailL22make_thread_atexit_keyEv:
   89|      1|static void make_thread_atexit_key() {
   90|      1|    if (pthread_key_create(&thread_atexit_key, delete_thread_exit_helper) != 0) {
  ------------------
  |  Branch (90:9): [True: 0, False: 1]
  ------------------
   91|      0|        fprintf(stderr, "Fail to create thread_atexit_key, abort\n");
   92|      0|        abort();
   93|      0|    }
   94|       |    // If caller is not pthread, delete_thread_exit_helper will not be called.
   95|       |    // We have to rely on atexit().
   96|      1|    atexit(helper_exit_global);
   97|      1|}
_ZN5butil6detail16ThreadExitHelper3addEPFvPvES2_:
   45|      1|    int add(Fn fn, void* arg) {
   46|      1|        try {
   47|      1|            if (_fns.capacity() < 16) {
  ------------------
  |  Branch (47:17): [True: 1, False: 0]
  ------------------
   48|      1|                _fns.reserve(16);
   49|      1|            }
   50|      1|            _fns.emplace_back(fn, arg);
   51|      1|        } catch (...) {
   52|      0|            errno = ENOMEM;
   53|      0|            return -1;
   54|      0|        }
   55|      1|        return 0;
   56|      1|    }

_ZN5butil14PlatformThread13SetNameSimpleEPKc:
   60|      1|void PlatformThread::SetNameSimple(const char* name) {
   61|      1|#if !defined(OS_NACL)
   62|       |  // On linux we can get the thread names to show up in the debugger by setting
   63|       |  // the process name for the LWP.  We don't want to do this for the main
   64|       |  // thread because that would rename the process, causing tools like killall
   65|       |  // to stop working.
   66|      1|  if (PlatformThread::CurrentId() == getpid())
  ------------------
  |  Branch (66:7): [True: 0, False: 1]
  ------------------
   67|      0|    return;
   68|       |
   69|       |  // http://0pointer.de/blog/projects/name-your-threads.html
   70|       |  // Set the name for the LWP (which gets truncated to 15 characters).
   71|       |  // Note that glibc also has a 'pthread_setname_np' api, but it may not be
   72|       |  // available everywhere and it's only benefit over using prctl directly is
   73|       |  // that it can set the name of threads other than the current thread.
   74|      1|  int err = prctl(PR_SET_NAME, name);
   75|       |  // We expect EPERM failures in sandboxed processes, just ignore those.
   76|      1|  if (err < 0 && errno != EPERM)
  ------------------
  |  Branch (76:7): [True: 0, False: 1]
  |  Branch (76:18): [True: 0, False: 0]
  ------------------
   77|      0|    DPLOG(ERROR) << "prctl(PR_SET_NAME)";
  ------------------
  |  |  749|      0|    BAIDU_LAZY_STREAM(PLOG_STREAM(severity), DLOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
   78|      1|#endif  //  !defined(OS_NACL)
   79|      1|}

_ZN5butil14PlatformThread9CurrentIdEv:
  145|      1|PlatformThreadId PlatformThread::CurrentId() {
  146|       |  // Pthreads doesn't have the concept of a thread ID, so we have to reach down
  147|       |  // into the kernel.
  148|       |#if defined(OS_MACOSX)
  149|       |  return pthread_mach_thread_np(pthread_self());
  150|       |#elif defined(OS_LINUX)
  151|      1|  return syscall(__NR_gettid);
  152|       |#elif defined(OS_ANDROID)
  153|       |  return gettid();
  154|       |#elif defined(OS_SOLARIS) || defined(OS_QNX)
  155|       |  return pthread_self();
  156|       |#elif defined(OS_NACL) && defined(__GLIBC__)
  157|       |  return pthread_self();
  158|       |#elif defined(OS_NACL) && !defined(__GLIBC__)
  159|       |  // Pointers are 32-bits in NaCl.
  160|       |  return reinterpret_cast<int32_t>(pthread_self());
  161|       |#elif defined(OS_POSIX)
  162|       |  return reinterpret_cast<int64_t>(pthread_self());
  163|       |#endif
  164|      1|}

_ZN5butil15gettimeofday_usEv:
  338|      2|inline int64_t gettimeofday_us() {
  339|      2|    timeval now;
  340|       |    gettimeofday(&now, NULL);
  341|      2|    return now.tv_sec * 1000000L + now.tv_usec;
  342|      2|}

_ZN4bvar20DisplaySamplingRatioC2EPKcPKNS_19CollectorSpeedLimitE:
  439|      1|    : _var(name, get_sampling_ratio, (void*)sl) {
  440|      1|}
collector.cpp:_ZN4bvarL18get_sampling_ratioEPv:
  432|      1|static double get_sampling_ratio(void* arg) {
  433|      1|    return ((const CollectorSpeedLimit*)arg)->sampling_range /
  434|      1|        (double)COLLECTOR_SAMPLING_BASE;
  435|      1|}

_ZN4bvar6detail10AgentGroupINS0_13AgentCombinerIPNS0_7SamplerES4_NS0_14CombineSamplerEE5AgentEE16create_new_agentEv:
   89|      1|    inline static AgentId create_new_agent() {
   90|      1|        BAIDU_SCOPED_LOCK(_s_mutex);
  ------------------
  |  |   47|      1|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      1|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      1|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      1|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
   91|      1|        AgentId agent_id = 0;
   92|      1|        if (!_get_free_ids().empty()) {
  ------------------
  |  Branch (92:13): [True: 0, False: 1]
  ------------------
   93|      0|            agent_id = _get_free_ids().back();
   94|      0|            _get_free_ids().pop_back();
   95|      1|        } else {
   96|      1|            agent_id = _s_agent_kinds++;
   97|      1|        }
   98|      1|        return agent_id;
   99|      1|    }
_ZN4bvar6detail10AgentGroupINS0_13AgentCombinerIPNS0_7SamplerES4_NS0_14CombineSamplerEE5AgentEE13_get_free_idsEv:
  172|      1|    inline static std::deque<AgentId> &_get_free_ids() {
  173|      1|        if (__builtin_expect(!_s_free_ids, 0)) {
  ------------------
  |  Branch (173:13): [True: 1, False: 0]
  ------------------
  174|      1|            _s_free_ids = new (std::nothrow) std::deque<AgentId>();
  175|      1|            RELEASE_ASSERT(_s_free_ids);
  ------------------
  |  |  476|      1|    do {                            \
  |  |  477|      1|        if (!(condition)) {         \
  |  |  ------------------
  |  |  |  Branch (477:13): [True: 0, False: 1]
  |  |  ------------------
  |  |  478|      0|            ::abort();              \
  |  |  479|      0|        }                           \
  |  |  480|      1|    } while (false)
  |  |  ------------------
  |  |  |  Branch (480:14): [Folded, False: 1]
  |  |  ------------------
  ------------------
  176|      1|        }
  177|      1|        return *_s_free_ids;
  178|      1|    }
_ZN4bvar6detail10AgentGroupINS0_13AgentCombinerIPNS0_7SamplerES4_NS0_14CombineSamplerEE5AgentEE13get_tls_agentEi:
  114|      5|    inline static Agent* get_tls_agent(AgentId id) {
  115|      5|        if (__builtin_expect(id >= 0, 1)) {
  ------------------
  |  Branch (115:13): [True: 5, False: 0]
  ------------------
  116|      5|            if (_s_tls_blocks) {
  ------------------
  |  Branch (116:17): [True: 4, False: 1]
  ------------------
