Line data Source code
1 : // Copyright 2012 the V8 project authors. All rights reserved.
2 : // Use of this source code is governed by a BSD-style license that can be
3 : // found in the LICENSE file.
4 :
5 : #ifndef V8_COUNTERS_H_
6 : #define V8_COUNTERS_H_
7 :
8 : #include "include/v8.h"
9 : #include "src/allocation.h"
10 : #include "src/base/atomic-utils.h"
11 : #include "src/base/platform/elapsed-timer.h"
12 : #include "src/base/platform/time.h"
13 : #include "src/globals.h"
14 : #include "src/isolate.h"
15 : #include "src/objects.h"
16 : #include "src/runtime/runtime.h"
17 : #include "src/tracing/trace-event.h"
18 : #include "src/tracing/traced-value.h"
19 : #include "src/tracing/tracing-category-observer.h"
20 :
21 : namespace v8 {
22 : namespace internal {
23 :
24 : // StatsCounters is an interface for plugging into external
25 : // counters for monitoring. Counters can be looked up and
26 : // manipulated by name.
27 :
28 : class StatsTable {
29 : public:
30 : // Register an application-defined function where
31 : // counters can be looked up.
32 : void SetCounterFunction(CounterLookupCallback f) {
33 6 : lookup_function_ = f;
34 : }
35 :
36 : // Register an application-defined function to create
37 : // a histogram for passing to the AddHistogramSample function
38 : void SetCreateHistogramFunction(CreateHistogramCallback f) {
39 6 : create_histogram_function_ = f;
40 : }
41 :
42 : // Register an application-defined function to add a sample
43 : // to a histogram created with CreateHistogram function
44 : void SetAddHistogramSampleFunction(AddHistogramSampleCallback f) {
45 6 : add_histogram_sample_function_ = f;
46 : }
47 :
48 : bool HasCounterFunction() const {
49 : return lookup_function_ != NULL;
50 : }
51 :
52 : // Lookup the location of a counter by name. If the lookup
53 : // is successful, returns a non-NULL pointer for writing the
54 : // value of the counter. Each thread calling this function
55 : // may receive a different location to store it's counter.
56 : // The return value must not be cached and re-used across
57 : // threads, although a single thread is free to cache it.
58 : int* FindLocation(const char* name) {
59 1183628 : if (!lookup_function_) return NULL;
60 0 : return lookup_function_(name);
61 : }
62 :
63 : // Create a histogram by name. If the create is successful,
64 : // returns a non-NULL pointer for use with AddHistogramSample
65 : // function. min and max define the expected minimum and maximum
66 : // sample values. buckets is the maximum number of buckets
67 : // that the samples will be grouped into.
68 : void* CreateHistogram(const char* name,
69 : int min,
70 : int max,
71 : size_t buckets) {
72 403421 : if (!create_histogram_function_) return NULL;
73 0 : return create_histogram_function_(name, min, max, buckets);
74 : }
75 :
76 : // Add a sample to a histogram created with the CreateHistogram
77 : // function.
78 : void AddHistogramSample(void* histogram, int sample) {
79 0 : if (!add_histogram_sample_function_) return;
80 0 : return add_histogram_sample_function_(histogram, sample);
81 : }
82 :
83 : private:
84 : StatsTable();
85 :
86 : CounterLookupCallback lookup_function_;
87 : CreateHistogramCallback create_histogram_function_;
88 : AddHistogramSampleCallback add_histogram_sample_function_;
89 :
90 : friend class Isolate;
91 :
92 : DISALLOW_COPY_AND_ASSIGN(StatsTable);
93 : };
94 :
95 : // StatsCounters are dynamically created values which can be tracked in
96 : // the StatsTable. They are designed to be lightweight to create and
97 : // easy to use.
98 : //
99 : // Internally, a counter represents a value in a row of a StatsTable.
100 : // The row has a 32bit value for each process/thread in the table and also
101 : // a name (stored in the table metadata). Since the storage location can be
102 : // thread-specific, this class cannot be shared across threads.
103 : class StatsCounter {
104 : public:
105 : StatsCounter() { }
106 : explicit StatsCounter(Isolate* isolate, const char* name)
107 : : isolate_(isolate), name_(name), ptr_(NULL), lookup_done_(false) { }
108 :
109 : // Sets the counter to a specific value.
110 2381511 : void Set(int value) {
111 : int* loc = GetPtr();
112 2381511 : if (loc) *loc = value;
113 2381511 : }
114 :
115 : // Increments the counter.
116 371189678 : void Increment() {
117 : int* loc = GetPtr();
118 371189678 : if (loc) (*loc)++;
119 371189678 : }
120 :
121 29966981 : void Increment(int value) {
122 : int* loc = GetPtr();
123 29966981 : if (loc)
124 0 : (*loc) += value;
125 29966981 : }
126 :
127 : // Decrements the counter.
128 4527398 : void Decrement() {
129 : int* loc = GetPtr();
130 4527398 : if (loc) (*loc)--;
131 4527398 : }
132 :
133 1243619 : void Decrement(int value) {
134 : int* loc = GetPtr();
135 1243619 : if (loc) (*loc) -= value;
136 1243619 : }
137 :
138 : // Is this counter enabled?
139 : // Returns false if table is full.
140 : bool Enabled() {
141 : return GetPtr() != NULL;
142 : }
143 :
144 : // Get the internal pointer to the counter. This is used
145 : // by the code generator to emit code that manipulates a
146 : // given counter without calling the runtime system.
147 : int* GetInternalPointer() {
148 : int* loc = GetPtr();
149 : DCHECK(loc != NULL);
150 : return loc;
151 : }
152 :
153 : // Reset the cached internal pointer.
154 6 : void Reset() { lookup_done_ = false; }
155 :
156 : protected:
157 : // Returns the cached address of this counter location.
158 : int* GetPtr() {
159 409309187 : if (lookup_done_) return ptr_;
160 1183628 : lookup_done_ = true;
161 1183628 : ptr_ = FindLocationInStatsTable();
162 : return ptr_;
163 : }
164 :
165 : private:
166 : int* FindLocationInStatsTable() const;
167 :
168 : Isolate* isolate_;
169 : const char* name_;
170 : int* ptr_;
171 : bool lookup_done_;
172 : };
173 :
174 : // A Histogram represents a dynamically created histogram in the StatsTable.
175 : // It will be registered with the histogram system on first use.
176 : class Histogram {
177 : public:
178 : Histogram() { }
179 : Histogram(const char* name,
180 : int min,
181 : int max,
182 : int num_buckets,
183 : Isolate* isolate)
184 : : name_(name),
185 : min_(min),
186 : max_(max),
187 : num_buckets_(num_buckets),
188 : histogram_(NULL),
189 : lookup_done_(false),
190 : isolate_(isolate) { }
191 :
192 : // Add a single sample to this histogram.
193 : void AddSample(int sample);
194 :
195 : // Returns true if this histogram is enabled.
196 426 : bool Enabled() {
197 426 : return GetHistogram() != NULL;
198 : }
199 :
200 : // Reset the cached internal pointer.
201 : void Reset() {
202 6 : lookup_done_ = false;
203 : }
204 :
205 : const char* name() { return name_; }
206 :
207 : protected:
208 : // Returns the handle to the histogram.
209 : void* GetHistogram() {
210 6971838 : if (!lookup_done_) {
211 403421 : lookup_done_ = true;
212 403421 : histogram_ = CreateHistogram();
213 : }
214 6971838 : return histogram_;
215 : }
216 :
217 : Isolate* isolate() const { return isolate_; }
218 :
219 : private:
220 : void* CreateHistogram() const;
221 :
222 : const char* name_;
223 : int min_;
224 : int max_;
225 : int num_buckets_;
226 : void* histogram_;
227 : bool lookup_done_;
228 : Isolate* isolate_;
229 : };
230 :
231 : // A HistogramTimer allows distributions of results to be created.
232 : class HistogramTimer : public Histogram {
233 : public:
234 : enum Resolution {
235 : MILLISECOND,
236 : MICROSECOND
237 : };
238 :
239 : HistogramTimer() {}
240 : HistogramTimer(const char* name, int min, int max, Resolution resolution,
241 : int num_buckets, Isolate* isolate)
242 : : Histogram(name, min, max, num_buckets, isolate),
243 : resolution_(resolution) {}
244 :
245 : // Start the timer.
246 : void Start();
247 :
248 : // Stop the timer and record the results.
249 : void Stop();
250 :
251 : // Returns true if the timer is running.
