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Date:      Thu, 30 Mar 2017 12:16:35 -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=PqTEBLKgCh%2BuH1UHzt5YWdD11f46j4vuZ6cLZbaVjAQ@mail.gmail.com>
In-Reply-To: <CAECmPwuRQQZkZ1qJBAkaGTH8erX8b=evpTFiA7qCQR4DOfhQzw@mail.gmail.com>
References:  <CAJ-VmomW0=8Zj=o7NRadefYyrWepTG=r4xh80fQKUT3JiUd8Vg@mail.gmail.com> <CAECmPwuRQQZkZ1qJBAkaGTH8erX8b=evpTFiA7qCQR4DOfhQzw@mail.gmail.com>

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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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