  117|      4|                const size_t block_id = (size_t)id / ELEMENTS_PER_BLOCK;
  118|      4|                if (block_id < _s_tls_blocks->size()) {
  ------------------
  |  Branch (118:21): [True: 4, False: 0]
  ------------------
  119|      4|                    ThreadBlock* const tb = (*_s_tls_blocks)[block_id];
  120|      4|                    if (tb) {
  ------------------
  |  Branch (120:25): [True: 4, False: 0]
  ------------------
  121|      4|                        return tb->at(id - block_id * ELEMENTS_PER_BLOCK);
  122|      4|                    }
  123|      4|                }
  124|      4|            }
  125|      5|        }
  126|      1|        return NULL;
  127|      5|    }
_ZN4bvar6detail10AgentGroupINS0_13AgentCombinerIPNS0_7SamplerES4_NS0_14CombineSamplerEE5AgentEE11ThreadBlock2atEm:
   83|      5|        inline Agent* at(size_t offset) { return _agents + offset; };
_ZN4bvar6detail10AgentGroupINS0_13AgentCombinerIPNS0_7SamplerES4_NS0_14CombineSamplerEE5AgentEE23get_or_create_tls_agentEi:
  130|      1|    inline static Agent* get_or_create_tls_agent(AgentId id) {
  131|      1|        if (__builtin_expect(id < 0, 0)) {
  ------------------
  |  Branch (131:13): [True: 0, False: 1]
  ------------------
  132|      0|            CHECK(false) << "Invalid id=" << id;
  ------------------
  |  |  617|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(FATAL).SetCheck(), !(condition))     \
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [Folded, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  |  |  618|      0|    << "Check failed: " #condition ". "
  ------------------
  133|      0|            return NULL;
  134|      0|        }
  135|      1|        if (_s_tls_blocks == NULL) {
  ------------------
  |  Branch (135:13): [True: 1, False: 0]
  ------------------
  136|      1|            _s_tls_blocks = new (std::nothrow) std::vector<ThreadBlock *>;
  137|      1|            if (__builtin_expect(_s_tls_blocks == NULL, 0)) {
  ------------------
  |  Branch (137:17): [True: 0, False: 1]
  ------------------
  138|      0|                LOG(FATAL) << "Fail to create vector, " << berror();
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  139|      0|                return NULL;
  140|      0|            }
  141|      1|            butil::thread_atexit(_destroy_tls_blocks);
  142|      1|        }
  143|      1|        const size_t block_id = (size_t)id / ELEMENTS_PER_BLOCK; 
  144|      1|        if (block_id >= _s_tls_blocks->size()) {
  ------------------
  |  Branch (144:13): [True: 1, False: 0]
  ------------------
  145|       |            // The 32ul avoid pointless small resizes.
  146|      1|            _s_tls_blocks->resize(std::max(block_id + 1, 32ul));
  147|      1|        }
  148|      1|        ThreadBlock* tb = (*_s_tls_blocks)[block_id];
  149|      1|        if (tb == NULL) {
  ------------------
  |  Branch (149:13): [True: 1, False: 0]
  ------------------
  150|      1|            ThreadBlock *new_block = new (std::nothrow) ThreadBlock;
  151|      1|            if (__builtin_expect(new_block == NULL, 0)) {
  ------------------
  |  Branch (151:17): [True: 0, False: 1]
  ------------------
  152|      0|                return NULL;
  153|      0|            }
  154|      1|            tb = new_block;
  155|      1|            (*_s_tls_blocks)[block_id] = new_block;
  156|      1|        }
  157|      1|        return tb->at(id - block_id * ELEMENTS_PER_BLOCK);
  158|      1|    }

_ZN4bvar6detail22call_op_returning_voidINS0_14CombineSamplerEPNS0_7SamplerES4_EEvRKT_RT0_RKT1_:
   28|      6|    const Op& op, T1& v1, const T2& v2) {
   29|      6|    return op(v1, v2);
   30|      6|}

_ZN4bvar6detail13AgentCombinerIPNS0_7SamplerES3_NS0_14CombineSamplerEEC2ES3_S3_RKS4_:
  227|      1|        : _id(AgentGroup::create_new_agent())
  228|      1|        , _op(op)
  229|      1|        , _global_result(result_identity)
  230|      1|        , _result_identity(result_identity)
  231|      1|        , _element_identity(element_identity) {
  232|      1|    }
_ZN4bvar6detail13AgentCombinerIPNS0_7SamplerES3_NS0_14CombineSamplerEE5Agent5resetERKS3_RKSt10shared_ptrIS5_E:
  175|      1|        void reset(const ElementTp& val, const self_shared_type& c) {
  176|      1|            combiner = c;
  177|      1|            element.store(val);
  178|      1|        }
_ZN4bvar6detail16ElementContainerIPNS0_7SamplerEvE5storeERKS3_:
   81|      1|    void store(const T& new_value) {
   82|      1|        butil::AutoLock guard(_lock);
   83|      1|        _value = new_value;
   84|      1|    }
_ZNK4bvar6detail13AgentCombinerIPNS0_7SamplerES3_NS0_14CombineSamplerEE2opEv:
  335|      5|    const BinaryOp& op() const { return _op; }
_ZN4bvar6detail13AgentCombinerIPNS0_7SamplerES3_NS0_14CombineSamplerEE16reset_all_agentsEv:
  261|      1|    ResultTp reset_all_agents() {
  262|      1|        ElementTp prev;
  263|      1|        butil::AutoLock guard(_lock);
  264|      1|        ResultTp tmp = _global_result;
  265|      1|        _global_result = _result_identity;
  266|      1|        for (butil::LinkNode<Agent>* node = _agents.head();
  267|      2|             node != _agents.end(); node = node->next()) {
  ------------------
  |  Branch (267:14): [True: 1, False: 1]
  ------------------
  268|      1|            node->value()->element.exchange(&prev, _element_identity);
  269|      1|            call_op_returning_void(_op, tmp, prev);
  270|      1|        }
  271|      1|        return tmp;
  272|      1|    }
_ZN4bvar6detail16ElementContainerIPNS0_7SamplerEvE8exchangeEPS3_RKS3_:
   86|      1|    void exchange(T* prev, const T& new_value) {
   87|      1|        butil::AutoLock guard(_lock);
   88|      1|        *prev = _value;
   89|      1|        _value = new_value;
   90|      1|    }
_ZN4bvar6detail13AgentCombinerIPNS0_7SamplerES3_NS0_14CombineSamplerEE23get_or_create_tls_agentEv:
  300|      5|    Agent* get_or_create_tls_agent() {
  301|      5|        Agent* agent = AgentGroup::get_tls_agent(_id);
  302|      5|        if (!agent) {
  ------------------
  |  Branch (302:13): [True: 1, False: 4]
  ------------------
  303|       |            // Create the agent
  304|      1|            agent = AgentGroup::get_or_create_tls_agent(_id);
  305|      1|            if (NULL == agent) {
  ------------------
  |  Branch (305:17): [True: 0, False: 1]
  ------------------
  306|      0|                LOG(FATAL) << "Fail to create agent";
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  307|      0|                return NULL;
  308|      0|            }
  309|      1|        }
  310|      5|        if (!agent->combiner.expired()) {
  ------------------
  |  Branch (310:13): [True: 4, False: 1]
  ------------------
  311|      4|            return agent;
  312|      4|        }
  313|      1|        agent->reset(_element_identity, this->shared_from_this());
  314|       |        // TODO: Is uniqueness-checking necessary here?
