Messages in this thread | | | Subject | Re: [RFC] Introduce greedy hrtimer walk on idle | From | Peter Zijlstra <> | Date | Wed, 28 Sep 2011 15:25:15 +0200 |
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On Fri, 2011-09-23 at 16:41 -0700, Venki Pallipadi wrote: > On Fri, Sep 23, 2011 at 12:55 PM, Peter Zijlstra <peterz@infradead.org> wrote: > > On Fri, 2011-09-23 at 11:54 -0700, Venkatesh Pallipadi wrote: > >> Comments? > > > > One of the reasons we didn't do it before was added cost to > > hrtimer_{add,del}, did you measure workloads that are heavy on that? > > > > I haven't seen any measurable overhead with workloads I have tried. > But, I don't think I have hit that path hard enough. Do you have any > particular workload in mind?
Not really, I asked tglx if he knew a particular workload to test this, but he didn't have anything either.
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