Re: [REGRESSION] Re: [PATCH 00/24] Complete EEVDF
From: Peter Zijlstra
Date: Mon Jan 13 2025 - 06:07:15 EST
On Sun, Jan 12, 2025 at 03:14:17PM -0800, Doug Smythies wrote:
> The test I have been running to create some of the graphs I have been
> attaching is a little different, using turbostat with different options:
>
> turbostat --quiet --Summary --show Busy%,Bzy_MHz,IRQ,PkgWatt,PkgTmp,TSC_MHz,Time_Of_Day_Seconds --interval 1
>
> And with this test I get intervals over 1 second by over 10 milliseconds.
> First the b12 kernel (the last good one in the kernel bisection):
>
> Time Occurrences
> 1.000000, 3282
> 1.001000, 1826
> 1.002000, 227
> 1.003000, 1852
> 1.004000, 1036
> 1.005000, 731
> 1.006000, 75
> 1.007000, 30
> 1.008000, 9
> 1.009000, 2
> 1.010000, 1
> 1.011000, 1
You're creating these Time values from the consecutive
Time_Of_Day_Seconds data using a script? Let me go check the turbostat
code to see if my hackery is still invoked, even if not displayed.