Messages in this thread | | | From | Denis Vlasenko <> | Subject | Re: sched_yield() version 2.4.24 | Date | Tue, 30 Mar 2004 21:40:05 +0200 |
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On Tuesday 30 March 2004 19:52, Ben Greear wrote: > Chris Friesen wrote: > > The cpu util accounting code in kernel/timer.c hasn't changed in 2.4 > > since 2002. Must be somewhere else. > > > > Anyone else have any ideas? > > As another sample point, I have fired up about 100 processes with > each process having 10+ threads. On my dual-xeon, I see maybe 15 > processes shown as 99% CPU in 'top'. System load was near 25 > when I was looking, but the machine was still quite responsive.
There was a top bug with exactly this symptom. Fixed. I use procps-2.0.18.
> I'm guessing this is just an artifact of having lots of processes running > very often and top is just not able to calculate with fine enough > granularity? > > This is on 2.4.25 kernel. > > Ben -- vda
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