From patchwork Fri Oct 8 04:26:53 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: 12544359 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 E6EB7C4332F for ; Fri, 8 Oct 2021 04:27:07 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C056F610CE for ; Fri, 8 Oct 2021 04:27:07 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229973AbhJHE3B (ORCPT ); Fri, 8 Oct 2021 00:29:01 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51382 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229714AbhJHE3B (ORCPT ); Fri, 8 Oct 2021 00:29:01 -0400 Received: from mail-ed1-x532.google.com (mail-ed1-x532.google.com [IPv6:2a00:1450:4864:20::532]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 8B37DC061570 for ; Thu, 7 Oct 2021 21:27:06 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id a25so15512072edx.8 for ; Thu, 07 Oct 2021 21:27:06 -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=XuGRDg06q73jbPgmeD6b8pH/4xE6jY0heKZ3XoehWA8=; b=LFiDll08LDr1FV0D8xbpaSZVV8K62vYA2mA2UJvquCpL49gLWkSLlUTbNIIodA051W lvub9whCH7P30kJZ7s+4hx5k5mb0uYGcCDtcEgWD+4iolO6NRKtuRAzG1yyRFNsGjJYl KU0i1xrw1RzQ6ciefJsltDAsvie34dmh56QGm3HwfR5FJ6C5ZeOV3nJfBBI7MnMD7gTD IgclI4n2i3sieEfINbuPzxeWido8uCwogKYclmuAGVQ7dHEiyvxcf1f3nk6/p/4JKSIE BhcLgzx60aeIjT+I3//S2P4sgbr1ewFrPZGMvBfkvvEoCUONadDc374VMDqi3t2lN+xz XFEw== 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=XuGRDg06q73jbPgmeD6b8pH/4xE6jY0heKZ3XoehWA8=; b=dbIYy+YBJ3WZzB6mQD4YD71cP5ExsQof/pQwAzsL3kfdIPPWhBpeafVu2/v/BL/rGs SDnA/jW9ykALucB620JmeypdWSvVHh4uOJWOqbixi9hDZW6hgyOkexfJBJUR2I21/O7n iApLh4lCUrBsk9MlbMz/iJss9BI0Kezlzo+bVQ4iBOcyRDEvRuYwoPWnlPavovFz66V9 FymOaAf/2U4SttH5ZyVv5yn34u4v1P6uvg35tBcVklhNQBLRKbzW8OlEPATLR1gtGtyY bTig0MW0FIsc9ElPFwVaT/s/asL71k+SP1wNS2wWoGh++rRgXY726MJqyYUeoyeEwMwy 3oYQ== X-Gm-Message-State: AOAM532lmJNMqxCblcIdMdipNy87sIAnEnd3u+9Jb+aSGQzsvUSGvVwu 93LGcpmecbLp+vC1JwwUFAmRx6vUSw5Nyg== X-Google-Smtp-Source: ABdhPJwdhjNGs5i0OC3W/o6TlXw/ZQZR6okQrwDGTGayjQJ0n/BRiT5DiHLGFAyoWD9amIkUCyEF+w== X-Received: by 2002:a05:6402:3088:: with SMTP id de8mr11936986edb.76.1633667225221; Thu, 07 Oct 2021 21:27:05 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id q6sm456536ejm.106.2021.10.07.21.27.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Oct 2021 21:27:04 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v3 02/10] trace-cmd dump: Print compression header Date: Fri, 8 Oct 2021 07:26:53 +0300 Message-Id: <20211008042701.979075-3-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211008042701.979075-1-tz.stoyanov@gmail.com> References: <20211008042701.979075-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Dump the compression header of trace file version 7 Signed-off-by: Tzvetomir Stoyanov (VMware) --- tracecmd/trace-dump.c | 24 ++++++++++++++++++++++++ 1 file changed, 24 insertions(+) diff --git a/tracecmd/trace-dump.c b/tracecmd/trace-dump.c index d0278f7e..3cce231f 100644 --- a/tracecmd/trace-dump.c +++ b/tracecmd/trace-dump.c @@ -217,6 +217,29 @@ static void dump_initial_format(int fd) do_print(SUMMARY, "\t\t%d\t[Page size, bytes]\n", val4); } +static void dump_compress(int fd) +{ + char zname[DUMP_SIZE]; + char zver[DUMP_SIZE]; + + if (file_version < FILE_VERSION_COMPRESSION) + return; + + /* get compression header */ + if (read_file_string(fd, zname, DUMP_SIZE)) + die("no compression header"); + if (read_file_string(fd, zver, DUMP_SIZE)) + die("no compression version"); + do_print((SUMMARY), "\t\t%s\t[Compression algorithm]\n", zname); + do_print((SUMMARY), "\t\t%s\t[Compression version]\n", zver); + + if (strcmp(zname, "none")) { + compress = tracecmd_compress_alloc(zname, zver, fd, tep, NULL); + if (!compress) + die("cannot uncompress the file"); + } +} + static void dump_header_page(int fd) { unsigned long long size; @@ -715,6 +738,7 @@ static void dump_file(const char *file) do_print(SUMMARY, "\n Tracing meta data in file %s:\n", file); dump_initial_format(fd); + dump_compress(fd); dump_header_page(fd); dump_header_event(fd); dump_ftrace_events_format(fd);