hm, you could use dtrace to find what's calling that function and print out the call stack? -adrian On 5 April 2017 at 02:32, Johannes Lundberg <johalun0_at_gmail.com> wrote: > 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 >>>> >> _______________________________________________ >>>> >> freebsd-current_at_freebsd.org mailing list >>>> >> https://lists.freebsd.org/mailman/listinfo/freebsd-current >>>> >> To unsubscribe, send any mail to >>>> >> "freebsd-current-unsubscribe_at_freebsd.org" >> >> >Received on Wed Apr 05 2017 - 15:39:52 UTC
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