Commit d66e4cf9 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

srcu: Add GP and maximum requested GP to Tiny SRCU rcutorture output 



This commit adds the ->srcu_idx and ->srcu_max_idx fields to the Tiny
SRCU rcutorture output for additional diagnostics.

Signed-off-by: default avatarPaul E. McKenney <paulmck@kernel.org>
parent 599d97e3

include/linux/srcutiny.h

+4 −2
Original line number Diff line number Diff line
@@ -82,10 +82,12 @@ static inline void srcu_torture_stats_print(struct srcu_struct *ssp, 
	int idx;



	idx = ((data_race(READ_ONCE(ssp->srcu_idx)) + 1) & 0x2) >> 1;

	pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd)\n",

	pr_alert("%s%s Tiny SRCU per-CPU(idx=%d): (%hd,%hd) gp: %hu->%hu\n",

		 tt, tf, idx,

		 data_race(READ_ONCE(ssp->srcu_lock_nesting[!idx])),

		 data_race(READ_ONCE(ssp->srcu_lock_nesting[idx])));

		 data_race(READ_ONCE(ssp->srcu_lock_nesting[idx])),

		 data_race(READ_ONCE(ssp->srcu_idx)),

		 data_race(READ_ONCE(ssp->srcu_idx_max)));

}



#endif