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authorJiri Olsa <jolsa@redhat.com>2012-10-05 16:44:45 +0200
committerArnaldo Carvalho de Melo <acme@redhat.com>2012-10-05 14:13:36 -0300
commited279da2fc9774b4c0dc9fd513fa89a11cae3f56 (patch)
treecf7f38620d7e7ede1976b999ae613c35db959fc8 /tools/perf/Documentation/perf-diff.txt
parent61949b212e7f6f8f31891236ba24033f9b7af8c3 (diff)
downloadlinux-ed279da2fc9774b4c0dc9fd513fa89a11cae3f56.tar.gz
perf diff: Add -F option to display formula for computation
Adding -F option to display the formula for specified computation. This is mainly to facilitate debugging, but can be useful anyway. Signed-off-by: Jiri Olsa <jolsa@redhat.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com> Cc: Frederic Weisbecker <fweisbec@gmail.com> Cc: Ingo Molnar <mingo@elte.hu> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Paul Mackerras <paulus@samba.org> Cc: Peter Zijlstra <a.p.zijlstra@chello.nl> Link: http://lkml.kernel.org/r/1349448287-18919-7-git-send-email-jolsa@redhat.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation/perf-diff.txt')
-rw-r--r--tools/perf/Documentation/perf-diff.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index 21cc2ef7756b..194f37d635df 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -87,6 +87,10 @@ OPTIONS
--period::
Show period values for both compared hist entries.
+-F::
+--formula::
+ Show formula for given computation.
+
COMPARISON METHODS
------------------
delta