Notify when software sampling setup has failed.

This commit is contained in:
Bartosz Taudul 2022-04-28 23:50:13 +02:00
parent 4c0dd704d8
commit 2ef014608f
No known key found for this signature in database
GPG Key ID: B7FE2008B7575DF3

View File

@ -859,7 +859,11 @@ bool SysTraceStart( int64_t& samplingPeriod )
pe.exclude_kernel = 1; pe.exclude_kernel = 1;
ProbePreciseIp( pe, currentPid ); ProbePreciseIp( pe, currentPid );
fd = perf_event_open( &pe, currentPid, i, -1, PERF_FLAG_FD_CLOEXEC ); fd = perf_event_open( &pe, currentPid, i, -1, PERF_FLAG_FD_CLOEXEC );
if( fd == -1 ) break; if( fd == -1 )
{
TracyDebug( " Failed to setup!\n");
break;
}
TracyDebug( " No access to kernel samples\n" ); TracyDebug( " No access to kernel samples\n" );
} }
new( s_ring+s_numBuffers ) RingBuffer( 64*1024, fd, EventCallstack ); new( s_ring+s_numBuffers ) RingBuffer( 64*1024, fd, EventCallstack );