From patchwork Thu Nov 11 15:11:51 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: 12615117 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 9982BC433F5 for ; Thu, 11 Nov 2021 15:12:17 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 843E0603E9 for ; Thu, 11 Nov 2021 15:12:17 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234010AbhKKPPG (ORCPT ); Thu, 11 Nov 2021 10:15:06 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:38124 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233991AbhKKPPF (ORCPT ); Thu, 11 Nov 2021 10:15:05 -0500 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 5C212C061766 for ; Thu, 11 Nov 2021 07:12:16 -0800 (PST) Received: by mail-ed1-x536.google.com with SMTP id m14so25744355edd.0 for ; Thu, 11 Nov 2021 07:12:16 -0800 (PST) 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=0vF4/kyI9N2FIR8o+/109ZpzkBALfqAJzj8PQ0/ofkw=; b=fQuMNzVI4YLcCCb83XJB9spVHaJh7M68i3qCR+OU8w03n71RhFuvOucbnB6pqoopdk TGP0JfqASPnVkmLnYOhqur/7KTDIu2zr5uaYt2dd9A9GyRrzaSQf5JWS8sDqtbYHcg9g HKOta12P1tRbnAOAL2yTx82qIWshXXYaZ0ftu24xx6ultZNDlhn1KJovEdurZUciGcAJ oEBCW2wQA2c4caqWpOzH1Nbqu4t/CSpr25ZG+MswZJKuJgDdms01HHVe2FXaI5CSVDIy Ps1yEleLXbnerZMVPzxfkpuzjgrQOHt5XvYd0dn9Yr1VkpSz/p0OWQPRkdAiNSf7eHBr dCQA== 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=0vF4/kyI9N2FIR8o+/109ZpzkBALfqAJzj8PQ0/ofkw=; b=RpgXsMgpa17k53jd/upBsnq+hgThSez0O8f5b4v+javAK+Oke9d9PWvYvqdQQMWETP 0iu5kr/kDz+jLt+I00Kb6mhliIBNo43xnQuEovhq2rkDe+K27tglHOpUvZ08Oax0Gkp4 2MZ6SkQOwXwpLlxholA8H14v69UGPZWshXa7ws2cIfkWyZ6N9QwrrT3UlbOrDrnzNy5W tsEEcIQxYMe1nwSzyfmX9zz/ATTBjkMShSbRhP9UlCSu40eg4f9nJ6FbCyRCeYyW/CbY V3FDg/YTX4kveQ92kZiJeZtC4OycccykQjYhtVe79Cj6taCHS/SDRLrP22dluiX3upDM Vymw== X-Gm-Message-State: AOAM533sG7YCCkILsqfO7q0qpFLIKvjjR9O3pkhqDazmehkNQ643wtVv SgMEy2ygiFa8BdUG/sEZ7dh4/WvKRyADDQ== X-Google-Smtp-Source: ABdhPJyn4nSyRnpfE27IYIChKwAoXqKSV9cPtmpE9I75M7QzgnUS4COobqrz9/xKJRg4S0Ipaj0Vkw== X-Received: by 2002:aa7:cb92:: with SMTP id r18mr10880541edt.282.1636643534866; Thu, 11 Nov 2021 07:12:14 -0800 (PST) Received: from oberon.zico.biz.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id qf9sm1479509ejc.18.2021.11.11.07.12.13 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Nov 2021 07:12:14 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v4 18/20] trace-cmd list: Show supported compression algorithms Date: Thu, 11 Nov 2021 17:11:51 +0200 Message-Id: <20211111151153.86855-19-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211111151153.86855-1-tz.stoyanov@gmail.com> References: <20211111151153.86855-1-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",