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documentation: Bring rcutorture parameters up to date

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

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
This commit is contained in:
Paul E. McKenney 2015-05-14 17:29:51 -07:00
parent d770e558e2
commit 21b05de4c8
1 changed files with 24 additions and 11 deletions
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35
Documentation/kernel-parameters.txt
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@ -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.