Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754111AbcDIQjk (ORCPT ); Sat, 9 Apr 2016 12:39:40 -0400 Received: from mail-wm0-f43.google.com ([74.125.82.43]:37338 "EHLO mail-wm0-f43.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1753156AbcDIQjj (ORCPT ); Sat, 9 Apr 2016 12:39:39 -0400 Message-ID: <1460219974.3700.39.camel@gmail.com> Subject: Re: [regression] cross core scheduling frequency drop bisected to 0c313cb20732 From: Mike Galbraith To: "Rafael J. Wysocki" Cc: "Rafael J. Wysocki" , Peter Zijlstra , "Rafael J. Wysocki" , LKML , Linux PM list , Doug Smythies , Rik van Riel Date: Sat, 09 Apr 2016 18:39:34 +0200 In-Reply-To: <1460214622.3714.8.camel@gmail.com> References: <1460092854.4051.1.camel@gmail.com> <20160408064510.GK3448@twins.programming.kicks-ass.net> <1460098254.5582.17.camel@gmail.com> <2428384.mEkP3EOpsR@vostro.rjw.lan> <1460184056.3765.160.camel@gmail.com> <1460214622.3714.8.camel@gmail.com> Content-Type: text/plain; charset="UTF-8" X-Mailer: Evolution 3.16.5 Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 236 Lines: 10 Hm, setting gov=performance, and taking the average of 3 30 second interval PkgWatt samples as pipe-test runs.. 714KHz/28.03Ws = 25.46 877KHz/30.28Ws = 28.96 ..for pipe-test, the tradeoff look a bit more like red than green. -Mike