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srcu: Add grace-period number to rcutorture statistics printout

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This commit adds the SRCU grace-period number to the rcutorture statistics
printout, which allows it to be compared to the rcutorture "Writer stall
state" message.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2018-06-19 08:54:37 -07:00
parent 89b4cd4b9e
commit 52e17ba1d0
1 changed files with 2 additions and 1 deletions
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kernel/rcu/srcutree.c
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@ -1268,7 +1268,8 @@ void srcu_torture_stats_print(struct srcu_struct *sp, char *tt, char *tf)
unsigned long s0 = 0, s1 = 0;
idx = sp->srcu_idx & 0x1;
pr_alert("%s%s Tree SRCU per-CPU(idx=%d):", tt, tf, idx);
pr_alert("%s%s Tree SRCU g%ld per-CPU(idx=%d):",
tt, tf, rcu_seq_current(&sp->srcu_gp_seq), idx);
for_each_possible_cpu(cpu) {
unsigned long l0, l1;
unsigned long u0, u1;