Commit-ID: b16bfeb3db1b50273e95f539953c337be759500d Gitweb: https://git.kernel.org/tip/b16bfeb3db1b50273e95f539953c337be759500d Author: Adrian Hunter <adrian.hunter@xxxxxxxxx> AuthorDate: Tue, 4 Jun 2019 16:00:12 +0300 Committer: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> CommitDate: Mon, 10 Jun 2019 16:20:12 -0300 perf time-utils: Prevent percentage time range overlap 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.hunter@xxxxxxxxx> Cc: Jin Yao <yao.jin@xxxxxxxxxxxxxxx> Cc: Jiri Olsa <jolsa@xxxxxxxxxx> Link: http://lkml.kernel.org/r/20190604130017.31207-15-adrian.hunter@xxxxxxxxx Signed-off-by: Arnaldo Carvalho de Melo <acme@xxxxxxxxxx> --- 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; }
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