RE: Skylake (XPS 13 9350) TSC is way off

From: Brown, Len
Date: Wed Dec 02 2015 - 17:53:13 EST


+adrian

> [ 0.000000] tsc: PIT calibration matches HPET. 2 loops
> [ 0.000000] tsc: Detected 2399.975 MHz processor
> [ 0.090897] TSC deadline timer enabled
> [ 1.960034] tsc: Refined TSC clocksource calibration: 2400.007 MHz
> [ 1.960039] clocksource: tsc: mask: 0xffffffffffffffff max_cycles:
> 0x22983e30402, max_idle_ns: 440795260848 ns
> [ 2.959936] clocksource: Switched to clocksource tsc
> [ 87.168211] Adjusting tsc more than 11% (5941981 vs 7759439)
>
> This is more or less Linus' latest tree (v4.4-rc3 plus some unrelated
> platform driver patches).

Hi Andy,
Thanks for the note.
I'll send you a debug version of turbostat, off list,
since the list will just block mail with that attachment.

thanks,
-Len