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Open Source and information security mailing list archives
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Date: Wed, 23 Aug 2006 17:36:08 +0200 (MEST) From: Jan Engelhardt <jengelh@...ux01.gwdg.de> To: Rich Paredes <rparedes@...il.com> cc: linux-kernel@...r.kernel.org Subject: Re: SMP Affinity and nice >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. Jan Engelhardt -- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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