rcu: Add tracing data to support queueing models

[deliverable/linux.git] / kernel / rcutree.c

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 42140a860bb997614af85de2f8515e2cb330b8f1..e75073504a31b7209b24e4e4f0b883af98bf942a 100644 (file)
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1004,6 +1004,7 @@ static void rcu_send_cbs_to_orphanage(struct rcu_state *rsp)
        for (i = 0; i < RCU_NEXT_SIZE; i++)
                rdp->nxttail[i] = &rdp->nxtlist;
        rsp->orphan_qlen += rdp->qlen;
+       rdp->n_cbs_orphaned += rdp->qlen;
        rdp->qlen = 0;
        raw_spin_unlock(&rsp->onofflock);  /* irqs remain disabled. */
 }
@@ -1025,6 +1026,7 @@ static void rcu_adopt_orphan_cbs(struct rcu_state *rsp)
        *rdp->nxttail[RCU_NEXT_TAIL] = rsp->orphan_cbs_list;
        rdp->nxttail[RCU_NEXT_TAIL] = rsp->orphan_cbs_tail;
        rdp->qlen += rsp->orphan_qlen;
+       rdp->n_cbs_adopted += rsp->orphan_qlen;
        rsp->orphan_cbs_list = NULL;
        rsp->orphan_cbs_tail = &rsp->orphan_cbs_list;
        rsp->orphan_qlen = 0;
@@ -1156,6 +1158,7 @@ static void rcu_do_batch(struct rcu_state *rsp, struct rcu_data *rdp)
 
        /* Update count, and requeue any remaining callbacks. */
        rdp->qlen -= count;
+       rdp->n_cbs_invoked += count;
        if (list != NULL) {
                *tail = rdp->nxtlist;
                rdp->nxtlist = list;