From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1750969AbaBKFn4 (ORCPT ); Tue, 11 Feb 2014 00:43:56 -0500 Received: from mout.web.de ([212.227.17.12]:57116 "EHLO mout.web.de" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750758AbaBKFnv (ORCPT ); Tue, 11 Feb 2014 00:43:51 -0500 Message-ID: <52F9B88E.3090601@web.de> Date: Tue, 11 Feb 2014 06:43:42 +0100 From: Jan Kiszka User-Agent: Mozilla/5.0 (X11; U; Linux i686 (x86_64); de; rv:1.8.1.12) Gecko/20080226 SUSE/2.0.0.12-1.1 Thunderbird/2.0.0.12 Mnenhy/0.7.5.666 MIME-Version: 1.0 To: Len Brown CC: Linux PM list , Linux Kernel Mailing List Subject: Re: [PATCH] intel_idle: Add CPU model 54 (Atom N2000 series) References: <52E42B86.1020701@web.de> In-Reply-To: X-Enigmail-Version: 1.6 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="RupKIdeTBeda7xoSPhNRoLgr7Rwv4N617" X-Provags-ID: V03:K0:r6q1uRIIVU3H7bqz0+4w0ChbuKFo0OnnxxsSDT75pFS8Gsye8Sl z1hbqHwRnhNgFAkO9UyMIi/QDRDJvHFjMaSiDMYZjAiH9DdLg2nIXbwhB1dolaJzimO3TvH BWq4t/hUcUftsDGB3tBVSgJWVk9+eqatpbinrizTuDQWiM0CPSqJyJSF67pHAVZJXK6zroR bJ9ssEQDDYLgGGJ2ISE2A== Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This is an OpenPGP/MIME signed message (RFC 4880 and 3156) --RupKIdeTBeda7xoSPhNRoLgr7Rwv4N617 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: quoted-printable On 2014-02-11 01:01, Len Brown wrote: > Please send the output of these two command before and after the patch:= >=20 > dmesg | grep idle > grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* Before: # dmesg | grep idle [ 0.648783] cpuidle: using governor ladder [ 0.648787] cpuidle: using governor menu [ 1.053215] intel_idle: does not run on family 6 model 54 [ 3.285430] ACPI: acpi_idle registered with cpuidle # grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* /sys/devices/system/cpu/cpu0/cpuidle/state0/desc:CPUIDLE CORE POLL IDLE /sys/devices/system/cpu/cpu0/cpuidle/state0/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state0/latency:0 /sys/devices/system/cpu/cpu0/cpuidle/state0/name:POLL /sys/devices/system/cpu/cpu0/cpuidle/state0/power:4294967295 /sys/devices/system/cpu/cpu0/cpuidle/state0/time:443 /sys/devices/system/cpu/cpu0/cpuidle/state0/usage:5 /sys/devices/system/cpu/cpu0/cpuidle/state1/desc:ACPI FFH INTEL MWAIT 0x0= /sys/devices/system/cpu/cpu0/cpuidle/state1/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state1/latency:1 /sys/devices/system/cpu/cpu0/cpuidle/state1/name:C1 /sys/devices/system/cpu/cpu0/cpuidle/state1/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state1/time:420944 /sys/devices/system/cpu/cpu0/cpuidle/state1/usage:1798 /sys/devices/system/cpu/cpu0/cpuidle/state2/desc:ACPI FFH INTEL MWAIT 0x1= 0 /sys/devices/system/cpu/cpu0/cpuidle/state2/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state2/latency:20 /sys/devices/system/cpu/cpu0/cpuidle/state2/name:C2 /sys/devices/system/cpu/cpu0/cpuidle/state2/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state2/time:119479360 /sys/devices/system/cpu/cpu0/cpuidle/state2/usage:32863 /sys/devices/system/cpu/cpu0/cpuidle/state3/desc:ACPI FFH INTEL MWAIT 0x3= 0 /sys/devices/system/cpu/cpu0/cpuidle/state3/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state3/latency:100 /sys/devices/system/cpu/cpu0/cpuidle/state3/name:C3 /sys/devices/system/cpu/cpu0/cpuidle/state3/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state3/time:1673 /sys/devices/system/cpu/cpu0/cpuidle/state3/usage:7 /sys/devices/system/cpu/cpu0/cpuidle/state4/desc:ACPI FFH INTEL MWAIT 0x5= 2 /sys/devices/system/cpu/cpu0/cpuidle/state4/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state4/latency:140 /sys/devices/system/cpu/cpu0/cpuidle/state4/name:C4 /sys/devices/system/cpu/cpu0/cpuidle/state4/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state4/time:125622 /sys/devices/system/cpu/cpu0/cpuidle/state4/usage:63 After: # dmesg | grep idle [ 0.244640] cpuidle: using governor ladder [ 0.244645] cpuidle: using governor menu [ 0.654351] intel_idle: MWAIT substates: 0x3020220 [ 0.654355] intel_idle: v0.4 model 0x36 [ 0.654359] intel_idle: lapic_timer_reliable_states 0xffffffff # grep . /sys/devices/system/cpu/cpu0/cpuidle/*/* /sys/devices/system/cpu/cpu0/cpuidle/state0/desc:CPUIDLE CORE POLL IDLE /sys/devices/system/cpu/cpu0/cpuidle/state0/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state0/latency:0 /sys/devices/system/cpu/cpu0/cpuidle/state0/name:POLL /sys/devices/system/cpu/cpu0/cpuidle/state0/power:4294967295 /sys/devices/system/cpu/cpu0/cpuidle/state0/time:572 /sys/devices/system/cpu/cpu0/cpuidle/state0/usage:12 /sys/devices/system/cpu/cpu0/cpuidle/state1/desc:MWAIT 0x00 /sys/devices/system/cpu/cpu0/cpuidle/state1/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state1/latency:10 /sys/devices/system/cpu/cpu0/cpuidle/state1/name:C1E-ATM /sys/devices/system/cpu/cpu0/cpuidle/state1/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state1/time:722013 /sys/devices/system/cpu/cpu0/cpuidle/state1/usage:3132 /sys/devices/system/cpu/cpu0/cpuidle/state2/desc:MWAIT 0x10 /sys/devices/system/cpu/cpu0/cpuidle/state2/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state2/latency:20 /sys/devices/system/cpu/cpu0/cpuidle/state2/name:C2-ATM /sys/devices/system/cpu/cpu0/cpuidle/state2/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state2/time:4512127 /sys/devices/system/cpu/cpu0/cpuidle/state2/usage:9147 /sys/devices/system/cpu/cpu0/cpuidle/state3/desc:MWAIT 0x30 /sys/devices/system/cpu/cpu0/cpuidle/state3/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state3/latency:100 /sys/devices/system/cpu/cpu0/cpuidle/state3/name:C4-ATM /sys/devices/system/cpu/cpu0/cpuidle/state3/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state3/time:1996954 /sys/devices/system/cpu/cpu0/cpuidle/state3/usage:2696 /sys/devices/system/cpu/cpu0/cpuidle/state4/desc:MWAIT 0x52 /sys/devices/system/cpu/cpu0/cpuidle/state4/disable:0 /sys/devices/system/cpu/cpu0/cpuidle/state4/latency:140 /sys/devices/system/cpu/cpu0/cpuidle/state4/name:C6-ATM /sys/devices/system/cpu/cpu0/cpuidle/state4/power:0 /sys/devices/system/cpu/cpu0/cpuidle/state4/time:266926331 /sys/devices/system/cpu/cpu0/cpuidle/state4/usage:73695 >=20 > How did you measure power on the the DN2800MT, and on what workload? I measured the input current of the board @12V. In both cases, the system was idle in single-user mode, practically no processes running. Jan --RupKIdeTBeda7xoSPhNRoLgr7Rwv4N617 Content-Type: application/pgp-signature; name="signature.asc" Content-Description: OpenPGP digital signature Content-Disposition: attachment; filename="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v2.0.19 (GNU/Linux) Comment: Using GnuPG with Thunderbird - http://www.enigmail.net/ iEYEARECAAYFAlL5uJQACgkQitSsb3rl5xS6YwCeKw51D05WcUX2N5hKQ6Rr/ZJs HJgAn1Hii8qWwVMV2xbZUmt2It2MPaIi =r7P5 -----END PGP SIGNATURE----- --RupKIdeTBeda7xoSPhNRoLgr7Rwv4N617--