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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@google.com>
Tested-by: Stephane Eranian <eranian@google.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1407831366-28892-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Namhyung Kim 2014-08-12 17:16:06 +09:00 committed by Arnaldo Carvalho de Melo
parent 701937bd59
commit 42337a222c
1 changed files with 9 additions and 0 deletions
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9
tools/perf/ui/browsers/hists.c
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@ -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 '?':