Messages in this thread | | | Date | Thu, 24 Aug 2006 11:30:09 +1000 | From | Peter Williams <> | Subject | Re: SMP Affinity and nice |
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Jan Engelhardt wrote: >> Subject: SMP Affinity and nice >> >> I am trying to come to an understanding as to why 1 process is getting >> less cpu time than identical processes with a higher "nice" value. >> Server has 2 physical processors with hyperthreading (cpu 0,1,2,3) >> >> I am starting 5 processes that perform a square root loop to max out a >> cpu. They use the exact same code but are renamed for identification: >> cpumax1, cpumax2, cpumax3, cpumax4, cpumax5 > [...] > > What you describe should be addressed in the -ck patchset (smpnice-...diff) > Not sure if it is in mainline already, though.
It's coming in 2.6.18.
Rich, What kernel version are you using when you see this phenomenon?
Peter -- Peter Williams pwil3058@bigpond.net.au
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