diskhits man page on Darwin

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diskhits(1m)			 USER COMMANDS			  diskhits(1m)

NAME
       diskhits - disk access by file offset. Uses DTrace.

SYNOPSIS
       diskhits pathname

DESCRIPTION
       This  prints  how  a file was accessed, the locations on a distribution
       plot.  This is for the cache misses  only  -  the  file	activity  that
       resulted in disk events.

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

EXAMPLES
       Sample /var/adm/messages disk activity,
	      # diskhits /var/adm/messages

FIELDS
       Location (KB)
	      the file offset of the disk activity, Kbytes

       Size (KB)
	      size of the disk activity, Kbytes

       Total RW
	      Total disk activity, reads + writes

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

DOCUMENTATION
       DTrace Guide "io 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
       diskhits will sample until Ctrl-C is hit.

SEE ALSO
       dtrace(1M)

version 0.72			 Apr 20, 2006			  diskhits(1m)
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