  315|      1|        {
  316|      1|            butil::AutoLock guard(_lock);
  317|      1|            _agents.Append(agent);
  318|      1|        }
  319|      1|        return agent;
  320|      5|    }
_ZN4bvar6detail16ElementContainerIPNS0_7SamplerEvE6modifyINS0_14CombineSamplerES3_EEvRKT_RKT0_:
   93|      5|    void modify(const Op &op, const T1 &value2) {
   94|      5|        butil::AutoLock guard(_lock);
   95|      5|        call_op_returning_void(op, _value, value2);
   96|      5|    }

_ZN4bvar6detail16SamplerCollector3runEv:
  135|      1|void SamplerCollector::run() {
  136|      1|    ::usleep(FLAGS_bvar_sampler_thread_start_delay_us);
  137|       |    
  138|       |#ifndef UNIT_TEST
  139|       |    // NOTE:
  140|       |    // * Following vars can't be created on thread's stack since this thread
  141|       |    //   may be abandoned at any time after forking.
  142|       |    // * They can't created inside the constructor of SamplerCollector as well,
  143|       |    //   which results in deadlock.
  144|       |    if (s_cumulated_time_bvar == NULL) {
  145|       |        s_cumulated_time_bvar =
  146|       |            new PassiveStatus<double>(get_cumulated_time, this);
  147|       |    }
  148|       |    if (s_sampling_thread_usage_bvar == NULL) {
  149|       |        s_sampling_thread_usage_bvar =
  150|       |            new bvar::PerSecond<bvar::PassiveStatus<double> >(
  151|       |                    "bvar_sampler_collector_usage", s_cumulated_time_bvar, 10);
  152|       |    }
  153|       |#endif
  154|       |
  155|      1|    butil::LinkNode<Sampler> root;
  156|      1|    int consecutive_nosleep = 0;
  157|      2|    while (!_stop) {
  ------------------
  |  Branch (157:12): [True: 1, False: 1]
  ------------------
  158|      1|        int64_t abstime = butil::gettimeofday_us();
  159|      1|        Sampler* s = this->reset();
  160|      1|        if (s) {
  ------------------
  |  Branch (160:13): [True: 1, False: 0]
  ------------------
  161|      1|            s->InsertBeforeAsList(&root);
  162|      1|        }
  163|      6|        for (butil::LinkNode<Sampler>* p = root.next(); p != &root;) {
  ------------------
  |  Branch (163:57): [True: 5, False: 1]
  ------------------
  164|       |            // We may remove p from the list, save next first.
  165|      5|            butil::LinkNode<Sampler>* saved_next = p->next();
  166|      5|            Sampler* s = p->value();
  167|      5|            s->_mutex.lock();
  168|      5|            if (!s->_used) {
  ------------------
  |  Branch (168:17): [True: 0, False: 5]
  ------------------
  169|      0|                s->_mutex.unlock();
  170|      0|                p->RemoveFromList();
  171|      0|                delete s;
  172|      5|            } else {
  173|      5|                s->take_sample();
  174|      5|                s->_mutex.unlock();
  175|      5|            }
  176|      5|            p = saved_next;
  177|      5|        }
  178|      1|        bool slept = false;
  179|      1|        int64_t now = butil::gettimeofday_us();
  180|      1|        _cumulated_time_us += now - abstime;
  181|      1|        abstime += 1000000L;
  182|      2|        while (abstime > now) {
  ------------------
  |  Branch (182:16): [True: 1, False: 1]
  ------------------
  183|      1|            ::usleep(abstime - now);
  184|      1|            slept = true;
  185|      1|            now = butil::gettimeofday_us();
  186|      1|        }
  187|      1|        if (slept) {
  ------------------
  |  Branch (187:13): [True: 0, False: 1]
  ------------------
  188|      0|            consecutive_nosleep = 0;
  189|      1|        } else {            
  190|      1|            if (++consecutive_nosleep >= WARN_NOSLEEP_THRESHOLD) {
  ------------------
  |  Branch (190:17): [True: 0, False: 1]
  ------------------
  191|      0|                consecutive_nosleep = 0;
  192|      0|                LOG(WARNING) << "bvar is busy at sampling for "
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  193|      0|                             << WARN_NOSLEEP_THRESHOLD << " seconds!";
  194|      0|            }
  195|      1|        }
  196|      1|    }
  197|      1|}
_ZN4bvar6detail7SamplerC2Ev:
  199|      5|Sampler::Sampler() : _used(true) {}
_ZN4bvar6detail7Sampler8scheduleEv:
  205|      5|void Sampler::schedule() {
  206|       |    // since the SamplerCollector is initialized before the program starts
  207|       |    // flags will not take effect if used in the SamplerCollector constructor
  208|      5|    if (FLAGS_bvar_enable_sampling) {
  ------------------
  |  Branch (208:9): [True: 5, False: 0]
  ------------------
  209|      5|        *butil::get_leaky_singleton<SamplerCollector>() << this;
  210|      5|    }
  211|      5|}
_ZN4bvar6detail16SamplerCollectorC2Ev:
   66|      1|        : _created(false)
   67|      1|        , _stop(false)
   68|      1|        , _cumulated_time_us(0) {
   69|      1|        create_sampling_thread();
   70|      1|    }
_ZN4bvar6detail16SamplerCollector22create_sampling_threadEv:
   91|      1|    void create_sampling_thread() {
   92|      1|        const int rc = pthread_create(&_tid, NULL, sampling_thread, this);
   93|      1|        if (rc != 0) {
  ------------------
  |  Branch (93:13): [True: 0, False: 1]
  ------------------
   94|      0|            LOG(FATAL) << "Fail to create sampling_thread, " << berror(rc);
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
   95|      1|        } else {
   96|      1|            _created = true;
   97|      1|            if (!registered_atfork) {
  ------------------
  |  Branch (97:17): [True: 1, False: 0]
  ------------------
   98|      1|                registered_atfork = true;
   99|      1|                pthread_atfork(NULL, NULL, child_callback_atfork);
  100|      1|            }
  101|      1|        }
  102|      1|    }
_ZN4bvar6detail16SamplerCollector15sampling_threadEPv:
