From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754212Ab1JJNlo (ORCPT ); Mon, 10 Oct 2011 09:41:44 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:60233 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754061Ab1JJNll (ORCPT ); Mon, 10 Oct 2011 09:41:41 -0400 X-Authority-Analysis: v=1.1 cv=agqPq5NoKwAPC9P66H7dbYUCjxvmT73as08i4x3aqAA= c=1 sm=0 a=vhdKIqpQuCYA:10 a=bMFhuzyJaPEA:10 a=5SG0PmZfjMsA:10 a=bbbx4UPp9XUA:10 a=ZycB6UtQUfgMyuk2+PxD7w==:17 a=20KFwNOVAAAA:8 a=VwQbUJbxAAAA:8 a=meVymXHHAAAA:8 a=cNoPasxiBr65vVOEx98A:9 a=QEXdDO2ut3YA:10 a=DHQQ7jDAcw4A:10 a=jEp0ucaQiEUA:10 a=jeBq3FmKZ4MA:10 a=GmHocpYND_4gnzb5el0A:9 a=ZycB6UtQUfgMyuk2+PxD7w==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.80.29 Message-Id: <20111010134140.177047478@goodmis.org> User-Agent: quilt/0.48-1 Date: Mon, 10 Oct 2011 09:38:59 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Thomas Gleixner , Frederic Weisbecker , Jiri Olsa Subject: [PATCH 07/20] tracing/filter: Simplify tracepoint event lookup References: <20111010133852.829771373@goodmis.org> Content-Disposition: inline; filename=0007-tracing-filter-Simplify-tracepoint-event-lookup.patch Content-Type: multipart/signed; micalg="pgp-sha1"; protocol="application/pgp-signature"; boundary="00GvhwF7k39YY" Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --00GvhwF7k39YY Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable From: Jiri Olsa We dont need to perform lookup through the ftrace_events list, instead we can use the 'tp_event' field. Each perf_event contains tracepoint event field 'tp_event', which got initialized during the tracepoint event initialization. Signed-off-by: Jiri Olsa Link: http://lkml.kernel.org/r/1313072754-4620-5-git-send-email-jolsa@redha= t.com Signed-off-by: Steven Rostedt --- kernel/trace/trace_events_filter.c | 9 +++------ 1 files changed, 3 insertions(+), 6 deletions(-) diff --git a/kernel/trace/trace_events_filter.c b/kernel/trace/trace_events= _filter.c index 97b93f3..0948905 100644 --- a/kernel/trace/trace_events_filter.c +++ b/kernel/trace/trace_events_filter.c @@ -1894,17 +1894,14 @@ int ftrace_profile_set_filter(struct perf_event *ev= ent, int event_id, int err; struct event_filter *filter; struct filter_parse_state *ps; - struct ftrace_event_call *call =3D NULL; + struct ftrace_event_call *call; =20 mutex_lock(&event_mutex); =20 - list_for_each_entry(call, &ftrace_events, list) { - if (call->event.type =3D=3D event_id) - break; - } + call =3D event->tp_event; =20 err =3D -EINVAL; - if (&call->list =3D=3D &ftrace_events) + if (!call) goto out_unlock; =20 err =3D -EEXIST; --=20 1.7.6.3 --00GvhwF7k39YY Content-Type: application/pgp-signature; name="signature.asc" Content-Description: This is a digitally signed message part -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) iQIcBAABAgAGBQJOkvYUAAoJEIy3vGnGbaoAgAEQAJZ4cfajTPtv6mDF6j4oeNOj lHWi4GcU/vEufDJ+fRK/8gUXTWWWY9sV66i1qZ034xhv3wyb3aoCO2VcVpQfvNpv NWQAsc2U1ixKm7h+et612D5fy6qu2iAb6Yn68G3uwtr+fe+HTympcZC6VSk5320v xZaqa7zcsBK8aLW/sOisAShNi8Kskbkz/F02eeVx3LI+cRomIZy7D68gz+jidZE7 Xp6NFVyWSCK3xMa4UhES8TuoGO0PAfcXFXcnt+NOcluHejVhDYEHsn1pmge+xHra yGNOQ7R9qf36ppBQac2O89c0DZqAR8w7f25cuYNJdPHuoHlFb1sKnvvNHCplg3KL GFhawyb77T2Lpji8Jop5NaA+lsL8bwfrkAIwIGrj/HZqs5oTRAhUK0WPJaIuHOE9 7VmeR+gnOBXkLAEVVrhcqXJXIFB8krwVUzseZDxUvJq+yELW/08C4e1b2JSRgwNJ azucpS9ofK+3/ADT4T68oA5LjVTp74knoQvBgjT2vNPF0vXoMmU4FhGQ9QggUzRn /sKjYyOQ8pwl+1aCTA1EzvOJF5FxiPUyYR6gaBcOtMut4DX1NBf/q0ptOsmAq0O6 36Z1EN8LqYVzLtq+SkcXG1M5Ct8CPNSD3DHgbKW6qhMPu9pls1/31V+N6R2p6SeU kvwmsslcJFsY+mNegnHB =2JYt -----END PGP SIGNATURE----- --00GvhwF7k39YY--