linux-kernel - [tip:perf/core] perf top: Handle 'z' key for toggle zeroing samples in TUI

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Message-ID: <tip-42337a222c93cd22864f20ef9b157765ab1086a0@git.kernel.org>
Date:	Thu, 14 Aug 2014 01:49:41 -0700
From:	tip-bot for Namhyung Kim <tipbot@...or.com>
To:	linux-tip-commits@...r.kernel.org
Cc:	acme@...hat.com, linux-kernel@...r.kernel.org, paulus@...ba.org,
	eranian@...gle.com, hpa@...or.com, mingo@...nel.org,
	a.p.zijlstra@...llo.nl, namhyung.kim@....com, namhyung@...nel.org,
	jolsa@...hat.com, dsahern@...il.com, tglx@...utronix.de
Subject: [tip:perf/core] perf top: Handle 'z'
  key for toggle zeroing samples in TUI

Commit-ID:  42337a222c93cd22864f20ef9b157765ab1086a0
Gitweb:     http://git.kernel.org/tip/42337a222c93cd22864f20ef9b157765ab1086a0
Author:     Namhyung Kim <namhyung@...nel.org>
AuthorDate: Tue, 12 Aug 2014 17:16:06 +0900
Committer:  Arnaldo Carvalho de Melo <acme@...hat.com>
CommitDate: Wed, 13 Aug 2014 17:29:37 -0300

perf top: Handle 'z' key for toggle zeroing samples in TUI

The perf top TUI lacks 'z' key support to toggle sample zeroing.
Add it.

Reported-by: Stephane Eranian <eranian@...gle.com>
Tested-by: Stephane Eranian <eranian@...gle.com>
Signed-off-by: Namhyung Kim <namhyung@...nel.org>
Cc: David Ahern <dsahern@...il.com>
Cc: Ingo Molnar <mingo@...nel.org>
Cc: Jiri Olsa <jolsa@...hat.com>
Cc: Namhyung Kim <namhyung.kim@....com>
Cc: Paul Mackerras <paulus@...ba.org>
Cc: Peter Zijlstra <a.p.zijlstra@...llo.nl>
Cc: Stephane Eranian <eranian@...gle.com>
Link: http://lkml.kernel.org/r/1407831366-28892-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/ui/browsers/hists.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/tools/perf/ui/browsers/hists.c b/tools/perf/ui/browsers/hists.c
index 1818d12..4892480 100644
--- a/tools/perf/ui/browsers/hists.c
+++ b/tools/perf/ui/browsers/hists.c
@@ -10,6 +10,7 @@
 #include "../../util/pstack.h"
 #include "../../util/sort.h"
 #include "../../util/util.h"
+#include "../../util/top.h"
 #include "../../arch/common.h"
 
 #include "../browser.h"
@@ -1532,6 +1533,7 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 	"P             Print histograms to perf.hist.N\n"
 	"t             Zoom into current Thread\n"
 	"V             Verbose (DSO names in callchains, etc)\n"
+	"z             Toggle zeroing of samples\n"
 	"/             Filter symbol by name";
 
 	if (browser == NULL)
@@ -1632,6 +1634,13 @@ static int perf_evsel__hists_browse(struct perf_evsel *evsel, int nr_events,
 		case 'F':
 			symbol_conf.filter_relative ^= 1;
 			continue;
+		case 'z':
+			if (!is_report_browser(hbt)) {
+				struct perf_top *top = hbt->arg;
+
+				top->zero = !top->zero;
+			}
+			continue;
 		case K_F1:
 		case 'h':
 		case '?':
--
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