  111|      1|    static void* sampling_thread(void* arg) {
  112|      1|        butil::PlatformThread::SetNameSimple("bvar_sampler");
  113|      1|        static_cast<SamplerCollector*>(arg)->run();
  114|       |        return NULL;
  115|      1|    }
_ZNK4bvar6detail14CombineSamplerclERPNS0_7SamplerES3_:
   36|      6|    void operator()(Sampler* & s1, Sampler* s2) const {
   37|      6|        if (s2 == NULL) {
  ------------------
  |  Branch (37:13): [True: 0, False: 6]
  ------------------
   38|      0|            return;
   39|      0|        }
   40|      6|        if (s1 == NULL) {
  ------------------
  |  Branch (40:13): [True: 2, False: 4]
  ------------------
   41|      2|            s1 = s2;
   42|      2|            return;
   43|      2|        }
   44|      4|        s1->InsertBeforeAsList(s2);
   45|      4|    }

_ZN4bvar6detail10SeriesBaseIlNS0_5AddToIlEEE6appendERKl:
  114|      1|    void append(const T& value) {
  115|      1|        BAIDU_SCOPED_LOCK(_mutex);
  ------------------
  |  |   47|      1|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      1|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      1|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      1|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  116|      1|        return append_second(value, _op);
  117|      1|    }
_ZN4bvar6detail10SeriesBaseIlNS0_5AddToIlEEE13append_secondERKlRKS3_:
  161|      1|void SeriesBase<T, Op>::append_second(const T& value, const Op& op) {
  162|      1|    _data.second(_nsecond) = value;
  163|      1|    ++_nsecond;
  164|      1|    if (_nsecond >= 60) {
  ------------------
  |  Branch (164:9): [True: 0, False: 1]
  ------------------
  165|      0|        _nsecond = 0;
  166|      0|        T tmp = _data.second(0);
  167|      0|        for (int i = 1; i < 60; ++i) {
  ------------------
  |  Branch (167:25): [True: 0, False: 0]
  ------------------
  168|      0|            call_op_returning_void(op, tmp, _data.second(i));
  169|      0|        }
  170|      0|        DivideOnAddition<T, Op>::inplace_divide(tmp, op, 60);
  171|      0|        append_minute(tmp, op);
  172|      0|    }
  173|      1|}
_ZN4bvar6detail10SeriesBaseIlNS0_5AddToIlEEE4Data6secondEi:
  135|      1|        T& second(int index) { return _array[index]; }
_ZN4bvar6detail10SeriesBaseIiNS0_5AddToIiEEE6appendERKi:
  114|      1|    void append(const T& value) {
  115|      1|        BAIDU_SCOPED_LOCK(_mutex);
  ------------------
  |  |   47|      1|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      1|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      1|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      1|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  116|      1|        return append_second(value, _op);
  117|      1|    }
_ZN4bvar6detail10SeriesBaseIiNS0_5AddToIiEEE13append_secondERKiRKS3_:
  161|      1|void SeriesBase<T, Op>::append_second(const T& value, const Op& op) {
  162|      1|    _data.second(_nsecond) = value;
  163|      1|    ++_nsecond;
  164|      1|    if (_nsecond >= 60) {
  ------------------
  |  Branch (164:9): [True: 0, False: 1]
  ------------------
  165|      0|        _nsecond = 0;
  166|      0|        T tmp = _data.second(0);
  167|      0|        for (int i = 1; i < 60; ++i) {
  ------------------
  |  Branch (167:25): [True: 0, False: 0]
  ------------------
  168|      0|            call_op_returning_void(op, tmp, _data.second(i));
  169|      0|        }
  170|      0|        DivideOnAddition<T, Op>::inplace_divide(tmp, op, 60);
  171|      0|        append_minute(tmp, op);
  172|      0|    }
  173|      1|}
_ZN4bvar6detail10SeriesBaseIiNS0_5AddToIiEEE4Data6secondEi:
  135|      1|        T& second(int index) { return _array[index]; }
_ZN4bvar6detail6SeriesIdNS0_5AddToIdEEEC2ERKS3_:
  218|      1|    explicit Series(const Op& op) : Base(op) {}
_ZN4bvar6detail10SeriesBaseIdNS0_5AddToIdEEEC2ERKS3_:
  103|      1|        : _op(op)
  104|      1|        , _nsecond(0)
  105|      1|        , _nminute(0)
  106|      1|        , _nhour(0)
  107|      1|        , _nday(0) {
  108|       |        pthread_mutex_init(&_mutex, NULL);
  109|      1|    }
_ZN4bvar6detail10SeriesBaseIdNS0_5AddToIdEEE4DataC2Ev:
  127|      1|        Data() {
  128|       |            // is_pod does not work for gcc 3.4
  129|      1|            if (butil::is_integral<T>::value ||
  ------------------
  |  Branch (129:17): [Folded, False: 0]
  ------------------
  130|      1|                butil::is_floating_point<T>::value) {
  ------------------
  |  Branch (130:17): [True: 0, Folded]
  ------------------
  131|      1|                memset(static_cast<void*>(_array), 0, sizeof(_array));
  132|      1|            }
  133|      1|        }
_ZN4bvar6detail10SeriesBaseIdNS0_5AddToIdEEE6appendERKd:
  114|      1|    void append(const T& value) {
  115|      1|        BAIDU_SCOPED_LOCK(_mutex);
  ------------------
  |  |   47|      1|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      1|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      1|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      1|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  116|      1|        return append_second(value, _op);
  117|      1|    }
_ZN4bvar6detail10SeriesBaseIdNS0_5AddToIdEEE13append_secondERKdRKS3_:
  161|      1|void SeriesBase<T, Op>::append_second(const T& value, const Op& op) {
  162|      1|    _data.second(_nsecond) = value;
  163|      1|    ++_nsecond;
  164|      1|    if (_nsecond >= 60) {
  ------------------
  |  Branch (164:9): [True: 0, False: 1]
  ------------------
  165|      0|        _nsecond = 0;
  166|      0|        T tmp = _data.second(0);
  167|      0|        for (int i = 1; i < 60; ++i) {
  ------------------
  |  Branch (167:25): [True: 0, False: 0]
  ------------------
  168|      0|            call_op_returning_void(op, tmp, _data.second(i));
  169|      0|        }
  170|      0|        DivideOnAddition<T, Op>::inplace_divide(tmp, op, 60);
