perf ui progress: Fix divide by zero

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.orgSigned-off-by: default avatarArnaldo Carvalho de Melo <acme@redhat.com>
parent ed80f581
...@@ -14,6 +14,9 @@ void ui_progress__update(u64 curr, u64 total, const char *title) ...@@ -14,6 +14,9 @@ void ui_progress__update(u64 curr, u64 total, const char *title)
if (use_browser <= 0) if (use_browser <= 0)
return; return;
if (total == 0)
return;
ui__refresh_dimensions(true); ui__refresh_dimensions(true);
pthread_mutex_lock(&ui__lock); pthread_mutex_lock(&ui__lock);
y = SLtt_Screen_Rows / 2 - 2; y = SLtt_Screen_Rows / 2 - 2;
......
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