John Baldwin wrote: > On Monday, December 07, 2015 06:01:08 PM Rick Macklem wrote: > > Adrian Chadd wrote: > > > Hi, > > > > > > ok. please file a bug for that. It may be something to do with the > > > hardware and sleep states and skipping wakeups/interrupts or > > > something. > > > > > > Please try using the default again (LAPIC?) and set > > > kern.eventtimer.periodic=1. See if that fixes it. > > > > > Actually made it worse. Instead of being intermittently slow, it was > > almost constantly slow. > > Try disabling C-states if they are enabled. If you have a BIOS option > for C1E you might need to disable that as well. If this fixes it, then > there isn't a really viable solution in software, and you might prefer > to use the RTC to get the power savings from C-states. > Oh, I do see stuff like: hw.acpi.cpu.cx_lowest: C2 and dev.cpu.0.cx_supported: C1/1/1 C2/2/1 C3/3/85 Is there a sysctl to disable "C states"? Thanks, rick ps: Like I said, I don't care, but maybe Adrian would like me to try settings? > -- > John Baldwin > _______________________________________________ > 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 Tue Dec 08 2015 - 19:59:51 UTC
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