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authorNamhyung Kim <namhyung.kim@lge.com>2012-12-10 17:29:56 +0900
committerArnaldo Carvalho de Melo <acme@redhat.com>2013-01-24 16:40:06 -0300
commit66f97ed3ac44c24958171bbc5cc04896147752b7 (patch)
tree6cd4c54d00a40853c5108367315b0aa90f2fc7d4 /tools/perf/builtin-diff.c
parentce74f60eab3cc8b7a3b0cb9c29ec9b1e1abac7d2 (diff)
perf diff: Use internal rb tree for compute resort
There's no reason to run hists_compute_resort() using output tree. Convert it to use internal tree so that it can remove unnecessary _output_resort. 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/1355128197-18193-4-git-send-email-namhyung@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf/builtin-diff.c')
-rw-r--r--tools/perf/builtin-diff.c31
1 files changed, 21 insertions, 10 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c
index 8b896f5eded..4af0b580b04 100644
--- a/tools/perf/builtin-diff.c
+++ b/tools/perf/builtin-diff.c
@@ -414,19 +414,30 @@ static void insert_hist_entry_by_compute(struct rb_root *root,
static void hists__compute_resort(struct hists *hists)
{
- struct rb_root tmp = RB_ROOT;
- struct rb_node *next = rb_first(&hists->entries);
+ struct rb_root *root;
+ struct rb_node *next;
+
+ if (sort__need_collapse)
+ root = &hists->entries_collapsed;
+ else
+ root = hists->entries_in;
+
+ hists->entries = RB_ROOT;
+ next = rb_first(root);
+
+ hists->nr_entries = 0;
+ hists->stats.total_period = 0;
+ hists__reset_col_len(hists);
while (next != NULL) {
- struct hist_entry *he = rb_entry(next, struct hist_entry, rb_node);
+ struct hist_entry *he;
- next = rb_next(&he->rb_node);
+ he = rb_entry(next, struct hist_entry, rb_node_in);
+ next = rb_next(&he->rb_node_in);
- rb_erase(&he->rb_node, &hists->entries);
- insert_hist_entry_by_compute(&tmp, he, compute);
+ insert_hist_entry_by_compute(&hists->entries, he, compute);
+ hists__inc_nr_entries(hists, he);
}
-
- hists->entries = tmp;
}
static void hists__process(struct hists *old, struct hists *new)
@@ -438,11 +449,11 @@ static void hists__process(struct hists *old, struct hists *new)
else
hists__link(new, old);
- hists__output_resort(new);
-
if (sort_compute) {
hists__precompute(new);
hists__compute_resort(new);
+ } else {
+ hists__output_resort(new);
}
hists__fprintf(new, true, 0, 0, stdout);