  171|      0|        append_minute(tmp, op);
  172|      0|    }
  173|      1|}
_ZN4bvar6detail10SeriesBaseIdNS0_5AddToIdEEE4Data6secondEi:
  135|      1|        T& second(int index) { return _array[index]; }
_ZN4bvar6detail6SeriesIlNS0_5AddToIlEEEC2ERKS3_:
  218|      1|    explicit Series(const Op& op) : Base(op) {}
_ZN4bvar6detail10SeriesBaseIlNS0_5AddToIlEEEC2ERKS3_:
  103|      1|        : _op(op)
  104|      1|        , _nsecond(0)
  105|      1|        , _nminute(0)
  106|      1|        , _nhour(0)
  107|      1|        , _nday(0) {
  108|       |        pthread_mutex_init(&_mutex, NULL);
  109|      1|    }
_ZN4bvar6detail10SeriesBaseIlNS0_5AddToIlEEE4DataC2Ev:
  127|      1|        Data() {
  128|       |            // is_pod does not work for gcc 3.4
  129|      1|            if (butil::is_integral<T>::value ||
  ------------------
  |  Branch (129:17): [True: 1, Folded]
  ------------------
  130|      1|                butil::is_floating_point<T>::value) {
  ------------------
  |  Branch (130:17): [Folded, False: 0]
  ------------------
  131|      1|                memset(static_cast<void*>(_array), 0, sizeof(_array));
  132|      1|            }
  133|      1|        }
_ZN4bvar6detail6SeriesImNS0_5AddToImEEEC2ERKS3_:
  218|      2|    explicit Series(const Op& op) : Base(op) {}
_ZN4bvar6detail10SeriesBaseImNS0_5AddToImEEEC2ERKS3_:
  103|      2|        : _op(op)
  104|      2|        , _nsecond(0)
  105|      2|        , _nminute(0)
  106|      2|        , _nhour(0)
  107|      2|        , _nday(0) {
  108|       |        pthread_mutex_init(&_mutex, NULL);
  109|      2|    }
_ZN4bvar6detail10SeriesBaseImNS0_5AddToImEEE4DataC2Ev:
  127|      2|        Data() {
  128|       |            // is_pod does not work for gcc 3.4
  129|      2|            if (butil::is_integral<T>::value ||
  ------------------
  |  Branch (129:17): [True: 2, Folded]
  ------------------
  130|      2|                butil::is_floating_point<T>::value) {
  ------------------
  |  Branch (130:17): [Folded, False: 0]
  ------------------
  131|      2|                memset(static_cast<void*>(_array), 0, sizeof(_array));
  132|      2|            }
  133|      2|        }
_ZN4bvar6detail10SeriesBaseImNS0_5AddToImEEE6appendERKm:
  114|      2|    void append(const T& value) {
  115|      2|        BAIDU_SCOPED_LOCK(_mutex);
  ------------------
  |  |   47|      2|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      2|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      2|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      2|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  116|      2|        return append_second(value, _op);
  117|      2|    }
_ZN4bvar6detail10SeriesBaseImNS0_5AddToImEEE13append_secondERKmRKS3_:
  161|      2|void SeriesBase<T, Op>::append_second(const T& value, const Op& op) {
  162|      2|    _data.second(_nsecond) = value;
  163|      2|    ++_nsecond;
  164|      2|    if (_nsecond >= 60) {
  ------------------
  |  Branch (164:9): [True: 0, False: 2]
  ------------------
  165|      0|        _nsecond = 0;
  166|      0|        T tmp = _data.second(0);
  167|      0|        for (int i = 1; i < 60; ++i) {
  ------------------
  |  Branch (167:25): [True: 0, False: 0]
  ------------------
  168|      0|            call_op_returning_void(op, tmp, _data.second(i));
  169|      0|        }
  170|      0|        DivideOnAddition<T, Op>::inplace_divide(tmp, op, 60);
  171|      0|        append_minute(tmp, op);
  172|      0|    }
  173|      2|}
_ZN4bvar6detail10SeriesBaseImNS0_5AddToImEEE4Data6secondEi:
  135|      2|        T& second(int index) { return _array[index]; }
_ZN4bvar6detail6SeriesIiNS0_5AddToIiEEEC2ERKS3_:
  218|      1|    explicit Series(const Op& op) : Base(op) {}
_ZN4bvar6detail10SeriesBaseIiNS0_5AddToIiEEEC2ERKS3_:
  103|      1|        : _op(op)
  104|      1|        , _nsecond(0)
  105|      1|        , _nminute(0)
  106|      1|        , _nhour(0)
  107|      1|        , _nday(0) {
  108|       |        pthread_mutex_init(&_mutex, NULL);
  109|      1|    }
_ZN4bvar6detail10SeriesBaseIiNS0_5AddToIiEEE4DataC2Ev:
  127|      1|        Data() {
  128|       |            // is_pod does not work for gcc 3.4
  129|      1|            if (butil::is_integral<T>::value ||
  ------------------
  |  Branch (129:17): [True: 1, Folded]
  ------------------
  130|      1|                butil::is_floating_point<T>::value) {
  ------------------
  |  Branch (130:17): [Folded, False: 0]
  ------------------
  131|      1|                memset(static_cast<void*>(_array), 0, sizeof(_array));
  132|      1|            }
  133|      1|        }

_ZN4bvar13PassiveStatusINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEC2ERKN5butil16BasicStringPieceIS6_EEPFvRSoPvESE_:
  204|      7|        : _print(print), _arg(arg) {
  205|      7|        expose(name);
  206|      7|    }
_ZN4bvar13PassiveStatusIlE11expose_implERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEESC_NS_13DisplayFilterE:
  172|      1|                    DisplayFilter display_filter) override {
  173|      1|        const int rc = Variable::expose_impl(prefix, name, display_filter);
  174|      1|        if (ADDITIVE &&
  ------------------
  |  Branch (174:13): [True: 1, Folded]
  ------------------
  175|      1|            rc == 0 &&
  ------------------
  |  Branch (175:13): [True: 1, False: 0]
  ------------------
  176|      1|            _series_sampler == NULL &&
  ------------------
  |  Branch (176:13): [True: 1, False: 0]
  ------------------
  177|      1|            FLAGS_save_series) {
  ------------------
  |  Branch (177:13): [True: 1, False: 0]
  ------------------
  178|      1|            _series_sampler = new SeriesSampler(this);
  179|      1|            _series_sampler->schedule();
  180|      1|        }
  181|      1|        return rc;
  182|      1|    }
_ZN4bvar13PassiveStatusIlE13SeriesSampler11take_sampleEv:
   62|      1|        void take_sample() override { _series.append(_owner->get_value()); }
_ZNK4bvar13PassiveStatusIlE9get_valueEv:
