From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933369Ab3CULvp (ORCPT ); Thu, 21 Mar 2013 07:51:45 -0400 Received: from terminus.zytor.com ([198.137.202.10]:57034 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757998Ab3CULvn (ORCPT ); Thu, 21 Mar 2013 07:51:43 -0400 Date: Thu, 21 Mar 2013 04:49:58 -0700 From: tip-bot for Arnaldo Carvalho de Melo Message-ID: Cc: linux-kernel@vger.kernel.org, eranian@google.com, paulus@samba.org, acme@redhat.com, hpa@zytor.com, mingo@kernel.org, peterz@infradead.org, efault@gmx.de, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, tglx@linutronix.de Reply-To: mingo@kernel.org, hpa@zytor.com, acme@redhat.com, paulus@samba.org, eranian@google.com, linux-kernel@vger.kernel.org, efault@gmx.de, peterz@infradead.org, namhyung@gmail.com, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, tglx@linutronix.de To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf stat: Introduce evlist methods to allocate/ free the stats Git-Commit-ID: d134ffb919ab142b2359ae45a0cf4a5bfa1ff283 X-Mailer: tip-git-log-daemon Robot-ID: Robot-Unsubscribe: Contact to get blacklisted from these emails MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Content-Type: text/plain; charset=UTF-8 Content-Disposition: inline X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.2.7 (terminus.zytor.com [127.0.0.1]); Thu, 21 Mar 2013 04:50:08 -0700 (PDT) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: d134ffb919ab142b2359ae45a0cf4a5bfa1ff283 Gitweb: http://git.kernel.org/tip/d134ffb919ab142b2359ae45a0cf4a5bfa1ff283 Author: Arnaldo Carvalho de Melo AuthorDate: Mon, 18 Mar 2013 11:24:21 -0300 Committer: Arnaldo Carvalho de Melo CommitDate: Mon, 18 Mar 2013 11:34:09 -0300 perf stat: Introduce evlist methods to allocate/free the stats Reducing the noise in the main logic. Cc: David Ahern Cc: Frederic Weisbecker Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/n/tip-o219lnci04hlilxi6711wtcr@git.kernel.org Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/builtin-stat.c | 67 ++++++++++++++++++++++++++++++----------------- 1 file changed, 43 insertions(+), 24 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index 021783a..ba0bdd8 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -166,6 +166,35 @@ static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) evsel->prev_raw_counts = NULL; } +static void perf_evlist__free_stats(struct perf_evlist *evlist) +{ + struct perf_evsel *evsel; + + list_for_each_entry(evsel, &evlist->entries, node) { + perf_evsel__free_stat_priv(evsel); + perf_evsel__free_counts(evsel); + perf_evsel__free_prev_raw_counts(evsel); + } +} + +static int perf_evlist__alloc_stats(struct perf_evlist *evlist, bool alloc_raw) +{ + struct perf_evsel *evsel; + + list_for_each_entry(evsel, &evlist->entries, node) { + if (perf_evsel__alloc_stat_priv(evsel) < 0 || + perf_evsel__alloc_counts(evsel, perf_evsel__nr_cpus(evsel)) < 0 || + (alloc_raw && perf_evsel__alloc_prev_raw_counts(evsel) < 0)) + goto out_free; + } + + return 0; + +out_free: + perf_evlist__free_stats(evlist); + return -1; +} + static struct stats runtime_nsecs_stats[MAX_NR_CPUS]; static struct stats runtime_cycles_stats[MAX_NR_CPUS]; static struct stats runtime_stalled_cycles_front_stats[MAX_NR_CPUS]; @@ -179,8 +208,15 @@ static struct stats runtime_itlb_cache_stats[MAX_NR_CPUS]; static struct stats runtime_dtlb_cache_stats[MAX_NR_CPUS]; static struct stats walltime_nsecs_stats; -static void reset_stats(void) +static void perf_stat__reset_stats(struct perf_evlist *evlist) { + struct perf_evsel *evsel; + + list_for_each_entry(evsel, &evlist->entries, node) { + perf_evsel__reset_stat_priv(evsel); + perf_evsel__reset_counts(evsel, perf_evsel__nr_cpus(evsel)); + } + memset(runtime_nsecs_stats, 0, sizeof(runtime_nsecs_stats)); memset(runtime_cycles_stats, 0, sizeof(runtime_cycles_stats)); memset(runtime_stalled_cycles_front_stats, 0, sizeof(runtime_stalled_cycles_front_stats)); @@ -1308,7 +1344,6 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) "perf stat [] []", NULL }; - struct perf_evsel *pos; int status = -ENOMEM, run_idx; const char *mode; @@ -1420,17 +1455,8 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) return -1; } - list_for_each_entry(pos, &evsel_list->entries, node) { - if (perf_evsel__alloc_stat_priv(pos) < 0 || - perf_evsel__alloc_counts(pos, perf_evsel__nr_cpus(pos)) < 0) - goto out_free_fd; - } - if (interval) { - list_for_each_entry(pos, &evsel_list->entries, node) { - if (perf_evsel__alloc_prev_raw_counts(pos) < 0) - goto out_free_fd; - } - } + if (perf_evlist__alloc_stats(evsel_list, interval)) + goto out_free_maps; /* * We dont want to block the signals - that would cause @@ -1454,22 +1480,15 @@ int cmd_stat(int argc, const char **argv, const char *prefix __maybe_unused) status = run_perf_stat(argc, argv); if (forever && status != -1) { print_stat(argc, argv); - list_for_each_entry(pos, &evsel_list->entries, node) { - perf_evsel__reset_stat_priv(pos); - perf_evsel__reset_counts(pos, perf_evsel__nr_cpus(pos)); - } - reset_stats(); + perf_stat__reset_stats(evsel_list); } } if (!forever && status != -1 && !interval) print_stat(argc, argv); -out_free_fd: - list_for_each_entry(pos, &evsel_list->entries, node) { - perf_evsel__free_stat_priv(pos); - perf_evsel__free_counts(pos); - perf_evsel__free_prev_raw_counts(pos); - } + + perf_evlist__free_stats(evsel_list); +out_free_maps: perf_evlist__delete_maps(evsel_list); out: perf_evlist__delete(evsel_list);