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

NAME
----
perf-diff - Read perf.data (created by perf record) and display the profile

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

DESCRIPTION
-----------
This command displays the performance difference among 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 counters
-v::
--verbose::
	Be verbose, for instance, show the raw counters in addition to the
	diff.
SEE ALSO
--------
linkperf:perf-record[1]