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| author | Namhyung Kim <namhyung.kim@lge.com> | 2012-12-10 17:29:56 +0900 |
|---|---|---|
| committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2013-01-24 16:40:06 -0300 |
| commit | 66f97ed3ac44c24958171bbc5cc04896147752b7 (patch) | |
| tree | 6cd4c54d00a40853c5108367315b0aa90f2fc7d4 /tools/perf/builtin-diff.c | |
| parent | ce74f60eab3cc8b7a3b0cb9c29ec9b1e1abac7d2 (diff) | |
| download | lwn-66f97ed3ac44c24958171bbc5cc04896147752b7.tar.gz lwn-66f97ed3ac44c24958171bbc5cc04896147752b7.zip | |
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.c | 31 |
1 files changed, 21 insertions, 10 deletions
diff --git a/tools/perf/builtin-diff.c b/tools/perf/builtin-diff.c index 8b896f5eded0..4af0b580b046 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); |