  139|      1|    Tp get_value() const {
  140|      1|        return (_getfn ? _getfn(_arg) : Tp());
  ------------------
  |  Branch (140:17): [True: 1, False: 0]
  ------------------
  141|      1|    }
_ZNK4bvar13PassiveStatusIdE9get_valueEv:
  139|      1|    Tp get_value() const {
  140|      1|        return (_getfn ? _getfn(_arg) : Tp());
  ------------------
  |  Branch (140:17): [True: 1, False: 0]
  ------------------
  141|      1|    }
_ZN4bvar13PassiveStatusIdE11expose_implERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEESC_NS_13DisplayFilterE:
  172|      1|                    DisplayFilter display_filter) override {
  173|      1|        const int rc = Variable::expose_impl(prefix, name, display_filter);
  174|      1|        if (ADDITIVE &&
  ------------------
  |  Branch (174:13): [True: 1, Folded]
  ------------------
  175|      1|            rc == 0 &&
  ------------------
  |  Branch (175:13): [True: 1, False: 0]
  ------------------
  176|      1|            _series_sampler == NULL &&
  ------------------
  |  Branch (176:13): [True: 1, False: 0]
  ------------------
  177|      1|            FLAGS_save_series) {
  ------------------
  |  Branch (177:13): [True: 1, False: 0]
  ------------------
  178|      1|            _series_sampler = new SeriesSampler(this);
  179|      1|            _series_sampler->schedule();
  180|      1|        }
  181|      1|        return rc;
  182|      1|    }
_ZN4bvar13PassiveStatusIdE13SeriesSamplerC2EPS1_:
   58|      1|            : _owner(owner), _vector_names(NULL), _series(Op()) {}
_ZN4bvar13PassiveStatusIdE13SeriesSampler11take_sampleEv:
   62|      1|        void take_sample() override { _series.append(_owner->get_value()); }
_ZN4bvar13PassiveStatusIlE13SeriesSamplerC2EPS1_:
   58|      1|            : _owner(owner), _vector_names(NULL), _series(Op()) {}
_ZN4bvar13PassiveStatusIlEC2ERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEPFlPvESD_:
   81|      1|        : _getfn(getfn)
   82|      1|        , _arg(arg)
   83|      1|        , _sampler(NULL)
   84|      1|        , _series_sampler(NULL) {
   85|      1|        expose(name);
   86|      1|    }
_ZNK4bvar13PassiveStatusImE9get_valueEv:
  139|      2|    Tp get_value() const {
  140|      2|        return (_getfn ? _getfn(_arg) : Tp());
  ------------------
  |  Branch (140:17): [True: 2, False: 0]
  ------------------
  141|      2|    }
_ZN4bvar13PassiveStatusImE11expose_implERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEESC_NS_13DisplayFilterE:
  172|      2|                    DisplayFilter display_filter) override {
  173|      2|        const int rc = Variable::expose_impl(prefix, name, display_filter);
  174|      2|        if (ADDITIVE &&
  ------------------
  |  Branch (174:13): [True: 2, Folded]
  ------------------
  175|      2|            rc == 0 &&
  ------------------
  |  Branch (175:13): [True: 2, False: 0]
  ------------------
  176|      2|            _series_sampler == NULL &&
  ------------------
  |  Branch (176:13): [True: 2, False: 0]
  ------------------
  177|      2|            FLAGS_save_series) {
  ------------------
  |  Branch (177:13): [True: 2, False: 0]
  ------------------
  178|      2|            _series_sampler = new SeriesSampler(this);
  179|      2|            _series_sampler->schedule();
  180|      2|        }
  181|      2|        return rc;
  182|      2|    }
_ZN4bvar13PassiveStatusImE13SeriesSamplerC2EPS1_:
   58|      2|            : _owner(owner), _vector_names(NULL), _series(Op()) {}
_ZN4bvar13PassiveStatusImE13SeriesSampler11take_sampleEv:
   62|      2|        void take_sample() override { _series.append(_owner->get_value()); }
_ZNK4bvar13PassiveStatusIiE9get_valueEv:
  139|      1|    Tp get_value() const {
  140|      1|        return (_getfn ? _getfn(_arg) : Tp());
  ------------------
  |  Branch (140:17): [True: 1, False: 0]
  ------------------
  141|      1|    }
_ZN4bvar13PassiveStatusIiE11expose_implERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEESC_NS_13DisplayFilterE:
  172|      1|                    DisplayFilter display_filter) override {
  173|      1|        const int rc = Variable::expose_impl(prefix, name, display_filter);
  174|      1|        if (ADDITIVE &&
  ------------------
  |  Branch (174:13): [True: 1, Folded]
  ------------------
  175|      1|            rc == 0 &&
  ------------------
  |  Branch (175:13): [True: 1, False: 0]
  ------------------
  176|      1|            _series_sampler == NULL &&
  ------------------
  |  Branch (176:13): [True: 1, False: 0]
  ------------------
  177|      1|            FLAGS_save_series) {
  ------------------
  |  Branch (177:13): [True: 1, False: 0]
  ------------------
  178|      1|            _series_sampler = new SeriesSampler(this);
  179|      1|            _series_sampler->schedule();
  180|      1|        }
  181|      1|        return rc;
  182|      1|    }
_ZN4bvar13PassiveStatusIiE13SeriesSamplerC2EPS1_:
   58|      1|            : _owner(owner), _vector_names(NULL), _series(Op()) {}
_ZN4bvar13PassiveStatusIiE13SeriesSampler11take_sampleEv:
   62|      1|        void take_sample() override { _series.append(_owner->get_value()); }
_ZN4bvar13PassiveStatusIdEC2ERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEPFdPvESD_:
   81|      1|        : _getfn(getfn)
   82|      1|        , _arg(arg)
   83|      1|        , _sampler(NULL)
   84|      1|        , _series_sampler(NULL) {
   85|      1|        expose(name);
   86|      1|    }
_ZN4bvar13PassiveStatusIiEC2ERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEPFiPvESD_:
   81|      1|        : _getfn(getfn)
   82|      1|        , _arg(arg)
   83|      1|        , _sampler(NULL)
   84|      1|        , _series_sampler(NULL) {
   85|      1|        expose(name);
   86|      1|    }
_ZN4bvar13PassiveStatusImEC2ERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEEPFmPvESD_:
   81|      2|        : _getfn(getfn)
   82|      2|        , _arg(arg)
   83|      2|        , _sampler(NULL)
