From mboxrd@z Thu Jan 1 00:00:00 1970 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 28C8AC433F5 for ; Fri, 8 Oct 2021 04:22:38 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 14CA9610CE for ; Fri, 8 Oct 2021 04:22:38 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237743AbhJHEYc (ORCPT ); Fri, 8 Oct 2021 00:24:32 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:50396 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230409AbhJHEYb (ORCPT ); Fri, 8 Oct 2021 00:24:31 -0400 Received: from mail-ed1-x52f.google.com (mail-ed1-x52f.google.com [IPv6:2a00:1450:4864:20::52f]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id D4EBEC061570 for ; Thu, 7 Oct 2021 21:22:36 -0700 (PDT) Received: by mail-ed1-x52f.google.com with SMTP id d9so7380431edh.5 for ; Thu, 07 Oct 2021 21:22:36 -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=S9kNfKdEtFktYBRt7XYN2HCvseOpo0b2E9fjbHNGVRElxzn+QafoUlnwXlkCotsUmp 5jTP51UasxrvMUI/jiYifV/7hEJCazJpcBW2lBX/rIMGbztgQhj1N0XQ/WWlYZ8BAMHK CJLTa3zJpC/frmHnH0glDmOk5+SnPYdtOetLtDsEfo2/xLl1ySAv/ZpF9/JOmUHm6g0y PdRRJCuAKoIojhT0pyFkwxb0IgEHx5XGFKO0wy3vYXeGmU9JBIhscgCaQ6fpiQETDckB mlxeVGketcNcNqQHOXdB764UI+Ni60ziyQjs41TFNiupMRoxfDcHt5Alkcbcfr/amFSI ea7Q== 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=J8NvGYIavmrN1+bw1ILeRetn2GUo4mkbW2vgsw47Nj4QvUxTIRZmEfGLUke7++Wioe tKHzriVG3z1+faEyZC7q1dyyZf6Z9bf8x+bREFK3Cs0MCSmr+SOOd4nNYHjt1PiDSQ7m /62hmB7qJqF3xXWl/wWPRAzkfgW433sGnTsbxtIowiH58+3JtE5wMsB7x8g/QV0eTlwo HM1QuZM+GbCrjyomvX/KFSqA3GEIhH42jZ8XzkKyBWeu1pwfOUmxpL/+piCKh09tTzCT 3VXGgORkXHelQ//ET+BR7YBSTrbO+uKns+3BPP+i264ptoMT/OFBEdgFL56S12RsCi9W 4FYA== X-Gm-Message-State: AOAM531pWEaZ0EBeQcDywaIU7lHwy5k2bhxjHs+Icj9f5PflJSj2v7Sq z178G8qc9b2krMmeg9+Z5+lv/bkdF53uNg== X-Google-Smtp-Source: ABdhPJy1G2Ma5dUxiNpdJ+u+fGEMCCu4f2bviPZiwTgV/7G3mWeiAlBVLw5Qd4qXlginGaAR1EA2IQ== X-Received: by 2002:a17:906:16d0:: with SMTP id t16mr1268252ejd.199.1633666955492; Thu, 07 Oct 2021 21:22:35 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id g23sm517429edt.1.2021.10.07.21.22.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Oct 2021 21:22:35 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v3 18/20] trace-cmd list: Show supported compression algorithms Date: Fri, 8 Oct 2021 07:22:12 +0300 Message-Id: <20211008042214.977193-19-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211008042214.977193-1-tz.stoyanov@gmail.com> References: <20211008042214.977193-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit 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", -- 2.31.1