38 lines
998 B
C++
38 lines
998 B
C++
|
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style license that can be
|
||
|
|
// found in the LICENSE file.
|
||
|
|
|
||
|
|
#include "base/profiler/alternate_timer.h"
|
||
|
|
|
||
|
|
#include "base/logging.h"
|
||
|
|
|
||
|
|
namespace {
|
||
|
|
|
||
|
|
tracked_objects::NowFunction* g_time_function = NULL;
|
||
|
|
tracked_objects::TimeSourceType g_time_source_type =
|
||
|
|
tracked_objects::TIME_SOURCE_TYPE_WALL_TIME;
|
||
|
|
|
||
|
|
} // anonymous namespace
|
||
|
|
|
||
|
|
namespace tracked_objects {
|
||
|
|
|
||
|
|
const char kAlternateProfilerTime[] = "CHROME_PROFILER_TIME";
|
||
|
|
|
||
|
|
// Set an alternate timer function to replace the OS time function when
|
||
|
|
// profiling.
|
||
|
|
void SetAlternateTimeSource(NowFunction* now_function, TimeSourceType type) {
|
||
|
|
DCHECK_EQ(reinterpret_cast<NowFunction*>(NULL), g_time_function);
|
||
|
|
g_time_function = now_function;
|
||
|
|
g_time_source_type = type;
|
||
|
|
}
|
||
|
|
|
||
|
|
NowFunction* GetAlternateTimeSource() {
|
||
|
|
return g_time_function;
|
||
|
|
}
|
||
|
|
|
||
|
|
TimeSourceType GetTimeSourceType() {
|
||
|
|
return g_time_source_type;
|
||
|
|
}
|
||
|
|
|
||
|
|
} // namespace tracked_objects
|