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-rw-r--r--Documentation/admin-guide/kernel-parameters.txt6
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index aa453f9202d8..5ac69d8549f9 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -5113,6 +5113,12 @@
rcupdate.rcu_cpu_stall_timeout to be used (after
conversion from seconds to milliseconds).
+ rcupdate.rcu_cpu_stall_cputime= [KNL]
+ Provide statistics on the cputime and count of
+ interrupts and tasks during the sampling period. For
+ multiple continuous RCU stalls, all sampling periods
+ begin at half of the first RCU stall timeout.
+
rcupdate.rcu_exp_stall_task_details= [KNL]
Print stack dumps of any tasks blocking the
current expedited RCU grace period during an