perf diff: Improve the help text
Fix the short line displayed by 'perf' and also fix some other
details in the longer text.
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/tools/perf/Documentation/perf-diff.txt b/tools/perf/Documentation/perf-diff.txt
index bd1ee55..b7c393b 100644
--- a/tools/perf/Documentation/perf-diff.txt
+++ b/tools/perf/Documentation/perf-diff.txt
@@ -3,7 +3,7 @@
NAME
----
-perf-diff - Read perf.data (created by perf record) and display the profile
+perf-diff - Read two perf.data files and display the differential profile
SYNOPSIS
--------
@@ -12,7 +12,7 @@
DESCRIPTION
-----------
-This command displays the performance difference among two perf.data files
+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.
@@ -21,10 +21,10 @@
-------
-p::
--percentage::
- Show percentages instead of raw counters
+ Show percentages instead of raw counts
-v::
--verbose::
- Be verbose, for instance, show the raw counters in addition to the
+ Be verbose, for instance, show the raw counts in addition to the
diff.
SEE ALSO
--------