   84|      2|        , _series_sampler(NULL) {
   85|      2|        expose(name);
   86|      2|    }

_ZN4bvar7ReducerIPNS_6detail7SamplerENS1_14CombineSamplerENS1_6VoidOpEEC2ERKS3_RKS4_RKS5_:
  204|      1|        : _combiner(std::make_shared<combiner_type>(identity, identity, op))
  205|      1|        , _sampler(NULL) , _series_sampler(NULL) , _inv_op(inv_op) {}
_ZN4bvar7ReducerIPNS_6detail7SamplerENS1_14CombineSamplerENS1_6VoidOpEE5resetEv:
  238|      1|    T reset() { return _combiner->reset_all_agents(); }
_ZN4bvar7ReducerIPNS_6detail7SamplerENS1_14CombineSamplerENS1_6VoidOpEElsERKS3_:
  302|      5|    typename butil::add_cr_non_integral<T>::type value) {
  303|       |    // It's wait-free for most time
  304|      5|    agent_type* agent = _combiner->get_or_create_tls_agent();
  305|      5|    if (__builtin_expect(!agent, 0)) {
  ------------------
  |  Branch (305:9): [True: 0, False: 5]
  ------------------
  306|      0|        LOG(FATAL) << "Fail to create agent";
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  307|      0|        return *this;
  308|      0|    }
  309|      5|    agent->element.modify(_combiner->op(), value);
  310|      5|    return *this;
  311|      5|}

_ZN4bvar8Variable11expose_implERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEESB_NS_13DisplayFilterE:
  131|     12|                          DisplayFilter display_filter) {
  132|     12|    if (name.empty()) {
  ------------------
  |  Branch (132:9): [True: 0, False: 12]
  ------------------
  133|      0|        LOG(ERROR) << "Parameter[name] is empty";
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  134|      0|        return -1;
  135|      0|    }
  136|       |    // NOTE: It's impossible to atomically erase from a submap and insert into
  137|       |    // another submap without a global lock. When the to-be-exposed name
  138|       |    // already exists, there's a chance that we can't insert back previous
  139|       |    // name. But it should be fine generally because users are unlikely to
  140|       |    // expose a variable more than once and calls to expose() are unlikely
  141|       |    // to contend heavily.
  142|       |
  143|       |    // remove previous pointer from the map if needed.
  144|     12|    hide();
  145|       |
  146|       |    // Build the name.
  147|     12|    _name.clear();
  148|     12|    _name.reserve((prefix.size() + name.size()) * 5 / 4);
  149|     12|    if (!prefix.empty()) {
  ------------------
  |  Branch (149:9): [True: 0, False: 12]
  ------------------
  150|      0|        to_underscored_name(&_name, prefix);
  151|      0|        if (!_name.empty() && butil::back_char(_name) != '_') {
  ------------------
  |  Branch (151:13): [True: 0, False: 0]
  |  Branch (151:31): [True: 0, False: 0]
  ------------------
  152|      0|            _name.push_back('_');
  153|      0|        }
  154|      0|    }
  155|     12|    to_underscored_name(&_name, name);
  156|       |    
  157|     12|    VarMapWithLock& m = get_var_map(_name);
  158|     12|    {
  159|     12|        BAIDU_SCOPED_LOCK(m.mutex);
  ------------------
  |  |   47|     12|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|     12|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|     12|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|     12|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  160|     12|        VarEntry* entry = m.seek(_name);
  161|     12|        if (entry == NULL) {
  ------------------
  |  Branch (161:13): [True: 12, False: 0]
  ------------------
  162|     12|            entry = &m[_name];
  163|     12|            entry->var = this;
  164|     12|            entry->display_filter = display_filter;
  165|     12|            return 0;
  166|     12|        }
  167|     12|    }
  168|      0|    RELEASE_ASSERT_VERBOSE(!FLAGS_bvar_abort_on_same_name,
  ------------------
  |  |  489|      0|    do {                                                                            \
  |  |  490|      0|        if (!(condition)) {                                                         \
  |  |  ------------------
  |  |  |  Branch (490:13): [True: 0, False: 0]
  |  |  ------------------
  |  |  491|      0|            ASSERT_LOG("Assert failure: " #condition ". " #fmt, ## __VA_ARGS__);    \
  |  |  ------------------
  |  |  |  |  469|      0|    do {                                                                \
  |  |  |  |  470|      0|        std::string log = butil::string_printf(fmt, ## __VA_ARGS__);    \
  |  |  |  |  471|      0|        LOG(FATAL) << log;                                              \
  |  |  |  |  ------------------
  |  |  |  |  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  |  |  |  |  ------------------
  |  |  |  |  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  |  |  |  |  ------------------
  |  |  |  |  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  |  |  |  |  ------------------
  |  |  |  |  |  |  ------------------
  |  |  |  |  ------------------
  |  |  |  |  472|      0|    } while (false)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:14): [Folded, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  |  |  492|      0|            ::abort();                                                              \
  |  |  493|      0|        }                                                                           \
  |  |  494|      0|    } while (false)
  |  |  ------------------
  |  |  |  Branch (494:14): [Folded, False: 0]
  |  |  ------------------
  ------------------
  169|      0|                           "Abort due to name conflict");
  170|      0|    if (!s_bvar_may_abort) {
  ------------------
  |  Branch (170:9): [True: 0, False: 0]
  ------------------
  171|       |        // Mark name conflict occurs, If this conflict happens before
  172|       |        // initialization of bvar_abort_on_same_name, the validator will
  173|       |        // abort the program if needed.