252 : bool Running() {
253 : return Enabled() && timer_.IsStarted();
254 : }
255 :
256 : // TODO(bmeurer): Remove this when HistogramTimerScope is fixed.
257 : #ifdef DEBUG
258 : base::ElapsedTimer* timer() { return &timer_; }
259 : #endif
260 :
261 : private:
262 : base::ElapsedTimer timer_;
263 : Resolution resolution_;
264 : };
265 :
266 : // Helper class for scoping a HistogramTimer.
267 : // TODO(bmeurer): The ifdeffery is an ugly hack around the fact that the
268 : // Parser is currently reentrant (when it throws an error, we call back
269 : // into JavaScript and all bets are off), but ElapsedTimer is not
270 : // reentry-safe. Fix this properly and remove |allow_nesting|.
271 : class HistogramTimerScope BASE_EMBEDDED {
272 : public:
273 : explicit HistogramTimerScope(HistogramTimer* timer,
274 : bool allow_nesting = false)
275 : #ifdef DEBUG
276 : : timer_(timer),
277 : skipped_timer_start_(false) {
278 : if (timer_->timer()->IsStarted() && allow_nesting) {
279 : skipped_timer_start_ = true;
280 : } else {
281 : timer_->Start();
282 : }
283 : }
284 : #else
285 : : timer_(timer) {
286 2252542 : timer_->Start();
287 : }
288 : #endif
289 : ~HistogramTimerScope() {
290 : #ifdef DEBUG
291 : if (!skipped_timer_start_) {
292 : timer_->Stop();
293 : }
294 : #else
295 2252540 : timer_->Stop();
296 : #endif
297 : }
298 :
299 : private:
300 : HistogramTimer* timer_;
301 : #ifdef DEBUG
302 : bool skipped_timer_start_;
303 : #endif
304 : };
305 :
306 :
307 : // A histogram timer that can aggregate events within a larger scope.
308 : //
309 : // Intended use of this timer is to have an outer (aggregating) and an inner
310 : // (to be aggregated) scope, where the inner scope measure the time of events,
311 : // and all those inner scope measurements will be summed up by the outer scope.
312 : // An example use might be to aggregate the time spent in lazy compilation
313 : // while running a script.
314 : //
315 : // Helpers:
316 : // - AggregatingHistogramTimerScope, the "outer" scope within which
317 : // times will be summed up.
318 : // - AggregatedHistogramTimerScope, the "inner" scope which defines the
319 : // events to be timed.
320 60782 : class AggregatableHistogramTimer : public Histogram {
321 : public:
322 : AggregatableHistogramTimer() {}
323 : AggregatableHistogramTimer(const char* name, int min, int max,
324 : int num_buckets, Isolate* isolate)
325 : : Histogram(name, min, max, num_buckets, isolate) {}
326 :
327 : // Start/stop the "outer" scope.
328 : void Start() { time_ = base::TimeDelta(); }
329 336144 : void Stop() { AddSample(static_cast<int>(time_.InMicroseconds())); }
330 :
331 : // Add a time value ("inner" scope).
332 : void Add(base::TimeDelta other) { time_ += other; }
333 :
334 : private:
335 : base::TimeDelta time_;
336 : };
337 :
338 : // A helper class for use with AggregatableHistogramTimer. This is the
339 : // // outer-most timer scope used with an AggregatableHistogramTimer. It will
340 : // // aggregate the information from the inner AggregatedHistogramTimerScope.
341 : class AggregatingHistogramTimerScope {
342 : public:
343 : explicit AggregatingHistogramTimerScope(AggregatableHistogramTimer* histogram)
344 : : histogram_(histogram) {
345 : histogram_->Start();
346 : }
347 : ~AggregatingHistogramTimerScope() { histogram_->Stop(); }
348 :
349 : private:
350 : AggregatableHistogramTimer* histogram_;
351 : };
352 :
353 : // A helper class for use with AggregatableHistogramTimer, the "inner" scope
354 : // // which defines the events to be timed.
355 : class AggregatedHistogramTimerScope {
356 : public:
357 : explicit AggregatedHistogramTimerScope(AggregatableHistogramTimer* histogram)
358 1157703 : : histogram_(histogram) {
359 : timer_.Start();
360 : }
361 3473109 : ~AggregatedHistogramTimerScope() { histogram_->Add(timer_.Elapsed()); }
362 :
363 : private:
364 : base::ElapsedTimer timer_;
365 : AggregatableHistogramTimer* histogram_;
366 : };
367 :
368 :
369 : // AggretatedMemoryHistogram collects (time, value) sample pairs and turns
370 : // them into time-uniform samples for the backing historgram, such that the
371 : // backing histogram receives one sample every T ms, where the T is controlled
372 : // by the FLAG_histogram_interval.
373 : //
374 : // More formally: let F be a real-valued function that maps time to sample
375 : // values. We define F as a linear interpolation between adjacent samples. For
376 : // each time interval [x; x + T) the backing histogram gets one sample value
377 : // that is the average of F(t) in the interval.
378 : template <typename Histogram>
379 : class AggregatedMemoryHistogram {
380 : public:
381 : AggregatedMemoryHistogram()
382 : : is_initialized_(false),
383 : start_ms_(0.0),
384 : last_ms_(0.0),
385 : aggregate_value_(0.0),
386 : last_value_(0.0),
387 60782 : backing_histogram_(NULL) {}
388 :
389 : explicit AggregatedMemoryHistogram(Histogram* backing_histogram)
390 : : AggregatedMemoryHistogram() {
391 : backing_histogram_ = backing_histogram;
392 : }
393 :
394 : // Invariants that hold before and after AddSample if
395 : // is_initialized_ is true:
396 : //
397 : // 1) For we processed samples that came in before start_ms_ and sent the
398 : // corresponding aggregated samples to backing histogram.
399 : // 2) (last_ms_, last_value_) is the last received sample.
400 : // 3) last_ms_ < start_ms_ + FLAG_histogram_interval.
401 : // 4) aggregate_value_ is the average of the function that is constructed by
402 : // linearly interpolating samples received between start_ms_ and last_ms_.
403 : void AddSample(double current_ms, double current_value);
404 :
405 : private:
406 : double Aggregate(double current_ms, double current_value);
407 : bool is_initialized_;
408 : double start_ms_;
409 : double last_ms_;
410 : double aggregate_value_;
411 : double last_value_;
412 : Histogram* backing_histogram_;
413 : };
414 :
415 :
416 : template <typename Histogram>
417 499938 : void AggregatedMemoryHistogram<Histogram>::AddSample(double current_ms,
418 : double current_value) {
419 499938 : if (!is_initialized_) {
420 24120 : aggregate_value_ = current_value;
421 24120 : start_ms_ = current_ms;
422 24120 : last_value_ = current_value;
423 24120 : last_ms_ = current_ms;
424 24120 : is_initialized_ = true;
425 : } else {
426 : const double kEpsilon = 1e-6;
427 : const int kMaxSamples = 1000;
428 475818 : if (current_ms < last_ms_ + kEpsilon) {
429 : // Two samples have the same time, remember the last one.
430 24 : last_value_ = current_value;
431 : } else {
432 475794 : double sample_interval_ms = FLAG_histogram_interval;
433 475794 : double end_ms = start_ms_ + sample_interval_ms;
434 475794 : if (end_ms <= current_ms + kEpsilon) {
435 : // Linearly interpolate between the last_ms_ and the current_ms.
436 0 : double slope = (current_value - last_value_) / (current_ms - last_ms_);
437 : int i;
438 : // Send aggregated samples to the backing histogram from the start_ms
439 : // to the current_ms.
440 0 : for (i = 0; i < kMaxSamples && end_ms <= current_ms + kEpsilon; i++) {
441 0 : double end_value = last_value_ + (end_ms - last_ms_) * slope;
442 : double sample_value;
443 0 : if (i == 0) {
444 : // Take aggregate_value_ into account.
445 : sample_value = Aggregate(end_ms, end_value);
446 : } else {
447 : // There is no aggregate_value_ for i > 0.
448 0 : sample_value = (last_value_ + end_value) / 2;
449 : }
450 0 : backing_histogram_->AddSample(static_cast<int>(sample_value + 0.5));
451 0 : last_value_ = end_value;
452 0 : last_ms_ = end_ms;
453 0 : end_ms += sample_interval_ms;
454 : }
455 0 : if (i == kMaxSamples) {
456 : // We hit the sample limit, ignore the remaining samples.
