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Sample time for hardware samples.

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This commit is contained in:
Bartosz Taudul 2021-06-04 12:50:55 +02:00
parent 1616411257
commit 2765be92fb
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GPG Key ID: B7FE2008B7575DF3
2 changed files with 40 additions and 29 deletions
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68
client/TracySysTrace.cpp
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@ -807,7 +807,7 @@ static void SetupSampling( int64_t& samplingPeriod )
pe.type = PERF_TYPE_HARDWARE;
pe.size = sizeof( perf_event_attr );
pe.sample_freq = 5000;
pe.sample_type = PERF_SAMPLE_IP;
pe.sample_type = PERF_SAMPLE_IP | PERF_SAMPLE_TIME;
pe.disabled = 1;
pe.exclude_kernel = 1;
pe.exclude_guest = 1;
@ -1022,39 +1022,49 @@ static void SetupSampling( int64_t& samplingPeriod )
{
// Layout:
// u64 ip
// u64 time
uint64_t ip;
uint64_t ip, t0;
s_ring[i].Read( &ip, offset, sizeof( uint64_t ) );
offset += sizeof( uint64_t );
s_ring[i].Read( &t0, offset, sizeof( uint64_t ) );
QueueType type;
switch( id )
#if defined TRACY_HW_TIMER && ( defined __i386 || defined _M_IX86 || defined __x86_64__ || defined _M_X64 )
t0 = s_ring[i].ConvertTimeToTsc( t0 );
if( t0 != 0 )
#endif
{
case EventCpuCycles:
type = QueueType::HwSampleCpuCycle;
break;
case EventInstructionsRetired:
type = QueueType::HwSampleInstructionRetired;
break;
case EventCacheReference:
type = QueueType::HwSampleCacheReference;
break;
case EventCacheMiss:
type = QueueType::HwSampleCacheMiss;
break;
case EventBranchRetired:
type = QueueType::HwSampleBranchRetired;
break;
case EventBranchMiss:
type = QueueType::HwSampleBranchMiss;
break;
default:
assert( false );
break;
}
QueueType type;
switch( id )
{
case EventCpuCycles:
type = QueueType::HwSampleCpuCycle;
break;
case EventInstructionsRetired:
type = QueueType::HwSampleInstructionRetired;
break;
case EventCacheReference:
type = QueueType::HwSampleCacheReference;
break;
case EventCacheMiss:
type = QueueType::HwSampleCacheMiss;
break;
case EventBranchRetired:
type = QueueType::HwSampleBranchRetired;
break;
case EventBranchMiss:
type = QueueType::HwSampleBranchMiss;
break;
default:
assert( false );
break;
}
TracyLfqPrepare( type );
MemWrite( &item->hwSample.ip, ip );
TracyLfqCommit;
TracyLfqPrepare( type );
MemWrite( &item->hwSample.ip, ip );
MemWrite( &item->hwSample.time, t0 );
TracyLfqCommit;
}
}
}
s_ring[i].Advance( hdr.size );

1
common/TracyQueue.hpp
View File

@ -482,6 +482,7 @@ struct QueueTidToPid
struct QueueHwSample
{
uint64_t ip;
int64_t time;
};
enum class PlotFormatType : uint8_t