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 F3DDBC43381 for ; Thu, 4 Mar 2021 13:13:06 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C52BD64E05 for ; Thu, 4 Mar 2021 13:13:06 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241160AbhCDNMU (ORCPT ); Thu, 4 Mar 2021 08:12:20 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45976 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241159AbhCDNL5 (ORCPT ); Thu, 4 Mar 2021 08:11:57 -0500 Received: from mail-wm1-x331.google.com (mail-wm1-x331.google.com [IPv6:2a00:1450:4864:20::331]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id A5457C06175F for ; Thu, 4 Mar 2021 05:11:16 -0800 (PST) Received: by mail-wm1-x331.google.com with SMTP id u125so9606346wmg.4 for ; Thu, 04 Mar 2021 05:11:16 -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=6LaAxiOBg67rcdzSR4uVw9HURB7ZktYlgso3x/oOomw=; b=W5IQNORS2Xxy0FKUjrJtWcBDvdqoNSfs7KsuV0NBuFMgW2+50XvQ2BKvASdeqmIpsO w5EO9jalGNs0jnvOvsAS7HT95P8ht2MFXPm2jX3xnKmpAXAZd3P6625J5ubQxTNn5w2/ AVd6CPjCmw1wwvWbBrYzZx3A+zOo7sZgYH43r87WCZZ+iXM3gMX90DeM10qw+zbhBjzO cxsg88uAJq1KBUI9a9hcZ1eadlVcVpJnjFw/PtSJYrPbBczs0993zKC9q+en+B9LYqst pT+o4+7/4T7hkZUt/MtTSbWqFd0HWWfkgwuUFVna8YW6vurGXzdkLAc43URY6Ncqssk4 4Bsw== 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=6LaAxiOBg67rcdzSR4uVw9HURB7ZktYlgso3x/oOomw=; b=TO7nLRofFGKsYBzTbaBj/dCgxhY8ulXY5spGD30gbBt0iVjVOzR5wat/UdiDmmwxvL 7roJfmMEUtAtfrTSl6FVEY0ZA5U1gma/TXjTBvHjicO8flPVVhwI6ABoK+oXAIj2koyx Sy/Cts95Jm6woC2OD1hnuunUBj96IeaHEF67VADOVHfGavDzWyXMLttqmtDxM7/sIpJC JwBcpA2L88WNko7EnXNtnJkSXUsswdQKFZRcxQ2dSzeNVtNba0/TFPwJJaTNE444FLvG SqS2J3XgMihwZeJE8BkPhkfn3mgDrMQXGw/pmhYfi2yx9qIUaNXEi2fmBwZyHLzl2tI0 oobg== X-Gm-Message-State: AOAM532y59hFm8bk2+zahuwp0I6XvQn4yUzV5sxbj3hQvp7lf5hk28xh kVJ8E+4tMaMoHtkHiO4hBWJ7UQcbE+XvxA== X-Google-Smtp-Source: ABdhPJyQfHGQSOJ223ix1+PvSQ5W7ViSXJseolK5O3ZRzMwUYVRFOL1fWldxn9qjp3FEzfa0I+nH1g== X-Received: by 2002:a7b:c776:: with SMTP id x22mr3912320wmk.98.1614863475420; Thu, 04 Mar 2021 05:11:15 -0800 (PST) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id f16sm35250546wrt.21.2021.03.04.05.11.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 04 Mar 2021 05:11:15 -0800 (PST) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH 1/2] trace-cmd: Enable TS correction by default Date: Thu, 4 Mar 2021 15:11:11 +0200 Message-Id: <20210304131112.204294-2-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.29.2 In-Reply-To: <20210304131112.204294-1-tz.stoyanov@gmail.com> References: <20210304131112.204294-1-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 When opening a trace.dat file with trace-cmd library, apply time stamps corrections from the file's metadata by default. This default behaviour can be disabled with flag TRACECMD_FL_IGNORE_DATE using tracecmd_set_flag() API, before reading the tracing data. There is also a "trace-cmd report" option for ignoring any timestamp corrections: "--nodate". Signed-off-by: Tzvetomir Stoyanov (VMware) --- lib/trace-cmd/trace-input.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/lib/trace-cmd/trace-input.c b/lib/trace-cmd/trace-input.c index 9ef7b9f1..134f6220 100644 --- a/lib/trace-cmd/trace-input.c +++ b/lib/trace-cmd/trace-input.c @@ -1167,6 +1167,9 @@ static unsigned long long timestamp_correct(unsigned long long ts, struct host_trace_info *host = &handle->host; int min, mid, max; + if (handle->flags & TRACECMD_FL_IGNORE_DATE) + return ts; + if (handle->ts_offset) return ts + handle->ts_offset; @@ -2585,6 +2588,7 @@ static int handle_options(struct tracecmd_input *handle) if (!handle->host.ts_samples) return -ENOMEM; tsync_offset_load(handle, buf + 16); + tracecmd_enable_tsync(handle, true); break; case TRACECMD_OPTION_CPUSTAT: buf[size-1] = '\n'; -- 2.29.2