On Di, 28.05.19 13:50, Wiktor Kwapisiewicz ([email protected]) wrote:
> Hi Zbyszek,
>
> On 28.05.2019 13:43, Zbigniew Jędrzejewski-Szmek wrote:
> > What kind of information are you after?
>
> One interesting statistic I'd like to see changing is the time when the
> watchdog was notified last.
>
> For example, there is Timeleft in this wdctl output [0]:
>
> # wdctl
> Identity: iTCO_wdt [version 0]
> Timeout: 30 seconds
> Timeleft: 2 seconds
>
> FLAG DESCRIPTION STATUS BOOT-STATUS
> KEEPALIVEPING Keep alive ping reply 0 0
> MAGICCLOSE Supports magic close char 0 0
> SETTIMEOUT Set timeout (in seconds) 0 0
>
The kernel devices are currently single-use only. Most of these fields
are exported via sysfs too however:
grep . /sys/class/watchdog/watchdog0/*
I think it might make sense if util-linux' wdctl would alternatively
use the sysfs API for querying these bits, it should be fairly easy to
add, please file a bug requesting that on util-linux github page!
Lennart
--
Lennart Poettering, Berlin
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