457 0 : aggregate_value_ = current_value;
458 0 : start_ms_ = current_ms;
459 : } else {
460 0 : aggregate_value_ = last_value_;
461 0 : start_ms_ = last_ms_;
462 : }
463 : }
464 475794 : aggregate_value_ = current_ms > start_ms_ + kEpsilon
465 : ? Aggregate(current_ms, current_value)
466 : : aggregate_value_;
467 475794 : last_value_ = current_value;
468 475794 : last_ms_ = current_ms;
469 : }
470 : }
471 499938 : }
472 :
473 :
474 : template <typename Histogram>
475 : double AggregatedMemoryHistogram<Histogram>::Aggregate(double current_ms,
476 : double current_value) {
477 475794 : double interval_ms = current_ms - start_ms_;
478 475794 : double value = (current_value + last_value_) / 2;
479 : // The aggregate_value_ is the average for [start_ms_; last_ms_].
480 : // The value is the average for [last_ms_; current_ms].
481 : // Return the weighted average of the aggregate_value_ and the value.
482 : return aggregate_value_ * ((last_ms_ - start_ms_) / interval_ms) +
483 475794 : value * ((current_ms - last_ms_) / interval_ms);
484 : }
485 :
486 : class RuntimeCallCounter final {
487 : public:
488 : explicit RuntimeCallCounter(const char* name)
489 2077457 : : name_(name), count_(0), time_(0) {}
490 : V8_NOINLINE void Reset();
491 : V8_NOINLINE void Dump(v8::tracing::TracedValue* value);
492 : void Add(RuntimeCallCounter* other);
493 :
494 : const char* name() const { return name_; }
495 : int64_t count() const { return count_; }
496 : base::TimeDelta time() const {
497 : return base::TimeDelta::FromMicroseconds(time_);
498 : }
499 0 : void Increment() { count_++; }
500 0 : void Add(base::TimeDelta delta) { time_ += delta.InMicroseconds(); }
501 :
502 : private:
503 : RuntimeCallCounter() {}
504 :
505 : const char* name_;
506 : int64_t count_;
507 : // Stored as int64_t so that its initialization can be deferred.
508 : int64_t time_;
509 :
510 : friend class RuntimeCallStats;
511 : };
512 :
513 : // RuntimeCallTimer is used to keep track of the stack of currently active
514 : // timers used for properly measuring the own time of a RuntimeCallCounter.
515 688130990 : class RuntimeCallTimer final {
516 : public:
517 : RuntimeCallCounter* counter() { return counter_; }
518 0 : void set_counter(RuntimeCallCounter* counter) { counter_ = counter; }
519 : RuntimeCallTimer* parent() const { return parent_.Value(); }
520 : void set_parent(RuntimeCallTimer* timer) { parent_.SetValue(timer); }
521 : const char* name() const { return counter_->name(); }
522 :
523 : inline bool IsStarted();
524 :
525 : inline void Start(RuntimeCallCounter* counter, RuntimeCallTimer* parent);
526 : void Snapshot();
527 : inline RuntimeCallTimer* Stop();
528 :
529 : private:
530 : inline void Pause(base::TimeTicks now);
531 : inline void Resume(base::TimeTicks now);
532 : inline void CommitTimeToCounter();
533 : inline base::TimeTicks Now();
534 :
535 : RuntimeCallCounter* counter_ = nullptr;
536 : base::AtomicValue<RuntimeCallTimer*> parent_;
537 : base::TimeTicks start_ticks_;
538 : base::TimeDelta elapsed_;
539 : };
540 :
541 : #define FOR_EACH_API_COUNTER(V) \
542 : V(ArrayBuffer_Cast) \
543 : V(ArrayBuffer_Neuter) \
544 : V(ArrayBuffer_New) \
545 : V(Array_CloneElementAt) \
546 : V(Array_New) \
547 : V(BooleanObject_BooleanValue) \
548 : V(BooleanObject_New) \
549 : V(Context_New) \
550 : V(Context_NewRemoteContext) \
551 : V(DataView_New) \
552 : V(Date_DateTimeConfigurationChangeNotification) \
553 : V(Date_New) \
554 : V(Date_NumberValue) \
555 : V(Debug_Call) \
556 : V(Error_New) \
557 : V(External_New) \
558 : V(Float32Array_New) \
559 : V(Float64Array_New) \
560 : V(Function_Call) \
561 : V(Function_New) \
562 : V(Function_NewInstance) \
563 : V(FunctionTemplate_GetFunction) \
564 : V(FunctionTemplate_New) \
565 : V(FunctionTemplate_NewRemoteInstance) \
566 : V(FunctionTemplate_NewWithCache) \
567 : V(FunctionTemplate_NewWithFastHandler) \
568 : V(Int16Array_New) \
569 : V(Int32Array_New) \
570 : V(Int8Array_New) \
571 : V(JSON_Parse) \
572 : V(JSON_Stringify) \
573 : V(Map_AsArray) \
574 : V(Map_Clear) \
575 : V(Map_Delete) \
576 : V(Map_Get) \
577 : V(Map_Has) \
578 : V(Map_New) \
579 : V(Map_Set) \
580 : V(Message_GetEndColumn) \
581 : V(Message_GetLineNumber) \
582 : V(Message_GetSourceLine) \
583 : V(Message_GetStartColumn) \
584 : V(Module_FinishDynamicImportSuccess) \
585 : V(Module_FinishDynamicImportFailure) \
586 : V(Module_Evaluate) \
587 : V(Module_Instantiate) \
588 : V(NumberObject_New) \
589 : V(NumberObject_NumberValue) \
590 : V(Object_CallAsConstructor) \
591 : V(Object_CallAsFunction) \
592 : V(Object_CreateDataProperty) \
593 : V(Object_DefineOwnProperty) \
594 : V(Object_DefineProperty) \
595 : V(Object_Delete) \
596 : V(Object_DeleteProperty) \
597 : V(Object_ForceSet) \
598 : V(Object_Get) \
599 : V(Object_GetOwnPropertyDescriptor) \
600 : V(Object_GetOwnPropertyNames) \
601 : V(Object_GetPropertyAttributes) \
602 : V(Object_GetPropertyNames) \
603 : V(Object_GetRealNamedProperty) \
604 : V(Object_GetRealNamedPropertyAttributes) \
605 : V(Object_GetRealNamedPropertyAttributesInPrototypeChain) \
606 : V(Object_GetRealNamedPropertyInPrototypeChain) \
607 : V(Object_HasOwnProperty) \
608 : V(Object_HasRealIndexedProperty) \
609 : V(Object_HasRealNamedCallbackProperty) \
610 : V(Object_HasRealNamedProperty) \
611 : V(Object_Int32Value) \
612 : V(Object_IntegerValue) \
613 : V(Object_New) \
614 : V(Object_NumberValue) \
615 : V(Object_ObjectProtoToString) \
616 : V(Object_Set) \
617 : V(Object_SetAccessor) \
618 : V(Object_SetIntegrityLevel) \
619 : V(Object_SetPrivate) \
620 : V(Object_SetPrototype) \
621 : V(ObjectTemplate_New) \
622 : V(ObjectTemplate_NewInstance) \
623 : V(Object_ToArrayIndex) \
624 : V(Object_ToDetailString) \
625 : V(Object_ToInt32) \
626 : V(Object_ToInteger) \
627 : V(Object_ToNumber) \
628 : V(Object_ToObject) \
629 : V(Object_ToString) \
630 : V(Object_ToUint32) \
631 : V(Object_Uint32Value) \
632 : V(Persistent_New) \
633 : V(Private_New) \
634 : V(Promise_Catch) \
635 : V(Promise_Chain) \
636 : V(Promise_HasRejectHandler) \
637 : V(Promise_Resolver_New) \
638 : V(Promise_Resolver_Resolve) \
639 : V(Promise_Result) \
640 : V(Promise_Status) \
641 : V(Promise_Then) \
642 : V(Proxy_New) \
643 : V(RangeError_New) \
644 : V(ReferenceError_New) \
645 : V(RegExp_New) \
646 : V(ScriptCompiler_Compile) \
647 : V(ScriptCompiler_CompileFunctionInContext) \
648 : V(ScriptCompiler_CompileUnbound) \
649 : V(Script_Run) \
650 : V(Set_Add) \
651 : V(Set_AsArray) \
652 : V(Set_Clear) \
653 : V(Set_Delete) \
654 : V(Set_Has) \
655 : V(Set_New) \
656 : V(SharedArrayBuffer_New) \
657 : V(String_Concat) \
658 : V(String_NewExternalOneByte) \
659 : V(String_NewExternalTwoByte) \
660 : V(String_NewFromOneByte) \
661 : V(String_NewFromTwoByte) \
