Messages in this thread | | | Date | Mon, 2 Apr 2007 09:21:11 +0200 | From | Ingo Molnar <> | Subject | Re: Poor UDP performance using 2.6.21-rc5-rt5 |
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* Dave Sperry <dave_sperry@ieee.org> wrote:
> I have a dual core Opteron machine that exhibits poor UDP performance > (RT consumes more than 2X cpu) with the 2.6.21-rc5-rt5 as compared to > 2.6.21-rc5. Top shows the IRQ handler consuming a lot of CPU.
update: even with acpi_pm clocksource on vanilla i can reproduce similar overhead using netperf.
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