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/

spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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spdx: The BSD-2-Clause-FreeBSD identifier is obsolete, drop -FreeBSD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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Consistently use __FBSDID("FreeBSD") for ids in usr.bin/procstat.

Submitted by: Juraj Lutter <juraj@lutter.sk>
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D26568

Merge ^/head r357662 through r357854.

Add procstat(1) sigfastblock command to show process sigfastblock word address.

Tested by: pho
Disscussed with: cem, emaste, jilles
Sponsored by: The FreeBSD Foundation
Differential revision: https:

Add procstat(1) sigfastblock command to show process sigfastblock word address.

Tested by: pho
Disscussed with: cem, emaste, jilles
Sponsored by: The FreeBSD Foundation
Differential revision: https://reviews.freebsd.org/D12773

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Merge r357260 from the clang1000-import branch:

Fix the following -Werror warning from clang 10.0.0 in procstat:

usr.bin/procstat/procstat_sigs.c:79:3: error: misleading indentation; statement is n

Merge r357260 from the clang1000-import branch:

Fix the following -Werror warning from clang 10.0.0 in procstat:

usr.bin/procstat/procstat_sigs.c:79:3: error: misleading indentation; statement is not part of the previous 'else' [-Werror,-Wmisleading-indentation]
xo_close_container(name);
^
usr.bin/procstat/procstat_sigs.c:77:4: note: previous statement is here
} else
^

The intent was to group the xo_close_container() call to the previous
snprintf() call.

MFC after: 3 days

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Fix the following -Werror warning from clang 10.0.0 in procstat:

usr.bin/procstat/procstat_sigs.c:79:3: error: misleading indentation; statement is not part of the previous 'else' [-Werror,-Wmislead

Fix the following -Werror warning from clang 10.0.0 in procstat:

usr.bin/procstat/procstat_sigs.c:79:3: error: misleading indentation; statement is not part of the previous 'else' [-Werror,-Wmisleading-indentation]
xo_close_container(name);
^
usr.bin/procstat/procstat_sigs.c:77:4: note: previous statement is here
} else
^

The intent was to group the xo_close_container() call to the previous
snprintf() call.

MFC after: 3 days

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various: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error

various: general adoption of SPDX licensing ID tags.

Mainly focus on files that use BSD 2-Clause license, however the tool I
was using misidentified many licenses so this was mostly a manual - error
prone - task.

The Software Package Data Exchange (SPDX) group provides a specification
to make it easier for automated tools to detect and summarize well known
opensource licenses. We are gradually adopting the specification, noting
that the tags are considered only advisory and do not, in any way,
superceed or replace the license texts.

No functional change intended.

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Merge ^/head r323559 through r325504.

MFhead@r324837

While here, diff reduce some of the changes in sys/boot by moving
MK_COVERAGE=no to sys/boot/Makefile.inc .

Switch procstat from subcommand flags to verbs

- Use an enumerated value instead of separate flags for commands
- Look for a verb if no command flag is set
- Lookup the "xocontainer" value based on

Switch procstat from subcommand flags to verbs

- Use an enumerated value instead of separate flags for commands
- Look for a verb if no command flag is set
- Lookup the "xocontainer" value based on the command
- Document the new command verbs in the man-page

Submitted by: kdrakehp@zoho.com
Differential Revision: https://reviews.freebsd.org/D10916

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Merge from head

Sponsored by: Gandi.net

Merge from head

Merge from head

Merge r286744-r287584 from head.

Merge ^/head r286858 through r287489.

Introduce libxo to procstat(1)

Reviewed by: rodrigc, bapt
Approved by: marcel (mentor)
Relnotes: yes
Sponsored by: ScaleEngine Inc.
Differential Revision: https://reviews.freebsd.org/D2446

Merge from head

IFC @ r254014

IFC @253398

Merge fresh head.

Use procstat_getprocs(3) for retrieving thread information instead of
direct sysctl calls.

MFC after: 1 month

MFC

- Commit work from libprocstat project. These patches add support for runtime
file and processes information retrieval from the running kernel via sysctl
in the form of new library, libprocstat.

- Commit work from libprocstat project. These patches add support for runtime
file and processes information retrieval from the running kernel via sysctl
in the form of new library, libprocstat. The library also supports KVM backend
for analyzing memory crash dumps. Both procstat(1) and fstat(1) utilities have
been modified to take advantage of the library (as the bonus point the fstat(1)
utility no longer need superuser privileges to operate), and the procstat(1)
utility is now able to display information from memory dumps as well.

The newly introduced fuser(1) utility also uses this library and able to operate
via sysctl and kvm backends.

The library is by no means complete (e.g. KVM backend is missing vnode name
resolution routines, and there're no manpages for the library itself) so I
plan to improve it further. I'm commiting it so it will get wider exposure
and review.

We won't be able to MFC this work as it relies on changes in HEAD, which
was introduced some time ago, that break kernel ABI. OTOH we may be able
to merge the library with KVM backend if we really need it there.

Discussed with: rwatson

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