662 : V(String_NewFromUtf8) \
663 : V(StringObject_New) \
664 : V(StringObject_StringValue) \
665 : V(String_Write) \
666 : V(String_WriteUtf8) \
667 : V(Symbol_New) \
668 : V(SymbolObject_New) \
669 : V(SymbolObject_SymbolValue) \
670 : V(SyntaxError_New) \
671 : V(TryCatch_StackTrace) \
672 : V(TypeError_New) \
673 : V(Uint16Array_New) \
674 : V(Uint32Array_New) \
675 : V(Uint8Array_New) \
676 : V(Uint8ClampedArray_New) \
677 : V(UnboundScript_GetId) \
678 : V(UnboundScript_GetLineNumber) \
679 : V(UnboundScript_GetName) \
680 : V(UnboundScript_GetSourceMappingURL) \
681 : V(UnboundScript_GetSourceURL) \
682 : V(Value_InstanceOf) \
683 : V(Value_TypeOf) \
684 : V(ValueDeserializer_ReadHeader) \
685 : V(ValueDeserializer_ReadValue) \
686 : V(ValueSerializer_WriteValue)
687 :
688 : #define FOR_EACH_MANUAL_COUNTER(V) \
689 : V(AccessorGetterCallback) \
690 : V(AccessorNameGetterCallback) \
691 : V(AccessorNameGetterCallback_ArrayLength) \
692 : V(AccessorNameGetterCallback_BoundFunctionLength) \
693 : V(AccessorNameGetterCallback_BoundFunctionName) \
694 : V(AccessorNameGetterCallback_FunctionPrototype) \
695 : V(AccessorNameGetterCallback_StringLength) \
696 : V(AccessorNameSetterCallback) \
697 : V(CompileCodeLazy) \
698 : V(CompileDeserialize) \
699 : V(CompileEval) \
700 : V(CompileFullCode) \
701 : V(CompileAnalyse) \
702 : V(CompileBackgroundIgnition) \
703 : V(CompileFunction) \
704 : V(CompileGetFromOptimizedCodeMap) \
705 : V(CompileGetUnoptimizedCode) \
706 : V(CompileIgnition) \
707 : V(CompileIgnitionFinalization) \
708 : V(CompileInnerFunction) \
709 : V(CompileRenumber) \
710 : V(CompileRewriteReturnResult) \
711 : V(CompileScopeAnalysis) \
712 : V(CompileScript) \
713 : V(CompileSerialize) \
714 : V(CompileWaitForDispatcher) \
715 : V(DeoptimizeCode) \
716 : V(FunctionCallback) \
717 : V(GC) \
718 : V(GC_AllAvailableGarbage) \
719 : V(GCEpilogueCallback) \
720 : V(GCPrologueCallback) \
721 : V(GenericNamedPropertyDefinerCallback) \
722 : V(GenericNamedPropertyDeleterCallback) \
723 : V(GenericNamedPropertyDescriptorCallback) \
724 : V(GenericNamedPropertyQueryCallback) \
725 : V(GenericNamedPropertySetterCallback) \
726 : V(GetMoreDataCallback) \
727 : V(IndexedPropertyDefinerCallback) \
728 : V(IndexedPropertyDeleterCallback) \
729 : V(IndexedPropertyDescriptorCallback) \
730 : V(IndexedPropertyGetterCallback) \
731 : V(IndexedPropertyQueryCallback) \
732 : V(IndexedPropertySetterCallback) \
733 : V(InvokeApiInterruptCallbacks) \
734 : V(InvokeFunctionCallback) \
735 : V(JS_Execution) \
736 : V(Map_SetPrototype) \
737 : V(Map_TransitionToAccessorProperty) \
738 : V(Map_TransitionToDataProperty) \
739 : V(Object_DeleteProperty) \
740 : V(OptimizeCode) \
741 : V(ParseArrowFunctionLiteral) \
742 : V(ParseBackgroundArrowFunctionLiteral) \
743 : V(ParseBackgroundFunctionLiteral) \
744 : V(ParseEval) \
745 : V(ParseFunction) \
746 : V(ParseFunctionLiteral) \
747 : V(ParseProgram) \
748 : V(PreParseArrowFunctionLiteral) \
749 : V(PreParseBackgroundArrowFunctionLiteral) \
750 : V(PreParseBackgroundNoVariableResolution) \
751 : V(PreParseBackgroundWithVariableResolution) \
752 : V(PreParseNoVariableResolution) \
753 : V(PreParseWithVariableResolution) \
754 : V(PropertyCallback) \
755 : V(PrototypeMap_TransitionToAccessorProperty) \
756 : V(PrototypeMap_TransitionToDataProperty) \
757 : V(PrototypeObject_DeleteProperty) \
758 : V(RecompileConcurrent) \
759 : V(RecompileSynchronous) \
760 : V(TestCounter1) \
761 : V(TestCounter2) \
762 : V(TestCounter3) \
763 : /* Dummy counter for the unexpected stub miss. */ \
764 : V(UnexpectedStubMiss)
765 :
766 : #define FOR_EACH_HANDLER_COUNTER(V) \
767 : V(KeyedLoadIC_LoadIndexedStringStub) \
768 : V(KeyedLoadIC_LoadIndexedInterceptorStub) \
769 : V(KeyedLoadIC_KeyedLoadSloppyArgumentsStub) \
770 : V(KeyedLoadIC_LoadElementDH) \
771 : V(KeyedLoadIC_SlowStub) \
772 : V(KeyedStoreIC_ElementsTransitionAndStoreStub) \
773 : V(KeyedStoreIC_KeyedStoreSloppyArgumentsStub) \
774 : V(KeyedStoreIC_SlowStub) \
775 : V(KeyedStoreIC_StoreFastElementStub) \
776 : V(KeyedStoreIC_StoreElementStub) \
777 : V(LoadIC_FunctionPrototypeStub) \
778 : V(LoadIC_HandlerCacheHit_Accessor) \
779 : V(LoadIC_LoadAccessorDH) \
780 : V(LoadIC_LoadAccessorFromPrototypeDH) \
781 : V(LoadIC_LoadApiGetterDH) \
782 : V(LoadIC_LoadApiGetterFromPrototypeDH) \
783 : V(LoadIC_LoadCallback) \
784 : V(LoadIC_LoadConstantDH) \
785 : V(LoadIC_LoadConstantFromPrototypeDH) \
786 : V(LoadIC_LoadFieldDH) \
787 : V(LoadIC_LoadFieldFromPrototypeDH) \
788 : V(LoadIC_LoadGlobalFromPrototypeDH) \
789 : V(LoadIC_LoadIntegerIndexedExoticDH) \
790 : V(LoadIC_LoadInterceptorDH) \
791 : V(LoadIC_LoadNonMaskingInterceptorDH) \
792 : V(LoadIC_LoadInterceptorFromPrototypeDH) \
793 : V(LoadIC_LoadNonexistentDH) \
794 : V(LoadIC_LoadNormalDH) \
795 : V(LoadIC_LoadNormalFromPrototypeDH) \
796 : V(LoadIC_LoadScriptContextFieldStub) \
797 : V(LoadIC_LoadViaGetter) \
798 : V(LoadIC_NonReceiver) \
799 : V(LoadIC_Premonomorphic) \
800 : V(LoadIC_SlowStub) \
801 : V(LoadIC_StringLengthStub) \
802 : V(StoreIC_HandlerCacheHit_Accessor) \
803 : V(StoreIC_NonReceiver) \
804 : V(StoreIC_Premonomorphic) \
805 : V(StoreIC_SlowStub) \
806 : V(StoreIC_StoreCallback) \
807 : V(StoreIC_StoreFieldDH) \
808 : V(StoreIC_StoreGlobalDH) \
809 : V(StoreIC_StoreGlobalTransitionDH) \
810 : V(StoreIC_StoreInterceptorStub) \
811 : V(StoreIC_StoreNormalDH) \
812 : V(StoreIC_StoreScriptContextFieldStub) \
813 : V(StoreIC_StoreTransitionDH) \
814 : V(StoreIC_StoreViaSetter)
815 :
816 : class RuntimeCallStats final : public ZoneObject {
817 : public:
818 : typedef RuntimeCallCounter RuntimeCallStats::*CounterId;
819 : V8_EXPORT_PRIVATE RuntimeCallStats();
820 :
821 : #define CALL_RUNTIME_COUNTER(name) RuntimeCallCounter name;
822 : FOR_EACH_MANUAL_COUNTER(CALL_RUNTIME_COUNTER)
823 : #undef CALL_RUNTIME_COUNTER
824 : #define CALL_RUNTIME_COUNTER(name, nargs, ressize) \
825 : RuntimeCallCounter Runtime_##name;
826 : FOR_EACH_INTRINSIC(CALL_RUNTIME_COUNTER)
827 : #undef CALL_RUNTIME_COUNTER
828 : #define CALL_BUILTIN_COUNTER(name) RuntimeCallCounter Builtin_##name;
829 : BUILTIN_LIST_C(CALL_BUILTIN_COUNTER)
830 : #undef CALL_BUILTIN_COUNTER
831 : #define CALL_BUILTIN_COUNTER(name) RuntimeCallCounter API_##name;
832 : FOR_EACH_API_COUNTER(CALL_BUILTIN_COUNTER)
833 : #undef CALL_BUILTIN_COUNTER
834 : #define CALL_BUILTIN_COUNTER(name) RuntimeCallCounter Handler_##name;
835 : FOR_EACH_HANDLER_COUNTER(CALL_BUILTIN_COUNTER)
836 : #undef CALL_BUILTIN_COUNTER
837 :
838 : static const CounterId counters[];
839 : static const int counters_count;
840 :
841 : // Starting measuring the time for a function. This will establish the
842 : // connection to the parent counter for properly calculating the own times.
