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Message-ID: <8cae5358-d1f3-4e86-950f-bb72a940ed3f@infradead.org>
Date: Mon, 19 Feb 2024 08:00:52 -0800
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Subject: Re: [PATCH] workqueue: Control the frequency of intensive warning
 through cmdline
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To: Xuewen Yan <xuewen.yan@unisoc.com>, tj@kernel.org,
 jiangshanlai@gmail.com, corbet@lwn.net
Cc: paulmck@kernel.org, peterz@infradead.org, yanjiewtw@gmail.com,
 linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, ke.wang@unisoc.com,
 xuewen.yan94@gmail.com
References: <20240219074634.2039-1-xuewen.yan@unisoc.com>
From: Randy Dunlap <rdunlap@infradead.org>
In-Reply-To: <20240219074634.2039-1-xuewen.yan@unisoc.com>
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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