Re: [9front] Understanding milli-CPUs (/dev/sysstat)

[Benjamin Riefenstahl <b.riefenstahl@turtle-trading.net>]

Anthony Martin writes:
> /sys/src/9/port/proc.c:/^accounttime
> [...]
> 	 * ticks to go to zero.  so using HZ means this is
> 	 * approximately the load over the last second,
> 	 * with a tail lasting about 5 seconds.

So we should interprete the load as approximately the average number of
waiting processes over the last second, but with a smoothed curve over
approximately 5 seconds.  Right?

>	load = ((uvlong)load*(HZ-1)+n)/HZ;

That's the formula for what we call the "moving average" these days, I
think.  HZ is the number of ticks per second, so the time span is one
second here.

so long, benny