843 : V8_EXPORT_PRIVATE static void Enter(RuntimeCallStats* stats,
844 : RuntimeCallTimer* timer,
845 : CounterId counter_id);
846 :
847 : // Leave a scope for a measured runtime function. This will properly add
848 : // the time delta to the current_counter and subtract the delta from its
849 : // parent.
850 : V8_EXPORT_PRIVATE static void Leave(RuntimeCallStats* stats,
851 : RuntimeCallTimer* timer);
852 :
853 : // Set counter id for the innermost measurement. It can be used to refine
854 : // event kind when a runtime entry counter is too generic.
855 : V8_EXPORT_PRIVATE static void CorrectCurrentCounterId(RuntimeCallStats* stats,
856 : CounterId counter_id);
857 :
858 : V8_EXPORT_PRIVATE void Reset();
859 : // Add all entries from another stats object.
860 : void Add(RuntimeCallStats* other);
861 : V8_EXPORT_PRIVATE void Print(std::ostream& os);
862 : V8_NOINLINE void Dump(v8::tracing::TracedValue* value);
863 :
864 : RuntimeCallTimer* current_timer() { return current_timer_.Value(); }
865 : RuntimeCallCounter* current_counter() { return current_counter_.Value(); }
866 : bool InUse() { return in_use_; }
867 :
868 : private:
869 : // Top of a stack of active timers.
870 : base::AtomicValue<RuntimeCallTimer*> current_timer_;
871 : // Active counter object associated with current timer.
872 : base::AtomicValue<RuntimeCallCounter*> current_counter_;
873 : // Used to track nested tracing scopes.
874 : bool in_use_;
875 : };
876 :
877 : #define CHANGE_CURRENT_RUNTIME_COUNTER(runtime_call_stats, counter_name) \
878 : do { \
879 : if (V8_UNLIKELY(FLAG_runtime_stats)) { \
880 : RuntimeCallStats::CorrectCurrentCounterId( \
881 : runtime_call_stats, &RuntimeCallStats::counter_name); \
882 : } \
883 : } while (false)
884 :
885 : #define TRACE_HANDLER_STATS(isolate, counter_name) \
886 : CHANGE_CURRENT_RUNTIME_COUNTER(isolate->counters()->runtime_call_stats(), \
887 : Handler_##counter_name)
888 :
889 : // A RuntimeCallTimerScopes wraps around a RuntimeCallTimer to measure the
890 : // the time of C++ scope.
891 : class RuntimeCallTimerScope {
892 : public:
893 : inline RuntimeCallTimerScope(Isolate* isolate,
894 : RuntimeCallStats::CounterId counter_id);
895 : // This constructor is here just to avoid calling GetIsolate() when the
896 : // stats are disabled and the isolate is not directly available.
897 : inline RuntimeCallTimerScope(HeapObject* heap_object,
898 : RuntimeCallStats::CounterId counter_id);
899 : inline RuntimeCallTimerScope(RuntimeCallStats* stats,
900 : RuntimeCallStats::CounterId counter_id);
901 :
902 : inline ~RuntimeCallTimerScope() {
903 682898152 : if (V8_UNLIKELY(stats_ != nullptr)) {
904 0 : RuntimeCallStats::Leave(stats_, &timer_);
905 : }
906 : }
907 :
908 : private:
909 : V8_INLINE void Initialize(RuntimeCallStats* stats,
910 : RuntimeCallStats::CounterId counter_id) {
911 0 : stats_ = stats;
912 0 : RuntimeCallStats::Enter(stats_, &timer_, counter_id);
913 : }
914 :
915 : RuntimeCallStats* stats_ = nullptr;
916 : RuntimeCallTimer timer_;
917 : };
918 :
919 : #define HISTOGRAM_RANGE_LIST(HR) \
920 : /* Generic range histograms */ \
921 : HR(detached_context_age_in_gc, V8.DetachedContextAgeInGC, 0, 20, 21) \
922 : HR(gc_idle_time_allotted_in_ms, V8.GCIdleTimeAllottedInMS, 0, 10000, 101) \
923 : HR(gc_idle_time_limit_overshot, V8.GCIdleTimeLimit.Overshot, 0, 10000, 101) \
924 : HR(gc_idle_time_limit_undershot, V8.GCIdleTimeLimit.Undershot, 0, 10000, \
925 : 101) \
926 : HR(code_cache_reject_reason, V8.CodeCacheRejectReason, 1, 6, 6) \
927 : HR(errors_thrown_per_context, V8.ErrorsThrownPerContext, 0, 200, 20) \
928 : HR(debug_feature_usage, V8.DebugFeatureUsage, 1, 7, 7) \
929 : HR(incremental_marking_reason, V8.GCIncrementalMarkingReason, 0, 21, 22) \
930 : HR(mark_compact_reason, V8.GCMarkCompactReason, 0, 21, 22) \
931 : HR(scavenge_reason, V8.GCScavengeReason, 0, 21, 22) \
932 : HR(young_generation_handling, V8.GCYoungGenerationHandling, 0, 2, 3) \
933 : /* Asm/Wasm. */ \
934 : HR(wasm_functions_per_asm_module, V8.WasmFunctionsPerModule.asm, 1, 100000, \
935 : 51) \
936 : HR(wasm_functions_per_wasm_module, V8.WasmFunctionsPerModule.wasm, 1, \
937 : 100000, 51) \
938 : HR(array_buffer_big_allocations, V8.ArrayBufferBigAllocations, 0, 4096, 13) \
939 : HR(array_buffer_new_size_failures, V8.ArrayBufferNewSizeFailures, 0, 4096, 13)
940 :
941 : #define HISTOGRAM_TIMER_LIST(HT) \
942 : /* Garbage collection timers. */ \
943 : HT(gc_compactor, V8.GCCompactor, 10000, MILLISECOND) \
944 : HT(gc_finalize, V8.GCFinalizeMC, 10000, MILLISECOND) \
945 : HT(gc_finalize_reduce_memory, V8.GCFinalizeMCReduceMemory, 10000, \
946 : MILLISECOND) \
947 : HT(gc_scavenger, V8.GCScavenger, 10000, MILLISECOND) \
948 : HT(gc_context, V8.GCContext, 10000, \
949 : MILLISECOND) /* GC context cleanup time */ \
950 : HT(gc_idle_notification, V8.GCIdleNotification, 10000, MILLISECOND) \
951 : HT(gc_incremental_marking, V8.GCIncrementalMarking, 10000, MILLISECOND) \
952 : HT(gc_incremental_marking_start, V8.GCIncrementalMarkingStart, 10000, \
