From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932096AbaKDNtV (ORCPT ); Tue, 4 Nov 2014 08:49:21 -0500 Received: from cdptpa-outbound-snat.email.rr.com ([107.14.166.226]:13127 "EHLO cdptpa-oedge-vip.email.rr.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1754066AbaKDNtS (ORCPT ); Tue, 4 Nov 2014 08:49:18 -0500 Message-Id: <20141104134915.853403299@goodmis.org> User-Agent: quilt/0.61-1 Date: Tue, 04 Nov 2014 08:48:48 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Oleg Nesterov Subject: [for-next][PATCH 1/4] tracing: Kill tracing_{start,stop}_sched_switch_record() and tracing_sched_switch_assign_trace() References: <20141104134847.978505265@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15 Content-Disposition: inline; filename=0001-tracing-Kill-tracing_-start-stop-_sched_switch_recor.patch X-RR-Connecting-IP: 107.14.168.130:25 X-Cloudmark-Score: 0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Oleg Nesterov tracing_{start,stop}_sched_switch_record() have no callers since 87d80de2800d "tracing: Remove obsolete sched_switch tracer". The last caller of tracing_sched_switch_assign_trace() was removed by 30dbb20e68e6 "tracing: Remove boot tracer". Link: http://lkml.kernel.org/p/20140723193501.GA30214@redhat.com Signed-off-by: Oleg Nesterov Signed-off-by: Steven Rostedt --- kernel/trace/trace.h | 3 --- kernel/trace/trace_sched_switch.c | 48 --------------------------------------- 2 files changed, 51 deletions(-) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index 385391fb1d3b..a3a82d5f25dc 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -597,9 +597,6 @@ void set_graph_array(struct trace_array *tr); void tracing_start_cmdline_record(void); void tracing_stop_cmdline_record(void); -void tracing_sched_switch_assign_trace(struct trace_array *tr); -void tracing_stop_sched_switch_record(void); -void tracing_start_sched_switch_record(void); int register_tracer(struct tracer *type); int is_tracing_stopped(void); diff --git a/kernel/trace/trace_sched_switch.c b/kernel/trace/trace_sched_switch.c index 3f34dc9b40f3..3b60301c59d2 100644 --- a/kernel/trace/trace_sched_switch.c +++ b/kernel/trace/trace_sched_switch.c @@ -197,51 +197,3 @@ void tracing_stop_cmdline_record(void) { tracing_stop_sched_switch(); } - -/** - * tracing_start_sched_switch_record - start tracing context switches - * - * Turns on context switch tracing for a tracer. - */ -void tracing_start_sched_switch_record(void) -{ - if (unlikely(!ctx_trace)) { - WARN_ON(1); - return; - } - - tracing_start_sched_switch(); - - mutex_lock(&sched_register_mutex); - tracer_enabled++; - mutex_unlock(&sched_register_mutex); -} - -/** - * tracing_stop_sched_switch_record - start tracing context switches - * - * Turns off context switch tracing for a tracer. - */ -void tracing_stop_sched_switch_record(void) -{ - mutex_lock(&sched_register_mutex); - tracer_enabled--; - WARN_ON(tracer_enabled < 0); - mutex_unlock(&sched_register_mutex); - - tracing_stop_sched_switch(); -} - -/** - * tracing_sched_switch_assign_trace - assign a trace array for ctx switch - * @tr: trace array pointer to assign - * - * Some tracers might want to record the context switches in their - * trace. This function lets those tracers assign the trace array - * to use. - */ -void tracing_sched_switch_assign_trace(struct trace_array *tr) -{ - ctx_trace = tr; -} - -- 2.1.1