From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1753223Ab3LKMwo (ORCPT ); Wed, 11 Dec 2013 07:52:44 -0500 Received: from mga09.intel.com ([134.134.136.24]:40653 "EHLO mga09.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1752338Ab3LKMk2 (ORCPT ); Wed, 11 Dec 2013 07:40:28 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,871,1378882800"; d="scan'208";a="450498118" From: Alexander Shishkin To: Peter Zijlstra , Arnaldo Carvalho de Melo Cc: Ingo Molnar , linux-kernel@vger.kernel.org, David Ahern , Frederic Weisbecker , Jiri Olsa , Mike Galbraith , Namhyung Kim , Paul Mackerras , Stephane Eranian , Andi Kleen , Adrian Hunter Subject: [PATCH v0 29/71] perf pmu: Let pmu's with no events show up on perf list Date: Wed, 11 Dec 2013 14:36:41 +0200 Message-Id: <1386765443-26966-30-git-send-email-alexander.shishkin@linux.intel.com> X-Mailer: git-send-email 1.8.4.rc2 In-Reply-To: <1386765443-26966-1-git-send-email-alexander.shishkin@linux.intel.com> References: <1386765443-26966-1-git-send-email-alexander.shishkin@linux.intel.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Adrian Hunter perf list only lists PMUs with events. Add a flag to cause a PMU to be also listed separately. Signed-off-by: Adrian Hunter --- tools/perf/util/pmu.c | 13 +++++++++++-- tools/perf/util/pmu.h | 1 + 2 files changed, 12 insertions(+), 2 deletions(-) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index a742eeb..c6c240f 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -733,15 +733,18 @@ void print_pmu_events(const char *event_glob, bool name_only) pmu = NULL; len = 0; - while ((pmu = perf_pmu__scan(pmu)) != NULL) + while ((pmu = perf_pmu__scan(pmu)) != NULL) { list_for_each_entry(alias, &pmu->aliases, list) len++; + if (pmu->selectable) + len++; + } aliases = malloc(sizeof(char *) * len); if (!aliases) return; pmu = NULL; j = 0; - while ((pmu = perf_pmu__scan(pmu)) != NULL) + while ((pmu = perf_pmu__scan(pmu)) != NULL) { list_for_each_entry(alias, &pmu->aliases, list) { char *name = format_alias(buf, sizeof(buf), pmu, alias); bool is_cpu = !strcmp(pmu->name, "cpu"); @@ -758,6 +761,12 @@ void print_pmu_events(const char *event_glob, bool name_only) aliases[j] = strdup(aliases[j]); j++; } + if (pmu->selectable) { + scnprintf(buf, sizeof(buf), "%s//", pmu->name); + aliases[j] = strdup(buf); + j++; + } + } len = j; qsort(aliases, len, sizeof(char *), cmp_string); for (j = 0; j < len; j++) { diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 437fdb2..d5266d1 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -18,6 +18,7 @@ struct perf_event_attr; struct perf_pmu { char *name; __u32 type; + bool selectable; struct perf_event_attr *default_config; struct cpu_map *cpus; struct list_head format; -- 1.8.5.1