From patchwork Wed Jan 19 08:30:17 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Tzvetomir Stoyanov (VMware)" X-Patchwork-Id: 12717272 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 EA97AC433F5 for ; Wed, 19 Jan 2022 08:30:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352474AbiASIae (ORCPT ); Wed, 19 Jan 2022 03:30:34 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47012 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234262AbiASIac (ORCPT ); Wed, 19 Jan 2022 03:30:32 -0500 Received: from mail-ed1-x530.google.com (mail-ed1-x530.google.com [IPv6:2a00:1450:4864:20::530]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 147E6C06173F for ; Wed, 19 Jan 2022 00:30:32 -0800 (PST) Received: by mail-ed1-x530.google.com with SMTP id q25so7705729edb.2 for ; Wed, 19 Jan 2022 00:30:32 -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=7xyD6vR4ZlbFS2gg5k4coi2AQeLmNQhzFxkWHZCXl80=; b=OB1/YVnFQkkJYyugfT7sn1pxWfoKOkBYhwT/YlgBDWaTebdI4fM2ObFAC8tSBaUG72 BNuSaIQOTBH/u6L8ZiPnDHb10lzHh3qljx3CEKsy2bJSaQX65HDmhWH59LvEVXBQDCaN pGLpZgmoxIHqUIOLHinPAzbEVV+5QwU3X3KM4w074XiPLCzt5ZqtNN6YD0E0TUk6qJUU WHDkFyiuFNsx2HKfDnh2ayDbbG549Lv56fwktV6f/TgrGyFJmucEseQvO1lWx8/+Js2x Xbn4whZ2Z+KpYtWvsg/NJi/JmbkZ3+/vRDlPfvyzukhB4d9hsFwRC9al0nwGNvq47zWq 3p/A== 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=7xyD6vR4ZlbFS2gg5k4coi2AQeLmNQhzFxkWHZCXl80=; b=x3qPNz3AOtdw6vhqHP1KVXyLL3PQEY5AL7XDmH10e0vNNHnNywkxwJwoSMbSa1q6Zo pj4DNMcvC/D880RsXmzzolXVAurcymn9yB3UnoKDXyTcoRTn8/2j2EGLB4Lq4Ezwvws8 AzQmixzNmfU4sLI+ZG2KY4bX6iX6Ss8BkiNn6IlGMaSyb+bvIT5Gn9iS2tERMZ+8NyYg 7dEcd/QG7LVhBVzEKk14RWyNsWdOcJWZ12FVE3N15iVWxCII82QLztaAgwASN1TSvbEp tE9tDsO+K/5IJVDldSIoYlT8mD/Ok1IPHEoZS9iVJg7lyk4wOvlmUecNW92zrICRNzaW zb6A== X-Gm-Message-State: AOAM5328brnsxS8KgaT8XKZpna4/Y6f24ItPDzjhiViPjqX9jHpkzc4d Rl6V5FqIKio4VM7nW3U/wFI= X-Google-Smtp-Source: ABdhPJy7fiuSAOyQPxHfDHB4vAulw/utyE0pVFAfkXrsgNS1MV+crvhhSoD+g0bB+J6QZTKn8T/gYw== X-Received: by 2002:aa7:c448:: with SMTP id n8mr27329706edr.378.1642581030711; Wed, 19 Jan 2022 00:30:30 -0800 (PST) Received: from oberon.zico.biz.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id la7sm6095530ejc.94.2022.01.19.00.30.29 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Jan 2022 00:30:30 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v7 09/11] trace-cmd dump: Dump sections content Date: Wed, 19 Jan 2022 10:30:17 +0200 Message-Id: <20220119083019.246153-10-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220119083019.246153-1-tz.stoyanov@gmail.com> References: <20220119083019.246153-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org In trace file version 7, dump the content of the headers content, that are stored as sections. Added logic to dump these headers: HEADER_INFO FTRACE_EVENTS EVENT_FORMATS KALLSYM PRINTK CMDLINES Signed-off-by: Tzvetomir Stoyanov (VMware) --- tracecmd/trace-dump.c | 41 +++++++++++++++++++++++++++++++++++++++++ 1 file changed, 41 insertions(+) diff --git a/tracecmd/trace-dump.c b/tracecmd/trace-dump.c index a765d1cc..fd54ee5c 100644 --- a/tracecmd/trace-dump.c +++ b/tracecmd/trace-dump.c @@ -744,6 +744,46 @@ static void dump_option_section(int fd, unsigned int size, do_print(OPTIONS, "\t\t[Option %s, %d bytes] @ %lld\n", desc, size, sec->offset); } +static void dump_sections(int fd) +{ + struct file_section *sec = sections; + unsigned short flags; + + while (sec) { + if (lseek64(fd, sec->offset, SEEK_SET) == (off_t)-1) + die("cannot goto option offset %lld", sec->offset); + + dump_section_header(fd, sec->verbosity, &flags); + + if ((flags & TRACECMD_SEC_FL_COMPRESS) && uncompress_block()) + die("cannot uncompress section block"); + + switch (sec->id) { + case TRACECMD_OPTION_HEADER_INFO: + dump_header_page(fd); + dump_header_event(fd); + break; + case TRACECMD_OPTION_FTRACE_EVENTS: + dump_ftrace_events_format(fd); + break; + case TRACECMD_OPTION_EVENT_FORMATS: + dump_events_format(fd); + break; + case TRACECMD_OPTION_KALLSYMS: + dump_kallsyms(fd); + break; + case TRACECMD_OPTION_PRINTK: + dump_printk(fd); + break; + case TRACECMD_OPTION_CMDLINES: + dump_cmdlines(fd); + break; + } + uncompress_reset(); + sec = sec->next; + } +} + static int dump_options_read(int fd); static int dump_option_done(int fd, int size) @@ -1037,6 +1077,7 @@ static void dump_v7_file(int fd) if (lseek64(fd, offset, SEEK_SET) == (off64_t)-1) die("cannot goto options offset %lld", offset); dump_options(fd); + dump_sections(fd); } static void free_sections(void)