From 4c96bee03247c6eab27287fa66457a231b9fab79 Mon Sep 17 00:00:00 2001 From: Namhyung Kim Date: Tue, 5 Jan 2016 19:58:36 +0900 Subject: [PATCH] perf report: Add documentation for dynamic sort keys Signed-off-by: Namhyung Kim Acked-by: Jiri Olsa Cc: Andi Kleen Cc: David Ahern Cc: Frederic Weisbecker Cc: Peter Zijlstra Cc: Steven Rostedt Cc: Wang Nan Link: http://lkml.kernel.org/r/1451991518-25673-3-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/Documentation/perf-report.txt | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/tools/perf/Documentation/perf-report.txt b/tools/perf/Documentation/perf-report.txt index ae7cd91727f6..8a301f6afb37 100644 --- a/tools/perf/Documentation/perf-report.txt +++ b/tools/perf/Documentation/perf-report.txt @@ -117,6 +117,30 @@ OPTIONS And default sort keys are changed to comm, dso_from, symbol_from, dso_to and symbol_to, see '--branch-stack'. + If the data file has tracepoint event(s), following (dynamic) sort keys + are also available: + trace, trace_fields, [.][/raw] + + - trace: pretty printed trace output in a single column + - trace_fields: fields in tracepoints in separate columns + - : optional event and field name for a specific field + + The last form consists of event and field names. If event name is + omitted, it searches all events for matching field name. The matched + field will be shown only for the event has the field. The event name + supports substring match so user doesn't need to specify full subsystem + and event name everytime. For example, 'sched:sched_switch' event can + be shortened to 'switch' as long as it's not ambiguous. Also event can + be specified by its index (starting from 1) preceded by the '%'. + So '%1' is the first event, '%2' is the second, and so on. + + The field name can have '/raw' suffix which disables pretty printing + and shows raw field value like hex numbers. The --raw-trace option + has the same effect for all dynamic sort keys. + + The default sort keys are changed to 'trace' if all events in the data + file are tracepoint. + -F:: --fields=:: Specify output field - multiple keys can be specified in CSV format. -- 2.11.0