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| author | George Dunlap <george.dunlap@eu.citrix.com> | 2011-03-03 15:14:30 +0000 |
|---|---|---|
| committer | George Dunlap <george.dunlap@eu.citrix.com> | 2011-03-03 15:14:30 +0000 |
| commit | 4804b5c5ae52f6718ca3e9699cdb96a5799b1d84 (patch) | |
| tree | 4209a8b175a9852c034918cb56c377f877f5f0b2 | |
| parent | 67a93c8da5b99374ec02dbbc14a70e01ffdab20c (diff) | |
| download | xen-4804b5c5ae52f6718ca3e9699cdb96a5799b1d84.tar.gz xen-4804b5c5ae52f6718ca3e9699cdb96a5799b1d84.tar.bz2 xen-4804b5c5ae52f6718ca3e9699cdb96a5799b1d84.zip | |
credit2: Add more debugging
Signed-off-by: George Dunlap <george.dunlap@eu.citrix.com>
Acked-by: Keir Fraser <keir@xen.org>
| -rw-r--r-- | xen/common/sched_credit2.c | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/xen/common/sched_credit2.c b/xen/common/sched_credit2.c index c28f009996..59c13618ed 100644 --- a/xen/common/sched_credit2.c +++ b/xen/common/sched_credit2.c @@ -808,6 +808,7 @@ static void __runq_deassign(struct csched_vcpu *svc) { BUG_ON(__vcpu_on_runq(svc)); + BUG_ON(test_bit(__CSFLAG_scheduled, &svc->flags)); list_del_init(&svc->rqd_elem); update_max_weight(svc->rqd, 0, svc->weight); @@ -1603,6 +1604,31 @@ csched_schedule( /* Protected by runqueue lock */ + /* DEBUG */ + if ( !is_idle_vcpu(scurr->vcpu) && scurr->rqd != rqd) + { + int other_rqi = -1, this_rqi = c2r(ops, cpu); + + if ( scurr->rqd ) + { + int rq; + other_rqi = -2; + for_each_cpu_mask ( rq, CSCHED_PRIV(ops)->active_queues ) + { + if ( scurr->rqd == &CSCHED_PRIV(ops)->rqd[rq] ) + { + other_rqi = rq; + break; + } + } + } + printk("%s: pcpu %d rq %d, but scurr d%dv%d assigned to " + "pcpu %d rq %d!\n", + __func__, + cpu, this_rqi, + scurr->vcpu->domain->domain_id, scurr->vcpu->vcpu_id, + scurr->vcpu->processor, other_rqi); + } BUG_ON(!is_idle_vcpu(scurr->vcpu) && scurr->rqd != rqd); /* Clear "tickled" bit now that we've been scheduled */ |