Messages in this thread | | | Subject | Re: SELinux performance issue with large systems (32 cpus) | From | keith <> | Date | Tue, 23 Nov 2004 13:59:49 -0800 |
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On Tue, 2004-11-23 at 12:52, Chris Wright wrote: > * keith (kmannth@us.ibm.com) wrote: > > I work with i386 16-way systems. When hyperthreading is enabled they > > have 32 "cpus". I recently did a quick performance check on with 2.6 > > (as it turn out with a SElinux enabled) doing kernel builds. > > Have you tried any recent -mm kernel? avc_lock was refactored to RCU > locking, and benchmarks shows it scales quite nicely now.
I just tried 2.6.10-rc2-mm3 on my box. The patches in mm fix the avc_lock problem. The refactoring of the lock worked :)
Thanks, Keith Mannthey LTC xSeries
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