зеркало из https://github.com/mozilla/gecko-dev.git
74 строки
2.4 KiB
C++
74 строки
2.4 KiB
C++
/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* vim: set ts=8 sts=2 et sw=2 tw=80: */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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#include "mozilla/Logging.h"
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#include "mozilla/PerformanceCounter.h"
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using mozilla::DispatchCategory;
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using mozilla::DispatchCounter;
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using mozilla::PerformanceCounter;
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static mozilla::LazyLogModule sPerformanceCounter("PerformanceCounter");
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#ifdef LOG
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# undef LOG
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#endif
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#define LOG(args) MOZ_LOG(sPerformanceCounter, mozilla::LogLevel::Debug, args)
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// Global counter used by PerformanceCounter CTOR via NextCounterID().
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static mozilla::Atomic<uint64_t> gNextCounterID(0);
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static uint64_t NextCounterID() {
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// This can return the same value on different processes but
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// we're fine with this behavior because consumers can use a (pid, counter_id)
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// tuple to make instances globally unique in a browser session.
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return ++gNextCounterID;
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}
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// this instance is the extension for the worker
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const DispatchCategory DispatchCategory::Worker =
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DispatchCategory((uint32_t)TaskCategory::Count);
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PerformanceCounter::PerformanceCounter(const nsACString& aName)
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: mExecutionDuration(0),
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mTotalDispatchCount(0),
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mDispatchCounter(),
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mName(aName),
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mID(NextCounterID()) {
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LOG(("PerformanceCounter created with ID %" PRIu64, mID));
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}
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void PerformanceCounter::IncrementDispatchCounter(DispatchCategory aCategory) {
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mDispatchCounter[aCategory.GetValue()] += 1;
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mTotalDispatchCount += 1;
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LOG(("[%s][%" PRIu64 "] Total dispatch %" PRIu64, mName.get(), GetID(),
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uint64_t(mTotalDispatchCount)));
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}
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void PerformanceCounter::IncrementExecutionDuration(uint32_t aMicroseconds) {
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mExecutionDuration += aMicroseconds;
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LOG(("[%s][%" PRIu64 "] Total duration %" PRIu64, mName.get(), GetID(),
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uint64_t(mExecutionDuration)));
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}
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const DispatchCounter& PerformanceCounter::GetDispatchCounter() const {
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return mDispatchCounter;
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}
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uint64_t PerformanceCounter::GetExecutionDuration() const {
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return mExecutionDuration;
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}
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uint64_t PerformanceCounter::GetTotalDispatchCount() const {
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return mTotalDispatchCount;
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}
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uint32_t PerformanceCounter::GetDispatchCount(
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DispatchCategory aCategory) const {
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return mDispatchCounter[aCategory.GetValue()];
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}
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uint64_t PerformanceCounter::GetID() const { return mID; }
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