953 : MILLISECOND) \
954 : HT(gc_incremental_marking_finalize, V8.GCIncrementalMarkingFinalize, 10000, \
955 : MILLISECOND) \
956 : HT(gc_low_memory_notification, V8.GCLowMemoryNotification, 10000, \
957 : MILLISECOND) \
958 : /* Compilation times. */ \
959 : HT(compile, V8.CompileMicroSeconds, 1000000, MICROSECOND) \
960 : HT(compile_eval, V8.CompileEvalMicroSeconds, 1000000, MICROSECOND) \
961 : /* Serialization as part of compilation (code caching) */ \
962 : HT(compile_serialize, V8.CompileSerializeMicroSeconds, 100000, MICROSECOND) \
963 : HT(compile_deserialize, V8.CompileDeserializeMicroSeconds, 1000000, \
964 : MICROSECOND) \
965 : /* Total compilation time incl. caching/parsing */ \
966 : HT(compile_script, V8.CompileScriptMicroSeconds, 1000000, MICROSECOND) \
967 : /* Total JavaScript execution time (including callbacks and runtime calls */ \
968 : HT(execute, V8.Execute, 1000000, MICROSECOND) \
969 : /* Asm/Wasm */ \
970 : HT(wasm_instantiate_asm_module_time, \
971 : V8.WasmInstantiateModuleMicroSeconds.asm, 10000000, MICROSECOND) \
972 : HT(wasm_instantiate_wasm_module_time, \
973 : V8.WasmInstantiateModuleMicroSeconds.wasm, 10000000, MICROSECOND) \
974 : HT(wasm_decode_asm_module_time, V8.WasmDecodeModuleMicroSeconds.asm, \
975 : 1000000, MICROSECOND) \
976 : HT(wasm_decode_wasm_module_time, V8.WasmDecodeModuleMicroSeconds.wasm, \
977 : 1000000, MICROSECOND) \
978 : HT(wasm_decode_asm_function_time, V8.WasmDecodeFunctionMicroSeconds.asm, \
979 : 1000000, MICROSECOND) \
980 : HT(wasm_decode_wasm_function_time, V8.WasmDecodeFunctionMicroSeconds.wasm, \
981 : 1000000, MICROSECOND) \
982 : HT(wasm_compile_asm_module_time, V8.WasmCompileModuleMicroSeconds.asm, \
983 : 10000000, MICROSECOND) \
984 : HT(wasm_compile_wasm_module_time, V8.WasmCompileModuleMicroSeconds.wasm, \
985 : 10000000, MICROSECOND) \
986 : HT(wasm_compile_function_time, V8.WasmCompileFunctionMicroSeconds, 1000000, \
987 : MICROSECOND) \
988 : HT(asm_wasm_translation_time, V8.AsmWasmTranslationMicroSeconds, 1000000, \
989 : MICROSECOND) \
990 : HT(wasm_lazy_compilation_time, V8.WasmLazyCompilationMicroSeconds, 1000000, \
991 : MICROSECOND)
992 :
993 : #define AGGREGATABLE_HISTOGRAM_TIMER_LIST(AHT) \
994 : AHT(compile_lazy, V8.CompileLazyMicroSeconds)
995 :
996 : #define HISTOGRAM_PERCENTAGE_LIST(HP) \
997 : /* Heap fragmentation. */ \
998 : HP(external_fragmentation_total, V8.MemoryExternalFragmentationTotal) \
999 : HP(external_fragmentation_old_space, V8.MemoryExternalFragmentationOldSpace) \
1000 : HP(external_fragmentation_code_space, \
1001 : V8.MemoryExternalFragmentationCodeSpace) \
1002 : HP(external_fragmentation_map_space, V8.MemoryExternalFragmentationMapSpace) \
1003 : HP(external_fragmentation_lo_space, V8.MemoryExternalFragmentationLoSpace) \
1004 : /* Percentages of heap committed to each space. */ \
1005 : HP(heap_fraction_new_space, V8.MemoryHeapFractionNewSpace) \
1006 : HP(heap_fraction_old_space, V8.MemoryHeapFractionOldSpace) \
1007 : HP(heap_fraction_code_space, V8.MemoryHeapFractionCodeSpace) \
1008 : HP(heap_fraction_map_space, V8.MemoryHeapFractionMapSpace) \
1009 : HP(heap_fraction_lo_space, V8.MemoryHeapFractionLoSpace)
1010 :
1011 : #define HISTOGRAM_LEGACY_MEMORY_LIST(HM) \
1012 : HM(heap_sample_total_committed, V8.MemoryHeapSampleTotalCommitted) \
1013 : HM(heap_sample_total_used, V8.MemoryHeapSampleTotalUsed) \
1014 : HM(heap_sample_map_space_committed, V8.MemoryHeapSampleMapSpaceCommitted) \
1015 : HM(heap_sample_code_space_committed, V8.MemoryHeapSampleCodeSpaceCommitted) \
1016 : HM(heap_sample_maximum_committed, V8.MemoryHeapSampleMaximumCommitted)
1017 :
1018 : #define HISTOGRAM_MEMORY_LIST(HM) \
1019 : HM(memory_heap_committed, V8.MemoryHeapCommitted) \
1020 : HM(memory_heap_used, V8.MemoryHeapUsed) \
1021 : /* Asm/Wasm */ \
1022 : HM(wasm_decode_asm_module_peak_memory_bytes, \
1023 : V8.WasmDecodeModulePeakMemoryBytes.asm) \
1024 : HM(wasm_decode_wasm_module_peak_memory_bytes, \
1025 : V8.WasmDecodeModulePeakMemoryBytes.wasm) \
1026 : HM(wasm_compile_function_peak_memory_bytes, \
1027 : V8.WasmCompileFunctionPeakMemoryBytes) \
1028 : HM(wasm_asm_min_mem_pages_count, V8.WasmMinMemPagesCount.asm) \
1029 : HM(wasm_wasm_min_mem_pages_count, V8.WasmMinMemPagesCount.wasm) \
1030 : HM(wasm_asm_max_mem_pages_count, V8.WasmMaxMemPagesCount.asm) \
1031 : HM(wasm_wasm_max_mem_pages_count, V8.WasmMaxMemPagesCount.wasm) \
1032 : HM(wasm_asm_function_size_bytes, V8.WasmFunctionSizeBytes.asm) \
1033 : HM(wasm_wasm_function_size_bytes, V8.WasmFunctionSizeBytes.wasm) \
1034 : HM(wasm_asm_module_size_bytes, V8.WasmModuleSizeBytes.asm) \
1035 : HM(wasm_wasm_module_size_bytes, V8.WasmModuleSizeBytes.wasm)
1036 :
1037 : // WARNING: STATS_COUNTER_LIST_* is a very large macro that is causing MSVC
1038 : // Intellisense to crash. It was broken into two macros (each of length 40
1039 : // lines) rather than one macro (of length about 80 lines) to work around
1040 : // this problem. Please avoid using recursive macros of this length when
1041 : // possible.
