From patchwork Thu May 20 03:19:38 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: 12268843 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 5A811C433ED for ; Thu, 20 May 2021 03:20:14 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 3B6AC611AB for ; Thu, 20 May 2021 03:20:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230228AbhETDVe (ORCPT ); Wed, 19 May 2021 23:21:34 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:46464 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230113AbhETDVd (ORCPT ); Wed, 19 May 2021 23:21:33 -0400 Received: from mail-ej1-x636.google.com (mail-ej1-x636.google.com [IPv6:2a00:1450:4864:20::636]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14098C061574 for ; Wed, 19 May 2021 20:20:13 -0700 (PDT) Received: by mail-ej1-x636.google.com with SMTP id i7so5122398ejc.5 for ; Wed, 19 May 2021 20:20:13 -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=L4cIrri7H50G2QgorkNc4Lv9OxhhIH4oM+gSM061M5w=; b=dwilI5zfe+DRCahxffccEXZ63u3XCRnUVbs5aiL6vrh8prH3m3rRhkTmITD1LYEyw7 HOTwniOMR0zAliKuzqCNybS22frgNznbyN+E8VdUgsgdXK4Fk0yQapyNRBW/XlbMa71V idX47P6MFv20mOJPsqLIMBjZC3YriWccUyvtQ4ov1+C6EK+7T1AeA9QOiV9eRjeBNpv9 PuxDwbgimPhIUCpRop3xuAUOccaRi67VdmPyHuh+tcDQRG3BVBbMuyLWqjyCFSgYvTOr yds+0vOWLZJBGr78MG6SOy9Vlw69mK+gVryh0Wzhh8GSFQbtxFwUDx834/t9rubPosbq hW7g== 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=L4cIrri7H50G2QgorkNc4Lv9OxhhIH4oM+gSM061M5w=; b=YuzdIEw886r2v2ZlRJMG/qqf5M+08n/fZF4QXqi/KterikrJ9L/NrA/b0VVfx56Sry 8sWWJoO4DpF/Wsx7VtWTRCVAdv1xL8LjDYFovLUxHjjlVZsyCPC6AY+A5yO5G5t0vsaq KNJNiLbCK0KIHgw/Cv+Uqtki/rNgD6r9X/D4JPfuS/2mufLdaffFzYcy1lXqJJHyKyaE k895iyB8ZPzj76Xsoc0o51q4WUIFwh4Ty9Qz+HbI2v3FvxXNnis1yVQhVpZhlGLJTlaO L3dylZhiyPVLGVIehWmGMITP6gOF825qr1cMQvVPh3CNSsW/xHoS7/MOM8Dn+lRS88A0 H+TA== X-Gm-Message-State: AOAM532UOr9jLhWypRm2qJx18M6ajtpXKkbqcaWMBQRJFCVAlFvdmXTb KXtraudL/d6ZF/GRbJH47Y0= X-Google-Smtp-Source: ABdhPJyYp1m2Hayn9M94CH379YdlJkLpg6XvOnDIH6mPRvyJdndoB+gDp0doN8rbMr5B+YXZz60ENA== X-Received: by 2002:a17:907:105e:: with SMTP id oy30mr2441566ejb.258.1621480811653; Wed, 19 May 2021 20:20:11 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id f5sm763280eds.55.2021.05.19.20.20.10 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 May 2021 20:20:10 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v4 08/29] trace-cmd list: Show supported compression algorithms Date: Thu, 20 May 2021 06:19:38 +0300 Message-Id: <20210520031959.346165-9-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210520031959.346165-1-tz.stoyanov@gmail.com> References: <20210520031959.346165-1-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) --- tracecmd/trace-list.c | 26 ++++++++++++++++++++++++++ tracecmd/trace-usage.c | 1 + 2 files changed, 27 insertions(+) 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 998f5a24..c388eccd 100644 --- a/tracecmd/trace-usage.c +++ b/tracecmd/trace-usage.c @@ -330,6 +330,7 @@ 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",