HP XC System 3.x Software - Manual (Page 5)

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
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