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| author |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-08-10 15:45:55 -0300 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-08-10 17:01:00 -0300 |
| commit | 5cef897652f224442c013d9e9425536b38385351 (patch) | |
| tree | 088a1f7b543e78125c7f070a6f09aac005b65e8b /tools/perf/util/hist.c | |
| parent | perf tools: Unset perf_event_attr::freq when period term is set (diff) | |
| download | linux-dev-5cef897652f224442c013d9e9425536b38385351.tar.xz linux-dev-5cef897652f224442c013d9e9425536b38385351.zip | |
perf hists: hist_entry__cmp() may use he_tmp.hists, initialize it
The iter_add_next_cumulative_entry() function calls hist_entry__cmp(),
which may want to access the hists where this hist_entry is stored,
initialize it to let that happen and avoid segfaults.
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Borislav Petkov <bp@suse.de>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-iqg98sfn4fvwcxp0pdvqauie@git.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 a6e9ddd37913..2fe6ea39e257 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -761,6 +761,7 @@ iter_add_next_cumulative_entry(struct hist_entry_iter *iter, struct hist_entry **he_cache = iter->priv; struct hist_entry *he; struct hist_entry he_tmp = { + .hists = evsel__hists(evsel), .cpu = al->cpu, .thread = al->thread, .comm = thread__comm(al->thread), |