From: Namhyung Kim <namhy...@kernel.org> When hist_entry__cmp() and hist_entry__collapse() are called, they should check if the dynamic entry is comparing matching hists only.
Otherwise it might access different hists resulting in incorrect output. Signed-off-by: Namhyung Kim <namhy...@kernel.org> Acked-by: Jiri Olsa <jo...@kernel.org> Cc: Andi Kleen <a...@firstfloor.org> Cc: David Ahern <dsah...@gmail.com> Cc: Peter Zijlstra <pet...@infradead.org> Cc: Stephane Eranian <eran...@google.com> Cc: Wang Nan <wangn...@huawei.com> Link: http://lkml.kernel.org/r/1456512767-1164-1-git-send-email-namhy...@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <a...@redhat.com> --- tools/perf/util/hist.c | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 75dc41d2dca9..cc849d326211 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -1002,6 +1002,10 @@ hist_entry__cmp(struct hist_entry *left, struct hist_entry *right) int64_t cmp = 0; hists__for_each_sort_list(hists, fmt) { + if (perf_hpp__is_dynamic_entry(fmt) && + !perf_hpp__defined_dynamic_entry(fmt, hists)) + continue; + cmp = fmt->cmp(fmt, left, right); if (cmp) break; @@ -1018,6 +1022,10 @@ hist_entry__collapse(struct hist_entry *left, struct hist_entry *right) int64_t cmp = 0; hists__for_each_sort_list(hists, fmt) { + if (perf_hpp__is_dynamic_entry(fmt) && + !perf_hpp__defined_dynamic_entry(fmt, hists)) + continue; + cmp = fmt->collapse(fmt, left, right); if (cmp) break; -- 2.5.0
