From mboxrd@z Thu Jan 1 00:00:00 1970 From: Jisheng Zhang Subject: regression caused by 08f511fd41c3 ("cpufreq: Reduce cpufreq_update_util() overhead a bit") Date: Fri, 17 Jun 2016 16:30:23 +0800 Message-ID: <20160617163023.5bb374f8@xhacker> Mime-Version: 1.0 Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit Return-path: Received: from mx0a-0016f401.pphosted.com ([67.231.148.174]:23591 "EHLO mx0a-0016f401.pphosted.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753171AbcFQIe0 (ORCPT ); Fri, 17 Jun 2016 04:34:26 -0400 Sender: linux-pm-owner@vger.kernel.org List-Id: linux-pm@vger.kernel.org To: rjw@rjwysocki.net, viresh.kumar@linaro.org, linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org Dear all, I found one regression: In an idle system, wakeups/s (reported by powertop) is increased a lot, e.g on a intel snb 4 core platform, the wakeup event number is increased from 8 wakeups/s to 24 wakeup/s. bisect points to this commit. I could send detailed bisect log if it's wanted. Thanks, Jisheng