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authorChangbin Du <changbin.du@intel.com>2017-03-13 11:32:52 +0300
committerArnaldo Carvalho de Melo <acme@redhat.com>2017-03-13 17:44:44 +0300
commitd35fa1e75fdb308ae8a1a3efffe7ddedbd6051e2 (patch)
treec1fd207ba7b92d3740bf797c4696a54c0b86162c /tools/perf/Documentation
parent4b0b3aa6a2756e6115fdf275c521e4552a7082f3 (diff)
downloadlinux-d35fa1e75fdb308ae8a1a3efffe7ddedbd6051e2.tar.xz
perf report: Document +field style argument support for --field option
Commit 2f3f9bcf000b ("perf tools: Add +field argument support for --field option") by Jiri Olsa <jolsa@kernel.org> introduced +field style argument support for --field option. This is useful but not updated documentation. This add a little description there. Signed-off-by: Changbin Du <changbin.du@intel.com> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20170313083252.23644-1-changbin.du@intel.com [ Slightly improved the phrase structure ] Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/Documentation')
-rw-r--r--tools/perf/Documentation/perf-report.txt3
1 files changed, 3 insertions, 0 deletions
diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt
index 33f91906f5dc..672b149aa80a 100644
--- a/tools/perf/Documentation/perf-report.txt
+++ b/tools/perf/Documentation/perf-report.txt
@@ -173,6 +173,9 @@ OPTIONS
By default, every sort keys not specified in -F will be appended
automatically.
+ If the keys starts with a prefix '+', then it will append the specified
+ field(s) to the default field order. For example: perf report -F +period,sample.
+
-p::
--parent=<regex>::
A regex filter to identify parent. The parent is a caller of this