Date: Sun, 3 Sep 2023 18:37:57 +0100 From: Graham Perrin <grahamperrin@gmail.com> To: FreeBSD CURRENT <freebsd-current@freebsd.org> Subject: Re: kernel 100% CPU Message-ID: <5528e510-2d79-ebc9-b3f4-79d5fb80f38f@gmail.com> In-Reply-To: <CAGudoHFZUXcmM6DdnkWHAsxfjF5DVnjE5YT5mPA%2Bjjs12-JGzg@mail.gmail.com> References: <95e9f65b-58c4-ef3a-a5d1-b794179e4252@gmail.com> <CAGudoHG%2B4wT-MCP=zE4VqdJYJwTKSLf8GfARvQbGwKZw%2Bz8F_g@mail.gmail.com> <d2e5951a-7c6c-f450-eacc-d8e4f6446118@gmail.com> <CAGudoHEhNG2e2J7Cb2w0EKZ7p_cdq0hie_s67AHCj7x8hfw8SA@mail.gmail.com> <23c596e7-d710-c17d-a4e7-b21c99a4fe00@gmail.com> <CAGudoHFZUXcmM6DdnkWHAsxfjF5DVnjE5YT5mPA%2Bjjs12-JGzg@mail.gmail.com>
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On 03/09/2023 17:55, Mateusz Guzik wrote: > On 9/3/23, Graham Perrin <grahamperrin@gmail.com> wrote: >> 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 >> > Post your "sysctl -a" somewhere. > sysctl-a-2023-09-03-18-22.txt added to the MEGA folder is complete, including TSLOG-related lines. Alternatively, tslog under <https://bsd-hardware.info/?probe=d240fba8b7#Logs>; is automatically pruned to exclude such lines. Hopefully not excessively pruned. TSLOG is one of three things in a Git stash that I apply before most builds, <https://reviews.freebsd.org/P601>.
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