On Tue, Mar 05, 2013 at 05:02:37PM +0800, Daniel J Blueman wrote:
> On 02/26/2013 12:32 AM, Paul E. McKenney wrote:
> >On Wed, Feb 20, 2013 at 11:35:57AM +0800, Daniel J Blueman wrote:
> >>On 20/02/2013 02:16, Paul E. McKenney wrote:
> >>>On Wed, Feb 20, 2013 at 12:34:12AM +0800, Daniel J Blueman w
On 02/26/2013 12:32 AM, Paul E. McKenney wrote:
On Wed, Feb 20, 2013 at 11:35:57AM +0800, Daniel J Blueman wrote:
On 20/02/2013 02:16, Paul E. McKenney wrote:
On Wed, Feb 20, 2013 at 12:34:12AM +0800, Daniel J Blueman wrote:
Hi Paul,
On some of our larger servers with many hundreds of cores a
On Wed, Feb 20, 2013 at 11:35:57AM +0800, Daniel J Blueman wrote:
> On 20/02/2013 02:16, Paul E. McKenney wrote:
> >On Wed, Feb 20, 2013 at 12:34:12AM +0800, Daniel J Blueman wrote:
> >>Hi Paul,
> >>
> >>On some of our larger servers with many hundreds of cores and when
> >>under high duress, we ca
On 20/02/2013 02:16, Paul E. McKenney wrote:
On Wed, Feb 20, 2013 at 12:34:12AM +0800, Daniel J Blueman wrote:
Hi Paul,
On some of our larger servers with many hundreds of cores and when
under high duress, we can see scheduler RCU stall warnings [1], so
find we have to increase the hardcoded RC
On Wed, Feb 20, 2013 at 12:34:12AM +0800, Daniel J Blueman wrote:
> Hi Paul,
>
> On some of our larger servers with many hundreds of cores and when
> under high duress, we can see scheduler RCU stall warnings [1], so
> find we have to increase the hardcoded RCU_STALL_RAT_DELAY up from 2
> and RCU_
Hi Paul,
On some of our larger servers with many hundreds of cores and when under
high duress, we can see scheduler RCU stall warnings [1], so find we
have to increase the hardcoded RCU_STALL_RAT_DELAY up from 2 and
RCU_JIFFIES_TILL_FORCE_QS up from 3.
Is there a more sustainable way to acco
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