linux-kernel - [tip:perf/core] perf annotate browser: Circulate percent, total-period and nr-samples view

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Date:   Tue, 22 Aug 2017 03:27:22 -0700
From:   tip-bot for Taeung Song <tipbot@...or.com>
To:     linux-tip-commits@...r.kernel.org
Cc:     hpa@...or.com, treeze.taeung@...il.com, milian.wolff@...b.com,
        namhyung@...nel.org, jolsa@...hat.com,
        linux-kernel@...r.kernel.org, tglx@...utronix.de, acme@...hat.com,
        mingo@...nel.org
Subject: [tip:perf/core] perf annotate browser: Circulate percent,
 total-period and nr-samples view

Commit-ID:  3a555c7799de69d73826eccc9a21948a5775d4d3
Gitweb:     http://git.kernel.org/tip/3a555c7799de69d73826eccc9a21948a5775d4d3
Author:     Taeung Song <treeze.taeung@...il.com>
AuthorDate: Fri, 18 Aug 2017 17:47:08 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Fri, 18 Aug 2017 11:23:20 -0300

perf annotate browser: Circulate percent, total-period and nr-samples view

Using the existing 't' hotkey, support the three views: percent, total
period and number of samples on the annotate TUI browser, circulating
them like below:

  Percent -> Total Period -> Nr Samples -> Percent ...

Committer notes:

Removed new 'e' hotkey, should be resubmitted as a separate patch, with
proper justification for its inclusion.

Suggested-by: Namhyung Kim <namhyung@...nel.org>
Signed-off-by: Taeung Song <treeze.taeung@...il.com>
Tested-by: Arnaldo Carvalho de Melo <acme@...hat.com>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Milian Wolff <milian.wolff@...b.com>
Link: http://lkml.kernel.org/r/1503046028-5691-1-git-send-email-treeze.taeung@gmail.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/browsers/annotate.c | 11 ++++++++---
 1 file changed, 8 insertions(+), 3 deletions(-)

diff --git a/tools/perf/ui/browsers/annotate.c b/tools/perf/ui/browsers/annotate.c
index faca1b9..ba0aee5 100644
--- a/tools/perf/ui/browsers/annotate.c
+++ b/tools/perf/ui/browsers/annotate.c
@@ -835,7 +835,7 @@ static int annotate_browser__run(struct annotate_browser *browser,
 		"n             Search next string\n"
 		"o             Toggle disassembler output/simplified view\n"
 		"s             Toggle source code view\n"
-		"t             Toggle total period view\n"
+		"t             Circulate percent, total period, samples view\n"
 		"/             Search string\n"
 		"k             Toggle line numbers\n"
 		"r             Run available scripts\n"
@@ -912,8 +912,13 @@ show_sup_ins:
 			}
 			continue;
 		case 't':
-			annotate_browser__opts.show_total_period =
-			  !annotate_browser__opts.show_total_period;
+			if (annotate_browser__opts.show_total_period) {
+				annotate_browser__opts.show_total_period = false;
+				annotate_browser__opts.show_nr_samples = true;
+			} else if (annotate_browser__opts.show_nr_samples)
+				annotate_browser__opts.show_nr_samples = false;
+			else
+				annotate_browser__opts.show_total_period = true;
 			annotate_browser__update_addr_width(browser);
 			continue;
 		case K_LEFT: