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Increase sampling frequency to 10 kHz.

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Works fine on bare metal.
This commit is contained in:
Bartosz Taudul 2020-08-12 22:18:59 +02:00
parent 8e9a701277
commit 98fe63b5eb
1 changed files with 2 additions and 2 deletions
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4
client/TracySysTrace.cpp
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@ -627,7 +627,7 @@ static int perf_event_open( struct perf_event_attr* hw_event, pid_t pid, int cpu
static void SetupSampling( int64_t& samplingPeriod )
{
samplingPeriod = 1000*1000;
samplingPeriod = 100*1000;
s_numCpus = (int)std::thread::hardware_concurrency();
s_ring = (RingBuffer*)tracy_malloc( sizeof( RingBuffer ) * s_numCpus );
@ -638,7 +638,7 @@ static void SetupSampling( int64_t& samplingPeriod )
pe.size = sizeof( perf_event_attr );
pe.config = PERF_COUNT_SW_CPU_CLOCK;
pe.sample_freq = 1000;
pe.sample_freq = 10000;
pe.sample_type = PERF_SAMPLE_TID | PERF_SAMPLE_TIME | PERF_SAMPLE_CALLCHAIN;
pe.sample_max_stack = 127;
pe.exclude_callchain_kernel = 1;