From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752184Ab3LKMjs (ORCPT ); Wed, 11 Dec 2013 07:39:48 -0500 Received: from mga02.intel.com ([134.134.136.20]:23959 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751382Ab3LKMjn (ORCPT ); Wed, 11 Dec 2013 07:39:43 -0500 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,871,1378882800"; d="scan'208";a="442368603" 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 24/71] perf evlist: Add perf_evlist__set_tracking_event() Date: Wed, 11 Dec 2013 14:36:36 +0200 Message-Id: <1386765443-26966-25-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 Add a function to change which event is used to track mmap, comm and task events. This is needed with Instruction Tracing because the Instruction Tracing event must come first but cannot be used for tracking because it will be disabled under some circumstances. Signed-off-by: Adrian Hunter --- tools/perf/util/evlist.c | 20 ++++++++++++++++++++ tools/perf/util/evlist.h | 3 ++- 2 files changed, 22 insertions(+), 1 deletion(-) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 93683bc..ae9cbe6 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1233,3 +1233,23 @@ void perf_evlist__to_front(struct perf_evlist *evlist, list_splice(&move, &evlist->entries); } + +int perf_evlist__set_tracking_event(struct perf_evlist *evlist, + struct perf_evsel *tracking_evsel) +{ + struct perf_evsel *evsel; + + if (tracking_evsel->idx == 0) + return 0; + + if (tracking_evsel->leader->nr_members > 1) + return -EINVAL; + + list_for_each_entry(evsel, &evlist->entries, node) { + if (evsel->idx < tracking_evsel->idx) + evsel->idx += 1; + } + tracking_evsel->idx = 0; + + return 0; +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 9f64ede..2c8d068 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -196,6 +196,7 @@ static inline void perf_mmap__write_tail(struct perf_mmap *md, bool perf_evlist__can_select_event(struct perf_evlist *evlist, const char *str); void perf_evlist__to_front(struct perf_evlist *evlist, struct perf_evsel *move_evsel); - +int perf_evlist__set_tracking_event(struct perf_evlist *evlist, + struct perf_evsel *tracking_evsel); #endif /* __PERF_EVLIST_H */ -- 1.8.5.1