From d35fa1e75fdb308ae8a1a3efffe7ddedbd6051e2 Mon Sep 17 00:00:00 2001 From: Changbin Du Date: Mon, 13 Mar 2017 16:32:52 +0800 Subject: [PATCH] perf report: Document +field style argument support for --field option Commit 2f3f9bcf000b ("perf tools: Add +field argument support for --field option") by Jiri Olsa 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 Cc: Peter Zijlstra 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 --- tools/perf/Documentation/perf-report.txt | 3 +++ 1 file changed, 3 insertions(+) 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=:: A regex filter to identify parent. The parent is a caller of this -- 2.20.1