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105 lines
3.2 KiB
C++
105 lines
3.2 KiB
C++
// Copyright 2015 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "gpu/perftests/measurements.h"
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#include "base/logging.h"
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#include "testing/perf/perf_test.h"
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#include "ui/gl/gpu_timing.h"
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namespace gpu {
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Measurement::Measurement() : name(), wall_time(), cpu_time(), gpu_time() {
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}
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Measurement::Measurement(const Measurement& m)
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: name(m.name),
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wall_time(m.wall_time),
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cpu_time(m.cpu_time),
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gpu_time(m.gpu_time) {
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}
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Measurement::Measurement(const std::string& name,
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const base::TimeDelta wall_time,
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const base::TimeDelta cpu_time,
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const base::TimeDelta gpu_time)
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: name(name), wall_time(wall_time), cpu_time(cpu_time), gpu_time(gpu_time) {
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}
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void Measurement::PrintResult(const std::string& graph) const {
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perf_test::PrintResult(graph, "", name + "_wall", wall_time.InMillisecondsF(),
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"ms", true);
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if (cpu_time.InMicroseconds() >= 0) {
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perf_test::PrintResult(graph, "", name + "_cpu", cpu_time.InMillisecondsF(),
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"ms", true);
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}
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if (gpu_time.InMicroseconds() >= 0) {
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perf_test::PrintResult(graph, "", name + "_gpu", gpu_time.InMillisecondsF(),
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"ms", true);
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}
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}
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Measurement& Measurement::Increment(const Measurement& m) {
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wall_time += m.wall_time;
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cpu_time += m.cpu_time;
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gpu_time += m.gpu_time;
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return *this;
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}
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Measurement Measurement::Divide(int a) const {
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return Measurement(name, wall_time / a, cpu_time / a, gpu_time / a);
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}
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Measurement::~Measurement() {
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}
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MeasurementTimers::MeasurementTimers(gfx::GPUTimingClient* gpu_timing_client)
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: wall_time_start_(), cpu_time_start_(), gpu_timer_() {
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DCHECK(gpu_timing_client);
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wall_time_start_ = base::TimeTicks::NowFromSystemTraceTime();
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if (base::TimeTicks::IsThreadNowSupported()) {
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cpu_time_start_ = base::TimeTicks::ThreadNow();
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} else {
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static bool logged_once = false;
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LOG_IF(WARNING, !logged_once) << "ThreadNow not supported.";
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logged_once = true;
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}
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if (gpu_timing_client->IsAvailable()) {
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gpu_timer_ = gpu_timing_client->CreateGPUTimer();
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gpu_timer_->Start();
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}
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}
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void MeasurementTimers::Record() {
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wall_time_ = base::TimeTicks::NowFromSystemTraceTime() - wall_time_start_;
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if (base::TimeTicks::IsThreadNowSupported()) {
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cpu_time_ = base::TimeTicks::ThreadNow() - cpu_time_start_;
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}
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if (gpu_timer_.get()) {
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gpu_timer_->End();
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}
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}
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Measurement MeasurementTimers::GetAsMeasurement(const std::string& name) {
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DCHECK_NE(base::TimeDelta(),
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wall_time_); // At least wall_time_ has been set.
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if (!base::TimeTicks::IsThreadNowSupported()) {
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cpu_time_ = base::TimeDelta::FromMicroseconds(-1);
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}
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int64 gpu_time = -1;
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if (gpu_timer_.get() != nullptr && gpu_timer_->IsAvailable()) {
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gpu_time = gpu_timer_->GetDeltaElapsed();
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}
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return Measurement(name, wall_time_, cpu_time_,
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base::TimeDelta::FromMicroseconds(gpu_time));
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}
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MeasurementTimers::~MeasurementTimers() {
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if (gpu_timer_.get()) {
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gpu_timer_->Destroy(true);
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}
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}
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} // namespace gpu
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