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-rw-r--r--kernel/rcutree.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index 78d371526667..54dd6d03dbb5 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -1459,8 +1459,12 @@ static void rcu_gp_cleanup(struct rcu_state *rsp)
rsp->fqs_state = RCU_GP_IDLE;
rdp = this_cpu_ptr(rsp->rda);
rcu_advance_cbs(rsp, rnp, rdp); /* Reduce false positives below. */
- if (cpu_needs_another_gp(rsp, rdp))
+ if (cpu_needs_another_gp(rsp, rdp)) {
rsp->gp_flags = 1;
+ trace_rcu_grace_period(rsp->name,
+ ACCESS_ONCE(rsp->gpnum),
+ TPS("newreq"));
+ }
raw_spin_unlock_irq(&rnp->lock);
}
@@ -1584,6 +1588,8 @@ rcu_start_gp_advanced(struct rcu_state *rsp, struct rcu_node *rnp,
return;
}
rsp->gp_flags = RCU_GP_FLAG_INIT;
+ trace_rcu_grace_period(rsp->name, ACCESS_ONCE(rsp->gpnum),
+ TPS("newreq"));
/*
* We can't do wakeups while holding the rnp->lock, as that