Messages in this thread Patch in this message | | | Date | Sun, 30 Jul 2017 02:39:24 -0700 | From | tip-bot for Arnaldo Carvalho de Melo <> | Subject | [tip:perf/core] perf annotate: Do not overwrite perf_sample->weight |
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Commit-ID: c6c13be76c1fc8a3169dbd29cd1d42af1d64773f Gitweb: http://git.kernel.org/tip/c6c13be76c1fc8a3169dbd29cd1d42af1d64773f Author: Arnaldo Carvalho de Melo <acme@redhat.com> AuthorDate: Wed, 26 Jul 2017 16:52:25 -0300 Committer: Arnaldo Carvalho de Melo <acme@redhat.com> CommitDate: Wed, 26 Jul 2017 16:52:25 -0300
perf annotate: Do not overwrite perf_sample->weight
When we parse an event we may get a value from the kernel in response to PERF_SAMPLE_WEIGHT being set in perf_event_attr->sample_type, and if it is not set, then perf_sample->weight will be set to zero, which should be ok according to a discussion with Andi Kleen [1]:
1: https://lkml.kernel.org/r/20170724174637.GS3044@two.firstfloor.org
Acked-by: Andi Kleen <andi@firstfloor.org> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Milian Wolff <milian.wolff@kdab.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Taeung Song <treeze.taeung@gmail.com> Cc: Wang Nan <wangnan0@huawei.com> Link: http://lkml.kernel.org/n/tip-8ev8ufk3lzmvgz37yg9nv3qz@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com> --- tools/perf/builtin-annotate.c | 2 -- 1 file changed, 2 deletions(-)
diff --git a/tools/perf/builtin-annotate.c b/tools/perf/builtin-annotate.c index 6db782d..658c920 100644 --- a/tools/perf/builtin-annotate.c +++ b/tools/perf/builtin-annotate.c @@ -177,8 +177,6 @@ static int perf_evsel__add_sample(struct perf_evsel *evsel, */ process_branch_stack(sample->branch_stack, al, sample); - sample->weight = 1; - he = hists__add_entry(hists, al, NULL, NULL, NULL, sample, true); if (he == NULL) return -ENOMEM;
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