From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754779Ab3LPP2D (ORCPT ); Mon, 16 Dec 2013 10:28:03 -0500 Received: from terminus.zytor.com ([198.137.202.10]:47640 "EHLO terminus.zytor.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754754Ab3LPP14 (ORCPT ); Mon, 16 Dec 2013 10:27:56 -0500 Date: Mon, 16 Dec 2013 07:27:33 -0800 From: tip-bot for Adrian Hunter Message-ID: Cc: acme@redhat.com, eranian@google.com, mingo@redhat.com, mingo@kernel.org, a.p.zijlstra@chello.nl, efault@gmx.de, jolsa@redhat.com, fweisbec@gmail.com, ak@linux.intel.com, dsahern@gmail.com, tglx@linutronix.de, hpa@zytor.com, paulus@samba.org, linux-kernel@vger.kernel.org, namhyung@gmail.com, adrian.hunter@intel.com Reply-To: mingo@kernel.org, mingo@redhat.com, eranian@google.com, acme@redhat.com, a.p.zijlstra@chello.nl, efault@gmx.de, jolsa@redhat.com, fweisbec@gmail.com, dsahern@gmail.com, ak@linux.intel.com, tglx@linutronix.de, hpa@zytor.com, paulus@samba.org, linux-kernel@vger.kernel.org, namhyung@gmail.com, adrian.hunter@intel.com In-Reply-To: <1386765443-26966-24-git-send-email-alexander.shishkin@linux.intel.com> References: <1386765443-26966-24-git-send-email-alexander.shishkin@linux.intel.com> To: linux-tip-commits@vger.kernel.org Subject: [tip:perf/core] perf evlist: Add perf_evlist__to_front() Git-Commit-ID: a025e4f0d8a92b38539d39b495b530015296b4d9 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-4.5.1 (terminus.zytor.com [127.0.0.1]); Mon, 16 Dec 2013 07:27:39 -0800 (PST) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Commit-ID: a025e4f0d8a92b38539d39b495b530015296b4d9 Gitweb: http://git.kernel.org/tip/a025e4f0d8a92b38539d39b495b530015296b4d9 Author: Adrian Hunter AuthorDate: Wed, 11 Dec 2013 14:36:35 +0200 Committer: Arnaldo Carvalho de Melo CommitDate: Fri, 13 Dec 2013 10:30:21 -0300 perf evlist: Add perf_evlist__to_front() Add a function to move a selected event to the front of the list. This is needed because it is not possible to use the PERF_EVENT_IOC_SET_OUTPUT IOCTL from an Instruction Tracing event to a non-Instruction Tracing event. Thus the Instruction Tracing event must come first. Cc: Andi Kleen Cc: David Ahern Cc: Frederic Weisbecker Cc: Ingo Molnar Cc: Jiri Olsa Cc: Mike Galbraith Cc: Namhyung Kim Cc: Paul Mackerras Cc: Peter Zijlstra Cc: Stephane Eranian Link: http://lkml.kernel.org/r/1386765443-26966-24-git-send-email-alexander.shishkin@linux.intel.com Signed-off-by: Adrian Hunter Signed-off-by: Arnaldo Carvalho de Melo --- tools/perf/util/evlist.c | 17 +++++++++++++++++ tools/perf/util/evlist.h | 3 +++ 2 files changed, 20 insertions(+) diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c index 2eb7378..0b31cee 100644 --- a/tools/perf/util/evlist.c +++ b/tools/perf/util/evlist.c @@ -1212,3 +1212,20 @@ int perf_evlist__strerror_open(struct perf_evlist *evlist __maybe_unused, return 0; } + +void perf_evlist__to_front(struct perf_evlist *evlist, + struct perf_evsel *move_evsel) +{ + struct perf_evsel *evsel, *n; + LIST_HEAD(move); + + if (move_evsel == perf_evlist__first(evlist)) + return; + + list_for_each_entry_safe(evsel, n, &evlist->entries, node) { + if (evsel->leader == move_evsel->leader) + list_move_tail(&evsel->node, &move); + } + + list_splice(&move, &evlist->entries); +} diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h index 8a04aae..9f64ede 100644 --- a/tools/perf/util/evlist.h +++ b/tools/perf/util/evlist.h @@ -194,5 +194,8 @@ 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); + #endif /* __PERF_EVLIST_H */