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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-12-08 09:57:48 -0800 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-01-06 11:05:25 -0800 |
| commit | fc908ed33e7c1428f799abb12399f906da03b397 (patch) | |
| tree | 329342ea2dd85f88d6dae001790d5912342fd005 /Documentation/RCU/stallwarn.txt | |
| parent | e9408e4f278875aa5862560b4b425b27dfcb643f (diff) | |
rcu: Make RCU_CPU_STALL_INFO include number of fqs attempts
One way that an RCU CPU stall warning can happen is if the grace-period
kthread is not allowed to execute. One proxy for this kthread's
forward progress is the number of force-quiescent-state (fqs) scans.
This commit therefore adds the number of fqs scans to the RCU CPU stall
warning printouts when CONFIG_RCU_CPU_STALL_INFO=y.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/RCU/stallwarn.txt')
0 files changed, 0 insertions, 0 deletions