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mirror of https://github.com/yse/easy_profiler.git synced 2024-12-28 01:04:41 +08:00

Move getCurrentTime function in separate header

This commit is contained in:
Sergey Yagovtsev 2016-09-26 23:23:38 +03:00
parent f9b594918f
commit bf74e673fc
5 changed files with 65 additions and 30 deletions

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@ -16,6 +16,7 @@ set(H_FILES
profile_manager.h
spin_lock.h
event_trace_win.h
current_time.h
)
set(SOURCES

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@ -25,6 +25,7 @@
************************************************************************/
#include "profile_manager.h"
#include "current_time.h"
using namespace profiler;

62
src/current_time.h Normal file
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@ -0,0 +1,62 @@
/**
Lightweight profiler library for c++
Copyright(C) 2016 Sergey Yagovtsev, Victor Zarubkin
This program is free software : you can redistribute it and / or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program.If not, see <http://www.gnu.org/licenses/>.
**/
#ifndef EASY_______CURRENT_TIME_H_____
#define EASY_______CURRENT_TIME_H_____
#include "profiler/profiler.h"
#ifdef _WIN32
#include <Windows.h>
#else
#include <chrono>
#include <time.h>
#endif
static inline profiler::timestamp_t getCurrentTime()
{
#ifdef _WIN32
//see https://msdn.microsoft.com/library/windows/desktop/dn553408(v=vs.85).aspx
LARGE_INTEGER elapsedMicroseconds;
if (!QueryPerformanceCounter(&elapsedMicroseconds))
return 0;
return (profiler::timestamp_t)elapsedMicroseconds.QuadPart;
#else
#if (defined(__GNUC__) || defined(__ICC))
#if defined(__i386__)
unsigned long long t;
__asm__ __volatile__("rdtsc" : "=A"(t));
return t;
#elif defined(__x86_64__)
unsigned int hi, lo;
__asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
return ((uint64_t)hi << 32) | lo;
#endif
#else
return std::chrono::time_point_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now()).time_since_epoch().count();
#define USE_STD_CHRONO
#endif
#endif
}
#endif // EASY_______CURRENT_TIME_H_____

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@ -31,6 +31,7 @@
#include "profiler/easy_net.h"
#include "profiler/easy_socket.h"
#include "event_trace_win.h"
#include "current_time.h"
//////////////////////////////////////////////////////////////////////////
//////////////////////////////////////////////////////////////////////////

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@ -54,36 +54,6 @@ inline uint32_t getCurrentThreadId()
#endif
}
static inline profiler::timestamp_t getCurrentTime()
{
#ifdef _WIN32
//see https://msdn.microsoft.com/library/windows/desktop/dn553408(v=vs.85).aspx
LARGE_INTEGER elapsedMicroseconds;
if (!QueryPerformanceCounter(&elapsedMicroseconds))
return 0;
return (profiler::timestamp_t)elapsedMicroseconds.QuadPart;
#else
#if (defined(__GNUC__) || defined(__ICC))
#if defined(__i386__)
unsigned long long t;
__asm__ __volatile__("rdtsc" : "=A"(t));
return t;
#elif defined(__x86_64__)
unsigned int hi, lo;
__asm__ __volatile__("rdtsc" : "=a" (lo), "=d" (hi));
return ((uint64_t)hi << 32) | lo;
#endif
#else
return std::chrono::time_point_cast<std::chrono::nanoseconds>(std::chrono::system_clock::now()).time_since_epoch().count();
#define USE_STD_CHRONO
#endif
#endif
}
namespace profiler {
class SerializedBlock;