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

[Dario Faggioli <dario.faggioli@xxxxxxxxxx>]

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: Meng Xu <xumengpanda@xxxxxxxxx>
Cc: George Dunlap <george.dunlap@xxxxxxxxxxxxx>
Cc: Jan Beulich <JBeulich@xxxxxxxx>
Cc: Keir Fraser <keir@xxxxxxx>
---
 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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