cam/iosched: Document latency buckets correctly.
Document how latency buckets are actually computed: They are a doubling
from 20us to 10.485s by default, but based at
kern.cam.iosched.bucket_base_us and increase with a ratio of
kern.cam.iosched.bucket_ration / 100 from one to the next.
Sponsored by: Netflix
Revert "Make WITHOUT_UNDEFINED_VERSION the default"
This is causing failures on gcc13 CI builds so those need to be fixed
or worked around.
This reverts commit 4510f2ca9170927309a423274e03f1eb8e27da27.
nvmecontrol: Allow optional /dev/ for device names
nvmecontrol operates on devices. Allow a user to specify the /dev/ if
they want. Any device that starts with / will be treated as if it was a
full path for maximum flexbility.
Sponsored by: Netflix
date: Add support for nanoseconds
This patch introduces support for a conversion specification for
nanoseconds.
The format of %N is meant to be compatible with that of GNU date.
The nanoseconds conversion specification is implemented directly in
date(1) instead of libc (in strftime(3)) to avoid introducing
non-standard functions to libc at this time and modifying struct tm.
Apart from introducing the nanoseconds conversion specification, this
patch brings the following changes:
- The "ns" format for ISO 8061 dates is now unlocked. E.g., date -Ins
prints:
2024-04-22T12:20:28,763742224+02:00
- The -r flag when fed a file is now aware of the nanosecond part of the last
modification time.
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date: Fix tests by initializing timespec structure
The tests related to nanosecond support were failing on amd64 due to
uninitialized timespec structure.
Fixes: eeb04a736cb9 date: Add support for nanoseconds
Reviewed by: markj
Sponsored by: Klara, Inc.
Differential Revision: https://reviews.freebsd.org/D44975
(cherry picked from commit 7b390cb636899582243e4daa8edbdb30d686d9fb)
