Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1760502AbaGOXg2 (ORCPT ); Tue, 15 Jul 2014 19:36:28 -0400 Received: from mail.linuxfoundation.org ([140.211.169.12]:45024 "EHLO mail.linuxfoundation.org" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S933991AbaGOXON (ORCPT ); Tue, 15 Jul 2014 19:14:13 -0400 From: Greg Kroah-Hartman To: linux-kernel@vger.kernel.org Cc: Greg Kroah-Hartman , stable@vger.kernel.org, Dirk Brandewie , "Rafael J. Wysocki" Subject: [PATCH 3.15 46/84] intel_pstate: Update documentation of {max,min}_perf_pct sysfs files Date: Tue, 15 Jul 2014 16:17:43 -0700 Message-Id: <20140715231714.594912975@linuxfoundation.org> X-Mailer: git-send-email 2.0.0.254.g50f84e3 In-Reply-To: <20140715231713.193785557@linuxfoundation.org> References: <20140715231713.193785557@linuxfoundation.org> User-Agent: quilt/0.63-1 MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org 3.15-stable review patch. If anyone has any objections, please let me know. ------------------ From: Dirk Brandewie commit 41629a8233470325bfbb60377f555f9e8acc879f upstream. Update documentation to make the interpretation of the values clearer Link: https://bugzilla.kernel.org/show_bug.cgi?id=64251 Signed-off-by: Dirk Brandewie Signed-off-by: Rafael J. Wysocki Signed-off-by: Greg Kroah-Hartman --- Documentation/cpu-freq/intel-pstate.txt | 7 +++++-- 1 file changed, 5 insertions(+), 2 deletions(-) --- a/Documentation/cpu-freq/intel-pstate.txt +++ b/Documentation/cpu-freq/intel-pstate.txt @@ -15,10 +15,13 @@ New sysfs files for controlling P state /sys/devices/system/cpu/intel_pstate/ max_perf_pct: limits the maximum P state that will be requested by - the driver stated as a percentage of the available performance. + the driver stated as a percentage of the available performance. The + available (P states) performance may be reduced by the no_turbo + setting described below. min_perf_pct: limits the minimum P state that will be requested by - the driver stated as a percentage of the available performance. + the driver stated as a percentage of the max (non-turbo) + performance level. no_turbo: limits the driver to selecting P states below the turbo frequency range. -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/