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Date:      Tue, 5 Nov 2013 18:25:45 +0100
From:      Oliver Pinter <oliver.pntr@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        Davide Italiano <davide@freebsd.org>, Alexander Motin <mav@freebsd.org>, FreeBSD Stable Mailing List <freebsd-stable@freebsd.org>, "current@freebsd.org" <current@freebsd.org>
Subject:   Re: [10-STABLE, 11-CURRENT] something wrong between cam and eventtimer or geom and eventtimer
Message-ID:  <CAPjTQNHi_7vLZvGzA_ad_M8e_X_n-EuLzA8dGsX9t9XP8VdwjA@mail.gmail.com>
In-Reply-To: <CAJ-Vmokx6iLcNqjPzVB%2BHxsQxN4NaLkV1%2BEGREOsW7SyjqFNcw@mail.gmail.com>
References:  <CAPjTQNF5Q=sPaTSpjnwpVOjiM9e70T0ve-GQ71Sv0zHx_Az7dg@mail.gmail.com> <CAJ-Vmokx6iLcNqjPzVB%2BHxsQxN4NaLkV1%2BEGREOsW7SyjqFNcw@mail.gmail.com>

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op@perpetua ~> sysctl dev.cpu
dev.cpu.0.%desc: ACPI CPU
dev.cpu.0.%driver: cpu
dev.cpu.0.%location: handle=\_PR_.CPU0
dev.cpu.0.%pnpinfo: _HID=none _UID=0
dev.cpu.0.%parent: acpi0
dev.cpu.0.coretemp.delta: 59
dev.cpu.0.coretemp.resolution: 1
dev.cpu.0.coretemp.tjmax: 100.0C
dev.cpu.0.coretemp.throttle_log: 0
dev.cpu.0.temperature: 41.0C
dev.cpu.0.freq_levels: 3401/84000 3400/84000 3200/77169 3000/70587
2800/64262 2700/61182 2500/55201 2300/49464 2100/43946 1900/38654
1700/34277 1500/29407 1400/27053 1225/23671 1200/22509 1050/19695
1000/18167 875/15896 800/14031 700/12277 600/10523 500/8769 400/7015
300/5261 200/3507 100/1753
dev.cpu.0.cx_supported: C1/1/1 C2/2/67
dev.cpu.0.cx_lowest: C1
dev.cpu.0.cx_usage: 100.00% 0.00% last 812us
dev.cpu.1.%desc: ACPI CPU
dev.cpu.1.%driver: cpu
dev.cpu.1.%location: handle=\_PR_.CPU1
dev.cpu.1.%pnpinfo: _HID=none _UID=0
dev.cpu.1.%parent: acpi0
dev.cpu.1.coretemp.delta: 56
dev.cpu.1.coretemp.resolution: 1
dev.cpu.1.coretemp.tjmax: 100.0C
dev.cpu.1.coretemp.throttle_log: 0
dev.cpu.1.temperature: 44.0C
dev.cpu.1.cx_supported: C1/1/1 C2/2/67
dev.cpu.1.cx_lowest: C1
dev.cpu.1.cx_usage: 100.00% 0.00% last 1348us
dev.cpu.2.%desc: ACPI CPU
dev.cpu.2.%driver: cpu
dev.cpu.2.%location: handle=\_PR_.CPU2
dev.cpu.2.%pnpinfo: _HID=none _UID=0
dev.cpu.2.%parent: acpi0
dev.cpu.2.coretemp.delta: 61
dev.cpu.2.coretemp.resolution: 1
dev.cpu.2.coretemp.tjmax: 100.0C
dev.cpu.2.coretemp.throttle_log: 0
dev.cpu.2.temperature: 39.0C
dev.cpu.2.cx_supported: C1/1/1 C2/2/67
dev.cpu.2.cx_lowest: C1
dev.cpu.2.cx_usage: 100.00% 0.00% last 845us
dev.cpu.3.%desc: ACPI CPU
dev.cpu.3.%driver: cpu
dev.cpu.3.%location: handle=\_PR_.CPU3
dev.cpu.3.%pnpinfo: _HID=none _UID=0
dev.cpu.3.%parent: acpi0
dev.cpu.3.coretemp.delta: 62
dev.cpu.3.coretemp.resolution: 1
dev.cpu.3.coretemp.tjmax: 100.0C
dev.cpu.3.coretemp.throttle_log: 0
dev.cpu.3.temperature: 38.0C
dev.cpu.3.cx_supported: C1/1/1 C2/2/67
dev.cpu.3.cx_lowest: C1
dev.cpu.3.cx_usage: 100.00% 0.00% last 1609us

On 11/5/13, Adrian Chadd <adrian@freebsd.org> wrote:
> Hi!
>
> Can you do 'sysctl dev.cpu' please? I'd like to see what sleep
> state(s) your CPU is entering.
>
> Thanks!
>
>
> -adrian
>
>
> On 5 November 2013 06:07, Oliver Pinter <oliver.pntr@gmail.com> wrote:
>> Hi all!
>>
>> The machine is a Haswell machine, the disc performance was very poor
>> (20-30MByte/sec).
>> When I change the kern.eventtimer.idletick from 0 to 1, the normal
>> performance restored back to normal (70-90MByte/sec).
>>
>> The default eventtimer was LAPIC.
>>
>> On other machine Q9300, this was fully reproducible.
>> _______________________________________________
>> freebsd-current@freebsd.org mailing list
>> http://lists.freebsd.org/mailman/listinfo/freebsd-current
>> To unsubscribe, send any mail to
>> "freebsd-current-unsubscribe@freebsd.org"
>



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