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Commit 21b05de4 authored by Paul E. McKenney's avatar Paul E. McKenney
Browse files

documentation: Bring rcutorture parameters up to date 



This commit changes the documentation of the rcutorture parameters to
better match reality.

Signed-off-by: default avatarPaul E. McKenney <paulmck@linux.vnet.ibm.com>
parent d770e558

Documentation/kernel-parameters.txt

+24 −11
Original line number Diff line number Diff line
@@ -3135,22 +3135,35 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
			in a given burst of a callback-flood test.



	rcutorture.fqs_duration= [KNL]

			Set duration of force_quiescent_state bursts.

			Set duration of force_quiescent_state bursts

			in microseconds.



	rcutorture.fqs_holdoff= [KNL]

			Set holdoff time within force_quiescent_state bursts.

			Set holdoff time within force_quiescent_state bursts

			in microseconds.



	rcutorture.fqs_stutter= [KNL]

			Set wait time between force_quiescent_state bursts.

			Set wait time between force_quiescent_state bursts

			in seconds.



	rcutorture.gp_cond= [KNL]

			Use conditional/asynchronous update-side

			primitives, if available.



	rcutorture.gp_exp= [KNL]

			Use expedited update-side primitives.

			Use expedited update-side primitives, if available.



	rcutorture.gp_normal= [KNL]

			Use normal (non-expedited) update-side primitives.

			If both gp_exp and gp_normal are set, do both.

			If neither gp_exp nor gp_normal are set, still

			do both.

			Use normal (non-expedited) asynchronous

			update-side primitives, if available.



	rcutorture.gp_sync= [KNL]

			Use normal (non-expedited) synchronous

			update-side primitives, if available.  If all

			of rcutorture.gp_cond=, rcutorture.gp_exp=,

			rcutorture.gp_normal=, and rcutorture.gp_sync=

			are zero, rcutorture acts as if is interpreted

			they are all non-zero.



	rcutorture.n_barrier_cbs= [KNL]

			Set callbacks/threads for rcu_barrier() testing.
@@ -3177,9 +3190,6 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
			Set time (s) between CPU-hotplug operations, or

			zero to disable CPU-hotplug testing.



	rcutorture.torture_runnable= [BOOT]

			Start rcutorture running at boot time.



	rcutorture.shuffle_interval= [KNL]

			Set task-shuffle interval (s).  Shuffling tasks

			allows some CPUs to go into dyntick-idle mode
@@ -3220,6 +3230,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. 
			Test RCU's dyntick-idle handling.  See also the

			rcutorture.shuffle_interval parameter.



	rcutorture.torture_runnable= [BOOT]

			Start rcutorture running at boot time.



	rcutorture.torture_type= [KNL]

			Specify the RCU implementation to test.