From: Adrian Hunter <adrian.hun...@intel.com>

Prevent percentage time range overlap. This is only a 1 nanosecond
change but makes the results more logical e.g. a sample cannot be in
both the first 10% and the second 20%.

Note, there is a later patch that adds a test for time-utils.

Signed-off-by: Adrian Hunter <adrian.hun...@intel.com>
Cc: Jin Yao <yao....@linux.intel.com>
Cc: Jiri Olsa <jo...@redhat.com>
Link: http://lkml.kernel.org/r/20190604130017.31207-15-adrian.hun...@intel.com
Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com>
---
 tools/perf/util/time-utils.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/time-utils.c b/tools/perf/util/time-utils.c
index 69441faab3d0..3e87c21c293c 100644
--- a/tools/perf/util/time-utils.c
+++ b/tools/perf/util/time-utils.c
@@ -148,6 +148,9 @@ static int set_percent_time(struct perf_time_interval 
*ptime, double start_pcnt,
        ptime->start = start + round(start_pcnt * total);
        ptime->end = start + round(end_pcnt * total);
 
+       if (ptime->end > ptime->start && ptime->end != end)
+               ptime->end -= 1;
+
        return 0;
 }
 
-- 
2.20.1

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