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| author |   Namhyung Kim <namhyung@kernel.org> | 2014-12-30 14:38:13 +0900 |
|---|---|---|
| committer |   Arnaldo Carvalho de Melo <acme@redhat.com> | 2015-01-08 11:56:35 -0300 |
| commit | d114960c488b5a95705a04bba305f931cef0efd6 (patch) | |
| tree | f77f5ed8815a9fd1ce543b837be35c70d8af9c8c /tools/perf/util/callchain.h | |
| parent | perf hists: Fix children sort key behavior (diff) | |
| download | linux-dev-d114960c488b5a95705a04bba305f931cef0efd6.tar.xz linux-dev-d114960c488b5a95705a04bba305f931cef0efd6.zip | |
perf callchain: Free callchains when hist entries are deleted
Markus reported that "perf top -g" can leak ~300MB per second on his
machine. This is partly because it missed to free callchains when hist
entries are deleted. Fix it.
Reported-by: Markus Trippelsdorf <markus@trippelsdorf.de>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Markus Trippelsdorf <markus@trippelsdorf.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/20141230053813.GD6081@sejong
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util/callchain.h')
| -rw-r--r-- | tools/perf/util/callchain.h | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/tools/perf/util/callchain.h b/tools/perf/util/callchain.h index dbc08cf5f970..c0ec1acc38e4 100644 --- a/tools/perf/util/callchain.h +++ b/tools/perf/util/callchain.h @@ -198,4 +198,6 @@ static inline int arch_skip_callchain_idx(struct thread *thread __maybe_unused, char *callchain_list__sym_name(struct callchain_list *cl, char *bf, size_t bfsize, bool show_dso); +void free_callchain(struct callchain_root *root); + #endif /* __PERF_CALLCHAIN_H */ |