1042 : #define STATS_COUNTER_LIST_1(SC) \
1043 : /* Global Handle Count*/ \
1044 : SC(global_handles, V8.GlobalHandles) \
1045 : /* OS Memory allocated */ \
1046 : SC(memory_allocated, V8.OsMemoryAllocated) \
1047 : SC(maps_normalized, V8.MapsNormalized) \
1048 : SC(maps_created, V8.MapsCreated) \
1049 : SC(elements_transitions, V8.ObjectElementsTransitions) \
1050 : SC(props_to_dictionary, V8.ObjectPropertiesToDictionary) \
1051 : SC(elements_to_dictionary, V8.ObjectElementsToDictionary) \
1052 : SC(alive_after_last_gc, V8.AliveAfterLastGC) \
1053 : SC(objs_since_last_young, V8.ObjsSinceLastYoung) \
1054 : SC(objs_since_last_full, V8.ObjsSinceLastFull) \
1055 : SC(string_table_capacity, V8.StringTableCapacity) \
1056 : SC(number_of_symbols, V8.NumberOfSymbols) \
1057 : SC(script_wrappers, V8.ScriptWrappers) \
1058 : SC(inlined_copied_elements, V8.InlinedCopiedElements) \
1059 : SC(arguments_adaptors, V8.ArgumentsAdaptors) \
1060 : SC(compilation_cache_hits, V8.CompilationCacheHits) \
1061 : SC(compilation_cache_misses, V8.CompilationCacheMisses) \
1062 : /* Amount of evaled source code. */ \
1063 : SC(total_eval_size, V8.TotalEvalSize) \
1064 : /* Amount of loaded source code. */ \
1065 : SC(total_load_size, V8.TotalLoadSize) \
1066 : /* Amount of parsed source code. */ \
1067 : SC(total_parse_size, V8.TotalParseSize) \
1068 : /* Amount of source code skipped over using preparsing. */ \
1069 : SC(total_preparse_skipped, V8.TotalPreparseSkipped) \
1070 : /* Amount of compiled source code. */ \
1071 : SC(total_compile_size, V8.TotalCompileSize) \
1072 : /* Amount of source code compiled with the full codegen. */ \
1073 : SC(total_full_codegen_source_size, V8.TotalFullCodegenSourceSize) \
1074 : /* Number of contexts created from scratch. */ \
1075 : SC(contexts_created_from_scratch, V8.ContextsCreatedFromScratch) \
1076 : /* Number of contexts created by partial snapshot. */ \
1077 : SC(contexts_created_by_snapshot, V8.ContextsCreatedBySnapshot) \
1078 : /* Number of code objects found from pc. */ \
1079 : SC(pc_to_code, V8.PcToCode) \
1080 : SC(pc_to_code_cached, V8.PcToCodeCached) \
1081 : /* The store-buffer implementation of the write barrier. */ \
1082 : SC(store_buffer_overflows, V8.StoreBufferOverflows)
1083 :
1084 : #define STATS_COUNTER_LIST_2(SC) \
1085 : /* Number of code stubs. */ \
1086 : SC(code_stubs, V8.CodeStubs) \
1087 : /* Amount of stub code. */ \
1088 : SC(total_stubs_code_size, V8.TotalStubsCodeSize) \
1089 : /* Amount of (JS) compiled code. */ \
1090 : SC(total_compiled_code_size, V8.TotalCompiledCodeSize) \
1091 : SC(gc_compactor_caused_by_request, V8.GCCompactorCausedByRequest) \
1092 : SC(gc_compactor_caused_by_promoted_data, V8.GCCompactorCausedByPromotedData) \
1093 : SC(gc_compactor_caused_by_oldspace_exhaustion, \
1094 : V8.GCCompactorCausedByOldspaceExhaustion) \
1095 : SC(gc_last_resort_from_js, V8.GCLastResortFromJS) \
1096 : SC(gc_last_resort_from_handles, V8.GCLastResortFromHandles) \
1097 : SC(ic_keyed_load_generic_smi, V8.ICKeyedLoadGenericSmi) \
1098 : SC(ic_keyed_load_generic_symbol, V8.ICKeyedLoadGenericSymbol) \
1099 : SC(ic_keyed_load_generic_slow, V8.ICKeyedLoadGenericSlow) \
1100 : SC(ic_named_load_global_stub, V8.ICNamedLoadGlobalStub) \
1101 : SC(ic_store_normal_miss, V8.ICStoreNormalMiss) \
1102 : SC(ic_store_normal_hit, V8.ICStoreNormalHit) \
1103 : SC(ic_binary_op_miss, V8.ICBinaryOpMiss) \
1104 : SC(ic_compare_miss, V8.ICCompareMiss) \
1105 : SC(ic_call_miss, V8.ICCallMiss) \
1106 : SC(ic_keyed_call_miss, V8.ICKeyedCallMiss) \
1107 : SC(ic_store_miss, V8.ICStoreMiss) \
1108 : SC(ic_keyed_store_miss, V8.ICKeyedStoreMiss) \
1109 : SC(cow_arrays_created_runtime, V8.COWArraysCreatedRuntime) \
1110 : SC(cow_arrays_converted, V8.COWArraysConverted) \
1111 : SC(constructed_objects, V8.ConstructedObjects) \
1112 : SC(constructed_objects_runtime, V8.ConstructedObjectsRuntime) \
1113 : SC(negative_lookups, V8.NegativeLookups) \
1114 : SC(negative_lookups_miss, V8.NegativeLookupsMiss) \
1115 : SC(megamorphic_stub_cache_probes, V8.MegamorphicStubCacheProbes) \
1116 : SC(megamorphic_stub_cache_misses, V8.MegamorphicStubCacheMisses) \
1117 : SC(megamorphic_stub_cache_updates, V8.MegamorphicStubCacheUpdates) \
1118 : SC(enum_cache_hits, V8.EnumCacheHits) \
1119 : SC(enum_cache_misses, V8.EnumCacheMisses) \
1120 : SC(fast_new_closure_total, V8.FastNewClosureTotal) \
1121 : SC(string_add_runtime, V8.StringAddRuntime) \
1122 : SC(string_add_native, V8.StringAddNative) \
1123 : SC(string_add_runtime_ext_to_one_byte, V8.StringAddRuntimeExtToOneByte) \
1124 : SC(sub_string_runtime, V8.SubStringRuntime) \
1125 : SC(sub_string_native, V8.SubStringNative) \
1126 : SC(string_compare_native, V8.StringCompareNative) \
1127 : SC(string_compare_runtime, V8.StringCompareRuntime) \
1128 : SC(regexp_entry_runtime, V8.RegExpEntryRuntime) \
1129 : SC(regexp_entry_native, V8.RegExpEntryNative) \
1130 : SC(number_to_string_native, V8.NumberToStringNative) \
1131 : SC(number_to_string_runtime, V8.NumberToStringRuntime) \
1132 : SC(math_exp_runtime, V8.MathExpRuntime) \
1133 : SC(math_log_runtime, V8.MathLogRuntime) \
1134 : SC(math_pow_runtime, V8.MathPowRuntime) \
1135 : SC(stack_interrupts, V8.StackInterrupts) \
1136 : SC(runtime_profiler_ticks, V8.RuntimeProfilerTicks) \
1137 : SC(runtime_calls, V8.RuntimeCalls) \
1138 : SC(bounds_checks_eliminated, V8.BoundsChecksEliminated) \
1139 : SC(bounds_checks_hoisted, V8.BoundsChecksHoisted) \
1140 : SC(soft_deopts_requested, V8.SoftDeoptsRequested) \
1141 : SC(soft_deopts_inserted, V8.SoftDeoptsInserted) \
1142 : SC(soft_deopts_executed, V8.SoftDeoptsExecuted) \
1143 : /* Number of write barriers in generated code. */ \
1144 : SC(write_barriers_dynamic, V8.WriteBarriersDynamic) \
1145 : SC(write_barriers_static, V8.WriteBarriersStatic) \
1146 : SC(new_space_bytes_available, V8.MemoryNewSpaceBytesAvailable) \
1147 : SC(new_space_bytes_committed, V8.MemoryNewSpaceBytesCommitted) \
1148 : SC(new_space_bytes_used, V8.MemoryNewSpaceBytesUsed) \
1149 : SC(old_space_bytes_available, V8.MemoryOldSpaceBytesAvailable) \
1150 : SC(old_space_bytes_committed, V8.MemoryOldSpaceBytesCommitted) \
1151 : SC(old_space_bytes_used, V8.MemoryOldSpaceBytesUsed) \
1152 : SC(code_space_bytes_available, V8.MemoryCodeSpaceBytesAvailable) \
1153 : SC(code_space_bytes_committed, V8.MemoryCodeSpaceBytesCommitted) \
1154 : SC(code_space_bytes_used, V8.MemoryCodeSpaceBytesUsed) \
1155 : SC(map_space_bytes_available, V8.MemoryMapSpaceBytesAvailable) \
1156 : SC(map_space_bytes_committed, V8.MemoryMapSpaceBytesCommitted) \
1157 : SC(map_space_bytes_used, V8.MemoryMapSpaceBytesUsed) \
1158 : SC(lo_space_bytes_available, V8.MemoryLoSpaceBytesAvailable) \
1159 : SC(lo_space_bytes_committed, V8.MemoryLoSpaceBytesCommitted) \
1160 : SC(lo_space_bytes_used, V8.MemoryLoSpaceBytesUsed) \
1161 : /* Total code size (including metadata) of baseline code or bytecode. */ \
1162 : SC(total_baseline_code_size, V8.TotalBaselineCodeSize) \
1163 : /* Total count of functions compiled using the baseline compiler. */ \
1164 : SC(total_baseline_compile_count, V8.TotalBaselineCompileCount) \
1165 : SC(wasm_generated_code_size, V8.WasmGeneratedCodeBytes) \
1166 : SC(wasm_reloc_size, V8.WasmRelocBytes) \
1167 : SC(wasm_lazily_compiled_functions, V8.WasmLazilyCompiledFunctions)
1168 :
1169 : // This file contains all the v8 counters that are in use.
