From patchwork Wed Nov 18 19:06:39 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Daniel Wagner X-Patchwork-Id: 328837 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=-16.7 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI, 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 BF2C5C64E7A for ; Wed, 18 Nov 2020 19:07:01 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 8E02322244 for ; Wed, 18 Nov 2020 19:07:01 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727196AbgKRTGv (ORCPT ); Wed, 18 Nov 2020 14:06:51 -0500 Received: from mx2.suse.de ([195.135.220.15]:50086 "EHLO mx2.suse.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727147AbgKRTGv (ORCPT ); Wed, 18 Nov 2020 14:06:51 -0500 X-Virus-Scanned: by amavisd-new at test-mx.suse.de Received: from relay2.suse.de (unknown [195.135.221.27]) by mx2.suse.de (Postfix) with ESMTP id CB8C7BB06; Wed, 18 Nov 2020 19:06:49 +0000 (UTC) From: Daniel Wagner To: Clark Williams , John Kacur Cc: linux-rt-users@vger.kernel.org, Daniel Wagner Subject: [rt-tests v1 09/12] svsematest: Add quiet command line option Date: Wed, 18 Nov 2020 20:06:39 +0100 Message-Id: <20201118190642.16006-10-dwagner@suse.de> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20201118190642.16006-1-dwagner@suse.de> References: <20201118190642.16006-1-dwagner@suse.de> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-rt-users@vger.kernel.org The quiet option is useful for automated test setups where only the final result of the run is interesting. This avoids to fill up the logs. Signed-off-by: Daniel Wagner Signed-off-by: John Kacur --- src/svsematest/svsematest.8 | 5 ++++- src/svsematest/svsematest.c | 18 ++++++++++++++---- 2 files changed, 18 insertions(+), 5 deletions(-) diff --git a/src/svsematest/svsematest.8 b/src/svsematest/svsematest.8 index 5fcb96149bdd..828f9154e974 100644 --- a/src/svsematest/svsematest.8 +++ b/src/svsematest/svsematest.8 @@ -4,7 +4,7 @@ \fBsvsematest\fR \- Start two threads or fork two processes and measure the latency of SYSV semaphores .SH "SYNTAX" .LP -svsematest [-a|--affinity NUM] [-b|--breaktrace USEC] [-d|--distance DIST] [-D|--duration TIME] [-f|--fork [OPT]] [-i|--interval INTV] [-l|--loops LOOPS] [-p|--prio PRIO] [-S|--smp] [-t|--threads [NUM]] +svsematest [-a|--affinity NUM] [-b|--breaktrace USEC] [-d|--distance DIST] [-D|--duration TIME] [-f|--fork [OPT]] [-i|--interval INTV] [-l|--loops LOOPS] [-p|--prio PRIO] [-q|--quiet] [-S|--smp] [-t|--threads [NUM]] .br .SH "DESCRIPTION" .LP @@ -38,6 +38,9 @@ Set the number of loops. The default is 0 (endless). This option is useful for a .B \-p, \-\-prio=PRIO Set the priority of the process. .TP +.B \-q, \-\-quiet +Print a summary only on exit. Useful for automated tests, where only the summary output needs to be captured. +.TP .B \-S, \-\-smp SMP testing: options -a -t and same priority of all threads .TP diff --git a/src/svsematest/svsematest.c b/src/svsematest/svsematest.c index 7de20dc65445..7388efb3f488 100644 --- a/src/svsematest/svsematest.c +++ b/src/svsematest/svsematest.c @@ -253,6 +253,7 @@ static int interval = 1000; static int distance = 500; static int smp; static int sameprio; +static int quiet; static void process_options(int argc, char *argv[]) { @@ -273,11 +274,12 @@ static void process_options(int argc, char *argv[]) {"interval", required_argument, NULL, 'i'}, {"loops", required_argument, NULL, 'l'}, {"priority", required_argument, NULL, 'p'}, + {"quiet", no_argument, NULL, 'q'}, {"smp", no_argument, NULL, 'S'}, {"threads", optional_argument, NULL, 't'}, {NULL, 0, NULL, 0} }; - int c = getopt_long (argc, argv, "a::b:d:D:f::hi:l:p:St::", + int c = getopt_long (argc, argv, "a::b:d:D:f::hi:l:p:qSt::", long_options, &option_index); if (c == -1) break; @@ -315,6 +317,7 @@ static void process_options(int argc, char *argv[]) case 'i': interval = atoi(optarg); break; case 'l': max_cycles = atoi(optarg); break; case 'p': priority = atoi(optarg); break; + case 'q': quiet = 1; break; case 'S': smp = 1; num_threads = max_cpus; @@ -381,6 +384,9 @@ static void print_stat(FILE *fp, struct params *receiver, struct params *sender, { int i; + if (quiet) + return; + for (i = 0; i < num_threads; i++) { int receiver_pid, sender_pid; @@ -646,8 +652,9 @@ int main(int argc, char *argv[]) sender[i].shutdown; if (receiver[0].samples > oldsamples || mustshutdown) { - print_stat(stdout, receiver, sender, 0, 0); - printf("\033[%dA", num_threads*2); + print_stat(stdout, receiver, sender, 0, quiet); + if (!quiet) + printf("\033[%dA", num_threads*2); } sigemptyset(&sigset); @@ -662,7 +669,10 @@ int main(int argc, char *argv[]) pthread_sigmask(SIG_SETMASK, &sigset, NULL); } - printf("\033[%dB", num_threads*2 + 2); + if (!quiet) + printf("\033[%dB", num_threads*2 + 2); + else + print_stat(stdout, receiver, sender, 0, 0); for (i = 0; i < num_threads; i++) { receiver[i].shutdown = 1;