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
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
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,
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,
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
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
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
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
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 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
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
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
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
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 header.
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, Apr 02, 2014
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
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 wrote:
On
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 Rzeszutek Wilk
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
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 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 04/03/2014 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
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
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.
-
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.
-
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 atomic
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 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
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