9ac68ee259
This breaks a bunch of circular dependencies between tools and gm and bench. BUG=skia: Committed: https://skia.googlesource.com/skia/+/4ed75287aed6371c6e4a41ffcc78c8a49c9810ed CQ_EXTRA_TRYBOTS=tryserver.skia:Build-Mac10.7-Clang-Arm7-Debug-iOS-Trybot,Test-Ubuntu12-ShuttleA-GTX660-x86-Debug-Trybot R=tfarina@chromium.org, mtklein@google.com Author: mtklein@chromium.org Review URL: https://codereview.chromium.org/344213003
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
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* Copyright 2011 Google Inc.
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*
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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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*/
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#include "SysTimer_windows.h"
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static ULONGLONG win_cpu_time() {
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FILETIME createTime;
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FILETIME exitTime;
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FILETIME usrTime;
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FILETIME sysTime;
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if (0 == GetProcessTimes(GetCurrentProcess(), &createTime, &exitTime, &sysTime, &usrTime)) {
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return 0;
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}
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ULARGE_INTEGER start_cpu_sys;
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ULARGE_INTEGER start_cpu_usr;
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start_cpu_sys.LowPart = sysTime.dwLowDateTime;
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start_cpu_sys.HighPart = sysTime.dwHighDateTime;
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start_cpu_usr.LowPart = usrTime.dwLowDateTime;
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start_cpu_usr.HighPart = usrTime.dwHighDateTime;
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return start_cpu_sys.QuadPart + start_cpu_usr.QuadPart;
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}
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void SysTimer::startWall() {
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if (0 == ::QueryPerformanceCounter(&fStartWall)) {
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fStartWall.QuadPart = 0;
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}
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}
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void SysTimer::startCpu() {
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fStartCpu = win_cpu_time();
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}
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double SysTimer::endCpu() {
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ULONGLONG end_cpu = win_cpu_time();
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return static_cast<double>(end_cpu - fStartCpu) / 10000.0L;
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}
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double SysTimer::endWall() {
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LARGE_INTEGER end_wall;
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if (0 == ::QueryPerformanceCounter(&end_wall)) {
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end_wall.QuadPart = 0;
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}
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LARGE_INTEGER ticks_elapsed;
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ticks_elapsed.QuadPart = end_wall.QuadPart - fStartWall.QuadPart;
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LARGE_INTEGER frequency;
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if (0 == ::QueryPerformanceFrequency(&frequency)) {
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return 0.0L;
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} else {
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return static_cast<double>(ticks_elapsed.QuadPart)
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/ static_cast<double>(frequency.QuadPart)
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* 1000.0L;
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}
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}
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