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perf trace: Fix summary percentage when processing files
Getting a divide by 0 when events are processed from a file: perf trace -i perf.data -s ... dnsmasq (1684), 10 events, inf%, 0.000 msec The problem is that the event count is not incremented as events are processed. With this patch: perf trace -i perf.data -s ... dnsmasq (1684), 10 events, 8.9%, 0.000 msec Signed-off-by: David Ahern <dsahern@gmail.com> Link: http://lkml.kernel.org/r/1386211302-31303-4-git-send-email-dsahern@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
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@ -1770,8 +1770,10 @@ static int trace__process_sample(struct perf_tool *tool,
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if (!trace->full_time && trace->base_time == 0)
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trace->base_time = sample->time;
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if (handler)
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if (handler) {
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++trace->nr_events;
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handler(trace, evsel, sample);
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}
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return err;
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}
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