DF-3000 scenario suite on the instrumented kernel
(DragonFly 6.5-DEVELOPMENT #2: Sat Sep  5 01:44:36 UTC 2026, probe verified
in kernel.stripped; HAMMER1 at /mnt/h1; run as unprivileged user maxx)

== A: /tmp/op3000 /mnt/h1/t3000a.bin 1048576
dirtying done, msync...
msync: OK
done

== B: /tmp/op3000b /mnt/h1/t3000b.bin /churn.bin
pages dirtied (1 per 16K block)
churned 256 MB
madvise DONTNEED done
msync(MS_SYNC)...
msync: OK
done

== C: /tmp/op3000c /mnt/h1/t3000c.bin
physmem = 4060 MiB
all pages dirtied (1056768 bytes)
anon pressure 3045 MiB touched
msync(MS_SYNC) [putpages]...
msync: OK
done

== D: /tmp/op3000d /mnt/h1/t3000d.bin /mnt/h1/churn1.bin
churn pass: 31457280 bytes
round 0..7: msync(MS_SYNC) putpages... (all returned)
done, no panic

== E: /tmp/op3000e /mnt/h1/t3000e.bin
sparse pages dirtied; launching pressure children
msync(MS_SYNC) putpages...
msync: OK
done, no panic

# dmesg | grep -c DF3000-PROBE
0