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Implement JitIL profiling on linux. I also tried implementing __rdtsc using assembly and didn't really see a speed improvement so went with clock_gettime.

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Also changed other gettimeofday calls to clock_gettime, which is supposedly more accurate.


git-svn-id: https://dolphin-emu.googlecode.com/svn/trunk@6447 8ced0084-cf51-0410-be5f-012b33b47a6e
This commit is contained in:
Glenn Rice
2010-11-20 00:22:56 +00:00
parent d1264b3258
commit ef55177ed6
5 changed files with 56 additions and 66 deletions
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10
Source/Core/Common/Src/Thread.cpp
View File

@ -492,15 +492,11 @@ namespace Common
if (timeout != INFINITE)
{
struct timeval now;
gettimeofday(&now, NULL);
struct timespec now;
clock_gettime(CLOCK_MONOTONIC_RAW, &now);
memset(&wait, 0, sizeof(wait));
//TODO: timespec also has nanoseconds, but do we need them?
//as consequence, waiting is limited to seconds for now.
//the following just looks ridiculous, and probably fails for
//values 429 < ms <= 999 since it overflows the long.
//wait.tv_nsec = (now.tv_usec + (timeout % 1000) * 1000) * 1000);
wait.tv_nsec = now.tv_nsec + (timeout % 1000) * 1000000;
wait.tv_sec = now.tv_sec + (timeout / 1000);
}

3
Source/Core/Common/Src/Thread.h
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@ -60,8 +60,7 @@
#define INFINITE 0xffffffff
#endif
//for gettimeofday and struct time(val|spec)
#include <sys/time.h>
//for clock_gettime and struct timespec
#include <time.h>
#endif

27
Source/Core/Common/Src/Timer.cpp
View File

@ -21,8 +21,6 @@
#include <Windows.h>
#include <mmsystem.h>
#include <sys/timeb.h>
#else
#include <sys/time.h>
#endif
#include "Common.h"
@ -37,9 +35,9 @@ u32 Timer::GetTimeMs()
#ifdef _WIN32
return timeGetTime();
#else
struct timeval t;
(void)gettimeofday(&t, NULL);
return((u32)(t.tv_sec * 1000 + t.tv_usec / 1000));
struct timespec t;
(void)clock_gettime(CLOCK_MONOTONIC_RAW, &t);
return ((u32)(t.tv_sec * 1000 + t.tv_nsec / 1000000));
#endif
}
@ -157,13 +155,6 @@ void Timer::RestoreResolution()
#endif
}
#ifdef __GNUC__
void _time64(u64* t)
{
*t = 0; //TODO
}
#endif
// Get the number of seconds since January 1 1970
u64 Timer::GetTimeSinceJan1970()
{
@ -213,9 +204,9 @@ std::string Timer::GetTimeFormatted()
(void)::ftime(&tp);
sprintf(formattedTime, "%s:%03i", tmp, tp.millitm);
#else
struct timeval t;
(void)gettimeofday(&t, NULL);
sprintf(formattedTime, "%s:%03d", tmp, (int)(t.tv_usec / 1000));
struct timespec t;
(void)clock_gettime(CLOCK_REALTIME, &t);
sprintf(formattedTime, "%s:%03d", tmp, (int)(t.tv_nsec / 1000000));
#endif
return std::string(formattedTime);
@ -229,8 +220,8 @@ double Timer::GetDoubleTime()
struct timeb tp;
(void)::ftime(&tp);
#else
struct timeval t;
(void)gettimeofday(&t, NULL);
struct timespec t;
(void)clock_gettime(CLOCK_REALTIME, &t);
#endif
// Get continuous timestamp
u64 TmpSeconds = Common::Timer::GetTimeSinceJan1970();
@ -246,7 +237,7 @@ double Timer::GetDoubleTime()
#ifdef _WIN32
double ms = tp.millitm / 1000.0 / 1000.0;
#else
double ms = t.tv_usec / 1000.0 / 1000.0;
double ms = t.tv_nsec / 1000000000.0;
#endif
double TmpTime = Seconds + ms;