Messages in this thread | | | Date | Sun, 14 Nov 2004 13:49:32 +0100 | From | Ingo Molnar <> | Subject | Re: [patch] Real-Time Preemption, -RT-2.6.10-rc1-mm3-V0.7.25-1 |
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* Gunther Persoons <gunther_persoons@spymac.com> wrote:
> As i thought the init scripts were my problem. But i have an other > question. I recently started to use NFS. But with the mainline kernel > cpu usage is 100%, and when i look in top si shows bewteen 40 and 60% > cpu usage. With your kernel si is 0%, but ksoftriqd/0 shows around 38% > cpu usage and total cpu usage is around 52%. Is this normal? on my > server cpu usage is 2% but it uses a intel network card. My laptop is > using a wireless pcmcia card (cisco).
normally the RT kernel has higher system overhead (all IRQ traffic goes to separate thread contexts, involving context-switching, etc.) so a _reduction_ in system overhead looks a bit strange. Is there a difference in performance?
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