netdev - Re: [iproute2-next v3] devlink: display elapsed time during flash update

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Message-ID: <20201015171133.GA46013@nanopsycho.orion>
Date:   Thu, 15 Oct 2020 19:11:33 +0200
From:   Jiri Pirko <jiri@...nulli.us>
To:     Jacob Keller <jacob.e.keller@...el.com>
Cc:     netdev@...r.kernel.org, Shannon Nelson <snelson@...sando.io>,
        David Ahern <dsahern@...il.com>
Subject: Re: [iproute2-next v3] devlink: display elapsed time during flash
 update

Thu, Oct 15, 2020 at 12:31:04AM CEST, jacob.e.keller@...el.com wrote:
>For some devices, updating the flash can take significant time during
>operations where no status can meaningfully be reported. This can be
>somewhat confusing to a user who sees devlink appear to hang on the
>terminal waiting for the device to update.
>
>Recent changes to the kernel interface allow such long running commands
>to provide a timeout value indicating some upper bound on how long the
>relevant action could take.
>
>Provide a ticking counter of the time elapsed since the previous status
>message in order to make it clear that the program is not simply stuck.
>
>Display this message whenever the status message from the kernel
>indicates a timeout value. Additionally also display the message if
>we've received no status for more than couple of seconds. If we elapse
>more than the timeout provided by the status message, replace the
>timeout display with "timeout reached".
>
>Signed-off-by: Jacob Keller <jacob.e.keller@...el.com>

Reviewed-by: Jiri Pirko <jiri@...dia.com>