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| author | Paul E. McKenney <paulmck@kernel.org> | 2020-11-15 19:24:52 +0100 |
|---|---|---|
| committer | Paul E. McKenney <paulmck@kernel.org> | 2021-01-07 02:08:09 +0100 |
| commit | e76506f0e85129d726c487c873a2245c92446515 (patch) | |
| tree | d0faf8f967b063a9b29e7f66b65f5118b20118be /Documentation | |
| parent | scftorture: Add debug output for wrong-CPU warning (diff) | |
| download | linux-e76506f0e85129d726c487c873a2245c92446515.tar.xz linux-e76506f0e85129d726c487c873a2245c92446515.zip | |
refscale: Allow summarization of verbose output
The refscale test prints enough per-kthread console output to provoke RCU
CPU stall warnings on large systems. This commit therefore allows this
output to be summarized. For example, the refscale.verbose_batched=32
boot parameter would causes only every 32nd line of output to be logged.
Signed-off-by: Paul E. McKenney <paulmck@kernel.org>
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/admin-guide/kernel-parameters.txt | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt index c722ec19cd00..3244f9e04a64 100644 --- a/Documentation/admin-guide/kernel-parameters.txt +++ b/Documentation/admin-guide/kernel-parameters.txt @@ -4557,6 +4557,12 @@ refscale.verbose= [KNL] Enable additional printk() statements. + refscale.verbose_batched= [KNL] + Batch the additional printk() statements. If zero + (the default) or negative, print everything. Otherwise, + print every Nth verbose statement, where N is the value + specified. + relax_domain_level= [KNL, SMP] Set scheduler's default relax_domain_level. See Documentation/admin-guide/cgroup-v1/cpusets.rst. |