From patchwork Thu Dec 2 12:25:05 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: 12652475 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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id DC720C43217 for ; Thu, 2 Dec 2021 12:25:29 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S235759AbhLBM2v (ORCPT ); Thu, 2 Dec 2021 07:28:51 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:36630 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S236179AbhLBM2u (ORCPT ); Thu, 2 Dec 2021 07:28:50 -0500 Received: from mail-ed1-x533.google.com (mail-ed1-x533.google.com [IPv6:2a00:1450:4864:20::533]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7A481C061757 for ; Thu, 2 Dec 2021 04:25:27 -0800 (PST) Received: by mail-ed1-x533.google.com with SMTP id e3so115373796edu.4 for ; Thu, 02 Dec 2021 04:25:27 -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=I6dnLkN8VJnk12F+IXz2Bkoq4y5k3rt5be/pIGkAnhHTKw8Yrwr0S5tzc3kcYOFn1l +WkGjZkutNerF5ii+BXJcymZpoU9aVc080vDS3oS7IWaWhsJxhVs+zY8paU8E+mipVt0 m0fjv1aIUuRqxnh30WB9oAi3evVnEq6jG0+j1nsCnpxBuAAXD2VS5t/klbPvaHHqW7jY 8iIKrrobHqFo7pnU4tG7CveZTZe2XwKVbJC+k7er5Bt/SfjGKlB99U3Ot1yFYI4Lvfmb DhqJvTSny0uR7xecjweyBwNyu3eRhyQZBIMuGj7e6qf27+1D3s7bu1e+iUBuIw/ACnRi SddA== 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=4Kk5D2CcQDpgbPFQd4Iy/aPXuikY3jWmqnSy6tq+TWw2xRuPq6PDebsXdNXc8OK5uE P1pJlH+ZmE83R2snw+DsLeBV3uIesuC3o4wpapbeKtc6mGRyH9FCTos9761+Y1lY6m56 HtPXdlZmk9krnjiiALVc4L3fvBY7sVrmpyEe0FiGu/2CwUBazgwjosiw6j5LH1AzUUjL V9HDMfQBC/strPCENbmbwqvsfQjW9xNoKLYSOut0eaX5dKEew8BI0Vaq4BasS/EUM+ud YdkhIr0Ojga1QuO82eowrwUp8Q+eugzUfqZYLSzZmT3t4R1Anq9HVaJ2skItU2r0O9Oz HolQ== X-Gm-Message-State: AOAM530yKfjir2wHoEEnNH7C2BOqEMYENHP/YfnAuBXKdPU0+mCZBrqb p04G0KWMkeQKL2+/dYqNFfuAMQW4Z40PjA== X-Google-Smtp-Source: ABdhPJwZWpuH0YUEQIZZkvRQ56QMOb+xAjzOwMviNn4tZOGsc8COewrcca4oNeNyqGs/xrEzl8I3wg== X-Received: by 2002:aa7:c406:: with SMTP id j6mr17883156edq.76.1638447926115; Thu, 02 Dec 2021 04:25:26 -0800 (PST) Received: from oberon.zico.biz.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id eg8sm1998507edb.75.2021.12.02.04.25.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Dec 2021 04:25:25 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v5 18/20] trace-cmd list: Show supported compression algorithms Date: Thu, 2 Dec 2021 14:25:05 +0200 Message-Id: <20211202122507.43572-19-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.33.1 In-Reply-To: <20211202122507.43572-1-tz.stoyanov@gmail.com> References: <20211202122507.43572-1-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",