Re: increased power consumption lately?

From: Johannes Lundberg <johalun0_at_gmail.com>
Date: Wed, 5 Apr 2017 11:32:02 +0200
Is there an easy way to do that with existing tools or do I need to add
debug printing to the code?


On Tue, Apr 4, 2017 at 9:39 PM, Adrian Chadd <adrian_at_freebsd.org> wrote:

> hiya,
>
> looks like yeah, you're going to have to do a bit more debugging. Can you
> see what args are being passed to AcpiNsLookup() ?
>
>
>
> -adrian
>
>
> On 3 April 2017 at 03:24, Johannes Lundberg <johalun0_at_gmail.com> wrote:
>
>> Hi Adrian
>>
>> The three threads are kernel(acpi_task_{0-2}) and they use ~30% each so
>> total 100% of one core.
>>
>> Machine is 2013 MBP
>>
>> pmcstat screenshot attached.
>>
>>
>> On Thu, 30 Mar 2017 at 21:16, Adrian Chadd <adrian_at_freebsd.org> wrote:
>>
>>> I don't /think/ so - which thread is it on your end? Can you run
>>> pmcstat -S instructions -T to see what's taking your CPU?
>>>
>>>
>>>
>>> -adrian
>>>
>>>
>>> On 28 March 2017 at 13:36, Johannes Lundberg <johalun0_at_gmail.com> wrote:
>>> > Hi
>>> >
>>> > Personally I got some acpi-something kernel thread at 100% CPU constant
>>> > usage. Need to lock CPU freq at lower value otherwise it runs with
>>> > turboboost all the time.
>>> >
>>> > Could it be the same for you?
>>> >
>>> > On Tue, 28 Mar 2017 at 20:58, Adrian Chadd <adrian_at_freebsd.org> wrote:
>>> >>
>>> >> hiya,
>>> >>
>>> >> I've noticed that my battery life on my haswell laptop (T540p) seems
>>> >> to have taken a nosedive lately. I could've /sworn/ it was getting
>>> >> better than 15-16W at idle.
>>> >>
>>> >> Has anyone noticed any massive decrease in battery life lately?
>>> >>
>>> >>
>>> >>
>>> >> -adrian
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>>
>
Received on Wed Apr 05 2017 - 07:32:05 UTC

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