On 10 April 2013 08:07, Michael Wang wrote:
> On 04/09/2013 03:08 PM, Vincent Guittot wrote:
>> On 2 April 2013 05:23, Alex Shi wrote:
>>> Except using runnable load average in background, move_tasks is also
>>> the key functions in load balance. We need consider the runnable load
>>> average in
On 04/09/2013 03:08 PM, Vincent Guittot wrote:
> On 2 April 2013 05:23, Alex Shi wrote:
>> Except using runnable load average in background, move_tasks is also
>> the key functions in load balance. We need consider the runnable load
>> average in it in order to the apple to apple load comparison.
On 04/09/2013 03:08 PM, Vincent Guittot wrote:
On 2 April 2013 05:23, Alex Shi alex@intel.com wrote:
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need consider the runnable load
average in it in order to the apple to apple load
On 10 April 2013 08:07, Michael Wang wang...@linux.vnet.ibm.com wrote:
On 04/09/2013 03:08 PM, Vincent Guittot wrote:
On 2 April 2013 05:23, Alex Shi alex@intel.com wrote:
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need
On 04/09/2013 11:16 PM, Vincent Guittot wrote:
>> > Thanks a lot for info sharing! Vincent.
>> >
>> > But I checked the rq->avg and task->se.avg, seems none of them are
>> > possible be updated on different CPU at the same time. So my printk
>> > didn't catch this with benchmark kbuild and aim7 on
On 9 April 2013 16:48, Alex Shi wrote:
> On 04/09/2013 07:56 PM, Vincent Guittot wrote:
>> On 9 April 2013 12:38, Alex Shi wrote:
>>> On 04/09/2013 04:58 PM, Vincent Guittot wrote:
How do you ensure that runnable_avg_period and runnable_avg_sum are
coherent ? an update of the
On 04/09/2013 07:56 PM, Vincent Guittot wrote:
> On 9 April 2013 12:38, Alex Shi wrote:
>> On 04/09/2013 04:58 PM, Vincent Guittot wrote:
>>> How do you ensure that runnable_avg_period and runnable_avg_sum are
>>> coherent ? an update of the statistic can occur in the middle of your
On 9 April 2013 12:38, Alex Shi wrote:
> On 04/09/2013 04:58 PM, Vincent Guittot wrote:
>> How do you ensure that runnable_avg_period and runnable_avg_sum are
>> coherent ? an update of the statistic can occur in the middle of your
>> sequence.
>>> >
>>> > Thanks for your question,
On 04/09/2013 04:58 PM, Vincent Guittot wrote:
>>> >> How do you ensure that runnable_avg_period and runnable_avg_sum are
>>> >> coherent ? an update of the statistic can occur in the middle of your
>>> >> sequence.
>> >
>> > Thanks for your question, Vincent!
>> > the runnable_avg_period and
On 9 April 2013 10:05, Alex Shi wrote:
> On 04/09/2013 03:08 PM, Vincent Guittot wrote:
>> On 2 April 2013 05:23, Alex Shi wrote:
>>> Except using runnable load average in background, move_tasks is also
>>> the key functions in load balance. We need consider the runnable load
>>> average in it
On 04/09/2013 03:08 PM, Vincent Guittot wrote:
> On 2 April 2013 05:23, Alex Shi wrote:
>> Except using runnable load average in background, move_tasks is also
>> the key functions in load balance. We need consider the runnable load
>> average in it in order to the apple to apple load comparison.
On 2 April 2013 05:23, Alex Shi wrote:
> Except using runnable load average in background, move_tasks is also
> the key functions in load balance. We need consider the runnable load
> average in it in order to the apple to apple load comparison.
>
> Signed-off-by: Alex Shi
> ---
>
On 2 April 2013 05:23, Alex Shi alex@intel.com wrote:
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need consider the runnable load
average in it in order to the apple to apple load comparison.
Signed-off-by: Alex Shi
On 04/09/2013 03:08 PM, Vincent Guittot wrote:
On 2 April 2013 05:23, Alex Shi alex@intel.com wrote:
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need consider the runnable load
average in it in order to the apple to apple load
On 9 April 2013 10:05, Alex Shi alex@intel.com wrote:
On 04/09/2013 03:08 PM, Vincent Guittot wrote:
On 2 April 2013 05:23, Alex Shi alex@intel.com wrote:
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need consider the
On 04/09/2013 04:58 PM, Vincent Guittot wrote:
How do you ensure that runnable_avg_period and runnable_avg_sum are
coherent ? an update of the statistic can occur in the middle of your
sequence.
Thanks for your question, Vincent!
the runnable_avg_period and runnable_avg_sum, only
On 9 April 2013 12:38, Alex Shi alex@intel.com wrote:
On 04/09/2013 04:58 PM, Vincent Guittot wrote:
How do you ensure that runnable_avg_period and runnable_avg_sum are
coherent ? an update of the statistic can occur in the middle of your
sequence.
Thanks for your question, Vincent!
On 04/09/2013 07:56 PM, Vincent Guittot wrote:
On 9 April 2013 12:38, Alex Shi alex@intel.com wrote:
On 04/09/2013 04:58 PM, Vincent Guittot wrote:
How do you ensure that runnable_avg_period and runnable_avg_sum are
coherent ? an update of the statistic can occur in the middle of your
On 9 April 2013 16:48, Alex Shi alex@intel.com wrote:
On 04/09/2013 07:56 PM, Vincent Guittot wrote:
On 9 April 2013 12:38, Alex Shi alex@intel.com wrote:
On 04/09/2013 04:58 PM, Vincent Guittot wrote:
How do you ensure that runnable_avg_period and runnable_avg_sum are
coherent ? an
On 04/09/2013 11:16 PM, Vincent Guittot wrote:
Thanks a lot for info sharing! Vincent.
But I checked the rq-avg and task-se.avg, seems none of them are
possible be updated on different CPU at the same time. So my printk
didn't catch this with benchmark kbuild and aim7 on my SNB EP box.
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need consider the runnable load
average in it in order to the apple to apple load comparison.
Signed-off-by: Alex Shi
---
kernel/sched/fair.c | 11 ++-
1 file changed, 10
Except using runnable load average in background, move_tasks is also
the key functions in load balance. We need consider the runnable load
average in it in order to the apple to apple load comparison.
Signed-off-by: Alex Shi alex@intel.com
---
kernel/sched/fair.c | 11 ++-
1 file
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