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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt14
1 files changed, 14 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 4a12805a5..66c1c879a 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -6157,6 +6157,11 @@ Kernel parameters
the number of CPUs. For example, -2 selects N
(the number of CPUs), -3 selects N+1, and so on.
+ rcutorture.nwriters= [KNL]
+ Set number of RCU writers, which must be either
+ zero or one. For additional writers, use instead
+ the rcutorture.nfakewriters parameter.
+
rcutorture.object_debug= [KNL]
Enable debug-object double-call_rcu() testing.
@@ -6246,6 +6251,15 @@ Kernel parameters
and stall_gp_kthread are specified, the
kthread is starved first, then the CPU.
+ rcutorture.stall_only= [KNL]
+ Shut off all rcutorture kthreads other than the
+ RCU CPU stall-warning test kthreads. The purpose
+ of this is to test production applictions'
+ reactions to CPU stalls, and with minimal
+ additional overhead. Or you can omit the
+ stall-warning tests as well and get a heavy
+ no-op, your choice!
+
rcutorture.stat_interval= [KNL]
Time (s) between statistics printk()s.