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List:       opensuse
Subject:    Re: [opensuse] kernel-desktop
From:       Per Jessen <per () computer ! org>
Date:       2015-10-27 10:10:20
Message-ID: n0niod$7eh$1 () saturn ! local ! net
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Basil Chupin wrote:

> On 26/10/15 18:19, Per Jessen wrote:
>> Roger Oberholtzer wrote:
>>
>>> On Mon, Oct 26, 2015 at 5:31 AM, David C. Rankin
>>> <drankinatty@suddenlinkmail.com> wrote:
>>>
>>>>
http://stackoverflow.com/questions/4956206/change-linux-kernel-timer
>>> So, is CONFIG_HIGH_RES_TIMERS set in Leap's kernel-default? And if
>>> so, does it mean that the various Hz settings are not relevant?
>> # zgrep TIMERS /proc/config.gz
>> CONFIG_HIGH_RES_TIMERS=y
>>
>>> OTOH, uname on Leap lists PREEMPT. So maybe the low latency RT
>>> timers are enabled? Even my ancient 12.3 -desktop kernel lists
>>> PREEMPT.
>> # zgrep PREEMP /proc/config.gz
>> CONFIG_PREEMPT_RCU=y
>> CONFIG_PREEMPT_NOTIFIERS=y
>> # CONFIG_PREEMPT_NONE is not set
>> # CONFIG_PREEMPT_VOLUNTARY is not set
>> CONFIG_PREEMPT=y
>> CONFIG_PREEMPT_COUNT=y
>> # CONFIG_DEBUG_PREEMPT is not set
>> # CONFIG_PREEMPT_TRACER is not set
>>
>>
>> The -default kernel didn't used to have PREEMPT, but it was enabled
>> in kernel-default for Leap.
> 
> Could you please give the version of the '-default kernel' you state
> that didn't have 'PREEMPT' set?

Sure:
3.7.10-1.45-default in openSUSE 12.3 for instance. 
3.16.7-21-default in openSUSE 13.2 for instance. 


-- 
Per Jessen, Zürich (9.9 °C)
http://www.dns24.ch/ - your free DNS host, made in Switzerland.

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