diff options
| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-12-10 12:29:54 +0400 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 23:40:05 +0400 |
| commit | 9afcf930b1fa1158b0878afeba3eff299300dc65 (patch) | |
| tree | f3006330f854fd8379fdb08f3abfb028fad5b983 /tools/perf/util | |
| parent | 203e04c16330c880538588e932743f404ee4fd66 (diff) | |
| download | linux-9afcf930b1fa1158b0878afeba3eff299300dc65.tar.xz | |
perf hists: Exchange order of comparing items when collapsing hists
When comparing entries for collapsing put the given entry first, and
then the iterated entry. This is not the case of hist_entry__cmp() when
called if given sort keys don't require collapsing. So change the order
for the sake of consistency. It will be required for matching and/or
linking multiple hist entries.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Acked-by: Jiri Olsa <jolsa@redhat.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Stephane Eranian <eranian@google.com>
Link: http://lkml.kernel.org/r/1355128197-18193-2-git-send-email-namhyung@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/util')
| -rw-r--r-- | tools/perf/util/hist.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 82df1b26f0d4..3a9ccd09835d 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -285,7 +285,13 @@ static struct hist_entry *add_hist_entry(struct hists *hists, parent = *p; he = rb_entry(parent, struct hist_entry, rb_node_in); - cmp = hist_entry__cmp(entry, he); + /* + * Make sure that it receives arguments in a same order as + * hist_entry__collapse() so that we can use an appropriate + * function when searching an entry regardless which sort + * keys were used. + */ + cmp = hist_entry__cmp(he, entry); if (!cmp) { he_stat__add_period(&he->stat, period); @@ -729,7 +735,7 @@ static struct hist_entry *hists__add_dummy_entry(struct hists *hists, parent = *p; he = rb_entry(parent, struct hist_entry, rb_node); - cmp = hist_entry__cmp(pair, he); + cmp = hist_entry__cmp(he, pair); if (!cmp) goto out; @@ -759,7 +765,7 @@ static struct hist_entry *hists__find_entry(struct hists *hists, while (n) { struct hist_entry *iter = rb_entry(n, struct hist_entry, rb_node); - int64_t cmp = hist_entry__cmp(he, iter); + int64_t cmp = hist_entry__cmp(iter, he); if (cmp < 0) n = n->rb_left; |