Messages in this thread | | | Subject | Re: X86_64 and X86_32 bit performance difference [Revisited] | From | Andi Kleen <> | Date | 09 Jan 2006 19:27:20 +0100 |
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Nauman Tahir <nauman.tahir@gmail.com> writes:
> I have posted this problem before. Now mailing again after testing as > recommeded in previous replys. > My configuration is:
Most likely it's related to you misusing the PCI DMA API in some way. Review Documentation/DMA-mapping.txt closely.
If that doesn't turn on the light try oprofile.
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