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Merge pull request #545 from topolarity/fix-no-sampling

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linux: respect `TRACY_NO_SAMPLING` for sys-tracing
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Bartosz Taudul 2023-04-04 23:29:08 +02:00 committed by GitHub
commit 856027a27d
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1 changed files with 27 additions and 17 deletions
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10
public/client/TracySysTrace.cpp
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@ -770,6 +770,13 @@ bool SysTraceStart( int64_t& samplingPeriod )
TracyDebug( "sched_wakeup id: %i\n", wakeupId );
TracyDebug( "drm_vblank_event id: %i\n", vsyncId );
#ifdef TRACY_NO_SAMPLING
const bool noSoftwareSampling = true;
#else
const char* noSoftwareSamplingEnv = GetEnvVar( "TRACY_NO_SAMPLING" );
const bool noSoftwareSampling = noSoftwareSamplingEnv && noSoftwareSamplingEnv[0] == '1';
#endif
#ifdef TRACY_NO_SAMPLE_RETIREMENT
const bool noRetirement = true;
#else
@ -839,6 +846,8 @@ bool SysTraceStart( int64_t& samplingPeriod )
pe.clockid = CLOCK_MONOTONIC_RAW;
#endif
if( !noSoftwareSampling )
{
TracyDebug( "Setup software sampling\n" );
ProbePreciseIp( pe, currentPid );
for( int i=0; i<s_numCpus; i++ )
@ -863,6 +872,7 @@ bool SysTraceStart( int64_t& samplingPeriod )
TracyDebug( " Core %i ok\n", i );
}
}
}
// CPU cycles + instructions retired
pe = {};