From patchwork Sat Nov 7 09:58:41 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kurt Kanzenbach X-Patchwork-Id: 321763 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=-12.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT 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 13C65C388F7 for ; Sat, 7 Nov 2020 10:21:29 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DBDD420888 for ; Sat, 7 Nov 2020 10:21:28 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727892AbgKGKV2 (ORCPT ); Sat, 7 Nov 2020 05:21:28 -0500 Received: from wp003.webpack.hosteurope.de ([80.237.132.10]:54134 "EHLO wp003.webpack.hosteurope.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727817AbgKGKV2 (ORCPT ); Sat, 7 Nov 2020 05:21:28 -0500 Received: from p548daada.dip0.t-ipconnect.de ([84.141.170.218] helo=kmk0.Speedport_W_724V_09011603_06_006); authenticated by wp003.webpack.hosteurope.de running ExIM with esmtpsa (TLS1.3:ECDHE_RSA_AES_256_GCM_SHA384:256) id 1kbL05-0003bK-Bd; Sat, 07 Nov 2020 10:59:13 +0100 From: Kurt Kanzenbach To: John Kacur , Clark Williams Cc: rt-users , Kurt Kanzenbach Subject: [PATCH 2/4] rt-tests: rt-utils: Add function to close trace fds Date: Sat, 7 Nov 2020 10:58:41 +0100 Message-Id: <20201107095843.11909-3-kurt@linutronix.de> X-Mailer: git-send-email 2.26.2 In-Reply-To: <20201107095843.11909-1-kurt@linutronix.de> References: <20201107095843.11909-1-kurt@linutronix.de> MIME-Version: 1.0 X-bounce-key: webpack.hosteurope.de;kurt@linutronix.de;1604744487;0ad35b37; X-HE-SMSGID: 1kbL05-0003bK-Bd Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org Currently the trace fds are not closed. Add a function for it. Signed-off-by: Kurt Kanzenbach Signed-off-by: John Kacur --- src/include/rt-utils.h | 1 + src/lib/rt-utils.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+) diff --git a/src/include/rt-utils.h b/src/include/rt-utils.h index 4ed1cbc53ece..c6fb220cdb0a 100644 --- a/src/include/rt-utils.h +++ b/src/include/rt-utils.h @@ -31,6 +31,7 @@ int parse_time_string(char *val); void enable_trace_mark(void); void tracemark(char *fmt, ...) __attribute__((format(printf, 1, 2))); +void disable_trace_mark(void); #define MSEC_PER_SEC 1000 #define USEC_PER_SEC 1000000 diff --git a/src/lib/rt-utils.c b/src/lib/rt-utils.c index 85d41b9542a2..a30e1e4ce436 100644 --- a/src/lib/rt-utils.c +++ b/src/lib/rt-utils.c @@ -390,6 +390,15 @@ static void open_tracemark_fd(void) } } +static void close_tracemark_fd(void) +{ + if (tracemark_fd > 0) + close(tracemark_fd); + + if (trace_fd > 0) + close(trace_fd); +} + static int trace_file_exists(char *name) { struct stat sbuf; @@ -437,3 +446,8 @@ void enable_trace_mark(void) debugfs_prepare(); open_tracemark_fd(); } + +void disable_trace_mark(void) +{ + close_tracemark_fd(); +}