1170 : class Counters {
1171 : public:
1172 : #define HR(name, caption, min, max, num_buckets) \
1173 : Histogram* name() { return &name##_; }
1174 : HISTOGRAM_RANGE_LIST(HR)
1175 : #undef HR
1176 :
1177 : #define HT(name, caption, max, res) \
1178 : HistogramTimer* name() { return &name##_; }
1179 : HISTOGRAM_TIMER_LIST(HT)
1180 : #undef HT
1181 :
1182 : #define AHT(name, caption) \
1183 : AggregatableHistogramTimer* name() { return &name##_; }
1184 : AGGREGATABLE_HISTOGRAM_TIMER_LIST(AHT)
1185 : #undef AHT
1186 :
1187 : #define HP(name, caption) \
1188 : Histogram* name() { return &name##_; }
1189 : HISTOGRAM_PERCENTAGE_LIST(HP)
1190 : #undef HP
1191 :
1192 : #define HM(name, caption) \
1193 : Histogram* name() { return &name##_; }
1194 : HISTOGRAM_LEGACY_MEMORY_LIST(HM)
1195 : HISTOGRAM_MEMORY_LIST(HM)
1196 : #undef HM
1197 :
1198 : #define HM(name, caption) \
1199 : AggregatedMemoryHistogram<Histogram>* aggregated_##name() { \
1200 : return &aggregated_##name##_; \
1201 : }
1202 : HISTOGRAM_MEMORY_LIST(HM)
1203 : #undef HM
1204 :
1205 : #define SC(name, caption) \
1206 : StatsCounter* name() { return &name##_; }
1207 : STATS_COUNTER_LIST_1(SC)
1208 12910183 : STATS_COUNTER_LIST_2(SC)
1209 : #undef SC
1210 :
1211 : #define SC(name) \
1212 : StatsCounter* count_of_##name() { return &count_of_##name##_; } \
1213 : StatsCounter* size_of_##name() { return &size_of_##name##_; }
1214 : INSTANCE_TYPE_LIST(SC)
1215 : #undef SC
1216 :
1217 : #define SC(name) \
1218 : StatsCounter* count_of_CODE_TYPE_##name() \
1219 : { return &count_of_CODE_TYPE_##name##_; } \
1220 : StatsCounter* size_of_CODE_TYPE_##name() \
1221 : { return &size_of_CODE_TYPE_##name##_; }
1222 : CODE_KIND_LIST(SC)
1223 : #undef SC
1224 :
1225 : #define SC(name) \
1226 : StatsCounter* count_of_FIXED_ARRAY_##name() \
1227 : { return &count_of_FIXED_ARRAY_##name##_; } \
1228 : StatsCounter* size_of_FIXED_ARRAY_##name() \
1229 : { return &size_of_FIXED_ARRAY_##name##_; }
1230 : FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
1231 : #undef SC
1232 :
1233 : #define SC(name) \
1234 : StatsCounter* count_of_CODE_AGE_##name() \
1235 : { return &count_of_CODE_AGE_##name##_; } \
1236 : StatsCounter* size_of_CODE_AGE_##name() \
1237 : { return &size_of_CODE_AGE_##name##_; }
1238 : CODE_AGE_LIST_COMPLETE(SC)
1239 : #undef SC
1240 :
1241 : enum Id {
1242 : #define RATE_ID(name, caption, max, res) k_##name,
1243 : HISTOGRAM_TIMER_LIST(RATE_ID)
1244 : #undef RATE_ID
1245 : #define AGGREGATABLE_ID(name, caption) k_##name,
1246 : AGGREGATABLE_HISTOGRAM_TIMER_LIST(AGGREGATABLE_ID)
1247 : #undef AGGREGATABLE_ID
1248 : #define PERCENTAGE_ID(name, caption) k_##name,
1249 : HISTOGRAM_PERCENTAGE_LIST(PERCENTAGE_ID)
1250 : #undef PERCENTAGE_ID
1251 : #define MEMORY_ID(name, caption) k_##name,
1252 : HISTOGRAM_LEGACY_MEMORY_LIST(MEMORY_ID)
1253 : HISTOGRAM_MEMORY_LIST(MEMORY_ID)
1254 : #undef MEMORY_ID
1255 : #define COUNTER_ID(name, caption) k_##name,
1256 : STATS_COUNTER_LIST_1(COUNTER_ID)
1257 : STATS_COUNTER_LIST_2(COUNTER_ID)
1258 : #undef COUNTER_ID
1259 : #define COUNTER_ID(name) kCountOf##name, kSizeOf##name,
1260 : INSTANCE_TYPE_LIST(COUNTER_ID)
1261 : #undef COUNTER_ID
1262 : #define COUNTER_ID(name) kCountOfCODE_TYPE_##name, \
1263 : kSizeOfCODE_TYPE_##name,
1264 : CODE_KIND_LIST(COUNTER_ID)
1265 : #undef COUNTER_ID
1266 : #define COUNTER_ID(name) kCountOfFIXED_ARRAY__##name, \
1267 : kSizeOfFIXED_ARRAY__##name,
1268 : FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(COUNTER_ID)
1269 : #undef COUNTER_ID
1270 : #define COUNTER_ID(name) kCountOfCODE_AGE__##name, \
1271 : kSizeOfCODE_AGE__##name,
1272 : CODE_AGE_LIST_COMPLETE(COUNTER_ID)
1273 : #undef COUNTER_ID
1274 : stats_counter_count
1275 : };
1276 :
1277 : void ResetCounters();
1278 : void ResetHistograms();
1279 : void InitializeHistograms();
1280 :
1281 0 : RuntimeCallStats* runtime_call_stats() { return &runtime_call_stats_; }
1282 :
1283 : private:
1284 : #define HR(name, caption, min, max, num_buckets) Histogram name##_;
1285 : HISTOGRAM_RANGE_LIST(HR)
1286 : #undef HR
1287 :
1288 : #define HT(name, caption, max, res) HistogramTimer name##_;
1289 : HISTOGRAM_TIMER_LIST(HT)
1290 : #undef HT
1291 :
1292 : #define AHT(name, caption) \
1293 : AggregatableHistogramTimer name##_;
1294 : AGGREGATABLE_HISTOGRAM_TIMER_LIST(AHT)
1295 : #undef AHT
1296 :
1297 : #define HP(name, caption) \
1298 : Histogram name##_;
1299 : HISTOGRAM_PERCENTAGE_LIST(HP)
1300 : #undef HP
1301 :
1302 : #define HM(name, caption) \
1303 : Histogram name##_;
1304 : HISTOGRAM_LEGACY_MEMORY_LIST(HM)
1305 : HISTOGRAM_MEMORY_LIST(HM)
1306 : #undef HM
1307 :
1308 : #define HM(name, caption) \
1309 : AggregatedMemoryHistogram<Histogram> aggregated_##name##_;
1310 : HISTOGRAM_MEMORY_LIST(HM)
1311 : #undef HM
1312 :
1313 : #define SC(name, caption) \
1314 : StatsCounter name##_;
1315 : STATS_COUNTER_LIST_1(SC)
1316 : STATS_COUNTER_LIST_2(SC)
1317 : #undef SC
1318 :
1319 : #define SC(name) \
1320 : StatsCounter size_of_##name##_; \
1321 : StatsCounter count_of_##name##_;
1322 : INSTANCE_TYPE_LIST(SC)
1323 : #undef SC
1324 :
1325 : #define SC(name) \
1326 : StatsCounter size_of_CODE_TYPE_##name##_; \
1327 : StatsCounter count_of_CODE_TYPE_##name##_;
1328 : CODE_KIND_LIST(SC)
1329 : #undef SC
1330 :
1331 : #define SC(name) \
1332 : StatsCounter size_of_FIXED_ARRAY_##name##_; \
1333 : StatsCounter count_of_FIXED_ARRAY_##name##_;
1334 : FIXED_ARRAY_SUB_INSTANCE_TYPE_LIST(SC)
1335 : #undef SC
1336 :
1337 : #define SC(name) \
1338 : StatsCounter size_of_CODE_AGE_##name##_; \
1339 : StatsCounter count_of_CODE_AGE_##name##_;
1340 : CODE_AGE_LIST_COMPLETE(SC)
1341 : #undef SC
1342 :
1343 : RuntimeCallStats runtime_call_stats_;
1344 :
1345 : friend class Isolate;
1346 :
1347 : explicit Counters(Isolate* isolate);
1348 :
1349 : DISALLOW_IMPLICIT_CONSTRUCTORS(Counters);
1350 : };
1351 :
1352 : } // namespace internal
1353 : } // namespace v8
1354 :
1355 : #endif // V8_COUNTERS_H_
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