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 5C42DC2BA12 for ; Wed, 1 Apr 2020 16:48:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 00C4A20714 for ; Wed, 1 Apr 2020 16:48:59 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=gmail.com header.i=@gmail.com header.b="OtQxXQao" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1732467AbgDAQs6 (ORCPT ); Wed, 1 Apr 2020 12:48:58 -0400 Received: from mail-lj1-f194.google.com ([209.85.208.194]:43424 "EHLO mail-lj1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2389437AbgDAQpD (ORCPT ); Wed, 1 Apr 2020 12:45:03 -0400 Received: by mail-lj1-f194.google.com with SMTP id g27so133821ljn.10 for ; Wed, 01 Apr 2020 09:45:01 -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=OtQxXQao3uYBJB8kCWgy7IXW6e3s78Ajq/vH3rP4ATe2sni58p+jiZviTg87TU5Mc7 +k5GKsxp+xtyhFBLLifZjge+sPXURaLc8IlMxaz59Eji7ZlwNhxW/R/Eg3gelbeN8/rF g94Ujy/7x8EDbePEDUX6fchGKhBEJcfuj400xPOsR63UrhUqi+htmncBxar7OC7GVc6g 2GcbiR/TfQdoqKFnsAp4nY9oN5P/+Vsz4977Rv5g0Rqz4Ty5pCrdUaFZroGiWYLgYpvE pTAVNTPM0Qo94BQmvnsLkxWAYYqjRgzy+9E528Sva+hW6ZZv6FbwPHFqRsq1v3vjEi9p x5kg== 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=jI9tzSkalvmavwhITZ2qeDSa5Fag8bv73iIoWPaBlqWsHaxLdnu8RULh+DlzaQs8pf 00ujhFMbcstgE62L0LkO39Kr1mNXIDQ9XN+3zqZR65VMec+UYomW6HMlOXRJwk37k2C8 M3lgcHNKsBgft9I4+HC+v7i+YmNzJ5blrNJEVmkRLcEne3QZiIkC8FIttRqrmE4D6wJc 5WZ7B2SCWjJnn+yQOmbQ76rjclbiihWTLo8qg9bOEPv14kciNfsay6wJtafi0KpKqMB6 O5eWoXoSAnXEILJBq5uiUOIY5260hdszfmhLCKw8L36EaTPnT2bN6Br2fTNpRcl7p/r+ tQ0g== X-Gm-Message-State: AGi0Pua38D5ut7+cups374Vxknrlas+wactjptskKUFeLEBl888RZ7qv Wu14iNNZ3BO/1uD5tIgMp2oPxMPPZzE= X-Google-Smtp-Source: APiQypJuQn16QLx0wIq4zoBPYymrZ0G51AWcrh6Kwum4m7jlsvdc9abQJrSzZoyCL1cCOVkewpFaTw== X-Received: by 2002:a2e:3203:: with SMTP id y3mr10929704ljy.54.1585759501024; Wed, 01 Apr 2020 09:45:01 -0700 (PDT) Received: from oberon.zico.biz ([83.222.187.186]) by smtp.gmail.com with ESMTPSA id e4sm1982499lfn.80.2020.04.01.09.44.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Apr 2020 09:45:00 -0700 (PDT) From: "Tzvetomir Stoyanov (VMware)" To: rostedt@goodmis.org Cc: linux-trace-devel@vger.kernel.org Subject: [PATCH v2 4/5] trace-cmd: Add a define to enable per CPU timestamps synchronization Date: Wed, 1 Apr 2020 19:44:50 +0300 Message-Id: <20200401164451.191425-5-tz.stoyanov@gmail.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20200401164451.191425-1-tz.stoyanov@gmail.com> References: <20200401164451.191425-1-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