From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754293Ab1IVWKh (ORCPT ); Thu, 22 Sep 2011 18:10:37 -0400 Received: from hrndva-omtalb.mail.rr.com ([71.74.56.125]:61611 "EHLO hrndva-omtalb.mail.rr.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754214Ab1IVWKa (ORCPT ); Thu, 22 Sep 2011 18:10:30 -0400 X-Authority-Analysis: v=1.1 cv=agqPq5NoKwAPC9P66H7dbYUCjxvmT73as08i4x3aqAA= c=1 sm=0 a=vhdKIqpQuCYA:10 a=naW5hn2M3_8A:10 a=5SG0PmZfjMsA:10 a=bbbx4UPp9XUA:10 a=17wjrS5wAhQaEczCPkpxpQ==:17 a=20KFwNOVAAAA:8 a=VwQbUJbxAAAA:8 a=meVymXHHAAAA:8 a=cNoPasxiBr65vVOEx98A:9 a=DHQQ7jDAcw4A:10 a=jEp0ucaQiEUA:10 a=jeBq3FmKZ4MA:10 a=17wjrS5wAhQaEczCPkpxpQ==:117 X-Cloudmark-Score: 0 X-Originating-IP: 74.67.83.30 Message-Id: <20110922221026.663865810@goodmis.org> User-Agent: quilt/0.48-1 Date: Thu, 22 Sep 2011 18:09:42 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Peter Zijlstra , Frederic Weisbecker , Thomas Gleixner , Jiri Olsa Subject: [PATCH 07/21] tracing/filter: Simplify tracepoint event lookup References: <20110922220935.537134016@goodmis.org> Content-Disposition: inline; filename=0007-tracing-filter-Simplify-tracepoint-event-lookup.patch Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 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@redhat.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 *event, int event_id, int err; struct event_filter *filter; struct filter_parse_state *ps; - struct ftrace_event_call *call = NULL; + struct ftrace_event_call *call; mutex_lock(&event_mutex); - list_for_each_entry(call, &ftrace_events, list) { - if (call->event.type == event_id) - break; - } + call = event->tp_event; err = -EINVAL; - if (&call->list == &ftrace_events) + if (!call) goto out_unlock; err = -EEXIST; -- 1.7.5.4