On 04/09/2014 12:45 AM, Waiman Long wrote:
Yes, I am able to reproduce the hang problem with ebizzy. BTW, could you
try to apply the attached patch file on top of the v8 patch series to
see if it can fix the hang problem?
Ran the benchmarks with the fix and I am not seeing hang so far.
ebizzy i
On 04/07/2014 01:51 PM, Raghavendra K T wrote:
On 04/07/2014 10:08 PM, Waiman Long wrote:
On 04/07/2014 02:14 AM, Raghavendra K T wrote:
[...]
But I am seeing hang in overcommit cases. Gdb showed that many vcpus
are halted and there was no progress. Suspecting the problem /race with
halting, I
On 04/07/2014 10:08 PM, Waiman Long wrote:
On 04/07/2014 02:14 AM, Raghavendra K T wrote:
[...]
But I am seeing hang in overcommit cases. Gdb showed that many vcpus
are halted and there was no progress. Suspecting the problem /race with
halting, I removed the halt() part of kvm_hibernate(). I
On 04/07/2014 02:14 AM, Raghavendra K T wrote:
I tested the v7,v8 of qspinlock with unfair config on kvm guest.
I was curious about unfair locks performance in undercommit cases.
(overcommit case is expected to perform well)
But I am seeing hang in overcommit cases. Gdb showed that many vcpu
On 04/02/2014 06:57 PM, Waiman Long wrote:
N.B. Sorry for the duplicate. This patch series were resent as the
original one was rejected by the vger.kernel.org list server
due to long header. There is no change in content.
v7->v8:
- Remove one unneeded atomic operation from the slo
On Fri, Apr 04, 2014 at 01:58:15PM -0400, Konrad Rzeszutek Wilk wrote:
> On Fri, Apr 04, 2014 at 01:13:17PM -0400, Waiman Long wrote:
> > On 04/04/2014 12:55 PM, Konrad Rzeszutek Wilk wrote:
> > >On Thu, Apr 03, 2014 at 10:57:18PM -0400, Waiman Long wrote:
> > >>On 04/03/2014 01:23 PM, Konrad Rzesz
On Fri, Apr 04, 2014 at 01:13:17PM -0400, Waiman Long wrote:
> On 04/04/2014 12:55 PM, Konrad Rzeszutek Wilk wrote:
> >On Thu, Apr 03, 2014 at 10:57:18PM -0400, Waiman Long wrote:
> >>On 04/03/2014 01:23 PM, Konrad Rzeszutek Wilk wrote:
> >>>On Wed, Apr 02, 2014 at 10:10:17PM -0400, Waiman Long wro
On 04/04/2014 12:55 PM, Konrad Rzeszutek Wilk wrote:
On Thu, Apr 03, 2014 at 10:57:18PM -0400, Waiman Long wrote:
On 04/03/2014 01:23 PM, Konrad Rzeszutek Wilk wrote:
On Wed, Apr 02, 2014 at 10:10:17PM -0400, Waiman Long wrote:
On 04/02/2014 04:35 PM, Waiman Long wrote:
On 04/02/2014 10:32 AM
On Thu, Apr 03, 2014 at 10:57:18PM -0400, Waiman Long wrote:
> On 04/03/2014 01:23 PM, Konrad Rzeszutek Wilk wrote:
> >On Wed, Apr 02, 2014 at 10:10:17PM -0400, Waiman Long wrote:
> >>On 04/02/2014 04:35 PM, Waiman Long wrote:
> >>>On 04/02/2014 10:32 AM, Konrad Rzeszutek Wilk wrote:
> On Wed,
On Wed, Apr 02, 2014 at 10:32:01AM -0400, Konrad Rzeszutek Wilk wrote:
> On Wed, Apr 02, 2014 at 09:27:29AM -0400, Waiman Long wrote:
> > N.B. Sorry for the duplicate. This patch series were resent as the
> > original one was rejected by the vger.kernel.org list server
> > due to long hea
On 04/03/2014 01:23 PM, Konrad Rzeszutek Wilk wrote:
On Wed, Apr 02, 2014 at 10:10:17PM -0400, Waiman Long wrote:
On 04/02/2014 04:35 PM, Waiman Long wrote:
On 04/02/2014 10:32 AM, Konrad Rzeszutek Wilk wrote:
On Wed, Apr 02, 2014 at 09:27:29AM -0400, Waiman Long wrote:
N.B. Sorry for the dup
On Wed, Apr 02, 2014 at 10:10:17PM -0400, Waiman Long wrote:
> On 04/02/2014 04:35 PM, Waiman Long wrote:
> >On 04/02/2014 10:32 AM, Konrad Rzeszutek Wilk wrote:
> >>On Wed, Apr 02, 2014 at 09:27:29AM -0400, Waiman Long wrote:
> >>>N.B. Sorry for the duplicate. This patch series were resent as the
On 04/02/2014 04:35 PM, Waiman Long wrote:
On 04/02/2014 10:32 AM, Konrad Rzeszutek Wilk wrote:
On Wed, Apr 02, 2014 at 09:27:29AM -0400, Waiman Long wrote:
N.B. Sorry for the duplicate. This patch series were resent as the
original one was rejected by the vger.kernel.org list server
On 04/02/2014 10:32 AM, Konrad Rzeszutek Wilk wrote:
On Wed, Apr 02, 2014 at 09:27:29AM -0400, Waiman Long wrote:
N.B. Sorry for the duplicate. This patch series were resent as the
original one was rejected by the vger.kernel.org list server
due to long header. There is no change in
On Wed, Apr 02, 2014 at 09:27:29AM -0400, Waiman Long wrote:
> N.B. Sorry for the duplicate. This patch series were resent as the
> original one was rejected by the vger.kernel.org list server
> due to long header. There is no change in content.
>
> v7->v8:
> - Remove one unneeded atom
N.B. Sorry for the duplicate. This patch series were resent as the
original one was rejected by the vger.kernel.org list server
due to long header. There is no change in content.
v7->v8:
- Remove one unneeded atomic operation from the slowpath, thus
improving performance.
- Simpl
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