rcu-tasks: Make rcutorture writer stall output include GP state

This commit adds grace-period state and time to the rcutorture writer
stall output.

Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
This commit is contained in:
Paul E. McKenney 2020-03-16 12:13:33 -07:00
commit af051ca4e4