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perf top: Remove entries from entries_collapsed on decay

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We were removing only when using a --sort order that needs collapsing,
while we also use it in the threaded case, causing memory corruption
because we were scribbling freed hist entries, oops.

Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/n/tip-k16fb4jsulr7x0ixv43amb6d@git.kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Arnaldo Carvalho de Melo
2011-10-13 09:06:54 -03:00
parent ed7e5662dd
commit e345fa185a
3 changed files with 15 additions and 4 deletions
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tools/perf/util/hist.h
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@@ -79,6 +79,7 @@ void hists__collapse_resort(struct hists *self);
void hists__collapse_resort_threaded(struct hists *hists);
void hists__decay_entries(struct hists *hists);
void hists__decay_entries_threaded(struct hists *hists);
void hists__output_recalc_col_len(struct hists *hists, int max_rows);
void hists__inc_nr_events(struct hists *self, u32 type);