path: root/tools/perf/Documentation/perf-diff.txt

perf-diff(1)
==============

NAME
----
perf-diff - Read two perf.data files and display the differential profile

SYNOPSIS
--------
[verse]
'perf diff' [oldfile] [newfile]

DESCRIPTION
-----------
This command displays the performance difference amongst two perf.data files
captured via perf record.

If no parameters are passed it will assume perf.data.old and perf.data.

OPTIONS
-------
-p::
--percentage::
	Show percentages instead of raw counts
-v::
--verbose::
	Be verbose, for instance, show the raw counts in addition to the
	diff.

SEE ALSO
--------
linkperf:perf-record[1]