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Read and report power usage.
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@ -4,11 +4,13 @@
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#include <sys/types.h>
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#include <dirent.h>
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#include <chrono>
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#include <inttypes.h>
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#include <stdio.h>
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#include <string.h>
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#include "TracyDebug.hpp"
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#include "TracyProfiler.hpp"
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#include "../common/TracyAlloc.hpp"
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namespace tracy
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@ -16,6 +18,7 @@ namespace tracy
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SysPower::SysPower()
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: m_domains( 4 )
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, m_lastTime( 0 )
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{
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ScanDirectory( "/sys/devices/virtual/powercap/intel-rapl", -1 );
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}
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@ -31,6 +34,36 @@ SysPower::~SysPower()
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void SysPower::Tick()
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{
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auto t = std::chrono::high_resolution_clock::now().time_since_epoch().count();
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if( t - m_lastTime > 10000000 ) // 10 ms
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{
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m_lastTime = t;
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for( auto& v : m_domains )
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{
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char tmp[32];
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if( fread( tmp, 1, 32, v.handle ) > 0 )
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{
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rewind( v.handle );
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auto p = (uint64_t)atoll( tmp );
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uint64_t delta;
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if( p >= v.value )
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{
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delta = p - v.value;
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}
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else
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{
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delta = v.overflow - v.value + p;
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}
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v.value = p;
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TracyLfqPrepare( QueueType::SysPowerReport );
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MemWrite( &item->sysPower.time, Profiler::GetTime() );
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MemWrite( &item->sysPower.delta, delta );
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MemWrite( &item->sysPower.name, (uint64_t)v.name );
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TracyLfqCommit;
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}
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}
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}
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}
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void SysPower::ScanDirectory( const char* path, int parent )
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@ -35,6 +35,7 @@ private:
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void ScanDirectory( const char* path, int parent );
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FastVector<Domain> m_domains;
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uint64_t m_lastTime;
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};
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}
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@ -9,7 +9,7 @@ namespace tracy
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constexpr unsigned Lz4CompressBound( unsigned isize ) { return isize + ( isize / 255 ) + 16; }
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enum : uint32_t { ProtocolVersion = 63 };
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enum : uint32_t { ProtocolVersion = 64 };
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enum : uint16_t { BroadcastVersion = 3 };
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using lz4sz_t = uint32_t;
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@ -90,6 +90,7 @@ enum class QueueType : uint8_t
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GpuNewContext,
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CallstackFrame,
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SysTimeReport,
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SysPowerReport,
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TidToPid,
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HwSampleCpuCycle,
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HwSampleInstructionRetired,
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@ -563,6 +564,13 @@ struct QueueSysTime
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float sysTime;
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};
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struct QueueSysPower
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{
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int64_t time;
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uint64_t delta;
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uint64_t name; // ptr
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};
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struct QueueContextSwitch
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{
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int64_t time;
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@ -729,6 +737,7 @@ struct QueueItem
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QueueCrashReport crashReport;
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QueueCrashReportThread crashReportThread;
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QueueSysTime sysTime;
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QueueSysPower sysPower;
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QueueContextSwitch contextSwitch;
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QueueThreadWakeup threadWakeup;
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QueueTidToPid tidToPid;
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@ -832,6 +841,7 @@ static constexpr size_t QueueDataSize[] = {
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sizeof( QueueHeader ) + sizeof( QueueGpuNewContext ),
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sizeof( QueueHeader ) + sizeof( QueueCallstackFrame ),
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sizeof( QueueHeader ) + sizeof( QueueSysTime ),
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sizeof( QueueHeader ) + sizeof( QueueSysPower ),
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sizeof( QueueHeader ) + sizeof( QueueTidToPid ),
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sizeof( QueueHeader ) + sizeof( QueueHwSample ), // cpu cycle
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sizeof( QueueHeader ) + sizeof( QueueHwSample ), // instruction retired
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