From patchwork Wed Jul 28 13:31:32 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: 12405653 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=-15.8 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 9185AC4338F for ; Wed, 28 Jul 2021 13:33:08 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 7A46D60FED for ; Wed, 28 Jul 2021 13:33:08 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S236279AbhG1NdJ (ORCPT ); Wed, 28 Jul 2021 09:33:09 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53982 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236608AbhG1NdE (ORCPT ); Wed, 28 Jul 2021 09:33:04 -0400 Received: from mail-ed1-x536.google.com (mail-ed1-x536.google.com [IPv6:2a00:1450:4864:20::536]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 65703C061757 for ; Wed, 28 Jul 2021 06:33:02 -0700 (PDT) Received: by mail-ed1-x536.google.com with SMTP id f13so3182624edq.13 for ; Wed, 28 Jul 2021 06:33:02 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=fv+FJkb2Lkjik897xvnzRSMdiYDW4XmLvXrISE7YIac=; b=MOI5vbKpsMFxwqMi9Ki5fcr0BsVLfVnr4DC1QGdrb/lKCPSZE+Tj9pOfYdzEF3Z6P0 WnfwHfXazvCp7jcaYAqIabkRbJycVaXuI6zWGivQ8LhtGXOQyZxGDkzJdn7DJFHcYkag BfY9wEXyAmanWUlgeTQ+uTXFWxBbBgyzT+kW5e5ctJ/KCQ9xwEDQRYXHDdIBOx6Xvw+F hHMAA9TabGiJHpje/GskmgdFvVr4cx3DsEpmu2YLonH5GwlKJTmFdgzJj7vqFydtlQ/B dv5kSuY3eT26XCHq0KvB0KdjKzlaImoKCpjvkjim71pcGFfCjMSlObuqEWjZIdHdEqT9 UThA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=fv+FJkb2Lkjik897xvnzRSMdiYDW4XmLvXrISE7YIac=; b=KWYYeD2PO0mBRxI6gyITkWTzVsUtFnixM3wjGlTG24NDtea3yq87KLMupM2vKEvQqJ BNL01W4AGepAK1CzoUTsRO+pOjDuEe3nE0P7oc4PFhP/WEEt/YYmDVxoIXdZ2EzI+PLx QhbDj4o7l2tVbxhLiz9HPoogLNyhZodlf5Wvz4fgXcPfFYWxI/h2Clf6a95/9nJzyhEg 1DRuov7khFYKDVH1lbKV2fuS3Mcgu7zYKeNi+xiHh/32r7YBO0glze/g4EFuH5twTJ09 zRDWW/mB7tf8yT8S8fe8sOgGO2PmE4eEQ4x88nEDLCezBfl4UJKIq65ICITNHB5QHcvP 8mfA== X-Gm-Message-State: AOAM530Yq7NTfzsobhzUJBzuqnwFLeWnxEpQeq9AlXgj3o2xevhQIUzl DBBYC0H2sV+8/wX15uYRIcUaD39oPTjPIQ== X-Google-Smtp-Source: ABdhPJyr3d9idcYZZf32IrukaTVOswr0o/3TGCDhcFlse5YxXVDP+xPqeqTs9gXP2I3WcQJxapXzug== X-Received: by 2002:a50:954c:: with SMTP id v12mr34184059eda.313.1627479180975; Wed, 28 Jul 2021 06:33:00 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id b25sm2700705edv.9.2021.07.28.06.33.00 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 28 Jul 2021 06:33:00 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH 09/87] trace-cmd list: Show supported compression algorithms Date: Wed, 28 Jul 2021 16:31:32 +0300 Message-Id: <20210728133250.234140-10-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210728133250.234140-1-tz.stoyanov@gmail.com> References: <20210728133250.234140-1-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 32b38bfd..f463465a 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",