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Code Issues Releases Wiki Activity

Set per-cpu kernel buffer size to 512 KB.

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The default setting was causing events to be lost on Android.
This commit is contained in:
Bartosz Taudul 2019-11-03 21:52:20 +01:00
parent b8d459d48b
commit f34609fd9b
1 changed files with 2 additions and 0 deletions
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2
client/TracySysTrace.cpp
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@ -353,6 +353,7 @@ static const char TraceOptions[] = "trace_options";
static const char TraceClock[] = "trace_clock"; static const char TraceClock[] = "trace_clock";
static const char SchedSwitch[] = "events/sched/sched_switch/enable"; static const char SchedSwitch[] = "events/sched/sched_switch/enable";
static const char SchedWakeup[] = "events/sched/sched_wakeup/enable"; static const char SchedWakeup[] = "events/sched/sched_wakeup/enable";
static const char BufferSizeKb[] = "buffer_size_kb";
static const char TracePipe[] = "trace_pipe"; static const char TracePipe[] = "trace_pipe";
#ifdef __ANDROID__ #ifdef __ANDROID__
@ -442,6 +443,7 @@ bool SysTraceStart()
#endif #endif
if( !TraceWrite( SchedSwitch, sizeof( SchedSwitch ), "1", 2 ) ) return false; if( !TraceWrite( SchedSwitch, sizeof( SchedSwitch ), "1", 2 ) ) return false;
if( !TraceWrite( SchedWakeup, sizeof( SchedWakeup ), "1", 2 ) ) return false; if( !TraceWrite( SchedWakeup, sizeof( SchedWakeup ), "1", 2 ) ) return false;
if( !TraceWrite( BufferSizeKb, sizeof( BufferSizeKb ), "512", 4 ) ) return false;
#if defined __ANDROID__ && ( defined __aarch64__ || defined __ARM_ARCH ) #if defined __ANDROID__ && ( defined __aarch64__ || defined __ARM_ARCH )
SysTraceInjectPayload(); SysTraceInjectPayload();