From: Namhyung Kim <[email protected]> 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 <[email protected]> Acked-by: Jiri Olsa <[email protected]> Cc: Andi Kleen <[email protected]> Cc: David Ahern <[email protected]> Cc: Peter Zijlstra <[email protected]> Cc: Stephane Eranian <[email protected]> Cc: Wang Nan <[email protected]> Link: http://lkml.kernel.org/r/[email protected] Signed-off-by: Arnaldo Carvalho de Melo <[email protected]> --- 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
