diff options
| author | Paul E. McKenney | 2015-05-14 17:29:51 -0700 |
|---|---|---|
| committer | Paul E. McKenney | 2015-07-15 14:43:09 -0700 |
| commit | 21b05de4c8fac08fff08cf84ef1d4fe5786f9608 (patch) | |
| tree | 217df585a7604a500c8390cb27dd8526098af991 /Documentation/kernel-parameters.txt | |
| parent | d770e558e21961ad6cfdf0ff7df0eb5d7d4f0754 (diff) | |
documentation: Bring rcutorture parameters up to date
This commit changes the documentation of the rcutorture parameters to
better match reality.
Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 35 |
1 files changed, 24 insertions, 11 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 1d6f0459cd7b..01b5b68a237a 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -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. |