Read and report power usage.

This commit is contained in:
Bartosz Taudul 2023-03-10 00:23:09 +01:00
parent c3e7157cd5
commit 2971db21e3
No known key found for this signature in database
GPG Key ID: B7FE2008B7575DF3
4 changed files with 45 additions and 1 deletions

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@ -4,11 +4,13 @@
#include <sys/types.h>
#include <dirent.h>
#include <chrono>
#include <inttypes.h>
#include <stdio.h>
#include <string.h>
#include "TracyDebug.hpp"
#include "TracyProfiler.hpp"
#include "../common/TracyAlloc.hpp"
namespace tracy
@ -16,6 +18,7 @@ namespace tracy
SysPower::SysPower()
: m_domains( 4 )
, m_lastTime( 0 )
{
ScanDirectory( "/sys/devices/virtual/powercap/intel-rapl", -1 );
}
@ -31,6 +34,36 @@ SysPower::~SysPower()
void SysPower::Tick()
{
auto t = std::chrono::high_resolution_clock::now().time_since_epoch().count();
if( t - m_lastTime > 10000000 ) // 10 ms
{
m_lastTime = t;
for( auto& v : m_domains )
{
char tmp[32];
if( fread( tmp, 1, 32, v.handle ) > 0 )
{
rewind( v.handle );
auto p = (uint64_t)atoll( tmp );
uint64_t delta;
if( p >= v.value )
{
delta = p - v.value;
}
else
{
delta = v.overflow - v.value + p;
}
v.value = p;
TracyLfqPrepare( QueueType::SysPowerReport );
MemWrite( &item->sysPower.time, Profiler::GetTime() );
MemWrite( &item->sysPower.delta, delta );
MemWrite( &item->sysPower.name, (uint64_t)v.name );
TracyLfqCommit;
}
}
}
}
void SysPower::ScanDirectory( const char* path, int parent )

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@ -35,6 +35,7 @@ private:
void ScanDirectory( const char* path, int parent );
FastVector<Domain> m_domains;
uint64_t m_lastTime;
};
}

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@ -9,7 +9,7 @@ namespace tracy
constexpr unsigned Lz4CompressBound( unsigned isize ) { return isize + ( isize / 255 ) + 16; }
enum : uint32_t { ProtocolVersion = 63 };
enum : uint32_t { ProtocolVersion = 64 };
enum : uint16_t { BroadcastVersion = 3 };
using lz4sz_t = uint32_t;

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@ -90,6 +90,7 @@ enum class QueueType : uint8_t
GpuNewContext,
CallstackFrame,
SysTimeReport,
SysPowerReport,
TidToPid,
HwSampleCpuCycle,
HwSampleInstructionRetired,
@ -563,6 +564,13 @@ struct QueueSysTime
float sysTime;
};
struct QueueSysPower
{
int64_t time;
uint64_t delta;
uint64_t name; // ptr
};
struct QueueContextSwitch
{
int64_t time;
@ -729,6 +737,7 @@ struct QueueItem
QueueCrashReport crashReport;
QueueCrashReportThread crashReportThread;
QueueSysTime sysTime;
QueueSysPower sysPower;
QueueContextSwitch contextSwitch;
QueueThreadWakeup threadWakeup;
QueueTidToPid tidToPid;
@ -832,6 +841,7 @@ static constexpr size_t QueueDataSize[] = {
sizeof( QueueHeader ) + sizeof( QueueGpuNewContext ),
sizeof( QueueHeader ) + sizeof( QueueCallstackFrame ),
sizeof( QueueHeader ) + sizeof( QueueSysTime ),
sizeof( QueueHeader ) + sizeof( QueueSysPower ),
sizeof( QueueHeader ) + sizeof( QueueTidToPid ),
sizeof( QueueHeader ) + sizeof( QueueHwSample ), // cpu cycle
sizeof( QueueHeader ) + sizeof( QueueHwSample ), // instruction retired