cpuwalk.d(1m) Mac OS X Manual Page

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cpuwalk.d(1m)                                   USER COMMANDS                                  cpuwalk.d(1m)



NAME
       cpuwalk.d - Measure which CPUs a process runs on. Uses DTrace.

SYNOPSIS
       cpuwalk.d [duration]

DESCRIPTION
       This program is for multi-CPU servers, and can help identify if a process is running on multiple CPUs
       concurrently or not.

       A duration may be specified in seconds.

       Since this uses DTrace, only users with root privileges can run this command.

EXAMPLES
       this runs until Ctrl-C is hit,
              # cpuwalk.d


       run for 5 seconds,
              # cpuwalk.d 5


FIELDS
       PID    process ID

       CMD    process name

       value  CPU id

       count  number of samples (sample at 100 hz)


DOCUMENTATION
       See the DTraceToolkit for further documentation under the Docs directory. The DTraceToolkit docs  may
       include full worked examples with verbose descriptions explaining the output.

EXIT
       cpuwalk.d will run until Ctrl-C is hit, or the duration specified is reached.

SEE ALSO
       threaded.d(1M), dtrace(1M)




version 0.90                                    Sep 22, 2005                                   cpuwalk.d(1m)

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