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fix can`t caputure context swithces on rooted Android 11 devices #853

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fix can`t caputure context swithces on rooted Android 11 devices #853

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11 changes: 8 additions & 3 deletions public/client/TracySysTrace.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -768,11 +768,16 @@ bool SysTraceStart( int64_t& samplingPeriod )
#endif

int switchId = -1, wakeupId = -1, vsyncId = -1;
const auto switchIdStr = ReadFile( "/sys/kernel/debug/tracing/events/sched/sched_switch/id" );
auto switchIdStr = ReadFile( "/sys/kernel/debug/tracing/events/sched/sched_switch/id" );
if( !switchIdStr) switchIdStr = ReadFile( "/sys/kernel/tracing/events/sched/sched_switch/id" );
if( switchIdStr ) switchId = atoi( switchIdStr );
const auto wakeupIdStr = ReadFile( "/sys/kernel/debug/tracing/events/sched/sched_wakeup/id" );

auto wakeupIdStr = ReadFile( "/sys/kernel/debug/tracing/events/sched/sched_wakeup/id" );
if( !wakeupIdStr) wakeupIdStr = ReadFile( "/sys/kernel/tracing/events/sched/sched_wakeup/id" );
if( wakeupIdStr ) wakeupId = atoi( wakeupIdStr );
const auto vsyncIdStr = ReadFile( "/sys/kernel/debug/tracing/events/drm/drm_vblank_event/id" );

auto vsyncIdStr = ReadFile( "/sys/kernel/debug/tracing/events/drm/drm_vblank_event/id" );
if( !vsyncIdStr) vsyncIdStr = ReadFile( "/sys/kernel/tracing/events/drm/drm_vblank_event/id" );
if( vsyncIdStr ) vsyncId = atoi( vsyncIdStr );

TracyDebug( "sched_switch id: %i\n", switchId );
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