usr.bin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

R

usr.bin: Automated cleanup of cdefs and other formatting

Apply the following automated changes to try to eliminate
no-longer-needed sys/cdefs.h includes as well as now-empty
blank lines in a row.

Remove /^#if.*\n#endif.*\n#include\s+<sys/cdefs.h>.*\n/
Remove /\n+#include\s+<sys/cdefs.h>.*\n+#if.*\n#endif.*\n+/
Remove /\n+#if.*\n#endif.*\n+/
Remove /^#if.*\n#endif.*\n/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/types.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/param.h>/
Remove /\n+#include\s+<sys/cdefs.h>\n#include\s+<sys/capsicum.h>/

Sponsored by: Netflix

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Remove $FreeBSD$: one-line .c pattern

Remove /^[\s*]*__FBSDID\("\$FreeBSD\$"\);?\s*\n/

systat: Chase 70ea484e3ec5, removing vdev_cache

As of 70ea484e3ec5 vdev_cache has been removed. Stop reporting on it.
Without this systat reports:

sysctl(kstat.zfs.misc.vdev_cache_stats.misses...)

systat: Chase 70ea484e3ec5, removing vdev_cache

As of 70ea484e3ec5 vdev_cache has been removed. Stop reporting on it.
Without this systat reports:

sysctl(kstat.zfs.misc.vdev_cache_stats.misses...) failed:
No such file or directory

Reviewed by: mav
Differential Revision: https://reviews.freebsd.org/D40742

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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD

The SPDX folks have obsoleted the BSD-2-Clause-FreeBSD identifier. Catch
up to that fact and revert to their recommended match of BSD-2-Clause.

Discussed with: pfg
MFC After: 3 days
Sponsored by: Netflix

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Clean up copyright messages.

Reported by: Yoshihiro Ota
MFC after: 3 days
Differential Revision: https://reviews.freebsd.org/D29354

Patch systat -zarc to display cumulative rate and round down large numbers by SI units

PR: 237664
Submitted by: ota@j.email.ne.jp
MFC after: 2 weeks

MFHead@r345880

systat -zarc to display disk activities like -vm

PR: 213310
Submitted by: ota
MFH: 4 weeks
Differential Revision: https://reviews.freebsd.org/D18726

Merge ^/head r340235 through r340367.

Fix printing of 64-bit counters on 32-bit ppc platforms.

Several statistic counters are uint64_t values and are printed by systat
using %lu. This results in displaying wrong numbers. Use PRIu64 inst

Fix printing of 64-bit counters on 32-bit ppc platforms.

Several statistic counters are uint64_t values and are printed by systat
using %lu. This results in displaying wrong numbers. Use PRIu64 instead.
While there, print variables of size_t using %zd.

MFC after:i 3 days
Differential Revision: https://reviews.freebsd.org/D17838

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Merge ^/head r314420 through r314481.

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is

Renumber copyright clause 4

Renumber cluase 4 to 3, per what everybody else did when BSD granted
them permission to remove clause 3. My insistance on keeping the same
numbering for legal reasons is too pedantic, so give up on that point.

Submitted by: Jan Schaumann <jschauma@stevens.edu>
Pull Request: https://github.com/freebsd/freebsd/pull/96

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Merge from head

Sponsored by: Gandi.net

Merge from head

Merge ^/head r288197 through r288456.

Merge from head

Sync up with head (up to r288341).

Add support to systat to display zfs arc cache status/info

PR: 195460
Submitted by: ota