linux-kernel - Re: [RFC PATCH 27/30] Code tagging based latency tracking

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Message-ID: <241c05a3-52a2-d49f-6962-3af5a94bc3fc@infradead.org>
Date:   Tue, 30 Aug 2022 18:53:26 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     Suren Baghdasaryan <surenb@...gle.com>, akpm@...ux-foundation.org
Cc:     kent.overstreet@...ux.dev, mhocko@...e.com, vbabka@...e.cz,
        hannes@...xchg.org, roman.gushchin@...ux.dev, mgorman@...e.de,
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        linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH 27/30] Code tagging based latency tracking



On 8/30/22 14:49, Suren Baghdasaryan wrote:
> diff --git a/lib/Kconfig.debug b/lib/Kconfig.debug
> index b7d03afbc808..b0f86643b8f0 100644
> --- a/lib/Kconfig.debug
> +++ b/lib/Kconfig.debug
> @@ -1728,6 +1728,14 @@ config LATENCYTOP
>  	  Enable this option if you want to use the LatencyTOP tool
>  	  to find out which userspace is blocking on what kernel operations.
>  
> +config CODETAG_TIME_STATS
> +	bool "Code tagging based latency measuring"
> +	depends on DEBUG_FS
> +	select TIME_STATS
> +	select CODE_TAGGING
> +	help
> +	  Enabling this option makes latency statistics available in debugfs

Missing period at the end of the sentence.

-- 
~Randy