From patchwork Tue Sep 14 13:16:43 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tzvetomir Stoyanov (VMware)" X-Patchwork-Id: 12493333 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=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,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 22560C433FE for ; Tue, 14 Sep 2021 13:17:12 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 0DCC7610E6 for ; Tue, 14 Sep 2021 13:17:12 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S233087AbhINNS2 (ORCPT ); Tue, 14 Sep 2021 09:18:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49438 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233113AbhINNSZ (ORCPT ); Tue, 14 Sep 2021 09:18:25 -0400 Received: from mail-wm1-x333.google.com (mail-wm1-x333.google.com [IPv6:2a00:1450:4864:20::333]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 943B6C061762 for ; Tue, 14 Sep 2021 06:17:07 -0700 (PDT) Received: by mail-wm1-x333.google.com with SMTP id s24so9228496wmh.4 for ; Tue, 14 Sep 2021 06:17:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=cGVmGD9Qf7kvIF9D5l30TnsDDlX1yRgwYMIHptNl3Bo=; b=oXtpLjTiWXbn35JVk50LIfxlFqFgTcshU4lyACBZp7Lhh7w86qK6N3qu1jzsQPqNMh Y2q6GSwOk75d28cEuGf79kIqS0spUqOt82KARuBOmSzomQFATEdXNKqBUvacXnw/l/Av 8V78ikP1WtlLgX3fbPR2SNheWOvqI81nbb1OWRsMviDsLxqB6ih1ha5jNlOYY+3AGxT+ H+HUc9Q7DT2iqFSNzANqNXc1KSKgrRn7uzUAhNJms8zyYHtW0PwDiF2XPxG7CRSgGIfj SL4sqfhvsmqDRy8R+j3ISe+xazKmljxti17KRUqQ5xugOm2qtnfpZtshBVZPxATNKoZ1 IfWQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=cGVmGD9Qf7kvIF9D5l30TnsDDlX1yRgwYMIHptNl3Bo=; b=Bfqh9jPWdWkdavpxzjAqEGVc+senpW5Ga3+CKb2ICskoMYiu9QHOOGNitVCGcYtYb5 +FaVhGLHYEiWchRGUYDOfYMiG8x4w8Q3lLfgS2xREZULaWDAhcD5C2Y4dPVpA3xtn85n eDtHjDJWUNHEiWPlS60EL0sSxwA4vZh+uMm7H8UXQikZ57X84V+kGlhLUuxHslRvFnhx gB1gsQfdaqAB5GEII1FY/+QGh7HpcTqwm454CPzthel9LJE1NVjWUUBf/0k1vb4tKawy QZL12gEzcbZa45Em0Gw9naSjy2lbh7wNVA9T0bbcHm7aKkH6Nwnjp9JXFExyXWUSNX+b y2hA== X-Gm-Message-State: AOAM533J8AFHViR32lCIrsgSUfnQDg2bSEDNjecI77dlVpuuGLCpVARS /Vt8Vo/SMR292HfriswJjjCUbkCQp8s= X-Google-Smtp-Source: ABdhPJzcUBjIKRQH+nvcbCh3gwjWLaPJcZggiqYzUXam6W9ezHM9VUw7vEpuySoJQITabXy9h1cNeA== X-Received: by 2002:a7b:c18c:: with SMTP id y12mr2166698wmi.3.1631625426209; Tue, 14 Sep 2021 06:17:06 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id q10sm1119624wmq.12.2021.09.14.06.17.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 14 Sep 2021 06:17:05 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 18/20] trace-cmd list: Show supported compression algorithms Date: Tue, 14 Sep 2021 16:16:43 +0300 Message-Id: <20210914131645.3966308-19-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210914131645.3966308-1-tz.stoyanov@gmail.com> References: <20210914131645.3966308-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Add new parameter "trace-cmd list -c" to show supported compression algorithms. Signed-off-by: Tzvetomir Stoyanov (VMware) --- Documentation/trace-cmd/trace-cmd-list.1.txt | 3 +++ tracecmd/trace-list.c | 26 ++++++++++++++++++++ tracecmd/trace-usage.c | 1 + 3 files changed, 30 insertions(+) diff --git a/Documentation/trace-cmd/trace-cmd-list.1.txt b/Documentation/trace-cmd/trace-cmd-list.1.txt index a5c6b16c..b77e3460 100644 --- a/Documentation/trace-cmd/trace-cmd-list.1.txt +++ b/Documentation/trace-cmd/trace-cmd-list.1.txt @@ -71,6 +71,9 @@ OPTIONS List defined clocks that can be used with trace-cmd record -C. The one in brackets ([]) is the active clock. +*-c*:: + List the available trace file compression algorithms. + SEE ALSO -------- trace-cmd(1), trace-cmd-record(1), trace-cmd-report(1), trace-cmd-start(1), diff --git a/tracecmd/trace-list.c b/tracecmd/trace-list.c index d060c810..900da73b 100644 --- a/tracecmd/trace-list.c +++ b/tracecmd/trace-list.c @@ -549,6 +549,24 @@ static void show_plugins(void) tep_free(pevent); } +static void show_compression(void) +{ + char **versions, **names; + int c, i; + + c = tracecmd_compress_protos_get(&names, &versions); + if (c <= 0) { + printf("No compression algorithms are supported\n"); + return; + } + printf("Supported compression algorithms:\n"); + for (i = 0; i < c; i++) + printf("\t%s, %s\n", names[i], versions[i]); + + free(names); + free(versions); +} + void trace_list(int argc, char **argv) { int events = 0; @@ -562,6 +580,7 @@ void trace_list(int argc, char **argv) int flags = 0; int systems = 0; int show_all = 1; + int compression = 0; int i; const char *arg; const char *funcre = NULL; @@ -626,6 +645,10 @@ void trace_list(int argc, char **argv) systems = 1; show_all = 0; break; + case 'c': + compression = 1; + show_all = 0; + break; case '-': if (strcmp(argv[i], "--debug") == 0) { tracecmd_set_debug(true); @@ -670,6 +693,8 @@ void trace_list(int argc, char **argv) show_clocks(); if (systems) show_systems(); + if (compression) + show_compression(); if (show_all) { printf("event systems:\n"); show_systems(); @@ -679,6 +704,7 @@ void trace_list(int argc, char **argv) show_tracers(); printf("\noptions:\n"); show_options(); + show_compression(); } return; diff --git a/tracecmd/trace-usage.c b/tracecmd/trace-usage.c index ac12b066..34c6cc35 100644 --- a/tracecmd/trace-usage.c +++ b/tracecmd/trace-usage.c @@ -348,6 +348,7 @@ static struct usage_help usage_help[] = { " -O list plugin options\n" " -B list defined buffer instances\n" " -C list the defined clocks (and active one)\n" + " -c list the supported trace file compression algorithms\n" }, { "restore",