Commit 3d0cef50 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

rcu/nocb: Add nocb CB kthread list to show_rcu_nocb_state() output 



This commit improves debuggability by indicating laying out the order
in which rcuoc kthreads appear in the ->nocb_next_cb_rdp list.

Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 34169061

kernel/rcu/tree_plugin.h

+1 −0
Original line number Diff line number Diff line
@@ -2730,6 +2730,7 @@ static void show_rcu_nocb_state(struct rcu_data *rdp) 
	sprintf(bufr, "%ld", rsclp->gp_seq[RCU_NEXT_READY_TAIL]);

	pr_info("   CB %d^%d->%d %c%c%c%c%c%c F%ld L%ld C%d %c%c%s%c%s%c%c q%ld %c CPU %d%s\n",

		rdp->cpu, rdp->nocb_gp_rdp->cpu,

		rdp->nocb_next_cb_rdp ? rdp->nocb_next_cb_rdp->cpu : -1,

		"kK"[!!rdp->nocb_cb_kthread],

		"bB"[raw_spin_is_locked(&rdp->nocb_bypass_lock)],

		"cC"[!!atomic_read(&rdp->nocb_lock_contended)],