From patchwork Mon Sep 13 12:29:32 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: 12488759 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-15.7 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 2E0B4C4332F for ; Mon, 13 Sep 2021 12:30:04 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 17E5760FC0 for ; Mon, 13 Sep 2021 12:30:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S239987AbhIMMbT (ORCPT ); Mon, 13 Sep 2021 08:31:19 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:47024 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S239946AbhIMMbS (ORCPT ); Mon, 13 Sep 2021 08:31:18 -0400 Received: from mail-wr1-x429.google.com (mail-wr1-x429.google.com [IPv6:2a00:1450:4864:20::429]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 14026C061574 for ; Mon, 13 Sep 2021 05:30:01 -0700 (PDT) Received: by mail-wr1-x429.google.com with SMTP id w29so13650297wra.8 for ; Mon, 13 Sep 2021 05:30:01 -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=/PWBnkuChH7nnnnTH7/16VnQGRFsphyBjCJTQkbf25o=; b=oPvAKvmwSXWQ6Kob9ncPs4JNDhW/wUaJS7v1LUZgP0UiSVwF7/q1shS5aEyqmkSlh7 HtGoia+wnNUv/jiXZUSx5CSNV9WVBqmPBNuwdVrAp+BdkSvoUGghXGh66MMwxdiCfbbS 1kn5RL7PdA2RukvABvBaGYdHV/Gv183h+P+vIS7pTH1Z4rbqN93knLPjTbGeO0yJwg3J 6IJKJAq4yhB2oAqsyE0IaNxnCxyaCVeKQPvfbpuvukC+v96WwKYCfwE7sP0k/stn/JHS Lun80NjobjihEC4jS3W8b094NqrvWTYteqZjgpt8LiPJJZ8bdGPJb5CAUdKgP7ns6/+8 Ta5g== 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=/PWBnkuChH7nnnnTH7/16VnQGRFsphyBjCJTQkbf25o=; b=5pFrAlmo6j/EQjVfAOlv0pvRlIFiJapdS3Dk6dARwvaz9w3mYg1NCNG8RERviYc1zH q5gFD++VlM1e49MgcLqRV6EWmoCP1Tljs3L36t6nVZedLxCMIRbYUAWo8C5dyvtWr3dS x3q+dMEK247XU8qUBT9BeMPu2ayEVMmY0Ux8dS9gV/rwDRj/Y69JY6GHMdSo+hwcMbom fZ+O6z9VZ9jldR4aXiGnond7ocNTpng4w3q+0D5Fym4RaFWwE3MqeC+YIbFB8PmtwF3V pGrtyc/3LPNOlmDggzRqQ9MTS+EunR65+COV+A6XVnL9rWsonsFf77316nFaYbl7nrjd EIxg== X-Gm-Message-State: AOAM532g/0HK0xAtT4dj+UHbMFSBsP3LWGyHibvPyqwP6DN6rwS3voWH p0fjRggLuUVi1nVtXIDd19A= X-Google-Smtp-Source: ABdhPJwS/X8wHOhBr/ExflrUsTpSOFqVF8/aEWSc9UrJpjORuhZNNwKXPCL+r4y1Cf0PP2HdwMh0ew== X-Received: by 2002:adf:c144:: with SMTP id w4mr12487865wre.398.1631536199704; Mon, 13 Sep 2021 05:29:59 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id z5sm6842030wmf.33.2021.09.13.05.29.58 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 13 Sep 2021 05:29:59 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 10/25] trace-cmd library: Add section header before flyrecord trace data Date: Mon, 13 Sep 2021 15:29:32 +0300 Message-Id: <20210913122947.3673239-11-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20210913122947.3673239-1-tz.stoyanov@gmail.com> References: <20210913122947.3673239-1-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, write a section header at the beginning of each section with flyrecord trace data. Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/trace-cmd/trace-output.c | 12 ++++++++++++ 1 file changed, 12 insertions(+) diff --git a/lib/trace-cmd/trace-output.c b/lib/trace-cmd/trace-output.c index 07ea6d81..2515a5de 100644 --- a/lib/trace-cmd/trace-output.c +++ b/lib/trace-cmd/trace-output.c @@ -1896,10 +1896,12 @@ __hidden int out_write_cpu_data(struct tracecmd_output *handle, int cpus, struct cpu_data_source *data, const char *buff_name) { struct data_file_write *data_files = NULL; + enum tracecmd_section_flags flags = 0; tsize_t data_offs, offset; unsigned long long endian8; unsigned long long read_size; char *clock; + char *str; int ret; int i; @@ -1918,6 +1920,13 @@ __hidden int out_write_cpu_data(struct tracecmd_output *handle, if (!HAS_SECTIONS(handle) && do_write_check(handle, "flyrecord", 10)) goto out_free; + if (asprintf(&str, "buffer flyrecord %s", buff_name) < 1) + goto out_free; + offset = out_write_section_header(handle, TRACECMD_OPTION_BUFFER, str, flags, false); + free(str); + if (offset == (off_t)-1) + goto out_free; + data_files = calloc(cpus, sizeof(struct data_file_write)); if (!data_files) goto out_free; @@ -1998,6 +2007,9 @@ __hidden int out_write_cpu_data(struct tracecmd_output *handle, if (do_lseek(handle, 0, SEEK_END) == (off64_t)-1) goto out_free; + if (out_update_section_header(handle, offset)) + goto out_free; + free(data_files); handle->file_state = TRACECMD_FILE_CPU_FLYRECORD;