From patchwork Wed Jan 19 08:30:10 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: 12717265 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 1A70FC433EF for ; Wed, 19 Jan 2022 08:30:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1352484AbiASIa2 (ORCPT ); Wed, 19 Jan 2022 03:30:28 -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 S235211AbiASIaZ (ORCPT ); Wed, 19 Jan 2022 03:30:25 -0500 Received: from mail-ed1-x535.google.com (mail-ed1-x535.google.com [IPv6:2a00:1450:4864:20::535]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7F6D9C06173E for ; Wed, 19 Jan 2022 00:30:24 -0800 (PST) Received: by mail-ed1-x535.google.com with SMTP id f21so7516367eds.11 for ; Wed, 19 Jan 2022 00:30:24 -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=fuzogmPA1cNlbPNA80i95aTJkAS7oOOClLtr8KSBmOM=; b=A0Ddu0dQzm34B1qv1E4SjjW5LHZoYgahMeZ+qqNJM9/T2gEeNCKcoaAdUb6CRokxuy Irws909ZydANMB52zqgKQ4pEF6IrEegm+SetkjcWjbe6q+rahnrTL52SG9GMWGXIamkv eIXXZfGQL9uhAPk1RDbONJNnIw5kbvn9pO6rYuWq9lSdXcoREGAcENG1PPBiy/wOiIgK i3Q1joi9ut2agyoaJhfR2Cia1RrPtDfgf/iJ6xc4htAp1OKJDQRHtuNVpm2ve+wUAsFc its6djyQpqGT9yPw08cD4j2unmnHVzGHgMysxYm4GGgKXz0GlM+0HjIAgU0lf7yLIK0N HWng== 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=fuzogmPA1cNlbPNA80i95aTJkAS7oOOClLtr8KSBmOM=; b=NRrZQVFhKuuiVQ6saGrZUess1n3TYJKWGCPHiU42BJuHOqVLKMVkMArDSThnnS8HwK y92p//Eq6RzXrnToyNX6Gauf1CX9TdbsD7EFiQaqvniXy0ftMr9DonqD4cDppkoa0/ZQ Q2uwRN7indfw+oxPxXI9IwvRhVKScv6TlLBX2VOD2wXE0BtSYJ10V12FEDmRTjHDjE5w oTgR1Feo7yTw0aC+msFRg64/X3BHYF2EG4Wv/yRfCTm/fHBbJaNsVkSx4EegK4016/tL EuHHVDewBTq/TW2rAASObI0gWdnUlNgVC1XJNG00zPxIBM8/15qjV/4CXoQ7AfyLsiOZ W3Iw== X-Gm-Message-State: AOAM530lNMKkiWerSieoUwQDURjrxzlSn8gBhyOv676FduG2EVFagZmz 8Sgz+Y+MR34x3MwQ8MBkIQaYzfqZebE= X-Google-Smtp-Source: ABdhPJx3nvC2zCmuudfHRu7rN3mbGgOG/bWpRunQXcNaGAtgQnsS7hMBRi41PldLbJF3/9faNSJbAA== X-Received: by 2002:a05:6402:22a3:: with SMTP id cx3mr1198496edb.269.1642581023174; Wed, 19 Jan 2022 00:30:23 -0800 (PST) Received: from oberon.zico.biz.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id la7sm6095530ejc.94.2022.01.19.00.30.22 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 19 Jan 2022 00:30:22 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v7 02/11] trace-cmd dump: Print compression header Date: Wed, 19 Jan 2022 10:30:10 +0200 Message-Id: <20220119083019.246153-3-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 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 23733194..1503e2bf 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; @@ -760,6 +783,7 @@ 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);