This commit adds the ->srcu_idx and ->srcu_max_idx fields to the Tiny
SRCU rcutorture output for additional diagnostics.
Signed-off-by: Paul E. McKenney <paulmck@xxxxxxxxxx>
---
include/linux/srcutiny.h | 6 ++++--
1 file changed, 4 insertions(+), 2 deletions(-)
diff --git a/include/linux/srcutiny.h b/include/linux/srcutiny.h
index 6cfaa0a9a9b96..4fcec6f5af908 100644
--- a/include/linux/srcutiny.h
+++ b/include/linux/srcutiny.h
@@ -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
--
2.31.1.189.g2e36527f23
