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
67 lines
2.1 KiB
C++
67 lines
2.1 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_mach.h"
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static time_value_t mac_cpu_time() {
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mach_port_t task = mach_task_self();
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if (task == MACH_PORT_NULL) {
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time_value_t none = {0, 0};
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return none;
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}
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task_thread_times_info thread_info_data;
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mach_msg_type_number_t thread_info_count = TASK_THREAD_TIMES_INFO_COUNT;
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if (KERN_SUCCESS != task_info(task,
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TASK_THREAD_TIMES_INFO,
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reinterpret_cast<task_info_t>(&thread_info_data),
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&thread_info_count)) {
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time_value_t none = {0, 0};
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return none;
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}
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time_value_add(&thread_info_data.user_time, &thread_info_data.system_time)
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return thread_info_data.user_time;
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}
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static double interval_in_ms(time_value_t start_clock, time_value_t end_clock) {
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double duration_clock;
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if ((end_clock.microseconds - start_clock.microseconds) < 0) {
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duration_clock = (end_clock.seconds - start_clock.seconds-1) * 1000;
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duration_clock += (1000000 + end_clock.microseconds - start_clock.microseconds) / 1000.0;
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} else {
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duration_clock = (end_clock.seconds - start_clock.seconds) * 1000;
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duration_clock += (end_clock.microseconds - start_clock.microseconds) / 1000.0;
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}
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return duration_clock;
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}
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void SysTimer::startWall() {
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fStartWall = mach_absolute_time();
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}
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void SysTimer::startCpu() {
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fStartCpu = mac_cpu_time();
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}
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double SysTimer::endCpu() {
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time_value_t end_cpu = mac_cpu_time();
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return interval_in_ms(fStartCpu, end_cpu);
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}
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double SysTimer::endWall() {
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uint64_t end_wall = mach_absolute_time();
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uint64_t elapsed = end_wall - fStartWall;
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mach_timebase_info_data_t sTimebaseInfo;
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if (KERN_SUCCESS != mach_timebase_info(&sTimebaseInfo)) {
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return 0;
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} else {
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uint64_t elapsedNano = elapsed * sTimebaseInfo.numer / sTimebaseInfo.denom;
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return elapsedNano / 1000000.0;
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}
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}
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