Re: [PATCH] workqueue: Control the frequency of intensive warning through cmdline

Randy Dunlap
2024-02-19T16:00:59Z

On 2/18/24 23:46, Xuewen Yan wrote:
> diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
> index 31b3a25680d0..599fc59fcf70 100644
> --- a/Documentation/admin-guide/kernel-parameters.txt
> +++ b/Documentation/admin-guide/kernel-parameters.txt
> @@ -7225,6 +7225,15 @@
> threshold repeatedly. They are likely good
> candidates for using WQ_UNBOUND workqueues instead.
>
> + workqueue.cpu_intensive_warning_per_count=

workqueue.cpu_intensive_warning_per_count=<uint>
or
<integer>

> + If CONFIG_WQ_CPU_INTENSIVE_REPORT is set, the kernel
> + will report the work functions which violate the
> + intensive_threshold_us repeatedly. In order to prevent
> + the kernel log from being printed too frequently.

frequently,
control

> + Control the frequency.
> +
> + Default, it will print one warning per 4 times.

By default,

> +

--
#Randy