lkml.org 
[lkml]   [2008]   [Sep]   [25]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH, RFC] v6 scalable classic RCU implementation
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


\
 
 \ /
  Last update: 2008-09-25 16:07    [from the cache]
©2003-2011 Jasper Spaans