Messages in this thread | | | Subject | Re: [PATCH] 2.6.3-rc3-mm1: sched-group-power | Date | Thu, 19 Feb 2004 17:17:08 -0800 | From | Rick Lindsley <> |
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Nick, I'm not sure what capability this patch adds .. perhaps some words of explanation.
So we have SMT/HT situations where we'd prefer to balance across cores; that is, if 0, 1, 2, and 3 share a core and 4, 5, 6, and 7 share a core, you'd like two processes to arrange themselves so one is on [0123] and another is on [4567]. This is what the SD_IDLE flag indicated before.
With this patch, we can "weight" the load imposed by certain cpus, right? What advantage does this give us? On a given machine, won't the "weight" of any one set of SMT siblings and cores be uniform with respect to all the cores and siblings anyway?
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