Re: [Xen-devel] [PATCH v2 1/4] xen: sched: honour generic perf conuters in the RTDS scheduler

[George Dunlap <george.dunlap@xxxxxxxxxxxxx>]

On 02/27/2015 04:50 PM, Dario Faggioli wrote:
> more specifically, about vCPU initialization and destruction events,
> in line with adb26c09f26e ("xen: sched: introduce a couple of counters
> in credit2 and SEDF").
> 
> Signed-off-by: Dario Faggioli <dario.faggioli@xxxxxxxxxx>
> Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
> Cc: Meng Xu <xumengpanda@xxxxxxxxx>
> Cc: Jan Beulich <JBeulich@xxxxxxxx>
> Cc: Keir Fraser <keir@xxxxxxx>
> Reviewed-by: Meng Xu <mengxu@xxxxxxxxxxxxx>

Reviewed-by: George Dunlap <george.dunlap@xxxxxxxxxxxxx>

> ---
>  xen/common/sched_rt.c |    4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/xen/common/sched_rt.c b/xen/common/sched_rt.c
> index df4adac..58dd646 100644
> --- a/xen/common/sched_rt.c
> +++ b/xen/common/sched_rt.c
> @@ -525,6 +525,8 @@ rt_alloc_vdata(const struct scheduler *ops, struct vcpu 
> *vc, void *dd)
>      if ( !is_idle_vcpu(vc) )
>          svc->budget = RTDS_DEFAULT_BUDGET;
>  
> +    SCHED_STAT_CRANK(vcpu_init);
> +
>      return svc;
>  }
>  
> @@ -574,6 +576,8 @@ rt_vcpu_remove(const struct scheduler *ops, struct vcpu 
> *vc)
>      struct rt_dom * const sdom = svc->sdom;
>      spinlock_t *lock;
>  
> +    SCHED_STAT_CRANK(vcpu_destroy);
> +
>      BUG_ON( sdom == NULL );
>  
>      lock = vcpu_schedule_lock_irq(vc);
> 


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