From mboxrd@z Thu Jan 1 00:00:00 1970 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=-15.8 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 11213C4332D for ; Thu, 11 Mar 2021 08:49:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C4A3964FA9 for ; Thu, 11 Mar 2021 08:49:48 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231492AbhCKIts (ORCPT ); Thu, 11 Mar 2021 03:49:48 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42788 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231749AbhCKItU (ORCPT ); Thu, 11 Mar 2021 03:49:20 -0500 Received: from mail-ed1-x529.google.com (mail-ed1-x529.google.com [IPv6:2a00:1450:4864:20::529]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 5195DC061574 for ; Thu, 11 Mar 2021 00:49:20 -0800 (PST) Received: by mail-ed1-x529.google.com with SMTP id bx7so1529458edb.12 for ; Thu, 11 Mar 2021 00:49:20 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references :mime-version:content-transfer-encoding; bh=ubW2VtRXk6619zvLvFgs1cmDN0fZDzihD4b6s1f7Hf0=; b=qHJM7dHc6asgWAIYlAhgG3pBG4bozJWqaNWGDMG766LKsbrhQNuoM3dR9TGQ2yg8dK w9Cts58RJ/Cnbai+bQt4NbeiIVQWk0X0SvgWXJy3YRiH3DffmSmH+EePTRllsCl6gXyF lEUL5/wWw1MxAcmy0sfC4f9hDKt1ZM5al85kQj7nBwdL3m/bJW019YxnvWpjE5BhW5cU fol7duwdd6zVo87qYXywwceMjBAo3rAb8mQ8wJdwQjmzmhh+kDVGIIsgwjf8219F2Ay8 pw4UhqGSX8WzawlZKHZM1XrFU/cRWSl0K8azZgz8kN1pIM8iFyC4nDGXgE5m653rn0w5 LpPA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references:mime-version:content-transfer-encoding; bh=ubW2VtRXk6619zvLvFgs1cmDN0fZDzihD4b6s1f7Hf0=; b=hxSbV25IzHxa3fCH3yrA2ZZ5pa2JYG+jktQylPM5xy/zS3VEkC6++G6CdciupZVHSy dv1IVSWGaDwDsy4+sgzYcVQis985knpkSeGptAaxV8h/z/sESrrnXaTdTReXR0ot5E1x qJAueM0Oh9VwCuJPJptSNr9Jb5Ihfp32ES53jJeOmePkwhkqeXY8Bj2yHWCE2kVdMJzz NbAO8KQAPuRrA4JoFTokVYymYKSLxPWSBQVzqeMiyGuGe6ouHIzNYKU8By1/dgtae4wG oKPAbM5sJL6zdltCqD5wFBVT0koUBnP+zrFVHSAfnjG+8PimhWUoIggnx7a1i2rV2FyM I/1A== X-Gm-Message-State: AOAM533BempfmU2kuCBO/+Zg3jwnCga/NCJCDfrJXuzBSoDfmlgDgBTA C5GAiOL/FuBzKmSnPuLzjuY= X-Google-Smtp-Source: ABdhPJygqERIejnjkD5L4l5p6eb1TgZlqV4FPufDmBN2c0hvF4okWrxIWa5yV+6LH1An1AzakKm1Gw== X-Received: by 2002:a05:6402:3047:: with SMTP id bu7mr7418430edb.227.1615452559115; Thu, 11 Mar 2021 00:49:19 -0800 (PST) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id fi11sm901647ejb.73.2021.03.11.00.49.18 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 11 Mar 2021 00:49:18 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v31 13/16] trace-cmd: Read information for tsc to nanoseconds conversion from trace file Date: Thu, 11 Mar 2021 10:48:54 +0200 Message-Id: <20210311084857.1919805-14-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210311084857.1919805-1-tz.stoyanov@gmail.com> References: <20210311084857.1919805-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org Read multiplier and shift, required for TSC clock to nanosecond conversion from the metadata of the trace file and save them in the tracecmd input file handler. Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/trace-cmd/trace-input.c | 18 ++++++++++++++++++ 1 file changed, 18 insertions(+) diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c index 971a6c01..1a3133e8 100644 --- a/lib/trace-cmd/trace-input.c +++ b/lib/trace-cmd/trace-input.c @@ -107,6 +107,12 @@ struct host_trace_info { struct timesync_offsets *ts_offsets; }; +struct tsc2nsec { + int mult; + int shift; + int offset; +}; + struct tracecmd_input { struct tep_handle *pevent; unsigned long file_state; @@ -126,6 +132,8 @@ struct tracecmd_input { bool use_pipe; struct cpu_data *cpu_data; long long ts_offset; + struct tsc2nsec tsc_calc; + struct host_trace_info host; double ts2secs; char * cpustats; @@ -2727,6 +2735,16 @@ static int handle_options(struct tracecmd_input *handle) case TRACECMD_OPTION_GUEST: trace_guest_load(handle, buf, size); break; + case TRACECMD_OPTION_TSC2NSEC: + if (size != 12) + break; + handle->tsc_calc.mult = tep_read_number(handle->pevent, + buf, 4); + handle->tsc_calc.shift = tep_read_number(handle->pevent, + buf + 4, 4); + handle->tsc_calc.offset = tep_read_number(handle->pevent, + buf + 8, 4); + break; default: warning("unknown option %d", option); break; -- 2.29.2