From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from e28smtp05.in.ibm.com (e28smtp05.in.ibm.com [59.145.155.5]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client CN "e28smtp05.in.ibm.com", Issuer "Equifax" (verified OK)) by ozlabs.org (Postfix) with ESMTPS id 61313B7BC1 for ; Sat, 26 Sep 2009 03:09:09 +1000 (EST) Received: from d28relay03.in.ibm.com (d28relay03.in.ibm.com [9.184.220.60]) by e28smtp05.in.ibm.com (8.14.3/8.13.1) with ESMTP id n8PH93aO022613 for ; Fri, 25 Sep 2009 22:39:03 +0530 Received: from d28av01.in.ibm.com (d28av01.in.ibm.com [9.184.220.63]) by d28relay03.in.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n8PH93wR2617428 for ; Fri, 25 Sep 2009 22:39:03 +0530 Received: from d28av01.in.ibm.com (loopback [127.0.0.1]) by d28av01.in.ibm.com (8.14.3/8.13.1/NCO v10.0 AVout) with ESMTP id n8PH92RI014788 for ; Fri, 25 Sep 2009 22:39:03 +0530 Date: Fri, 25 Sep 2009 22:38:51 +0530 From: Arun R Bharadwaj To: Peter Zijlstra , Joel Schopp , Benjamin Herrenschmidt , Paul Mackerras , Ingo Molnar , Vaidyanathan Srinivasan , Dipankar Sarma , Balbir Singh , Gautham R Shenoy , Shaohua Li , Venkatesh Pallipadi , Arun Bharadwaj Subject: Re: [v6 PATCH 0/7]: cpuidle/x86/POWER: Cleanup idle power management code in x86, cleanup drivers/cpuidle/cpuidle.c and introduce cpuidle to POWER. Message-ID: <20090925170851.GA28191@linux.vnet.ibm.com> References: <20090922112526.GA7788@linux.vnet.ibm.com> MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 In-Reply-To: <20090922112526.GA7788@linux.vnet.ibm.com> Cc: linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org Reply-To: arun@linux.vnet.ibm.com List-Id: Linux on PowerPC Developers Mail List List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , * Arun R Bharadwaj [2009-09-22 16:55:27]: Hi, I have done the following experiments and have posted the results below. Average of 5 iterations: ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Kernbench make -j16 results on a 16 core x86 machine _with_deep_sleep_ support (C1,C2,C3) Without the patches applied With the patches applied 31.8s 30.4s ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Kernbench make -j8 results on a 8 core x86 machine _without_deep_sleep_ support (only mwait) Without the patches applied With the patches applied 20.2s 20.4s ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Kernbench make -j8 results on a 8 core _dedicated_lpar_pSeries_ machine Without the patches applied With the patches applied 4m, 37s 4m, 36s ------------------------------------------------------------------------------ ------------------------------------------------------------------------------ Please let me know if any other kind of testing is necessary. Based on the feedback, I will post out the next iteration with a few minor bug fixes. thanks, arun