Date: Tue, 4 Apr 2017 12:39:37 -0700 From: Adrian Chadd <adrian@freebsd.org> To: Johannes Lundberg <johalun0@gmail.com> Cc: freebsd-current <freebsd-current@freebsd.org> Subject: Re: increased power consumption lately? Message-ID: <CAJ-Vmo=O9Lviq2%2BC0Z%2BWCTAE=dHG01N7p8a%2BJicw8vhChjV2Ag@mail.gmail.com> In-Reply-To: <CAECmPwtrS5h1AhW1uLgW=sFam8wwo0hb3RFNBYOepFRoON8Dbw@mail.gmail.com> References: <CAJ-VmomW0=8Zj=o7NRadefYyrWepTG=r4xh80fQKUT3JiUd8Vg@mail.gmail.com> <CAECmPwuRQQZkZ1qJBAkaGTH8erX8b=evpTFiA7qCQR4DOfhQzw@mail.gmail.com> <CAJ-Vmo=PqTEBLKgCh%2BuH1UHzt5YWdD11f46j4vuZ6cLZbaVjAQ@mail.gmail.com> <CAECmPwtrS5h1AhW1uLgW=sFam8wwo0hb3RFNBYOepFRoON8Dbw@mail.gmail.com>
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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@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@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@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@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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>
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