[PATCH 11/25] perf ui progress: Fix divide by zero

[Arnaldo Carvalho de Melo]

From: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>

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

Cc: David Ahern <dsahern@xxxxxxxxx>
Cc: Frederic Weisbecker <fweisbec@xxxxxxxxx>
Cc: Mike Galbraith <efault@xxxxxx>
Cc: Paul Mackerras <paulus@xxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Stephane Eranian <eranian@xxxxxxxxxx>
Link: http://lkml.kernel.org/n/tip-j7st3oyiotvfxqde2nc41kxb@xxxxxxxxxxxxxx
Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx>
---
 tools/perf/util/ui/progress.c |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)

diff --git a/tools/perf/util/ui/progress.c b/tools/perf/util/ui/progress.c
index 295e366..13aa64e 100644
--- a/tools/perf/util/ui/progress.c
+++ b/tools/perf/util/ui/progress.c
@@ -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;
-- 
1.7.8.rc0.35.gee6df

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