Messages in this thread | | | Date | Wed, 9 May 2012 17:26:08 +0300 | Subject | Re: [PATCH v1 5/6] mm: make vmstat_update periodic run conditional | From | Gilad Ben-Yossef <> |
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On Tue, May 8, 2012 at 6:34 PM, Christoph Lameter <cl@linux.com> wrote: > On Tue, 8 May 2012, Gilad Ben-Yossef wrote: > >> > But this would still mean that the vmstat update thread would run on an >> > arbitrary cpu. If I have a sacrificial lamb processor for OS processing >> > then I would expect the vmstat update thread to stick to that processor >> > and avoid to run on the other processor that I would like to be as free >> > from OS noise as possible. >> > >> >> OK, what about - >> >> - We pick a scapegoat cpu (the first to come up gets the job). >> - We add a knob to let user designate another cpu for the job. >> - If scapegoat cpus goes offline, the cpu processing the off lining is >> the new scapegoat. >> >> Does this makes better sense? > > Sounds good. The first that comes up. If the cpu is isolated then the > first non isolated cpu is picked. >
OK, will do.
Thanks, Gilad
-- Gilad Ben-Yossef Chief Coffee Drinker gilad@benyossef.com Israel Cell: +972-52-8260388 US Cell: +1-973-8260388 http://benyossef.com
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