pridist.d man page on MacOSX

pridist.d man page on MacOSX

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

NAME
       pridist.d - process priority distribution. Uses DTrace.

SYNOPSIS
       pridist.d

DESCRIPTION
       This is a simple DTrace script that samples at 1000 Hz which process is
       on the CPUs, and what the priority is. A distribution plot is printed.

       With priorities, the higher the priority the better chance the  process
       (actually, thread) has of being scheduled.

       This  idea  came from the script /usr/demo/dtrace/profpri.d, which pro‐
       duces similar output for one particular PID.

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

EXAMPLES
       This samples until Ctrl-C is hit.
	      # pridist.d

FIELDS
       CMD    process name

       PID    process ID

       value  process priority

       count  number of samples of at least this priority

BASED ON
       /usr/demo/dtrace/profpri.d

DOCUMENTATION
       DTrace Guide "profile Provider" chapter (docs.sun.com)

       See  the	 DTraceToolkit for further documentation under the Docs direc‐
       tory. The DTraceToolkit docs may include full worked examples with ver‐
       bose descriptions explaining the output.

EXIT
       pridist.d will sample until Ctrl-C is hit.

SEE ALSO
       dispadmin(1M), dtrace(1M)

version 0.90			 Jun 13, 2005			 pridist.d(1m)

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