From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753386Ab2LJIaH (ORCPT ); Mon, 10 Dec 2012 03:30:07 -0500 Received: from LGEMRELSE7Q.lge.com ([156.147.1.151]:55008 "EHLO LGEMRELSE7Q.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753285Ab2LJIaE (ORCPT ); Mon, 10 Dec 2012 03:30:04 -0500 X-AuditID: 9c930197-b7bd3ae000003f1c-34-50c59d888259 From: Namhyung Kim To: Arnaldo Carvalho de Melo Cc: Peter Zijlstra , Paul Mackerras , Ingo Molnar , LKML , Jiri Olsa , Stephane Eranian , namhyung.kim@lge.com Subject: [PATCH 3/4] perf diff: Use internal rb tree for compute resort Date: Mon, 10 Dec 2012 17:29:56 +0900 Message-Id: <1355128197-18193-4-git-send-email-namhyung@kernel.org> X-Mailer: git-send-email 1.7.11.7 In-Reply-To: <1355128197-18193-1-git-send-email-namhyung@kernel.org> References: <1355128197-18193-1-git-send-email-namhyung@kernel.org> X-Brightmail-Tracker: AAAAAA== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Namhyung Kim 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. Cc: Stephane Eranian Acked-by: Jiri Olsa Signed-off-by: Namhyung Kim --- tools/perf/builtin-diff.c | 31 +++++++++++++++++++++---------- tools/perf/util/hist.c | 2 +- tools/perf/util/hist.h | 1 + 3 files changed, 23 insertions(+), 11 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); diff --git a/tools/perf/util/hist.c b/tools/perf/util/hist.c index 8ff3c2f8a5dd..37179af74409 100644 --- a/tools/perf/util/hist.c +++ b/tools/perf/util/hist.c @@ -251,7 +251,7 @@ static struct hist_entry *hist_entry__new(struct hist_entry *template) return he; } -static void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h) +void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h) { if (!h->filtered) { hists__calc_col_len(hists, h); diff --git a/tools/perf/util/hist.h b/tools/perf/util/hist.h index 5b3b0075be64..d3664abea6d6 100644 --- a/tools/perf/util/hist.h +++ b/tools/perf/util/hist.h @@ -96,6 +96,7 @@ void hists__decay_entries_threaded(struct hists *hists, bool zap_user, bool zap_kernel); void hists__output_recalc_col_len(struct hists *hists, int max_rows); +void hists__inc_nr_entries(struct hists *hists, struct hist_entry *h); void hists__inc_nr_events(struct hists *self, u32 type); size_t hists__fprintf_nr_events(struct hists *self, FILE *fp); -- 1.7.11.7