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Diffstat (limited to 'Documentation/RCU/torture.txt')
| -rw-r--r-- | Documentation/RCU/torture.txt | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/Documentation/RCU/torture.txt b/Documentation/RCU/torture.txt index 2174badd31e0..2180ef93accc 100644 --- a/Documentation/RCU/torture.txt +++ b/Documentation/RCU/torture.txt @@ -28,6 +28,15 @@ nreaders This is the number of RCU reading threads supported. To properly exercise RCU implementations with preemptible read-side critical sections. +nfakewriters This is the number of RCU fake writer threads to run. Fake + writer threads repeatedly use the synchronous "wait for + current readers" function of the interface selected by + torture_type, with a delay between calls to allow for various + different numbers of writers running in parallel. + nfakewriters defaults to 4, which provides enough parallelism + to trigger special cases caused by multiple writers, such as + the synchronize_srcu() early return optimization. + stat_interval The number of seconds between output of torture statistics (via printk()). Regardless of the interval, statistics are printed when the module is unloaded. |