rcu: Add more debug info on "kthread starved" RCU CPU stall warnings

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This commit adds grace number and command-flags information to the
"kthread starved" message that is sometimes printed out as part of
RCU CPU stall warnings.  This message is caused by the corresponding
RCU grace-period kthread not having run for at least two seconds, and
this added information can be helpful when debugging.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>

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Paul E. McKenney 2015-04-16 11:02:25 -07:00

parent 82efed06d5

commit 81e701e437

1 changed files with 3 additions and 2 deletions

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kernel/rcu/tree.c

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