Messages in this thread | | | Subject | Re: [PATCH] cpuacct: add a branch prediction | From | Peter Zijlstra <> | Date | Thu, 26 Feb 2009 12:22:25 +0100 |
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On Thu, 2009-02-26 at 19:55 +0900, KAMEZAWA Hiroyuki wrote: > Peter Zijlstra wrote: > > On Thu, 2009-02-26 at 19:28 +0900, KAMEZAWA Hiroyuki wrote: > > > >> Taking hierarchy mutex while reading will make read-side stable. > > > > We're talking about scheduling here, taking a mutex to stop scheduling > > won't work, nor will it be acceptible to use anything that will. > > > I'm sorry but I thought we are talking about cpuacct subsystem and not > cpu subsystem....cpuacct subsystem's information is used for schedule ?
Not used for scheduling, but directly generated by it.
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