From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753163AbbFNIVU (ORCPT ); Sun, 14 Jun 2015 04:21:20 -0400 Received: from mx1.redhat.com ([209.132.183.28]:36675 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752999AbbFNIVJ (ORCPT ); Sun, 14 Jun 2015 04:21:09 -0400 From: Jiri Olsa To: Arnaldo Carvalho de Melo Cc: lkml , Adrian Hunter , Andi Kleen , David Ahern , Ingo Molnar , Namhyung Kim , Peter Zijlstra , Stephane Eranian Subject: [PATCH 12/30] perf stat: Introduce perf_counts__(alloc|free|reset) functions Date: Sun, 14 Jun 2015 10:19:27 +0200 Message-Id: <1434269985-521-13-git-send-email-jolsa@kernel.org> In-Reply-To: <1434269985-521-1-git-send-email-jolsa@kernel.org> References: <1434269985-521-1-git-send-email-jolsa@kernel.org> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Move 'struct perf_counts' allocation|free|reset code into separate functions. Link: http://lkml.kernel.org/n/tip-qu64zmm5zbpbkuybusnkg4gl@git.kernel.org Signed-off-by: Jiri Olsa --- tools/perf/builtin-stat.c | 19 +++++++------------ tools/perf/util/stat.c | 28 +++++++++++++++++++++++----- tools/perf/util/stat.h | 3 +++ 3 files changed, 33 insertions(+), 17 deletions(-) diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index a2f752ae15ca..3e1636cae76b 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -168,24 +168,19 @@ static void perf_evsel__free_stat_priv(struct perf_evsel *evsel) static int perf_evsel__alloc_prev_raw_counts(struct perf_evsel *evsel) { - void *addr; - size_t sz; + struct perf_counts *counts; - sz = sizeof(*evsel->counts) + - (perf_evsel__nr_cpus(evsel) * sizeof(struct perf_counts_values)); + counts = perf_counts__new(perf_evsel__nr_cpus(evsel)); + if (counts) + evsel->prev_raw_counts = counts; - addr = zalloc(sz); - if (!addr) - return -ENOMEM; - - evsel->prev_raw_counts = addr; - - return 0; + return counts ? 0 : -ENOMEM; } static void perf_evsel__free_prev_raw_counts(struct perf_evsel *evsel) { - zfree(&evsel->prev_raw_counts); + perf_counts__delete(evsel->prev_raw_counts); + evsel->prev_raw_counts = NULL; } static void perf_evlist__free_stats(struct perf_evlist *evlist) diff --git a/tools/perf/util/stat.c b/tools/perf/util/stat.c index ac589b6b8bce..4014b709f956 100644 --- a/tools/perf/util/stat.c +++ b/tools/perf/util/stat.c @@ -95,20 +95,38 @@ void perf_stat_evsel_id_init(struct perf_evsel *evsel) } } +struct perf_counts *perf_counts__new(int ncpus) +{ + int size = sizeof(struct perf_counts) + + ncpus * sizeof(struct perf_counts_values); + + return zalloc(size); +} + +void perf_counts__delete(struct perf_counts *counts) +{ + free(counts); +} + +static void perf_counts__reset(struct perf_counts *counts, int ncpus) +{ + memset(counts, 0, (sizeof(*counts) + + (ncpus * sizeof(struct perf_counts_values)))); +} + void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus) { - memset(evsel->counts, 0, (sizeof(*evsel->counts) + - (ncpus * sizeof(struct perf_counts_values)))); + perf_counts__reset(evsel->counts, ncpus); } int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus) { - evsel->counts = zalloc((sizeof(*evsel->counts) + - (ncpus * sizeof(struct perf_counts_values)))); + evsel->counts = perf_counts__new(ncpus); return evsel->counts != NULL ? 0 : -ENOMEM; } void perf_evsel__free_counts(struct perf_evsel *evsel) { - zfree(&evsel->counts); + perf_counts__delete(evsel->counts); + evsel->counts = NULL; } diff --git a/tools/perf/util/stat.h b/tools/perf/util/stat.h index 6a782601c1c7..093dc3cb28dd 100644 --- a/tools/perf/util/stat.h +++ b/tools/perf/util/stat.h @@ -62,6 +62,9 @@ void perf_stat__update_shadow_stats(struct perf_evsel *counter, u64 *count, void perf_stat__print_shadow_stats(FILE *out, struct perf_evsel *evsel, double avg, int cpu, enum aggr_mode aggr); +struct perf_counts *perf_counts__new(int ncpus); +void perf_counts__delete(struct perf_counts *counts); + void perf_evsel__reset_counts(struct perf_evsel *evsel, int ncpus); int perf_evsel__alloc_counts(struct perf_evsel *evsel, int ncpus); void perf_evsel__free_counts(struct perf_evsel *evsel); -- 1.9.3