From: Namhyung Kim <namhyung....@lge.com>
Current hists__match/link() link a leader to its pair, so if multiple
pairs were linked, the leader will lose pointer to previous pairs
since it was overwritten. Fix it by making leader the list head.
Cc: Jiri Olsa <jo...@redhat.com>
Cc: Stephane Eranian <eran...@google.com>
Signed-off-by: Namhyung Kim <namhy...@kernel.org>
---
tools/perf/util/hist.c | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c
index d2bc05cd1708..82df1b26f0d4 100644
--- a/tools/perf/util/hist.c
+++ b/tools/perf/util/hist.c
@@ -785,7 +785,7 @@ void hists__match(struct hists *leader, struct hists *other)
pair = hists__find_entry(other, pos);
if (pair)
- hist_entry__add_pair(pos, pair);
+ hist_entry__add_pair(pair, pos);
}
}
@@ -806,7 +806,7 @@ int hists__link(struct hists *leader, struct hists *other)
pair = hists__add_dummy_entry(leader, pos);
if (pair == NULL)
return -1;
- hist_entry__add_pair(pair, pos);
+ hist_entry__add_pair(pos, pair);
}
}
--
1.7.11.7
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