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 AA2ECC2BA16 for ; Thu, 2 Apr 2020 10:58:42 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 7F31620658 for ; Thu, 2 Apr 2020 10:58:42 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="JYZIxEPH" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2387476AbgDBK6m (ORCPT ); Thu, 2 Apr 2020 06:58:42 -0400 Received: from mail-lf1-f68.google.com ([209.85.167.68]:41758 "EHLO mail-lf1-f68.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728803AbgDBK6m (ORCPT ); Thu, 2 Apr 2020 06:58:42 -0400 Received: by mail-lf1-f68.google.com with SMTP id z23so2322538lfh.8 for ; Thu, 02 Apr 2020 03:58:40 -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=JYZIxEPHI7FHYXRaCpgIBFrvVZqzWinadL1CcqsRRs2ovY5rVN9OPJSmkUSJ+zMKpi x6CQVmL4/lQetvjgWetP16UmkP+VnBGuwM/K9lkPRJN1oDBIgBVgXJF3q0v3iNLKvT3o lu/kBoSSKPUzcN9eV4S9u9WKz+WAelxmoV1N2EeQeA2C6TRIe/yOVwfMOC7nooCXcKfT wXOexZBKO0RwB2qttlFye5eZUIRnxOumeEdWdcZEC6F39YEAyy8fvigYIpGKTNmZ2I8+ 4Ad5nDp01GUes8W0umrC6+4RjSxk1EQx6sku+xbe0IPlQogh1qcTyob3jldJ2tAvObmS p9jg== 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=oAOBmHqxx/BXt6P9mOycqr/62m/c7TXWC8ZL4PP/fQiqvV3GiQmfdN8RM/1qnn8MOi WI+G7tddD83tViJUmVEiQgEil5sxqPUgpt1ayUpf8ZiZlGlT07mGASKc1IBKR+65/O8F a30J95PWBHWOiGGIWPQ3s6UWKi9s6zLp5l2fTziRv4phMRKLuwI/AdKMG09rXHTziibZ 6Hmnp6Q3y/Zqx/tZGEjZx4nqUPav3z0uZyNqstxe3HYVrOTQStJP/W8AbZgtx0pok+xe sBwQGugw6sOaiuBlmlf8iMoepdyT2AGHp5KQ8yQk/sG8zvqSR72wv1Jvd5Pab0ihD8JS lOxg== X-Gm-Message-State: AGi0PuabTGNWOpi7+uFYYPDIHI2dd2MGWLNhlIkkm/+GE3SI5TsQDqXr Y4955tdxVSPw3vMpifRoO78= X-Google-Smtp-Source: APiQypL//P6Fisbb/BE/9P7ojdirdj+eq+kYxukui5HY2bQZki+AkPJ5JJCI9nRWduYdfqmZwxcyww== X-Received: by 2002:ac2:5183:: with SMTP id u3mr1844139lfi.26.1585825119663; Thu, 02 Apr 2020 03:58:39 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id c2sm3779803lfb.43.2020.04.02.03.58.38 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 02 Apr 2020 03:58:39 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v3 4/5] trace-cmd: Add a define to enable per CPU timestamps synchronization Date: Thu, 2 Apr 2020 13:58:30 +0300 Message-Id: <20200402105831.263753-5-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200402105831.263753-1-tz.stoyanov@gmail.com> References: <20200402105831.263753-1-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