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=-9.6 required=3.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, 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 1A62BC2BA2B for ; Thu, 9 Apr 2020 13:28:55 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id E4A422072F for ; Thu, 9 Apr 2020 13:28:54 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="SmDcEh1s" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726765AbgDIN2y (ORCPT ); Thu, 9 Apr 2020 09:28:54 -0400 Received: from mail-lj1-f195.google.com ([209.85.208.195]:42494 "EHLO mail-lj1-f195.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1726749AbgDIN2y (ORCPT ); Thu, 9 Apr 2020 09:28:54 -0400 Received: by mail-lj1-f195.google.com with SMTP id q19so11402769ljp.9 for ; Thu, 09 Apr 2020 06:28:53 -0700 (PDT) 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=P5zIt2o5bsqrwBStNHt6WbiT//vKo/fn+Rl7EAUsap4=; b=SmDcEh1sAQiqkmm6dejHI4Dbc+09B7et7lvE6W5y5e48mL7Z3j9CtsOWSXPpY1uJkw Rha61TPQv3R5l1428+5C/V0kTpQvU+qsa72lRADwRFwBDRNyrs8amwCQKZwnL38jrOxx O1qZU1ugihcdYsInUKP7PyrflrTQ2sXXycz6yyupaAvIvQ/ANoBNpdc/PLGVnUM62kyq BHqqwv+ucS2LNqEyTR/npbI6DTptTFdCRTXtCtYWDN0a3p47fy3BjnWpyp4UYf3PgZRQ Zy3mhdplYUMrKHgms3z5zlaEntvCpaRqUQugo6v/dJifFXM9DszAc5nZZsc4w/CipvPm wa6g== 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=P5zIt2o5bsqrwBStNHt6WbiT//vKo/fn+Rl7EAUsap4=; b=hpB1RWLuK/i77Pb8C3vjCMRBNkpcWmNx+EYuvIeyjnGVDTs8iGUy9+xTcVORnEh87W QW0w1SGZ7Uq0wynM2U0ZbSMzv1LA42FwcbYa8d3PdINbY1982clhbqSM10FnlRvGgkJX PVjRCqOis9qWWNJ1Xv9UEk+nljHz/+0kAYRTO6BXJDJNEi5W3HBBBLJccQOEIQg9sI+6 iqOZCA5XX0GbZnJBjTC6twcRF/iFzhPOwrX37Z4VtpC6A+GvSBoIOjlk9Az8O48rIbQ9 wUtXPdPTBqkbNk5AIJg1HNctnvKlXJ2pCcXb0t802aMtQMydvBxo1Zz3n/GsO9a8xikH BeeA== X-Gm-Message-State: AGi0Puba029NKABk/DsTVR+Krs8/pTjZhjyMpIGvNcfE572YuRZs9BNK qjhf3ZCATp18jd92ETTCc1CXO+se9hY= X-Google-Smtp-Source: APiQypK71hpVj6akyiunalp1oC3ROfvljXJCIchuKnaBifT4k3+7i+JqtX1+jofiWoIDRWT1zDcBDA== X-Received: by 2002:a2e:9c9:: with SMTP id 192mr7622242ljj.77.1586438932502; Thu, 09 Apr 2020 06:28:52 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id w16sm3716849lfk.49.2020.04.09.06.28.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 09 Apr 2020 06:28:51 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v4 2/3] trace-cmd: Add a define to enable per CPU timestamps synchronization Date: Thu, 9 Apr 2020 16:28:46 +0300 Message-Id: <20200409132847.79592-3-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200409132847.79592-1-tz.stoyanov@gmail.com> References: <20200409132847.79592-1-tz.stoyanov@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Sender: linux-trace-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-trace-devel@vger.kernel.org The new define TSYNC_PER_CPU, enabled by default, can be used to enable the per CPU timestamps synchronization. It is mostly for development purposes, to compare this new logic to the legacy one, where a single CPU is used. Signed-off-by: Tzvetomir Stoyanov (VMware) --- tracecmd/trace-tsync.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/tracecmd/trace-tsync.c b/tracecmd/trace-tsync.c index d44c3850..8de846e1 100644 --- a/tracecmd/trace-tsync.c +++ b/tracecmd/trace-tsync.c @@ -31,6 +31,7 @@ static void *tsync_host_thread(void *data) pthread_exit(0); } +#define TSYNC_PER_CPU int tracecmd_host_tsync(struct buffer_instance *instance, unsigned int tsync_port) { @@ -54,9 +55,11 @@ int tracecmd_host_tsync(struct buffer_instance *instance, goto out; } +#ifdef TSYNC_PER_CPU ret = trace_get_guest_cpu_mapping(instance->cid, &instance->tsync.cpu_max, &instance->tsync.cpu_pid); +#endif instance->tsync.msg_handle = msg_handle; if (top_instance.clock) -- 2.25.1