[Bug 228802] [aarch64] network throughput regression in 12.0-CURRENT

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Mon Jun 11 10:52:53 UTC 2018


https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=228802

--- Comment #16 from Eugene Grosbein <eugen at freebsd.org> ---
Unified diff for dmesg.boot files is still useful and lack of it won't make it
easier to understand the problem for an arm64 developer.

Interrupts are assigned in very different ways for those revisions. Are there
exactly same pieces of hardware used?

We still need "vmstat -ai" output for same volume of data transferred. Make
10MB file or so and repeate the test, please.

Does r334436 have any problems with time management, e.g. too slow wall clock?

Can you start ntpd, wait for 20-60 minutes then show contents of drift file
/var/db/ntpd.drift ?

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