On 19 February 2013 11:29, Vincent Guittot wrote:
> On 18 February 2013 16:40, Frederic Weisbecker wrote:
>> 2013/2/18 Vincent Guittot :
>>> On 18 February 2013 15:38, Frederic Weisbecker wrote:
I pasted the original at: http://pastebin.com/DMm5U8J8
>>>
>>> We can clear the idle flag only
On 18 February 2013 16:40, Frederic Weisbecker wrote:
> 2013/2/18 Vincent Guittot :
>> On 18 February 2013 15:38, Frederic Weisbecker wrote:
>>> I pasted the original at: http://pastebin.com/DMm5U8J8
>>
>> We can clear the idle flag only in the nohz_kick_needed which will not
>> be called if the
On 18 February 2013 16:40, Frederic Weisbecker fweis...@gmail.com wrote:
2013/2/18 Vincent Guittot vincent.guit...@linaro.org:
On 18 February 2013 15:38, Frederic Weisbecker fweis...@gmail.com wrote:
I pasted the original at: http://pastebin.com/DMm5U8J8
We can clear the idle flag only in the
On 19 February 2013 11:29, Vincent Guittot vincent.guit...@linaro.org wrote:
On 18 February 2013 16:40, Frederic Weisbecker fweis...@gmail.com wrote:
2013/2/18 Vincent Guittot vincent.guit...@linaro.org:
On 18 February 2013 15:38, Frederic Weisbecker fweis...@gmail.com wrote:
I pasted the
2013/2/18 Vincent Guittot :
> On 18 February 2013 15:38, Frederic Weisbecker wrote:
>> I pasted the original at: http://pastebin.com/DMm5U8J8
>
> We can clear the idle flag only in the nohz_kick_needed which will not
> be called if the sched_domain is NULL so the sequence will be
>
> = CPU 0 =
On 18 February 2013 15:38, Frederic Weisbecker wrote:
> 2013/2/18 Frederic Weisbecker :
>> 2013/2/8 Vincent Guittot :
>>> On 8 February 2013 16:35, Frederic Weisbecker wrote:
What if the following happen (inventing function names but you get the
idea):
CPU 0
2013/2/18 Frederic Weisbecker :
> 2013/2/8 Vincent Guittot :
>> On 8 February 2013 16:35, Frederic Weisbecker wrote:
>>> What if the following happen (inventing function names but you get the
>>> idea):
>>>
>>> CPU 0 CPU 1
>>>
>>> dom = new_domain(...) {
2013/2/8 Vincent Guittot :
> On 8 February 2013 16:35, Frederic Weisbecker wrote:
>> What if the following happen (inventing function names but you get the idea):
>>
>> CPU 0 CPU 1
>>
>> dom = new_domain(...) {
>>nr_cpus_busy = 0;
>>
2013/2/8 Vincent Guittot vincent.guit...@linaro.org:
On 8 February 2013 16:35, Frederic Weisbecker fweis...@gmail.com wrote:
What if the following happen (inventing function names but you get the idea):
CPU 0 CPU 1
dom = new_domain(...) {
2013/2/18 Frederic Weisbecker fweis...@gmail.com:
2013/2/8 Vincent Guittot vincent.guit...@linaro.org:
On 8 February 2013 16:35, Frederic Weisbecker fweis...@gmail.com wrote:
What if the following happen (inventing function names but you get the
idea):
CPU 0
On 18 February 2013 15:38, Frederic Weisbecker fweis...@gmail.com wrote:
2013/2/18 Frederic Weisbecker fweis...@gmail.com:
2013/2/8 Vincent Guittot vincent.guit...@linaro.org:
On 8 February 2013 16:35, Frederic Weisbecker fweis...@gmail.com wrote:
What if the following happen (inventing
2013/2/18 Vincent Guittot vincent.guit...@linaro.org:
On 18 February 2013 15:38, Frederic Weisbecker fweis...@gmail.com wrote:
I pasted the original at: http://pastebin.com/DMm5U8J8
We can clear the idle flag only in the nohz_kick_needed which will not
be called if the sched_domain is NULL so
On 8 February 2013 16:35, Frederic Weisbecker wrote:
> 2013/2/4 Vincent Guittot :
>> On 1 February 2013 19:03, Frederic Weisbecker wrote:
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 257002c..fd41924 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
2013/2/4 Vincent Guittot :
> On 1 February 2013 19:03, Frederic Weisbecker wrote:
>>> diff --git a/kernel/sched/core.c b/kernel/sched/core.c
>>> index 257002c..fd41924 100644
>>> --- a/kernel/sched/core.c
>>> +++ b/kernel/sched/core.c
>>> @@ -5884,6 +5884,7 @@ static void
2013/2/4 Vincent Guittot vincent.guit...@linaro.org:
On 1 February 2013 19:03, Frederic Weisbecker fweis...@gmail.com wrote:
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 257002c..fd41924 100644
--- a/kernel/sched/core.c
+++ b/kernel/sched/core.c
@@ -5884,6 +5884,7 @@ static
On 8 February 2013 16:35, Frederic Weisbecker fweis...@gmail.com wrote:
2013/2/4 Vincent Guittot vincent.guit...@linaro.org:
On 1 February 2013 19:03, Frederic Weisbecker fweis...@gmail.com wrote:
diff --git a/kernel/sched/core.c b/kernel/sched/core.c
index 257002c..fd41924 100644
---
On 1 February 2013 19:03, Frederic Weisbecker wrote:
> 2013/1/29 Vincent Guittot :
>> On my smp platform which is made of 5 cores in 2 clusters,I have the
>> nr_busy_cpu field of sched_group_power struct that is not null when the
>> platform is fully idle. The root cause seems to be:
>> During
On 1 February 2013 19:03, Frederic Weisbecker fweis...@gmail.com wrote:
2013/1/29 Vincent Guittot vincent.guit...@linaro.org:
On my smp platform which is made of 5 cores in 2 clusters,I have the
nr_busy_cpu field of sched_group_power struct that is not null when the
platform is fully idle. The
2013/1/29 Vincent Guittot :
> On my smp platform which is made of 5 cores in 2 clusters,I have the
> nr_busy_cpu field of sched_group_power struct that is not null when the
> platform is fully idle. The root cause seems to be:
> During the boot sequence, some CPUs reach the idle loop and set their
2013/1/29 Vincent Guittot vincent.guit...@linaro.org:
On my smp platform which is made of 5 cores in 2 clusters,I have the
nr_busy_cpu field of sched_group_power struct that is not null when the
platform is fully idle. The root cause seems to be:
During the boot sequence, some CPUs reach the
On my smp platform which is made of 5 cores in 2 clusters,I have the
nr_busy_cpu field of sched_group_power struct that is not null when the
platform is fully idle. The root cause seems to be:
During the boot sequence, some CPUs reach the idle loop and set their
NOHZ_IDLE flag while waiting for
On my smp platform which is made of 5 cores in 2 clusters,I have the
nr_busy_cpu field of sched_group_power struct that is not null when the
platform is fully idle. The root cause seems to be:
During the boot sequence, some CPUs reach the idle loop and set their
NOHZ_IDLE flag while waiting for
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