Re: kernel 100% CPU

From: Graham Perrin <grahamperrin_at_gmail.com>
Date: Sun, 03 Sep 2023 16:02:56 UTC
On 02/09/2023 18:31, Mateusz Guzik wrote:
> On 9/2/23, Graham Perrin<grahamperrin@gmail.com> wrote:
>> … I began the trace /after/ the issue became observable.
>> Will it be more meaningful to begin a trace and then reproduce the issue
>> (before the trace ends)?
>>
>> …
> Looks like you have a lot of unrelated traffic in there.
>
> …

Instead, <https://mega.nz/folder/dQdgXK4K#Eb-uC02fT63eweQWWwD8TA> the 
two files from 09:21 this morning. Are these useful?

Before this run of DTrace, I quit Firefox and other applications that 
might be causing noise (and the OS has been restarted since my last run 
of poudriere-bulk(8)).

dtrace -x stackframes=100 -n 'profile-997 /arg0/ { @[stack()] = count(); 
} tick-60s { exit(0); }' -o out.kern_stacks