[deliverable/linux.git] / 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]
Commit	Line	Data
86a9eee0 ACM	1	perf-diff(1)
	2	==============
	3
	4	NAME
	5	----
d30531c6	6	perf-diff - Read two perf.data files and display the differential profile
86a9eee0 ACM	7
	8	SYNOPSIS
	9	--------
	10	[verse]
	11	'perf diff' [oldfile] [newfile]
	12
	13	DESCRIPTION
	14	-----------
d30531c6	15	This command displays the performance difference amongst two perf.data files
86a9eee0 ACM	16	captured via perf record.
	17
	18	If no parameters are passed it will assume perf.data.old and perf.data.
	19
	20	OPTIONS
	21	-------
	22	-p::
	23	--percentage::
d30531c6	24	Show percentages instead of raw counts
86a9eee0 ACM	25	-v::
86a9eee0 ACM	26	--verbose::
d30531c6	27	Be verbose, for instance, show the raw counts in addition to the
86a9eee0	28	diff.
cdccc690	29
86a9eee0 ACM	30	SEE ALSO
	31	--------
	32	linkperf:perf-record[1]