Index: bench/BenchSysTimer_mach.cpp |
diff --git a/bench/BenchSysTimer_mach.cpp b/bench/BenchSysTimer_mach.cpp |
deleted file mode 100644 |
index 1f0a6b98615fc3733ea50a0b7c9357bd876253a4..0000000000000000000000000000000000000000 |
--- a/bench/BenchSysTimer_mach.cpp |
+++ /dev/null |
@@ -1,76 +0,0 @@ |
- |
-/* |
- * Copyright 2011 Google Inc. |
- * |
- * Use of this source code is governed by a BSD-style license that can be |
- * found in the LICENSE file. |
- */ |
-#include "BenchSysTimer_mach.h" |
- |
-//Time |
-#include <mach/mach.h> |
-#include <mach/mach_time.h> |
- |
-static time_value_t macCpuTime() { |
- mach_port_t task = mach_task_self(); |
- if (task == MACH_PORT_NULL) { |
- time_value_t none = {0, 0}; |
- return none; |
- } |
- |
- task_thread_times_info thread_info_data; |
- mach_msg_type_number_t thread_info_count = TASK_THREAD_TIMES_INFO_COUNT; |
- if (KERN_SUCCESS != task_info(task, |
- TASK_THREAD_TIMES_INFO, |
- reinterpret_cast<task_info_t>(&thread_info_data), |
- &thread_info_count)) |
- { |
- time_value_t none = {0, 0}; |
- return none; |
- } |
- |
- time_value_add(&thread_info_data.user_time, &thread_info_data.system_time) |
- return thread_info_data.user_time; |
-} |
- |
-static double intervalInMSec(const time_value_t start_clock |
- , const time_value_t end_clock) |
-{ |
- double duration_clock; |
- if ((end_clock.microseconds - start_clock.microseconds) < 0) { |
- duration_clock = (end_clock.seconds - start_clock.seconds-1)*1000; |
- duration_clock += (1000000 |
- + end_clock.microseconds |
- - start_clock.microseconds) / 1000.0; |
- } else { |
- duration_clock = (end_clock.seconds - start_clock.seconds)*1000; |
- duration_clock += (end_clock.microseconds - start_clock.microseconds) |
- / 1000.0; |
- } |
- return duration_clock; |
-} |
- |
-void BenchSysTimer::startWall() { |
- this->fStartWall = mach_absolute_time(); |
-} |
-void BenchSysTimer::startCpu() { |
- this->fStartCpu = macCpuTime(); |
-} |
- |
-double BenchSysTimer::endCpu() { |
- time_value_t end_cpu = macCpuTime(); |
- return intervalInMSec(this->fStartCpu, end_cpu); |
-} |
-double BenchSysTimer::endWall() { |
- uint64_t end_wall = mach_absolute_time(); |
- |
- uint64_t elapsed = end_wall - this->fStartWall; |
- mach_timebase_info_data_t sTimebaseInfo; |
- if (KERN_SUCCESS != mach_timebase_info(&sTimebaseInfo)) { |
- return 0; |
- } else { |
- uint64_t elapsedNano = elapsed * sTimebaseInfo.numer |
- / sTimebaseInfo.denom; |
- return elapsedNano / 1000000.0; |
- } |
-} |