On Mon, Aug 26, 2013 at 5:07 AM, Peter Zijlstra wrote:
> On Sat, Aug 24, 2013 at 03:33:59AM -0700, Paul Turner wrote:
>> On Mon, Aug 19, 2013 at 9:01 AM, Peter Zijlstra wrote:
>> > +++ b/kernel/sched/fair.c
>> > @@ -4977,7 +4977,7 @@ static struct rq *find_busiest_queue(str
>> > unsigned
On Mon, Aug 26, 2013 at 5:07 AM, Peter Zijlstra pet...@infradead.org wrote:
On Sat, Aug 24, 2013 at 03:33:59AM -0700, Paul Turner wrote:
On Mon, Aug 19, 2013 at 9:01 AM, Peter Zijlstra pet...@infradead.org wrote:
+++ b/kernel/sched/fair.c
@@ -4977,7 +4977,7 @@ static struct rq
On Sat, Aug 24, 2013 at 03:33:59AM -0700, Paul Turner wrote:
> On Mon, Aug 19, 2013 at 9:01 AM, Peter Zijlstra wrote:
> > +++ b/kernel/sched/fair.c
> > @@ -4977,7 +4977,7 @@ static struct rq *find_busiest_queue(str
> > unsigned long busiest_load = 0, busiest_power = SCHED_POWER_SCALE;
> >
On Sat, Aug 24, 2013 at 03:33:59AM -0700, Paul Turner wrote:
On Mon, Aug 19, 2013 at 9:01 AM, Peter Zijlstra pet...@infradead.org wrote:
+++ b/kernel/sched/fair.c
@@ -4977,7 +4977,7 @@ static struct rq *find_busiest_queue(str
unsigned long busiest_load = 0, busiest_power =
On Mon, Aug 19, 2013 at 9:01 AM, Peter Zijlstra wrote:
> Use for_each_cpu_and() and thereby avoid computing the capacity for
> CPUs we know we're not interested in.
>
> Signed-off-by: Peter Zijlstra
> ---
> kernel/sched/fair.c |5 +
> 1 file changed, 1 insertion(+), 4 deletions(-)
>
>
On Mon, Aug 19, 2013 at 9:01 AM, Peter Zijlstra pet...@infradead.org wrote:
Use for_each_cpu_and() and thereby avoid computing the capacity for
CPUs we know we're not interested in.
Signed-off-by: Peter Zijlstra pet...@infradead.org
---
kernel/sched/fair.c |5 +
1 file changed, 1
On 08/23/2013 03:33 PM, Peter Zijlstra wrote:
> On Fri, Aug 23, 2013 at 01:41:55PM +0530, Preeti U Murthy wrote:
>> Hi Peter,
>>
>> On 08/19/2013 09:31 PM, Peter Zijlstra wrote:
>>
>> In the load balancing code, looks to me that
>> cpumask_copy(cpus, cpu_active_mask) is not updating the env.cpus
On Fri, Aug 23, 2013 at 01:41:55PM +0530, Preeti U Murthy wrote:
> Hi Peter,
>
> On 08/19/2013 09:31 PM, Peter Zijlstra wrote:
>
> In the load balancing code, looks to me that
> cpumask_copy(cpus, cpu_active_mask) is not updating the env.cpus at all,
> before calling find_busiest_group(). Am I
Hi Peter,
On 08/19/2013 09:31 PM, Peter Zijlstra wrote:
In the load balancing code, looks to me that
cpumask_copy(cpus, cpu_active_mask) is not updating the env.cpus at all,
before calling find_busiest_group(). Am I missing something?
Should not cpumask_copy() below be before we update the
Hi Peter,
On 08/19/2013 09:31 PM, Peter Zijlstra wrote:
In the load balancing code, looks to me that
cpumask_copy(cpus, cpu_active_mask) is not updating the env.cpus at all,
before calling find_busiest_group(). Am I missing something?
Should not cpumask_copy() below be before we update the
On Fri, Aug 23, 2013 at 01:41:55PM +0530, Preeti U Murthy wrote:
Hi Peter,
On 08/19/2013 09:31 PM, Peter Zijlstra wrote:
In the load balancing code, looks to me that
cpumask_copy(cpus, cpu_active_mask) is not updating the env.cpus at all,
before calling find_busiest_group(). Am I missing
On 08/23/2013 03:33 PM, Peter Zijlstra wrote:
On Fri, Aug 23, 2013 at 01:41:55PM +0530, Preeti U Murthy wrote:
Hi Peter,
On 08/19/2013 09:31 PM, Peter Zijlstra wrote:
In the load balancing code, looks to me that
cpumask_copy(cpus, cpu_active_mask) is not updating the env.cpus at all,
Use for_each_cpu_and() and thereby avoid computing the capacity for
CPUs we know we're not interested in.
Signed-off-by: Peter Zijlstra
---
kernel/sched/fair.c |5 +
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
@@ -4977,7 +4977,7 @@
Use for_each_cpu_and() and thereby avoid computing the capacity for
CPUs we know we're not interested in.
Signed-off-by: Peter Zijlstra pet...@infradead.org
---
kernel/sched/fair.c |5 +
1 file changed, 1 insertion(+), 4 deletions(-)
--- a/kernel/sched/fair.c
+++ b/kernel/sched/fair.c
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