rcu: Add tracing data to support queueing models

[mv-sheeva.git] / kernel / rcutree.h

diff --git a/kernel/rcutree.h b/kernel/rcutree.h
index 7918ba61873f48e5641583852ac7909227589253..91d4170c5c13afd2e8997bd59b28e7cc2a4385e8 100644 (file)
--- a/kernel/rcutree.h
+++ b/kernel/rcutree.h
@@ -202,6 +202,9 @@ struct rcu_data {
        long            qlen;           /* # of queued callbacks */
        long            qlen_last_fqs_check;
                                        /* qlen at last check for QS forcing */
+       unsigned long   n_cbs_invoked;  /* count of RCU cbs invoked. */
+       unsigned long   n_cbs_orphaned; /* RCU cbs sent to orphanage. */
+       unsigned long   n_cbs_adopted;  /* RCU cbs adopted from orphanage. */
        unsigned long   n_force_qs_snap;
                                        /* did other CPU force QS recently? */
        long            blimit;         /* Upper limit on a processed batch */