/src/mozilla-central/xpcom/threads/PerformanceCounter.cpp
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1 | | /* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ |
2 | | /* vim: set ts=8 sts=2 et sw=2 tw=80: */ |
3 | | /* This Source Code Form is subject to the terms of the Mozilla Public |
4 | | * License, v. 2.0. If a copy of the MPL was not distributed with this |
5 | | * file, You can obtain one at http://mozilla.org/MPL/2.0/. */ |
6 | | |
7 | | #include "mozilla/Atomics.h" |
8 | | #include "mozilla/Logging.h" |
9 | | #include "mozilla/PerformanceCounter.h" |
10 | | |
11 | | static mozilla::LazyLogModule sPerformanceCounter("PerformanceCounter"); |
12 | | #ifdef LOG |
13 | | #undef LOG |
14 | | #endif |
15 | 0 | #define LOG(args) MOZ_LOG(sPerformanceCounter, mozilla::LogLevel::Debug, args) |
16 | | |
17 | | // Global counter used by PerformanceCounter CTOR via NextCounterID(). |
18 | | static Atomic<uint64_t> gNextCounterID(0); |
19 | | |
20 | | static uint64_t |
21 | | NextCounterID() |
22 | 0 | { |
23 | 0 | // This can return the same value on different processes but |
24 | 0 | // we're fine with this behavior because consumers can use a (pid, counter_id) |
25 | 0 | // tuple to make instances globally unique in a browser session. |
26 | 0 | return ++gNextCounterID; |
27 | 0 | } |
28 | | |
29 | | |
30 | | // this instance is the extension for the worker |
31 | | const DispatchCategory DispatchCategory::Worker = DispatchCategory((uint32_t)TaskCategory::Count); |
32 | | |
33 | | PerformanceCounter::PerformanceCounter(const nsACString& aName) |
34 | | : mExecutionDuration(0), |
35 | | mTotalDispatchCount(0), |
36 | | mDispatchCounter(), |
37 | | mName(aName), |
38 | | mID(NextCounterID()) |
39 | 0 | { |
40 | 0 | LOG(("PerformanceCounter created with ID %" PRIu64, mID)); |
41 | 0 | } |
42 | | |
43 | | void |
44 | | PerformanceCounter::IncrementDispatchCounter(DispatchCategory aCategory) |
45 | 0 | { |
46 | 0 | mDispatchCounter[aCategory.GetValue()] += 1; |
47 | 0 | mTotalDispatchCount += 1; |
48 | 0 | LOG(("[%s][%" PRIu64 "] Total dispatch %" PRIu64, mName.get(), |
49 | 0 | GetID(), uint64_t(mTotalDispatchCount))); |
50 | 0 | } |
51 | | |
52 | | void |
53 | | PerformanceCounter::IncrementExecutionDuration(uint32_t aMicroseconds) |
54 | 0 | { |
55 | 0 | mExecutionDuration += aMicroseconds; |
56 | 0 | LOG(("[%s][%" PRIu64 "] Total duration %" PRIu64, mName.get(), |
57 | 0 | GetID(), uint64_t(mExecutionDuration))); |
58 | 0 | } |
59 | | |
60 | | const DispatchCounter& |
61 | | PerformanceCounter::GetDispatchCounter() |
62 | 0 | { |
63 | 0 | return mDispatchCounter; |
64 | 0 | } |
65 | | |
66 | | uint64_t |
67 | | PerformanceCounter::GetExecutionDuration() |
68 | 0 | { |
69 | 0 | return mExecutionDuration; |
70 | 0 | } |
71 | | |
72 | | uint64_t |
73 | | PerformanceCounter::GetTotalDispatchCount() |
74 | 0 | { |
75 | 0 | return mTotalDispatchCount; |
76 | 0 | } |
77 | | |
78 | | uint32_t |
79 | | PerformanceCounter::GetDispatchCount(DispatchCategory aCategory) |
80 | 0 | { |
81 | 0 | return mDispatchCounter[aCategory.GetValue()]; |
82 | 0 | } |
83 | | |
84 | | uint64_t |
85 | | PerformanceCounter::GetID() const |
86 | 0 | { |
87 | 0 | return mID; |
88 | 0 | } |