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pcsx2:linux: disable thread timing information. It seems to work only with eglibc (debian/ubuntu) 

git-svn-id: http://pcsx2.googlecode.com/svn/trunk@4908 96395faa-99c1-11dd-bbfe-3dabce05a288
This commit is contained in:
gregory.hainaut 2011-09-04 17:07:00 +00:00
parent 537dbcc58c
commit 0f354b7bcd
1 changed files with 22 additions and 4 deletions
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26
common/src/Utilities/Linux/LnxThreads.cpp
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@ -55,6 +55,12 @@ __forceinline void Threading::DisableHiresScheduler()
{ {
} }
// pthread_getcpuclockid causes a segmentation fault on Mandriva/Mageia.
// It seems to impact fedora users so I bet it is an issue with glic (the library was
// replaced by eglibc on Debian/Ubuntu)
// So for the moment I disable this feature -- Gregory
#define LNX_DISABLE_THREAD_TIME 1
u64 Threading::GetThreadTicksPerSecond() u64 Threading::GetThreadTicksPerSecond()
{ {
// Note the value is not correct but I'm not sure we can do better because // Note the value is not correct but I'm not sure we can do better because
@ -67,8 +73,12 @@ u64 Threading::GetThreadTicksPerSecond()
The actual frequency is hidden from userspace, deliberately. Indeed, some systems The actual frequency is hidden from userspace, deliberately. Indeed, some systems
use dynamic ticks or "tickless" systems, so there aren't really any at all. use dynamic ticks or "tickless" systems, so there aren't really any at all.
*/ */
#ifndef LNX_DISABLE_THREAD_TIME
u32 hertz = sysconf(_SC_CLK_TCK); u32 hertz = sysconf(_SC_CLK_TCK);
return hertz; return hertz;
#else
return 0;
#endif
} }
u64 Threading::GetThreadCpuTime() u64 Threading::GetThreadCpuTime()
@ -77,16 +87,20 @@ u64 Threading::GetThreadCpuTime()
// thread has used on the CPU (scaled by the value returned by GetThreadTicksPerSecond(), // thread has used on the CPU (scaled by the value returned by GetThreadTicksPerSecond(),
// which typically would be an OS-provided scalar or some sort). // which typically would be an OS-provided scalar or some sort).
#ifndef LNX_DISABLE_THREAD_TIME
clockid_t cid; clockid_t cid;
int err = pthread_getcpuclockid(pthread_self(), &cid); int err = pthread_getcpuclockid(pthread_self(), &cid);
if (err) return 0; if (err) return 0;
struct timespec ts; struct timespec ts;
clock_gettime(cid, &ts); err = clock_gettime(cid, &ts);
if (err) return 0;
unsigned long timeJiff = (ts.tv_sec*1e6 + ts.tv_nsec / 1000)/1e6 * GetThreadTicksPerSecond(); unsigned long timeJiff = (ts.tv_sec*1e6 + ts.tv_nsec / 1000)/1e6 * GetThreadTicksPerSecond();
return timeJiff; return timeJiff;
#else
return 0;
#endif
} }
u64 Threading::pxThread::GetCpuTime() const u64 Threading::pxThread::GetCpuTime() const
@ -96,16 +110,20 @@ u64 Threading::pxThread::GetCpuTime() const
// thread has used on the CPU (scaled by the value returned by GetThreadTicksPerSecond(), // thread has used on the CPU (scaled by the value returned by GetThreadTicksPerSecond(),
// which typically would be an OS-provided scalar or some sort). // which typically would be an OS-provided scalar or some sort).
#ifndef LNX_DISABLE_THREAD_TIME
clockid_t cid; clockid_t cid;
int err = pthread_getcpuclockid(m_native_id, &cid); int err = pthread_getcpuclockid(m_native_id, &cid);
if (err) return 0; if (err) return 0;
struct timespec ts; struct timespec ts;
clock_gettime(cid, &ts); err = clock_gettime(cid, &ts);
if (err) return 0;
unsigned long timeJiff = (ts.tv_sec*1e6 + ts.tv_nsec / 1000)/1e6 * GetThreadTicksPerSecond(); unsigned long timeJiff = (ts.tv_sec*1e6 + ts.tv_nsec / 1000)/1e6 * GetThreadTicksPerSecond();
return timeJiff; return timeJiff;
#else
return 0;
#endif
} }
void Threading::pxThread::_platform_specific_OnStartInThread() void Threading::pxThread::_platform_specific_OnStartInThread()