From: Peter Zijlstra (Intel)
Instead of calculating how many (logical) CPUs to scan, compute how
many cores to scan.
This changes behaviour for anything !SMT2.
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Mel Gorman
---
kernel/sched/core.c | 18 +-
On Mon, Jan 18, 2021 at 04:14:36PM +0800, Li, Aubrey wrote:
> >
> > @@ -6124,6 +6126,8 @@ static int select_idle_smt(struct task_struct *p,
> > struct sched_domain *sd, int t
> >
> > #else /* CONFIG_SCHED_SMT */
> >
> > +#define sched_smt_weight 1
> > +
> > static inline int
On 2021/1/15 18:08, Mel Gorman wrote:
> From: Peter Zijlstra (Intel)
>
> Instead of calculating how many (logical) CPUs to scan, compute how
> many cores to scan.
>
> This changes behaviour for anything !SMT2.
>
> Signed-off-by: Peter Zijlstra (Intel)
> Signed-off-by: Mel Gorman
> ---
>
From: Peter Zijlstra (Intel)
Instead of calculating how many (logical) CPUs to scan, compute how
many cores to scan.
This changes behaviour for anything !SMT2.
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Mel Gorman
---
kernel/sched/core.c | 18 +-
On Wed, Jan 13, 2021 at 05:49:58PM +0100, Vincent Guittot wrote:
> > @@ -7444,11 +7444,20 @@ int sched_cpu_activate(unsigned int cpu)
> > balance_push_set(cpu, false);
> >
> > #ifdef CONFIG_SCHED_SMT
> > - /*
> > -* When going up, increment the number of cores with SMT
On Mon, 11 Jan 2021 at 16:50, Mel Gorman wrote:
>
> From: Peter Zijlstra (Intel)
>
> Instead of calculating how many (logical) CPUs to scan, compute how
> many cores to scan.
>
> This changes behaviour for anything !SMT2.
>
> Signed-off-by: Peter Zijlstra (Intel)
> Signed-off-by: Mel Gorman
>
From: Peter Zijlstra (Intel)
Instead of calculating how many (logical) CPUs to scan, compute how
many cores to scan.
This changes behaviour for anything !SMT2.
Signed-off-by: Peter Zijlstra (Intel)
Signed-off-by: Mel Gorman
---
kernel/sched/core.c | 19 ++-
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