From: Jakub Kicinski <kuba@kernel.org>
To: Yajun Deng <yajun.deng@linux.dev>
Cc: jhs@mojatatu.com, xiyou.wangcong@gmail.com, jiri@resnulli.us,
davem@davemloft.net, edumazet@google.com, pabeni@redhat.com,
netdev@vger.kernel.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH] net: sched: print jiffies when transmit queue time out
Date: Wed, 19 Apr 2023 18:27:13 -0700 [thread overview]
Message-ID: <20230419182713.2cd1f81b@kernel.org> (raw)
In-Reply-To: <20230419115632.738730-1-yajun.deng@linux.dev>
On Wed, 19 Apr 2023 19:56:32 +0800 Yajun Deng wrote:
> Although there is watchdog_timeo to let users know when the transmit queue
> begin stall, but dev_watchdog() is called with an interval. The jiffies
> will always be greater than watchdog_timeo.
>
> To let users know the exact time the stall started, print jiffies when
> the transmit queue time out.
Please add an explanation of how this information is useful in practice.
next prev parent reply other threads:[~2023-04-20 1:27 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-04-19 11:56 [PATCH] net: sched: print jiffies when transmit queue time out Yajun Deng
2023-04-19 12:02 ` Eric Dumazet
2023-04-20 2:49 ` Yajun Deng
2023-04-20 1:27 ` Jakub Kicinski [this message]
2023-04-20 2:17 ` Yajun Deng
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