1 files changed, 19 insertions, 6 deletions

diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index d2a372fb0b9b..0dccfbba6d26 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1259,31 +1259,44 @@ static int __rcu_pending(struct rcu_state *rsp, struct rcu_data *rdp)
         check_cpu_stall(rsp, rdp);
 
         /* Is the RCU core waiting for a quiescent state from this CPU? */
-        if (rdp->qs_pending)
+        if (rdp->qs_pending) {
+                rdp->n_rp_qs_pending++;
                 return 1;
+        }
 
         /* Does this CPU have callbacks ready to invoke? */
-        if (cpu_has_callbacks_ready_to_invoke(rdp))
+        if (cpu_has_callbacks_ready_to_invoke(rdp)) {
+                rdp->n_rp_cb_ready++;
                 return 1;
+        }
 
         /* Has RCU gone idle with this CPU needing another grace period? */
-        if (cpu_needs_another_gp(rsp, rdp))
+        if (cpu_needs_another_gp(rsp, rdp)) {
+                rdp->n_rp_cpu_needs_gp++;
                 return 1;
+        }
 
         /* Has another RCU grace period completed?  */
-        if (ACCESS_ONCE(rsp->completed) != rdp->completed) /* outside of lock */
+        if (ACCESS_ONCE(rsp->completed) != rdp->completed) { /* outside lock */
+                rdp->n_rp_gp_completed++;
                 return 1;
+        }
 
         /* Has a new RCU grace period started? */
-        if (ACCESS_ONCE(rsp->gpnum) != rdp->gpnum) /* outside of lock */
+        if (ACCESS_ONCE(rsp->gpnum) != rdp->gpnum) { /* outside lock */
+                rdp->n_rp_gp_started++;
                 return 1;
+        }
 
         /* Has an RCU GP gone long enough to send resched IPIs &c? */
         if (ACCESS_ONCE(rsp->completed) != ACCESS_ONCE(rsp->gpnum) &&
-            ((long)(ACCESS_ONCE(rsp->jiffies_force_qs) - jiffies) < 0))
+            ((long)(ACCESS_ONCE(rsp->jiffies_force_qs) - jiffies) < 0)) {
+                rdp->n_rp_need_fqs++;
                 return 1;
+        }
 
         /* nothing to do */
+        rdp->n_rp_need_nothing++;
         return 0;
 }