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• L2I Misses: ICACHE_REFILLS_FROM_LS_FROM.SYSTEM
• Misses: ICACHE_MISSES
• Icache Fetches: ICACHE_FETCHES
Branch
Displays the following branch metrics:
• Branch Rate: RETIRED_BRANCHES / RETIRED_INSTRS
• Mispredicts: RETIRED_BRANCHES_MISPREDICTED / RETIRED_BRANCHES
• Branches Taken: RETIRED_TAKEN_BRANCHES / RETIRED_BRANCHES
DRAM
Displays the following events per unhalted cycles:
• DRAM Conflicts Per 10k Cycles: DRAM_ACCESSES.PAGE_CONFLICT
• DRAM Misses Per 10k Cycles: DRAM_ACCESSES.PAGE_MISS
• DRAM Hits Per 10k Cycles: DRAM_ACCESSES.PAGE_HIT
Memory (Third Generation AMD Opteron Only)
Displays the following events per unhalted cycles:
• Read Requests: MEMCTL_REQUESTS.READ_REQS_TO_DCT
• Write Requests: MEMCTL_REQUESTS.WRITE_REQS_TO_DCT
• Prefetch Requests: MEMCTL_REQUESTS.PREFETCH_REQS_TO_DCT
CpuloRequests (AMD Opteron Only)
Displays the following local and remote requests events per retired instruction:
• Local Memory Requests: REQUEST_FLOW.LOCAL_TO_LOCAL.ANY_TO_MEM
• Remote Memory Requests: REQUEST_FLOW.LOCAL_TO_REMOTE.ANY_TO_MEM
• Local IO Requests: REQUEST_FLOW.LOCAL_TO_LOCAL.ANY_TO_IO
• Remote IO Requests: REQUEST_FLOW.LOCAL_TO_REMOTE.ANY_TO_IO
Other: all other requests
HTn (HyperTransport Links)
Displays the HyperTransport bandwidth utilization for the following types of traffic, where n
is the link number:
• Release: HT_LINK_n_XMIT_BW.RELEASE / HT_LINK_n_XMIT_BW.ALL
• Data: HT_LINK_n_XMIT_BW.DATA / HT_LINK_n_XMIT_BW.ALL
• Command: HT_LINK_n_XMIT_BW.COMMAND / HT_LINK_n_XMIT_BW.ALL
• Nop: The remainder of the bandwidth
100 Using Xtools
- HP Part Number: 5992-4009 1
- Published: March 2008 1
- Edition: 1 1
- Table of Contents 3
- 4 Table of Contents 4
- Table of Contents 5 5
- 6 Table of Contents 6
- Table of Contents 7 7
- 8 Table of Contents 8
- List of Figures 9
- List of Tables 11
- About This Document 13
- Related Information 14
- Publishing History 14
- HP Encourages Your Comments 15
- 1 Introduction 17
- 18 Introduction 18
- 22 Introduction 22
- 2 Installing HPCPI and Xtools 25
- Installing the Software 26
- Installing the Software 27 27
- Installing the Software 29 29
- Verifying the Installation 30
- Removing the Software 30
- 3 Getting Started with HPCPI 31
- 32 Getting Started with HPCPI 32
- 4 Using HPCPI 35
- Starting the hpcpid Daemon 36
- Selecting Events to Monitor 37
- Commonly Used Event Sets 38
- Event Duty Qualifier 39
- Labeling Data 40
- 42 Using HPCPI 42
- Default Input Data 43
- Flushing Data: hpcpictl flush 43
- HPCPI Header 44
- HPCPI Procedure Header 46
- 48 Using HPCPI 48
- 50 Using HPCPI 50
- HPCPI Utility Options 51
- Specifying Events to Display 52
- Selecting Data by Label 52
- Displaying Raw Values 53
- Limiting the hpcpiprof Output 54
- Additional Options 54
- Using Event Sets 55
- Event Intervals 56
- Multiple Duty Groups 56
- Itanium Instruction Metrics 57
- 5 Using HPCPI Labels 59
- Step 3: Flushing the Data 60
- Label Selectors 62
- -not Operator 63
- -and Operator 63
- -or Operator 63
- -equiv Operator 63
- Operator Syntax 63
- Multiple Labels 64
- Reusing Labels 64
- Comparing Epochs and Labels 64
- Label Examples 65
- Kernel Idle Data: -pid 0 66
- Creating Labels in Programs 67
- Fortran Code Example 68
- Overview 69
- % setenv HPCPIDB ~/hpcpidb 70
- % mkdir -p $HPCPIDB 70
- % hpcpid -create-epoch 70
- Submitting the Job 71
- Collecting Data on One Node 73
- 7 Using Xtools 75
- Xtools Overview 76
- Using xclus and xcxclus 76
- Using xclus and xcxclus 77 77
- Starting xclus and xcxclus 78
- Starting xclus and xcxclus 79 79
- 80 Using Xtools 80
- 82 Using Xtools 82
- 84 Using Xtools 84
- 86 Using Xtools 86
- Recording Data 89
- Replaying Data 89
- Plotting Data 89
- 90 Using Xtools 90
- Viewing Grouped Nodes 92
- Using xperf and xcxperf 94
- Starting xperf and xcxperf 94
- Instructions 96
- Sum I/O B/W 97
- 98 Using Xtools 98
- HTn (HyperTransport Links) 100
- 102 Using Xtools 102
- 106 Using Xtools 106
- 108 Using Xtools 108
- % xclus -generic 109
- % xcxclus -enhanced -apmond 110
- Xtools Daemons 111
- A Product Specifications 113
- 114 Product Specifications 114
- HPCPI Product Limitations 115
- Calls to exec() 116
- Unknown Locations 116
- Mandated Duty Groups 116
- Active Fraction Changes 116
- B HPCPI Quick Reference 117
- Viewing HPCPI Data 118
- C Xtools Quick Reference 119
- Starting xperf or xcxperf 121
- Glossary 123
- 124 Glossary 124
- 126 Index 126
- 128 Index 128
- 130 Index 130
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