From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS,URIBL_BLOCKED autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 86610C07E85 for ; Wed, 5 Dec 2018 23:48:36 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 41E2520645 for ; Wed, 5 Dec 2018 23:48:36 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 41E2520645 Authentication-Results: mail.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: mail.kernel.org; spf=none smtp.mailfrom=linux-kernel-owner@vger.kernel.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728973AbeLEXsf (ORCPT ); Wed, 5 Dec 2018 18:48:35 -0500 Received: from mail.kernel.org ([198.145.29.99]:58460 "EHLO mail.kernel.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728892AbeLEXsb (ORCPT ); Wed, 5 Dec 2018 18:48:31 -0500 Received: from gandalf.local.home (cpe-66-24-56-78.stny.res.rr.com [66.24.56.78]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPSA id 9C44F223CA; Wed, 5 Dec 2018 23:48:30 +0000 (UTC) Received: from rostedt by gandalf.local.home with local (Exim 4.91) (envelope-from ) id 1gUgu5-0000A0-LP; Wed, 05 Dec 2018 18:48:29 -0500 Message-Id: <20181205234829.565579141@goodmis.org> User-Agent: quilt/0.65 Date: Wed, 05 Dec 2018 18:47:57 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Ingo Molnar , Andrew Morton , Namhyung Kim , Masami Hiramatsu , Tom Zanussi , Ravi Bangoria , Joel Fernandes Subject: [for-next][PATCH 08/30] function_graph: Do not expose the graph_time option when profiler is not configured References: <20181205234749.372720574@goodmis.org> MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: "Steven Rostedt (VMware)" When the function profiler is not configured, the "graph_time" option is meaningless, as the function profiler is the only thing that makes use of it. Do not expose it if the profiler is not configured. Link: http://lkml.kernel.org/r/20181123061133.GA195223@google.com Reported-by: Joel Fernandes Signed-off-by: Steven Rostedt (VMware) --- kernel/trace/trace.h | 5 +++++ kernel/trace/trace_functions_graph.c | 4 ++++ 2 files changed, 9 insertions(+) diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index f67060a75f38..ab16eca76e59 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -862,7 +862,12 @@ static __always_inline bool ftrace_hash_empty(struct ftrace_hash *hash) #define TRACE_GRAPH_PRINT_FILL_MASK (0x3 << TRACE_GRAPH_PRINT_FILL_SHIFT) extern void ftrace_graph_sleep_time_control(bool enable); + +#ifdef CONFIG_FUNCTION_PROFILER extern void ftrace_graph_graph_time_control(bool enable); +#else +static inline void ftrace_graph_graph_time_control(bool enable) { } +#endif extern enum print_line_t print_graph_function_flags(struct trace_iterator *iter, u32 flags); diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index eaf9b1629956..855c13c61e77 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -60,8 +60,12 @@ static struct tracer_opt trace_opts[] = { { TRACER_OPT(funcgraph-tail, TRACE_GRAPH_PRINT_TAIL) }, /* Include sleep time (scheduled out) between entry and return */ { TRACER_OPT(sleep-time, TRACE_GRAPH_SLEEP_TIME) }, + +#ifdef CONFIG_FUNCTION_PROFILER /* Include time within nested functions */ { TRACER_OPT(graph-time, TRACE_GRAPH_GRAPH_TIME) }, +#endif + { } /* Empty entry */ }; -- 2.19.1