rcu-tasks: Maintain a count of tasks blocking RCU Tasks Trace grace period

This commit maintains a new n_trc_holdouts counter that tracks the number
of tasks blocking the RCU Tasks grace period.  This counter is useful
for debugging, and its value has been added to a diagostic message.

Signed-off-by: Paul E. McKenney <[email protected]>
Cc: Neeraj Upadhyay <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Alexei Starovoitov <[email protected]>
Cc: Andrii Nakryiko <[email protected]>
Cc: Martin KaFai Lau <[email protected]>
Cc: KP Singh <[email protected]>

0 files changed, 0 insertions, 0 deletions