  174|      0|        s_bvar_may_abort = true;
  175|      0|    }
  176|       |        
  177|      0|    LOG(ERROR) << "Already exposed `" << _name << "' whose value is `"
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  178|      0|               << describe_exposed(_name) << '\'';
  179|      0|    _name.clear();
  180|      0|    return -1;
  181|      0|}
_ZN4bvar8Variable4hideEv:
  187|     12|bool Variable::hide() {
  188|     12|    if (_name.empty()) {
  ------------------
  |  Branch (188:9): [True: 12, False: 0]
  ------------------
  189|     12|        return false;
  190|     12|    }
  191|      0|    VarMapWithLock& m = get_var_map(_name);
  192|      0|    BAIDU_SCOPED_LOCK(m.mutex);
  ------------------
  |  |   47|      0|    decltype(::butil::detail::get_lock_guard<decltype(ref_of_lock)>()) \
  |  |   48|      0|    BAIDU_CONCAT(scoped_locker_dummy_at_line_, __LINE__)(ref_of_lock)
  |  |  ------------------
  |  |  |  |   88|      0|# define BAIDU_CONCAT(a, b) BAIDU_CONCAT_HELPER(a, b)
  |  |  |  |  ------------------
  |  |  |  |  |  |   89|      0|# define BAIDU_CONCAT_HELPER(a, b) a##b
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
  193|      0|    VarEntry* entry = m.seek(_name);
  194|      0|    if (entry) {
  ------------------
  |  Branch (194:9): [True: 0, False: 0]
  ------------------
  195|      0|        CHECK_EQ(1UL, m.erase(_name));
  ------------------
  |  |  692|      0|#define CHECK_EQ(val1, val2) BAIDU_CHECK_OP(EQ, ==, val1, val2)
  |  |  ------------------
  |  |  |  |  630|      0|    if (std::string* _result =                                          \
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (630:22): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  |  |  631|      0|        ::logging::Check##name##Impl((val1), (val2),                    \
  |  |  |  |  632|      0|                                     #val1 " " #op " " #val2))          \
  |  |  |  |  633|      0|        ::logging::LogMessage(__FILE__, __LINE__, __func__, _result).stream().SetCheck()
  |  |  ------------------
  ------------------
  196|      0|    } else {
  197|      0|        CHECK(false) << "`" << _name << "' must exist";
  ------------------
  |  |  617|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(FATAL).SetCheck(), !(condition))     \
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [Folded, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  |  |  618|      0|    << "Check failed: " #condition ". "
  ------------------
  198|      0|    }
  199|      0|    _name.clear();
  200|      0|    return true;
  201|     12|}
_ZN4bvar19to_underscored_nameEPNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEERKN5butil16BasicStringPieceIS5_EE:
  942|     12|void to_underscored_name(std::string* name, const butil::StringPiece& src) {
  943|     12|    name->reserve(name->size() + src.size() + 8/*just guess*/);
  944|    214|    for (const char* p = src.data(); p != src.data() + src.size(); ++p) {
  ------------------
  |  Branch (944:38): [True: 202, False: 12]
  ------------------
  945|    202|        if (isalpha(*p)) {
  ------------------
  |  Branch (945:13): [True: 183, False: 19]
  ------------------
  946|    183|            if (*p < 'a') { // upper cases
  ------------------
  |  Branch (946:17): [True: 0, False: 183]
  ------------------
  947|      0|                if (p != src.data() && !isupper(p[-1]) &&
  ------------------
  |  Branch (947:21): [True: 0, False: 0]
  |  Branch (947:40): [True: 0, False: 0]
  ------------------
  948|      0|                    butil::back_char(*name) != '_') {
  ------------------
  |  Branch (948:21): [True: 0, False: 0]
  ------------------
  949|      0|                    name->push_back('_');
  950|      0|                }
  951|      0|                name->push_back(*p - 'A' + 'a');
  952|    183|            } else {
  953|    183|                name->push_back(*p);
  954|    183|            }
  955|    183|        } else if (isdigit(*p)) {
  ------------------
  |  Branch (955:20): [True: 0, False: 19]
  ------------------
  956|      0|            name->push_back(*p);
  957|     19|        } else if (name->empty() || butil::back_char(*name) != '_') {
  ------------------
  |  Branch (957:20): [True: 0, False: 19]
  |  Branch (957:37): [True: 19, False: 0]
  ------------------
  958|     19|            name->push_back('_');
  959|     19|        }
  960|    202|    }
  961|     12|}
_ZN4bvar11get_var_mapERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE:
  119|     12|inline VarMapWithLock& get_var_map(const std::string& name) {
  120|     12|    VarMapWithLock& m = get_var_maps()[sub_map_index(name)];
  121|     12|    return m;
  122|     12|}
_ZN4bvar13sub_map_indexERKNSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEE:
  102|     12|inline size_t sub_map_index(const std::string& str) {
  103|     12|    if (str.empty()) {
  ------------------
  |  Branch (103:9): [True: 0, False: 12]
  ------------------
  104|      0|        return 0;
  105|      0|    }
  106|     12|    size_t h = 0;
  107|       |    // we're assume that str is ended with '\0', which may not be in general
  108|    214|    for (const char* p  = str.c_str(); *p; ++p) {
  ------------------
  |  Branch (108:40): [True: 202, False: 12]
  ------------------
  109|    202|        h = h * 5 + *p;
  110|    202|    }
  111|     12|    return h & (SUB_MAP_COUNT - 1);
  112|     12|}
_ZN4bvar12get_var_mapsEv:
  114|     12|inline VarMapWithLock* get_var_maps() {
  115|     12|    pthread_once(&s_var_maps_once, init_var_maps);
  116|     12|    return s_var_maps;
  117|     12|}
variable.cpp:_ZN4bvarL13init_var_mapsEv:
   96|      1|static void init_var_maps() {
   97|       |    // It's probably slow to initialize all sub maps, but rpc often expose 
   98|       |    // variables before user. So this should not be an issue to users.
   99|      1|    s_var_maps = new VarMapWithLock[SUB_MAP_COUNT];
  100|      1|}
_ZN4bvar14VarMapWithLockC2Ev:
   78|     32|    VarMapWithLock() {
   79|     32|        if (init(1024) != 0) {
  ------------------
  |  Branch (79:13): [True: 0, False: 32]
  ------------------
   80|      0|            LOG(WARNING) << "Fail to init VarMap";
  ------------------
  |  |  485|      0|    BAIDU_LAZY_STREAM(LOG_STREAM(severity), LOG_IS_ON(severity))
  |  |  ------------------
  |  |  |  |  472|      0|    !(condition) ? (void) 0 : ::logging::LogMessageVoidify() & (stream)
  |  |  |  |  ------------------
  |  |  |  |  |  Branch (472:5): [True: 0, False: 0]
  |  |  |  |  ------------------
  |  |  ------------------
  ------------------
   81|      0|        }
   82|       |
   83|     32|        pthread_mutexattr_t attr;
   84|     32|        pthread_mutexattr_init(&attr);
   85|     32|        pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
   86|     32|        pthread_mutex_init(&mutex, &attr);
   87|     32|        pthread_mutexattr_destroy(&attr);
   88|     32|    }
_ZN4bvar8VarEntryC2Ev:
   67|     12|    VarEntry() : var(NULL), display_filter(DISPLAY_ON_ALL) {}

_ZN4bvar8VariableC2Ev:
  120|     13|    Variable() {}
_ZN4bvar8Variable6exposeERKN5butil16BasicStringPieceINSt7__cxx1112basic_stringIcSt11char_traitsIcESaIcEEEEENS_13DisplayFilterE:
  150|     12|               DisplayFilter display_filter = DISPLAY_ON_ALL) {
  151|     12|        return expose_impl(butil::StringPiece(), name, display_filter);
  152|     12|    }

_ZN9mcpack2pb12OutputStream4AreaC2ERKN5butil17LinkerInitializedE:
   47|      1|        Area(const butil::LinkerInitialized&) {}