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Message-Id: <20250714-docs_ratelimit-v1-1-51a6d9071f1a@debian.org> Date: Mon, 14 Jul 2025 05:06:27 -0700 From: Breno Leitao <leitao@...ian.org> To: Jonathan Corbet <corbet@....net> Cc: paulmck@...nel.org, pmladek@...e.com, rostedt@...dmis.org, john.ogness@...utronix.de, senozhatsky@...omium.org, linux-doc@...r.kernel.org, linux-kernel@...r.kernel.org, Breno Leitao <leitao@...ian.org> Subject: [PATCH] docs: kernel: Clarify printk_ratelimit_burst reset behavior Add clarification that the printk_ratelimit_burst window resets after printk_ratelimit seconds have elapsed, allowing another burst of messages to be sent. This helps users understand that the rate limiting is not permanent but operates in periodic windows. Signed-off-by: Breno Leitao <leitao@...ian.org> --- Documentation/admin-guide/sysctl/kernel.rst | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst index a43b78b4b6464..6f8d3935147da 100644 --- a/Documentation/admin-guide/sysctl/kernel.rst +++ b/Documentation/admin-guide/sysctl/kernel.rst @@ -1099,7 +1099,8 @@ printk_ratelimit_burst While long term we enforce one message per `printk_ratelimit`_ 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. +send before ratelimiting kicks in. After `printk_ratelimit`_ seconds +have elapsed, another burst of messages may be sent. The default value is 10 messages. --- base-commit: 0907e7fb35756464aa34c35d6abb02998418164b change-id: 20250714-docs_ratelimit-8f4a30f29908 Best regards, -- Breno Leitao <leitao@...ian.org>
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