1HEADmaster

1 files changed, 152 insertions, 0 deletions

diff --git a/tier0/pme.cpp b/tier0/pme.cpp
new file mode 100644
index 0000000..512bb68
--- /dev/null
+++ b/tier0/pme.cpp
@@ -0,0 +1,152 @@
+//========= Copyright Valve Corporation, All rights reserved. ============//
+//
+// Purpose: 
+//
+//=============================================================================//
+
+#include "pch_tier0.h"
+#define WINDOWS_LEAN_AND_MEAN
+#include <windows.h>
+
+#pragma warning( disable : 4530 )   // warning: exception handler -GX option
+
+#include "tier0/platform.h"
+#include "tier0/vprof.h"
+#include "tier0/pmelib.h"
+#include "tier0/l2cache.h"
+#include "tier0/dbg.h"
+
+//-----------------------------------------------------------------------------
+// Purpose: Initialization
+//-----------------------------------------------------------------------------
+void InitPME( void )
+{
+	bool bInit = false;
+
+	PME *pPME = PME::Instance();
+	if ( pPME )
+	{
+		if ( pPME->GetVendor() != INTEL )
+			return;
+		
+		if ( pPME->GetProcessorFamily() != PENTIUM4_FAMILY )
+			return;
+		
+		pPME->SetProcessPriority( ProcessPriorityHigh );
+
+		bInit = true;
+
+		DevMsg( 1, _T("PME Initialized.\n") );
+	}
+	else
+	{
+		DevMsg( 1, _T("PME Uninitialized.\n") );
+	}
+
+	g_VProfCurrentProfile.PMEInitialized( bInit );
+}
+
+//-----------------------------------------------------------------------------
+// Purpose: Shutdown
+//-----------------------------------------------------------------------------
+void ShutdownPME( void )
+{
+	PME *pPME = PME::Instance();
+	if ( pPME )
+	{
+	   pPME->SetProcessPriority( ProcessPriorityNormal );
+	}
+
+	g_VProfCurrentProfile.PMEInitialized( false );
+}
+
+//=============================================================================
+//
+// CL2Cache Code.
+//
+
+static int s_nCreateCount = 0;
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CL2Cache::CL2Cache()
+{
+	m_nID = s_nCreateCount++;
+	m_pL2CacheEvent = new P4Event_BSQ_cache_reference;
+	m_iL2CacheMissCount = 0;
+	m_i64Start = 0;
+	m_i64End = 0;
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+CL2Cache::~CL2Cache()
+{
+	if ( m_pL2CacheEvent )
+	{
+		delete m_pL2CacheEvent;
+		m_pL2CacheEvent = NULL;
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CL2Cache::Start( void )
+{
+	if ( m_pL2CacheEvent )
+	{
+		// Set this up to check for L2 cache misses.
+		m_pL2CacheEvent->eventMask->RD_2ndL_MISS = 1;
+		
+		// Set the event mask and set the capture mode. 
+//		m_pL2CacheEvent->SetCaptureMode( USR_Only );
+		m_pL2CacheEvent->SetCaptureMode( OS_and_USR );
+		
+		// That's it, now sw capture events
+		m_pL2CacheEvent->StopCounter();
+		m_pL2CacheEvent->ClearCounter();
+		
+		m_pL2CacheEvent->StartCounter();
+		m_i64Start = m_pL2CacheEvent->ReadCounter();
+	}
+}
+
+//-----------------------------------------------------------------------------
+// Purpose:
+//-----------------------------------------------------------------------------
+void CL2Cache::End( void )
+{
+	if ( m_pL2CacheEvent )
+	{
+		// Stop the counter and find the delta.
+		m_i64End = m_pL2CacheEvent->ReadCounter();
+		int64 i64Delta = m_i64End - m_i64Start;
+		m_pL2CacheEvent->StopCounter(); 
+		
+		// Save the delta for later query.
+		m_iL2CacheMissCount = ( int )i64Delta;
+	}
+}
+
+#pragma warning( default : 4530 )
+
+#ifdef DBGFLAG_VALIDATE
+//-----------------------------------------------------------------------------
+// Purpose: Ensure that all of our internal structures are consistent, and
+//			account for all memory that we've allocated.
+// Input:	validator -		Our global validator object
+//			pchName -		Our name (typically a member var in our container)
+//-----------------------------------------------------------------------------
+void CL2Cache::Validate( CValidator &validator, tchar *pchName )
+{
+	validator.Push( _T("CL2Cache"), this, pchName );
+
+	validator.ClaimMemory( m_pL2CacheEvent );
+
+	validator.Pop( );
+}
+#endif // DBGFLAG_VALIDATE
+