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synced 2024-11-22 14:44:34 +00:00
Reduce hardware sampling perdiod. Don't sample time.
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@ -731,16 +731,12 @@ static void SetupSampling( int64_t& samplingPeriod )
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pe.type = PERF_TYPE_HARDWARE;
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pe.size = sizeof( perf_event_attr );
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pe.config = PERF_COUNT_HW_CPU_CYCLES;
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pe.sample_freq = 25*1000*1000;
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pe.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID | PERF_SAMPLE_TIME;
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pe.sample_freq = 500*1000;
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pe.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TID;
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pe.disabled = 1;
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pe.exclude_kernel = 1;
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pe.exclude_idle = 1;
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pe.precise_ip = 2;
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#if !defined TRACY_HW_TIMER || !( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
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pe.use_clockid = 1;
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pe.clockid = CLOCK_MONOTONIC_RAW;
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#endif
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for( int i=0; i<s_numCpus; i++ )
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{
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@ -776,7 +772,7 @@ static void SetupSampling( int64_t& samplingPeriod )
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#if defined TRACY_HW_TIMER && ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
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for( int i=0; i<s_numBuffers; i++ )
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{
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if( !s_ring[i].CheckTscCaps() )
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if( s_ring[i].GetId() == EventCallstack && !s_ring[i].CheckTscCaps() )
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{
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for( int j=0; j<s_numBuffers; j++ ) s_ring[j].~RingBuffer<RingBufSize>();
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tracy_free( s_ring );
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@ -887,22 +883,15 @@ static void SetupSampling( int64_t& samplingPeriod )
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// Layout:
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// u64 ip
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// u32 pid, tid
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// u64 time
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uint32_t pid;
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s_ring[i].Read( &pid, offset + sizeof( uint64_t ), sizeof( uint32_t ) );
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if( pid == currentPid )
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{
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uint64_t ip, t0;
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uint64_t ip;
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uint32_t tid;
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s_ring[i].Read( &ip, offset, sizeof( uint64_t ) );
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offset += sizeof( uint64_t ) + sizeof( uint32_t ) + sizeof( uint32_t );
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s_ring[i].Read( &t0, offset, sizeof( uint64_t ) );
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#if defined TRACY_HW_TIMER && ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
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t0 = s_ring[i].ConvertTimeToTsc( t0 );
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#endif
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QueueType type;
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switch( id )
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@ -920,7 +909,6 @@ static void SetupSampling( int64_t& samplingPeriod )
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TracyLfqPrepare( type );
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MemWrite( &item->hwSample.ip, ip );
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MemWrite( &item->hwSample.time, t0 );
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TracyLfqCommit;
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}
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}
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@ -477,7 +477,6 @@ struct QueueTidToPid
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struct QueueHwSample
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{
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int64_t time;
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uint64_t ip;
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};
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