Re: kworker leftovers

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On Fri, 2022-09-23 at 09:32 -0700, Geoffrey Leach wrote:
> Fedora 35, not fully up-to-date
> 
> I run a SiliconDust tuner that converts OTA TV to mp2, which I'm then
> able to play back using mplayer. An hard-wired ethernet connection is
> used between the tuner and the main CPU.
> 
> I notice that there are leftover kworker processes. They are mostly
> idle
> and only a few have non-zero time, and then at most only a couple of
> seconds.
> 
> For example, 
>   87547 ?        I      0:00 [kworker/u16:1-phy0]
>   87554 ?        I      0:00 [kworker/7:2-events]
>   87555 ?        I      0:00 [kworker/5:2-events]
>   87556 ?        I      0:00 [kworker/u16:2-btrfs-endio-write]
>   87557 ?        I      0:00 [kworker/u16:3-btrfs-delalloc]
>   87558 ?        I      0:00 [kworker/u16:5-btrfs-endio-write]
>   87559 ?        I      0:00 [kworker/u16:7-events_unbound]
>   87560 ?        I      0:00 [kworker/u16:9-btrfs-freespace-write]
>   87561 ?        I      0:00 [kworker/u16:10]
>   87626 ?        I<     0:00 [kworker/u17:1]
> 
> The leftover processes seem to vanish when the system is suspended.
> 
> Should I be concerned? In particular,  I was not aware that I had
> installed the btrfs filesystem.

I assume this was posted by mistake, since you already had a reply to a
similar (or possibly identical message) a few days ago.

poc
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