[TEST/REVIEW] CPU accounting patches
Alexander Leidinger
Alexander at Leidinger.net
Wed Jan 25 05:30:31 PST 2006
Poul-Henning Kamp <phk at phk.freebsd.dk> wrote:
> In message <20060125110927.dabpg50ls8o8gg4k at netchild.homeip.net>,
> Alexander Lei
> dinger writes:
>
>> Are you going to fix those issues for machines which do power saving tricks
>> (which may even be useful on servers for some people, not only on laptops),
>> or do you not intend to further work on this besides the patches you present
>> here?
>
> My plan is to add some code to measure and record the maximum "cpu_tick"
> frequency we see, and use that to normalize the cpu accounting.
>
> That way, the user/system time reported will get units of "cpu seconds
> if the cpu ran full speed".
How large do you expect the error will be?
Bye,
Alexander.
--
http://www.Leidinger.net Alexander @ Leidinger.net: PGP ID = B0063FE7
http://www.FreeBSD.org netchild @ FreeBSD.org : PGP ID = 72077137
Eternity is a terrible thought. I mean, where's it going to end?
-- Tom Stoppard
_______________________________________________
freebsd-current at freebsd.org mailing list
http://lists.freebsd.org/mailman/listinfo/freebsd-current
To unsubscribe, send any mail to "freebsd-current-unsubscribe at freebsd.org"
More information about the freebsd-arch
mailing list