Hp XC System 3.x Software Bedienungsanleitung Seite 5
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Displaying Raw Values....................................................................................................................53
Limiting the hpcpiprof Output....................................................................................................54
Additional Options..........................................................................................................................54
Tips and Best Practices for Using HPCPI.............................................................................................55
Tips..................................................................................................................................................55
Using Event Sets.........................................................................................................................55
Stopping the Daemon After You Finish Collecting Data (hpcpictl quit)...........................55
Limiting the Event Count Display (hpcpiprof -keep Option)............................................56
Using Database Directories, Epochs, or Labels to Organize Your Data....................................56
Database Directories.............................................................................................................56
Epochs...................................................................................................................................56
Labels....................................................................................................................................56
Event Intervals.................................................................................................................................56
Multiple Duty Groups.....................................................................................................................56
Itanium Instruction Metrics.............................................................................................................57
Measuring Memory Controller and HyperTransport Events.........................................................57
HyperTransport Transmit and Receive Events..........................................................................57
5 Using HPCPI Labels......................................................................................................59
Overview...............................................................................................................................................59
Simple HPCPI Session Using Labels....................................................................................................60
Step 1: Setting Up the Environment and Starting the Daemon.......................................................60
Step 2: Establishing the Label and Running the Application..........................................................60
Step 3: Flushing the Data.................................................................................................................60
Step 4: Using the Label with hpcpiprof.......................................................................................60
Step 5: Stopping the HPCPI Daemon..............................................................................................61
Label Selectors.......................................................................................................................................62
Selector Operators...........................................................................................................................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
Using Epochs with Labels...............................................................................................................64
Label Examples.....................................................................................................................................65
Existing Processes: -pid pid........................................................................................................65
Using Labels with Application Arguments.....................................................................................65
Using the Application Argument in the Label Name................................................................65
Utilities that Spawn Processes: -pgid this.................................................................................65
Spawned Processes without the Originator: -pgid this -pid this -not......................65
All Processes: -pid -1 -not........................................................................................................65
Kernel Idle Data: -pid 0................................................................................................................66
Kernel Idle Data Per CPU...........................................................................................................66
Creating Labels in Programs................................................................................................................67
C Code Example..............................................................................................................................67
Notes...........................................................................................................................................68
Fortran Code Example.....................................................................................................................68
6 Using HPCPI on an HP XC Cluster.............................................................................69
Overview...............................................................................................................................................69
Table of Contents 5
- 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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