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perf ui progress: Fix divide by zero

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Happens in a perf.data file where one of the events had no samples.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-j7st3oyiotvfxqde2nc41kxb@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo 2011-11-11 22:08:07 -02:00
parent ed80f5813f
commit 18b5523505
1 changed files with 3 additions and 0 deletions
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3
tools/perf/util/ui/progress.c
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@ -14,6 +14,9 @@ void ui_progress__update(u64 curr, u64 total, const char *title)
if (use_browser <= 0)
return;
if (total == 0)
return;
ui__refresh_dimensions(true);
pthread_mutex_lock(&ui__lock);
y = SLtt_Screen_Rows / 2 - 2;