/*
* Debug related code, dump vcpu/cpu information
*/
static void
rt_dump_vcpu(struct rt_vcpu *svc)
{
char *cpustr = keyhandler_scratch;
if ( svc == NULL )
{
printk("NULL!\n");
return;
}
cpumask_scnprintf(cpustr, sizeof(cpustr), svc->vcpu->cpu_hard_affinity);
printk("OCBP:_dumpP: [%5d.%-2d] cpu %d, Period %"PRId64", Budget_low %"PRId64", Budget_high %"PRId64", Deadline %"PRId64",Criticality %d,Offline_flag %d, cur_b=%"PRId64",onR=%d runnable=%d cpu_hard_affinity=%s",
svc->vcpu->domain->domain_id,
svc->vcpu->vcpu_id,
svc->vcpu->processor,
svc->period,
svc->budget_low,
svc->budget_high,
svc->deadline,
svc->criticality_vcpu,
svc->offl_flag,
svc->cur_budget,
__vcpu_on_runq(svc),
vcpu_runnable(svc->vcpu),
cpustr);
memset(cpustr, 0, sizeof(char)*1024);
cpumask_scnprintf(cpustr, sizeof(cpustr), cpupool_scheduler_cpumask(svc->vcpu->domain->cpupool));
printk("cpupool=%s\n", cpustr);
}
/*
* Debug related code, dump vcpu/cpu information
*/
static void
rt_dump_vcpu(const struct scheduler *ops, const struct rt_vcpu *svc)
{
char cpustr[1024];
cpumask_t *cpupool_mask;
ASSERT(svc != NULL);
/* idle vcpu */
if( svc->sdom == NULL )
{
printk("\n");
return;
}
cpumask_scnprintf(cpustr, sizeof(cpustr), svc->vcpu->cpu_hard_affinity);
printk("[%5d.%-2u] cpu %u, (%"PRI_stime", %"PRI_stime"),"
" cur_b=%"PRI_stime" cur_d=%"PRI_stime" last_start=%"PRI_stime"\n"
" \t\t onQ=%d runnable=%d cpu_hard_affinity=%s ",
svc->vcpu->domain->domain_id,
svc->vcpu->vcpu_id,
svc->vcpu->processor,
svc->period,
svc->budget,
svc->cur_budget,
svc->cur_deadline,
svc->last_start,
__vcpu_on_q(svc),
vcpu_runnable(svc->vcpu),
cpustr);
memset(cpustr, 0, sizeof(cpustr));
cpupool_mask = cpupool_scheduler_cpumask(svc->vcpu->domain->cpupool);
cpumask_scnprintf(cpustr, sizeof(cpustr), cpupool_mask);
printk("cpupool=%s\n", cpustr);
}
/**
* Xen scheduler callback function to select a CPU for the VCPU to run on
*
* @param ops Pointer to this instance of the scheduler structure
* @param v Pointer to the VCPU structure for the current domain
*
* @return Number of selected physical CPU
*/
static int
a653sched_pick_cpu(const struct scheduler *ops, struct vcpu *vc)
{
cpumask_t *online;
unsigned int cpu;
/*
* If present, prefer vc's current processor, else
* just find the first valid vcpu .
*/
online = cpupool_scheduler_cpumask(vc->domain->cpupool);
cpu = cpumask_first(online);
if ( cpumask_test_cpu(vc->processor, online)
|| (cpu >= nr_cpu_ids) )
cpu = vc->processor;
return cpu;
}
static void
rt_dump(const struct scheduler *ops)
{
struct list_head *iter_sdom, *iter_svc, *runq, *depletedq, *iter;
struct rt_private *prv = rt_priv(ops);
struct rt_vcpu *svc;
cpumask_t *online;
struct rt_dom *sdom;
unsigned long flags;
ASSERT(!list_empty(&prv->sdom));
sdom = list_entry(prv->sdom.next, struct rt_dom, sdom_elem);
online = cpupool_scheduler_cpumask(sdom->dom->cpupool);
runq = rt_runq(ops);
depletedq = rt_depletedq(ops);
spin_lock_irqsave(&prv->lock, flags);
printk("Global RunQueue info:\n");
list_for_each( iter, runq )
{
svc = __q_elem(iter);
rt_dump_vcpu(ops, svc);
}
