Messages in this thread | | | From | Jesse Barnes <> | Subject | Re: Performance of -mm2 and -mm4 | Date | Mon, 23 Aug 2004 14:31:25 -0700 |
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On Monday, August 23, 2004 9:58 am, Martin J. Bligh wrote: > The -mm4 looks more like sched stuff to me (copy_to/from_user, etc), > but the -mm2 stuff looks like something else. Buggered if I know what. > -mm3 didn't compile cleanly, so I didn't bother, but I prob can if you > like.
If you suspect the scheduler, you could try bumping SD_NODES_PER_DOMAIN in kernel/sched.c to a larger value (e.g. the number of nodes in your system). That'll make the scheduler balance more aggressively across the whole system.
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