linux-kernel - Re: [PATCH v3] net/sched: adjust device watchdog timer to detect stopped queue at right time

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Date: Fri, 10 May 2024 03:50:29 +0000
From: patchwork-bot+netdevbpf@...nel.org
To: Praveen Kumar Kannoju <praveen.kannoju@...cle.com>
Cc: jhs@...atatu.com, xiyou.wangcong@...il.com, jiri@...nulli.us,
 davem@...emloft.net, netdev@...r.kernel.org, linux-kernel@...r.kernel.org,
 rajesh.sivaramasubramaniom@...cle.com, rama.nichanamatlu@...cle.com,
 manjunath.b.patil@...cle.com
Subject: Re: [PATCH v3] net/sched: adjust device watchdog timer to detect stopped
 queue at right time

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <kuba@...nel.org>:

On Wed,  8 May 2024 19:06:17 +0530 you wrote:
> Applications are sensitive to long network latency, particularly
> heartbeat monitoring ones. Longer the tx timeout recovery higher the
> risk with such applications on a production machines. This patch
> remedies, yet honoring device set tx timeout.
> 
> Modify watchdog next timeout to be shorter than the device specified.
> Compute the next timeout be equal to device watchdog timeout less the
> how long ago queue stop had been done. At next watchdog timeout tx
> timeout handler is called into if still in stopped state. Either called
> or not called, restore the watchdog timeout back to device specified.
> 
> [...]

Here is the summary with links:
  - [v3] net/sched: adjust device watchdog timer to detect stopped queue at right time
    https://git.kernel.org/netdev/net-next/c/33fb988b6705

You are awesome, thank you!
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