From patchwork Fri Oct 8 04:19:43 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: 12544263 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 CC3ABC433F5 for ; Fri, 8 Oct 2021 04:20:15 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B5E2D60F6B for ; Fri, 8 Oct 2021 04:20:15 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S237434AbhJHEWH (ORCPT ); Fri, 8 Oct 2021 00:22:07 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49816 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S237403AbhJHEWH (ORCPT ); Fri, 8 Oct 2021 00:22:07 -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 7150CC061570 for ; Thu, 7 Oct 2021 21:20:12 -0700 (PDT) Received: by mail-ed1-x532.google.com with SMTP id g8so31245123edt.7 for ; Thu, 07 Oct 2021 21:20:12 -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=gd0cDqdn2qY2404b9VCs8fTfE7hm13m3VAh6s+lr2x8=; b=TOe0PLqdy8GSxKu/iO/FgKB2+5rlE48lB3v0vFmqEseimapNtA5Pru92nsIVfZHPue XhuwJHwOoNMIm9DavREioObkEHb3Q1NuAVdWaYXHH68O2fJwiAh0cCwENAW/Gv5lHHwW MMApHFUZXPkj9/6ib6+OCCX4U8HJfDHdA/Usf1Xj6MUJ3mLxG4J5iJxCM9gVYPlHbeCE QuHvn7nHcrvv1H8WH8DQUAAjWsnrPHg3+g3scyUrWyTVk4cPivme2LB6kC28mO0wqYbt utACvJX0hiuDkKpsqof1oXBZIzFHUvW0VXVM2WQLEIOBBLZpo5Ss4YLq++93VWPL4O6o yiBA== 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=gd0cDqdn2qY2404b9VCs8fTfE7hm13m3VAh6s+lr2x8=; b=eZfqgpBLTcJE1b+/l/jbwGiZG+3u1jHrp36iUjZ1STTweqAWxYOjhM4jfmpljkDKPc yg6GEebgxafUkgTbcAqOUadTytQNvTalNppNq83vGE43vmZSbzSGPiGEy4L4DmDzVx29 3Xkd6f8G8milJ235YGgm5zntwdUNqCSk2mUsy5VBR7LSHuYGeNgW5kGXml2qx4dp87cX GaT0PcwEKSd1Koq4/ZNaoLtABoubZXHrON2lewBxpY1HQcBVUXy/soop0FEEkc+nuijs tshJS/pi6hUlrdGuZhSrEso3Oi6oIW3wwz8OhMZ2XR54E3xUlpIu3qE2X5106nMfrPYy Vx4A== X-Gm-Message-State: AOAM531pT3rz5vxfZhtXa08+tkaWSPW+cJ8kxpx3yymLKwfsC39XUb3w 42ldNn4RQSNJlH++pIvajj2ekYWrfJWOUA== X-Google-Smtp-Source: ABdhPJyQQGs6rwvKnbgrbD8zwTUKbp7tCciM1d0JIrtThAFBDgrbXNexAt86q9n0TiG9VgyG0dFXkQ== X-Received: by 2002:a17:906:f6cd:: with SMTP id jo13mr1233379ejb.563.1633666811126; Thu, 07 Oct 2021 21:20:11 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id p6sm511669edi.18.2021.10.07.21.20.09 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 07 Oct 2021 21:20:10 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v4 10/25] trace-cmd library: Add section header before flyrecord trace data Date: Fri, 8 Oct 2021 07:19:43 +0300 Message-Id: <20211008041958.976309-11-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20211008041958.976309-1-tz.stoyanov@gmail.com> References: <20211008041958.976309-1-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 63f00cba..a5025d50 100644 --- a/lib/trace-cmd/trace-output.c +++ b/lib/trace-cmd/trace-output.c @@ -1892,10 +1892,12 @@ __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; @@ -1914,6 +1916,13 @@ __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(*data_files)); if (!data_files) goto out_free; @@ -2002,6 +2011,9 @@ __hidden int out_write_cpu_data(struct tracecmd_output *handle, if (do_lseek(handle, 0, SEEK_END) == (off64_t)-1) return -1; + if (out_update_section_header(handle, offset)) + goto out_free; + handle->file_state = TRACECMD_FILE_CPU_FLYRECORD; return 0;