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Date:      Mon, 03 Apr 2017 10:24:46 +0000
From:      Johannes Lundberg <johalun0@gmail.com>
To:        Adrian Chadd <adrian@freebsd.org>
Cc:        freebsd-current <freebsd-current@freebsd.org>
Subject:   Re: increased power consumption lately?
Message-ID:  <CAECmPwtrS5h1AhW1uLgW=sFam8wwo0hb3RFNBYOepFRoON8Dbw@mail.gmail.com>
In-Reply-To: <CAJ-Vmo=PqTEBLKgCh%2BuH1UHzt5YWdD11f46j4vuZ6cLZbaVjAQ@mail.gmail.com>
References:  <CAJ-VmomW0=8Zj=o7NRadefYyrWepTG=r4xh80fQKUT3JiUd8Vg@mail.gmail.com> <CAECmPwuRQQZkZ1qJBAkaGTH8erX8b=evpTFiA7qCQR4DOfhQzw@mail.gmail.com> <CAJ-Vmo=PqTEBLKgCh%2BuH1UHzt5YWdD11f46j4vuZ6cLZbaVjAQ@mail.gmail.com>

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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
> >> _______________________________________________
> >> freebsd-current@freebsd.org mailing list
> >> https://lists.freebsd.org/mailman/listinfo/freebsd-current
> >> To unsubscribe, send any mail to "
> freebsd-current-unsubscribe@freebsd.org"
>



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