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| author | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2014-12-08 18:57:48 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@linux.vnet.ibm.com> | 2015-01-06 20:05:25 +0100 |
| commit | fc908ed33e7c1428f799abb12399f906da03b397 (patch) | |
| tree | 329342ea2dd85f88d6dae001790d5912342fd005 /Documentation/RCU | |
| parent | rcutorture: Add checks for stall ending before dump start (diff) | |
| download | linux-fc908ed33e7c1428f799abb12399f906da03b397.tar.xz linux-fc908ed33e7c1428f799abb12399f906da03b397.zip | |
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')
0 files changed, 0 insertions, 0 deletions