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Xtools Overview
The Xtools utilities are X11 clients with GUIs that enable you to monitor the performance of
multiple systems and individual systems. The Xtools bundle consists of the following utilities:
• xclus and xcxclus
The xclus and xcxclus utilities enable you to monitor performance and resource utilization
for multiple systems or nodes in a cluster. By default, xclus displays processor-specific
statistics (enhanced statistics) for the processors listed in Table 1-1 (page 20), and xcxclus
displays processor-independent statistics (generic statistics) for the processors listed in
Table 1-2 (page 20).
Table 1-3 (page 21) lists the statistics that xclus and xcxclus display.
On cluster systems, the xclus and xcxclus utilities monitor only the nodes in your job
allocation by default. When monitoring nodes in your job allocation, the utilities verify that
the nodes in its display are in your job allocation. When the utilities detect that a node is no
longer in your job allocation, they stop displaying information about that node. When a
utility detects that you have no nodes in your job allocation, it terminates.
• xperf and xcxperf
The xperf and xcxperf utilities enable you to monitor performance and resource utilization
for individual systems. By default, xperf displays enhanced statistics for the processors
listed in Table 1-1 (page 20), and xcxperf displays generic statistics for the processors
listed in Table 1-2 (page 20).
Table 1-4 (page 23) lists a summary of the statistics that xperf and xcxperf display. For
detailed lists of xperf and xcxperf statistics, see “Viewing Itanium xperf (Enhanced)
Statistics” (page 96), “Viewing AMD Opteron xperf (Enhanced) Statistics” (page 98), and
“Viewing xcxperf (Generic) Statistics” (page 101).
The Xtools also include the following daemons:
apmond
clusmond
The Xtools also use the following HP XC daemons:
mond
supermon
For more information about these daemons, see “Xtools Daemons” (page 111).
Using xclus and xcxclus
The following sections describe general procedures for using xclus and xcxclus. The xclus
and xcxclus utilities are very similar, and the procedures for using them are the same, except
for the following differences:
• The xclus utility displays processor-specific (enhanced) data by default. The xcxclus
utility displays processor-independent (generic) data by default. Table 1-3 (page 21) lists
the information displayed by each utility.
The sections “Viewing Generic Data with xclus or xperf” (page 109) and “Viewing
Enhanced Data with xcxclus or xcxperf” (page 110) describe how to display alternate
data sets.
• The xclus and xcxclus utilities support the -unrestricted-nodes option that enables
you to specify and monitor nodes outside your job allocation. The xcxclus utility requires
superuser privileges to use the -unrestricted-nodes option. The xclus utility does
76 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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