mirror of
https://github.com/nillerusr/source-engine.git
synced 2024-12-23 14:46:53 +00:00
73 lines
1.9 KiB
C
73 lines
1.9 KiB
C
|
//========= Copyright Valve Corporation, All rights reserved. ============//
|
||
|
|
//
|
||
|
|
// Purpose: Analogous to l2cache.h, this class represents information gleaned
|
||
|
|
// from the 360's Performance Monitor Counters. In particular we
|
||
|
|
// are interested in l2 cache misses and load-hit-stores.
|
||
|
|
//
|
||
|
|
//=============================================================================//
|
||
|
|
#ifndef CPMCDATA_H
|
||
|
|
#define CPMCDATA_H
|
||
|
|
#ifdef _WIN32
|
||
|
|
#pragma once
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#ifndef _X360
|
||
|
|
#error This file must only be compiled for XBOX360!
|
||
|
|
#endif
|
||
|
|
|
||
|
|
|
||
|
|
// Warning:
|
||
|
|
// As written, this class only supports profiling thread 0, processor 0.
|
||
|
|
|
||
|
|
class CPMCData
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
|
||
|
|
CPMCData();
|
||
|
|
~CPMCData() {};
|
||
|
|
|
||
|
|
void Start( void );
|
||
|
|
void End( void );
|
||
|
|
|
||
|
|
/// This function should be called exactly once during the lifespan of the program;
|
||
|
|
/// it will set up the counters to record the information we are interested in.
|
||
|
|
/// This will stomp on whoever else might have set the performance counters elsewhere
|
||
|
|
/// in the game.
|
||
|
|
static void InitializeOnceProgramWide( void );
|
||
|
|
static bool IsInitialized();
|
||
|
|
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
// GetL2CacheMisses
|
||
|
|
//-------------------------------------------------------------------------
|
||
|
|
uint64 GetL2CacheMisses( void ) const
|
||
|
|
{
|
||
|
|
return m_Delta.L2CacheMiss;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint64 GetLHS( void ) const
|
||
|
|
{
|
||
|
|
return m_Delta.LHS;
|
||
|
|
}
|
||
|
|
|
||
|
|
/*
|
||
|
|
#ifdef DBGFLAG_VALIDATE
|
||
|
|
void Validate( CValidator &validator, tchar *pchName ); // Validate our internal structures
|
||
|
|
#endif // DBGFLAG_VALIDATE
|
||
|
|
*/
|
||
|
|
|
||
|
|
private:
|
||
|
|
/// represents saved numbers from the counters we are interested in
|
||
|
|
struct PMCounters
|
||
|
|
{
|
||
|
|
uint64 L2CacheMiss;
|
||
|
|
uint64 LHS; ///< load hit store
|
||
|
|
|
||
|
|
PMCounters(int64 _l2cm, int64 _lhs ) : L2CacheMiss(_l2cm), LHS(_lhs) {};
|
||
|
|
PMCounters() : L2CacheMiss(0), LHS(0) {};
|
||
|
|
};
|
||
|
|
|
||
|
|
PMCounters m_OnStart; ///< values when we began the timer
|
||
|
|
PMCounters m_Delta ; ///< computed total delta between start/stop
|
||
|
|
};
|
||
|
|
|
||
|
|
#endif // CPMCDATA_H
|