Messages in this thread | | | Date | Thu, 25 Sep 2008 07:05:06 -0700 | From | "Paul E. McKenney" <> | Subject | Re: [PATCH, RFC] v6 scalable classic RCU implementation |
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On Thu, Sep 25, 2008 at 09:26:07AM +0200, Ingo Molnar wrote: > > * Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote: > > > +config RCU_CPU_STALL_DETECTOR > > + bool "Check for stalled CPUs delaying RCU grace periods" > > + depends on CLASSIC_RCU || TREE_RCU > > + default n > > + help > > + This option causes RCU to printk information on which > > + CPUs are delaying the current grace period, but only when > > + the grace period extends for excessive time periods. > > + > > + Say Y if you want RCU to perform such checks. > > + > > + Say N if you are unsure. > > could you please send this bit separately, even if rcutree isnt finished > yet? Seems like a quite useful debug feature.
Good point -- I guess I do need to implement the CLASSIC_RCU piece of this in any case.
Thanx, Paul
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