Date: Sun, 12 Sep 2010 20:26:07 +0900 From: Norikatsu Shigemura <nork@FreeBSD.org> To: Alexander Motin <mav@FreeBSD.org> Cc: FreeBSD-Current <freebsd-current@FreeBSD.org>, Andriy Gapon <avg@icyb.net.ua>, nork@FreeBSD.org Subject: Re: CPU C-state storange on Panasonic TOUGH BOOK CF-R9 Message-ID: <20100912202607.07ee9f64.nork@FreeBSD.org> In-Reply-To: <4C8CB211.6020308@FreeBSD.org> References: <4C8BCAC5.5050008@root.org> <mailpost.1284277196.1767764.83548.mailing.freebsd.current@FreeBSD.cs.nctu.edu.tw> <4C8C8B64.8020907@FreeBSD.org> <20100912182625.c49d3f1d.nork@FreeBSD.org> <4C8C9F06.4090505@icyb.net.ua> <20100912190537.621e357e.nork@FreeBSD.org> <20100912190952.8c0d5726.nork@FreeBSD.org> <20100912192518.e791c191.nork@FreeBSD.org> <4C8CAC01.70004@icyb.net.ua> <4C8CAD7D.50602@FreeBSD.org> <4C8CB211.6020308@FreeBSD.org>
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Hi mav. On Sun, 12 Sep 2010 13:57:21 +0300 Alexander Motin <mav@FreeBSD.org> wrote: > BTW, have you tried to unplug power? My laptop hides C3 state when power > cord is plugged-in. Oh! You are right! I got C3 state. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Sep 12 20:14:54 pelsia kernel: ts_to_ct(1284322495.185795464) = [2010-09-12 20:14:55] Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [862354] cpu_cx_cst : acpi_cpu0: Got C2 - 205 latency Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [862355] cpu_cx_cst : acpi_cpu0: Got C3 - 245 latency Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [862936] cpu_cx_cst : acpi_cpu1: Got C2 - 205 latency Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [862936] cpu_cx_cst : acpi_cpu1: Got C3 - 245 latency Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [863524] cpu_cx_cst : acpi_cpu2: Got C2 - 205 latency Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [863524] cpu_cx_cst : acpi_cpu2: Got C3 - 245 latency Sep 12 20:19:04 pelsia power_profile: changed to 'economy' Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [864399] cpu_cx_cst : system power profile changedacpi_cpu3: Got C2 to 'economy'- 205 latency Sep 12 20:19:04 pelsia kernel: Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [864516] cpu_cx_cst : acpi_cpu3: Got C3 - 245 latency Sep 12 20:19:04 pelsia kernel: acpi_acad0: Off Line Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [872292] cpu_cx_cst : acpi_cpu0: Got C2 - 205 latency Sep 12 20:19:04 pelsia kernel: PROCESSOR-0722 [872394] cpu_cx_cst : acpi_cpu0: Got C3 - 245 latency Sep 12 20:19:05 pelsia kernel: PROCESSOR-0722 [873422] cpu_cx_cst : acpi_cpu1: Got C2 - 205 latency Sep 12 20:19:05 pelsia kernel: PROCESSOR-0722 [873422] cpu_cx_cst : acpi_cpu1: Got C3 - 245 latency Sep 12 20:19:05 pelsia kernel: PROCESSOR-0722 [874564] cpu_cx_cst : acpi_cpu2: Got C2 - 205 latency Sep 12 20:19:05 pelsia kernel: PROCESSOR-0722 [874576] cpu_cx_cst : acpi_cpu2: Got C3 - 245 latency Sep 12 20:19:05 pelsia kernel: PROCESSOR-0722 [875727] cpu_cx_cst : acpi_cpu3: Got C2 - 205 latency Sep 12 20:19:05 pelsia kernel: PROCESSOR-0722 [875727] cpu_cx_cst : acpi_cpu3: Got C3 - 245 latency Sep 12 20:19:12 pelsia kernel: PROCESSOR-0722 [889604] cpu_cx_cst : acpi_cpu0: Got C2 - 205 latency Sep 12 20:19:12 pelsia kernel: PROCESSOR-0722 [889604] cpu_cx_cst : acpi_cpu0: Got C3 - 245 latency Sep 12 20:19:13 pelsia kernel: PROCESSOR-0722 [890194] cpu_cx_cst : acpi_cpu1: Got C2 - 205 latency Sep 12 20:19:13 pelsia kernel: PROCESSOR-0722 [890194] cpu_cx_cst : acpi_cpu1: Got C3 - 245 latency Sep 12 20:19:13 pelsia kernel: PROCESSOR-0722 [890784] cpu_cx_cst : acpi_cpu2: Got C2 - 205 latency Sep 12 20:19:13 pelsia kernel: PROCESSOR-0722 [890784] cpu_cx_cst : acpi_cpu2: Got C3 - 245 latency Sep 12 20:19:13 pelsia kernel: PROCESSOR-0722 [891441] cpu_cx_cst : acpi_cpu3: Got C2 - 205 latency Sep 12 20:19:13 pelsia kernel: PROCESSOR-0722 [891441] cpu_cx_cst : acpi_cpu3: Got C3 - 245 latency Sep 12 20:20:43 pelsia kernel: PROCESSOR-0722 [1083168] cpu_cx_cst : acpi_cpu0: Got C2 - 205 latency Sep 12 20:20:43 pelsia kernel: PROCESSOR-0722 [1083197] cpu_cx_cst : acpi_cpu0: Got C3 - 245 latency Sep 12 20:20:43 pelsia kernel: PROCESSOR-0722 [1084498] cpu_cx_cst : acpi_cpu1: Got C2 - 205 latency Sep 12 20:20:43 pelsia kernel: PROCESSOR-0722 [1084498] cpu_cx_cst : acpi_cpu1: Got C3 - 245 latency Sep 12 20:20:43 pelsia kernel: PROCESSOR-0722 [1085468] cpu_cx_cst : acpi_cpu2: Got C2 - 205 latency Sep 12 20:20:43 pelsia kernel: PROCESSOR-0722 [1085468] cpu_cx_cst : acpi_cpu2: Got C3 - 245 latency Sep 12 20:20:44 pelsia kernel: PROCESSOR-0722 [1086504] cpu_cx_cst : acpi_cpu3: Got C2 - 205 latency Sep 12 20:20:44 pelsia kernel: PROCESSOR-0722 [1086508] cpu_cx_cst : acpi_cpu3: Got C3 - 245 latency - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # sysctl -a | grep cx hw.acpi.cpu.cx_lowest: C2 dev.cpu.0.cx_supported: C1/3 C2/205 C3/245 dev.cpu.0.cx_lowest: C2 dev.cpu.0.cx_usage: 12.48% 87.51% 0.00% last 1947us dev.cpu.1.cx_supported: C1/3 C2/205 C3/245 dev.cpu.1.cx_lowest: C2 dev.cpu.1.cx_usage: 60.83% 39.16% 0.00% last 182us dev.cpu.2.cx_supported: C1/3 C2/205 C3/245 dev.cpu.2.cx_lowest: C2 dev.cpu.2.cx_usage: 45.65% 54.34% 0.00% last 36us dev.cpu.3.cx_supported: C1/3 C2/205 C3/245 dev.cpu.3.cx_lowest: C2 dev.cpu.3.cx_usage: 6.78% 93.21% 0.00% last 8038us - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - # sysctl hw.acpi.cpu.cx_lowest=C3 && sleep 10 && sysctl dev.cpu.0.cx_usage dev.cpu.1.cx_usage dev.cpu.2.cx_usage dev.cpu.3.cx_usage hw.acpi.cpu.cx_lowest: C2 -> C3 dev.cpu.0.cx_usage: 0.73% 0.16% 99.10% last 2145us dev.cpu.1.cx_usage: 0.67% 0.22% 99.09% last 1559us dev.cpu.2.cx_usage: 0.27% 0.00% 99.72% last 13994us dev.cpu.3.cx_usage: 0.81% 0.27% 98.91% last 21592us - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Humm.. Why only C3 state appear when unplug power? :-( Thank you. -- Norikatsu Shigemura <nork@FreeBSD.org>
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