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Diffstat (limited to 'Documentation/admin-guide/kernel-parameters.txt')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index f2a93c8679e8..828ff975fbc6 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4210,12 +4210,24 @@ Duration of CPU stall (s) to test RCU CPU stall warnings, zero to disable. + rcutorture.stall_cpu_block= [KNL] + Sleep while stalling if set. This will result + in warnings from preemptible RCU in addition + to any other stall-related activity. + rcutorture.stall_cpu_holdoff= [KNL] Time to wait (s) after boot before inducing stall. rcutorture.stall_cpu_irqsoff= [KNL] Disable interrupts while stalling if set. + rcutorture.stall_gp_kthread= [KNL] + Duration (s) of forced sleep within RCU + grace-period kthread to test RCU CPU stall + warnings, zero to disable. If both stall_cpu + and stall_gp_kthread are specified, the + kthread is starved first, then the CPU. + rcutorture.stat_interval= [KNL] Time (s) between statistics printk()s. @@ -4286,6 +4298,13 @@ only normal grace-period primitives. No effect on CONFIG_TINY_RCU kernels. + rcupdate.rcu_task_ipi_delay= [KNL] + Set time in jiffies during which RCU tasks will + avoid sending IPIs, starting with the beginning + of a given grace period. Setting a large + number avoids disturbing real-time workloads, + but lengthens grace periods. + rcupdate.rcu_task_stall_timeout= [KNL] Set timeout in jiffies for RCU task stall warning messages. Disable with a value less than or equal |