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| author | Namhyung Kim <namhyung@kernel.org> | 2016-01-05 12:06:00 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2016-01-08 12:37:51 -0300 |
| commit | 42b276a2351517409d55b1202a1fa8b05c0cdc99 (patch) | |
| tree | 8b8a8345d15e4dacf8c7ad3cf928941602ff493f /tools/perf/util/hist.c | |
| parent | 915b0882c3108a21e9b3b5e176d3151ad522242d (diff) | |
| download | blackbird-op-linux-42b276a2351517409d55b1202a1fa8b05c0cdc99.tar.gz blackbird-op-linux-42b276a2351517409d55b1202a1fa8b05c0cdc99.zip | |
perf top: Decay periods in callchains
It missed to decay periods in callchains when decaying hist entries.
This resulted in more than 100 percent overhead in callchains in the
fractal style output.
Reported-by: Arnaldo Carvalho de Melo <acme@kernel.org>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: Andi Kleen <andi@firstfloor.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1451963160-17196-1-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/hist.c')
| -rw-r--r-- | tools/perf/util/hist.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index afc9b8f1b36c..888776b43cb0 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -254,6 +254,7 @@ static bool hists__decay_entry(struct hists *hists, struct hist_entry *he) he_stat__decay(&he->stat); if (symbol_conf.cumulate_callchain) he_stat__decay(he->stat_acc); + decay_callchain(he->callchain); diff = prev_period - he->stat.period; |
