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Move ring identifier check out of the loop.

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This commit is contained in:
Bartosz Taudul 2022-06-16 13:48:15 +02:00
parent 145e3e213a
commit aee8336847
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GPG Key ID: B7FE2008B7575DF3
1 changed files with 20 additions and 9 deletions
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29
client/TracySysTrace.cpp
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@ -1150,18 +1150,18 @@ void SysTraceWorker( void* ptr )
const auto id = ring.GetId();
assert( id != EventContextSwitch );
const auto end = head - tail;
uint64_t pos = 0;
while( pos < end )
if( id == EventCallstack )
{
perf_event_header hdr;
ring.Read( &hdr, pos, sizeof( perf_event_header ) );
if( hdr.type == PERF_RECORD_SAMPLE )
while( pos < end )
{
auto offset = pos + sizeof( perf_event_header );
if( id == EventCallstack )
perf_event_header hdr;
ring.Read( &hdr, pos, sizeof( perf_event_header ) );
if( hdr.type == PERF_RECORD_SAMPLE )
{
auto offset = pos + sizeof( perf_event_header );
// Layout:
// u32 pid, tid
// u64 time
@ -1194,8 +1194,19 @@ void SysTraceWorker( void* ptr )
TracyLfqCommit;
}
}
else
pos += hdr.size;
}
}
else
{
while( pos < end )
{
perf_event_header hdr;
ring.Read( &hdr, pos, sizeof( perf_event_header ) );
if( hdr.type == PERF_RECORD_SAMPLE )
{
auto offset = pos + sizeof( perf_event_header );
// Layout:
// u64 ip
// u64 time
@ -1239,8 +1250,8 @@ void SysTraceWorker( void* ptr )
MemWrite( &item->hwSample.time, t0 );
TracyLfqCommit;
}
pos += hdr.size;
}
pos += hdr.size;
}
assert( pos == end );
ring.Advance( end );