Re: NUMA scheduler broken

Rick Lindsley (ricklind@us.ibm.com)
Fri, 07 Mar 2003 03:51:11 -0800

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Looks like __activate_task() should call nr_running_inc(rq) rather than
rq->nr_running++, and the same in wake_up_forked_process(). My guess
is that the bogus node_nr_running value is causing some really poor
scheduling decisions to be made on NUMA. See if that changes your result.

Rick
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Next message: Andrew Morton: "Re: [2.5] memleak in load_elf_binary?"
Previous message: Alan Cox: "Re: Make ipconfig.c work as a loadable module."
Maybe in reply to: Martin J. Bligh: "NUMA scheduler broken"
Next in thread: Ingo Molnar: "Re: NUMA scheduler broken"
Reply: Ingo Molnar: "Re: NUMA scheduler broken"