blob: 23a5442b5b92dcf8964209bb024ed32733005f68 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
|
//===== Copyright (c) 1996-2005, Valve Corporation, All rights reserved. ======//
//
// Purpose:
//
//===========================================================================//
#include "tier0/platform.h"
#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"
// memdbgon must be the last include file in a .cpp file!!!
#include "tier0/memdbgon.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") );
}
#ifdef VPROF_ENABLED
g_VProfCurrentProfile.PMEInitialized( bInit );
#endif
}
//-----------------------------------------------------------------------------
// Purpose: Shutdown
//-----------------------------------------------------------------------------
void ShutdownPME( void )
{
PME *pPME = PME::Instance();
if ( pPME )
{
pPME->SetProcessPriority( ProcessPriorityNormal );
}
#ifdef VPROF_ENABLED
g_VProfCurrentProfile.PMEInitialized( false );
#endif
}
//=============================================================================
//
// 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
|