From mboxrd@z Thu Jan 1 00:00:00 1970 From: Harald Servat Subject: perf message in dmesg Date: Thu, 16 Apr 2015 10:02:08 +0200 Message-ID: <552F6C80.2000005@bsc.es> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: Received: from mao.bsc.es ([84.88.52.34]:45978 "EHLO opsmail01.bsc.es" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1757020AbbDPIMF (ORCPT ); Thu, 16 Apr 2015 04:12:05 -0400 Received: from localhost (localhost [127.0.0.1]) by opsmail01.bsc.es (Postfix) with ESMTP id EF347DE7C3 for ; Thu, 16 Apr 2015 10:02:09 +0200 (CEST) Received: from opsmail01.bsc.es ([127.0.0.1]) by localhost (opswc01.bsc.es [127.0.0.1]) (amavisd-new, port 10024) with ESMTP id 03665-02 for ; Thu, 16 Apr 2015 10:02:09 +0200 (CEST) Received: from opswc01.bsc.es (localhost [127.0.0.1]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by opsmail01.bsc.es (Postfix) with ESMTPS id 94C31DED19 for ; Thu, 16 Apr 2015 10:02:09 +0200 (CEST) Received: (from filter@localhost) by opswc01.bsc.es (8.13.6/8.13.6/Submit) id t3G829Nr004677 for linux-perf-users@vger.kernel.org; Thu, 16 Apr 2015 10:02:09 +0200 Received: from [84.88.51.110] (bsccs203.int.bsc.es [84.88.51.110]) (using TLSv1 with cipher DHE-RSA-AES128-SHA (128/128 bits)) (No client certificate requested) by opsmail01.bsc.es (Postfix) with ESMTPSA id 6623FF93E8 for ; Thu, 16 Apr 2015 10:02:09 +0200 (CEST) Sender: linux-perf-users-owner@vger.kernel.org List-ID: To: "linux-perf-users@vger.kernel.org" Hello, I've been using the perf mem record command recently, and I've just noticed this message in the dmesg? What does it mean? [ 157.538495] perf samples too long (2504 > 2500), lowering kernel.perf_event_max_sample_rate to 50000 Thank you very much in advance WARNING / LEGAL TEXT: This message is intended only for the use of the individual or entity to which it is addressed and may contain information which is privileged, confidential, proprietary, or exempt from disclosure under applicable law. If you are not the intended recipient or the person responsible for delivering the message to the intended recipient, you are strictly prohibited from disclosing, distributing, copying, or in any way using this message. If you have received this communication in error, please notify the sender and destroy and delete any copies you may have received. http://www.bsc.es/disclaimer