Re: Bad X-performance on 2.6.6 & 2.6.7-rc1 on x86-64

[Andi Kleen]

Malte Schröder <MalteSch@xxxxxx> writes:

> Hi,
> I build a 64-bit kernel (using gcc 3.3.3) on debian/sid for an Athlon 64 3200+. The System has a Radeon 9800pro as graphics card. 
> When playing videos using xine in full PAL-Resolution these videos run choppy, top then shows a cpuload of roughly 50% system and 50% user.

I would suggest using oprofile to find out where the CPU time is going.

2.6.7rc1 had a fix to help performance with hardware accelerated
DVD playback on x86-64, but apparently that's not what you're doing.

-Andi

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