From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from mx0a-001b2d01.pphosted.com (mx0a-001b2d01.pphosted.com [148.163.156.1]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by lists.ozlabs.org (Postfix) with ESMTPS id 3rZZfw3KVlzDqRd for ; Thu, 23 Jun 2016 05:39:36 +1000 (AEST) Received: from pps.filterd (m0098410.ppops.net [127.0.0.1]) by mx0a-001b2d01.pphosted.com (8.16.0.11/8.16.0.11) with SMTP id u5MJd8m7092867 for ; Wed, 22 Jun 2016 15:39:34 -0400 Received: from e28smtp07.in.ibm.com (e28smtp07.in.ibm.com [125.16.236.7]) by mx0a-001b2d01.pphosted.com with ESMTP id 23q6qndsh1-1 (version=TLSv1.2 cipher=AES256-SHA bits=256 verify=NOT) for ; Wed, 22 Jun 2016 15:39:34 -0400 Received: from localhost by e28smtp07.in.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Thu, 23 Jun 2016 01:09:31 +0530 Received: from d28relay01.in.ibm.com (d28relay01.in.ibm.com [9.184.220.58]) by d28dlp01.in.ibm.com (Postfix) with ESMTP id 610EBE0040 for ; Thu, 23 Jun 2016 01:13:12 +0530 (IST) Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay01.in.ibm.com (8.14.9/8.14.9/NCO v10.0) with ESMTP id u5MJdSg658130598 for ; Thu, 23 Jun 2016 01:09:28 +0530 Received: from d28av01.in.ibm.com (localhost [127.0.0.1]) by d28av01.in.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id u5MJdOoE028772 for ; Thu, 23 Jun 2016 01:09:27 +0530 Date: Thu, 23 Jun 2016 01:09:11 +0530 From: Shreyas B Prabhu MIME-Version: 1.0 To: Anton Blanchard , ego@linux.vnet.ibm.com, mpe@ellerman.id.au, mikey@neuling.org, Paul Mackerras , Benjamin Herrenschmidt CC: linuxppc-dev@lists.ozlabs.org Subject: Re: cpuidle broken on mainline References: <20160623011655.62c610bd@kryten> In-Reply-To: <20160623011655.62c610bd@kryten> Content-Type: text/plain; charset=windows-1252 Message-Id: <576AE95F.6050109@linux.vnet.ibm.com> List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Hi, On 06/22/2016 08:46 PM, Anton Blanchard wrote: > Hi, > > I was noticing some pretty big run to run variations on single threaded > benchmarks, and I've isolated it cpuidle issues. If I look at > the cpuidle tracepoint, I notice we only go into the snooze state. > > Do we have any known bugs in cpuidle at the moment? > I've posted a fix here- https://lists.ozlabs.org/pipermail/linuxppc-dev/2016-June/144726.html Thanks, Shreyas