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| author | Oleksandr Natalenko <oleksandr@redhat.com> | 2019-10-02 14:46:10 +0300 |
|---|---|---|
| committer | Jonathan Corbet <corbet@lwn.net> | 2019-10-10 20:34:47 +0300 |
| commit | ca30ad857d903a2462b85bf83357becb668f0ad7 (patch) | |
| tree | ef39a2b0709d6cb8454c0344fc3d966590c8d58e /Documentation/admin-guide | |
| parent | ea882f75766c1831720078151c9ca2fdff557e89 (diff) | |
| download | linux-ca30ad857d903a2462b85bf83357becb668f0ad7.tar.xz | |
docs: admin-guide: fix printk_ratelimit explanation
The printk_ratelimit value accepts seconds, not jiffies (though it is
converted into jiffies internally). Update documentation to reflect
this.
Also, remove the statement about allowing 1 message in 5 seconds since
bursts up to 10 messages are allowed by default.
Finally, while we are here, mention default value for
printk_ratelimit_burst too.
Signed-off-by: Oleksandr Natalenko <oleksandr@redhat.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Diffstat (limited to 'Documentation/admin-guide')
| -rw-r--r-- | Documentation/admin-guide/sysctl/kernel.rst | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index 032c7cd3cede..6e0da29e55f1 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -831,8 +831,8 @@ printk_ratelimit: ================= Some warning messages are rate limited. printk_ratelimit specifies -the minimum length of time between these messages (in jiffies), by -default we allow one every 5 seconds. +the minimum length of time between these messages (in seconds). +The default value is 5 seconds. A value of 0 will disable rate limiting. @@ -845,6 +845,8 @@ seconds, we do allow a burst of messages to pass through. printk_ratelimit_burst specifies the number of messages we can send before ratelimiting kicks in. +The default value is 10 messages. + printk_devkmsg: =============== |