Remove residual blank line at start of Makefile

This is a residual of the $FreeBSD$ removal.

MFC After: 3 days (though I'll just run the command on the branches)
Sponsored by: Netflix

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a pe

usr.bin: Remove ancient SCCS tags.

Remove ancient SCCS tags from the tree, automated scripting, with two
minor fixup to keep things compiling. All the common forms in the tree
were removed with a perl script.

Sponsored by: Netflix

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Remove $FreeBSD$: one-line sh pattern

Remove /^\s*#[#!]?\s*\$FreeBSD\$.*$\n/

vmstat(1): various nits

Continue my parade on introspection tools by fixing:
- failed to check for null after reallocf
- avoid the comma operator
- mark usage as dead
- correct size of len

Merge ^/head r327624 through r327885.

vmstat(8): Hook up NetBSD tests

The NetBSD tests for vmstat are basically just a smoke test, ensuring that
executing `vmstat` and `vmstat -s` exit successfully. This is more than we
test now, so go

vmstat(8): Hook up NetBSD tests

The NetBSD tests for vmstat are basically just a smoke test, ensuring that
executing `vmstat` and `vmstat -s` exit successfully. This is more than we
test now, so go with it.

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vmstat: fix style(9) violations and bump WARNS.

Based on the patch by: Pawel Biernacki <pawel.biernacki@gmail.com>
Sponsored by: Mysterious Code Ltd. (Pawel),
The FreeBSD Foundation (me)
MFC afte

vmstat: fix style(9) violations and bump WARNS.

Based on the patch by: Pawel Biernacki <pawel.biernacki@gmail.com>
Sponsored by: Mysterious Code Ltd. (Pawel),
The FreeBSD Foundation (me)
MFC after: 1 week
Differential revision: https://reviews.freebsd.org/D13228

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MFH r289384-r293170

Sponsored by: The FreeBSD Foundation

Catch up with head.

Convert vmstat to use libxo.

This patch was based on this patch:
https://github.com/Juniper/libxo/blob/master/patches/vmstat.patch

by Phil Shafer at Juniper Networks, but updated to the latest
vmst

Convert vmstat to use libxo.

This patch was based on this patch:
https://github.com/Juniper/libxo/blob/master/patches/vmstat.patch

by Phil Shafer at Juniper Networks, but updated to the latest
vmstat code.

Reviewed by: allanjude
Differential Revision: https://reviews.freebsd.org/D3935

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Merge sync of head

Reintegrate head: r274132-r277384

Sponsored by: The FreeBSD Foundation

Reintegrate head revisions r273096-r277147

Sponsored by: The FreeBSD Foundation

MFHead @ r275232

r274961 through r275075

Convert to usr.bin/ to LIBADD
Reduce overlinking

Check in first src/tests snapshot from NetBSD anoncvs

Sources were obtained like so:

% export CVSROOT="anoncvs@anoncvs.NetBSD.org:/cvsroot"
% cvs -z9 co -D "09/30/2014 20:45" -P src/tests
% mv src/

Check in first src/tests snapshot from NetBSD anoncvs

Sources were obtained like so:

% export CVSROOT="anoncvs@anoncvs.NetBSD.org:/cvsroot"
% cvs -z9 co -D "09/30/2014 20:45" -P src/tests
% mv src/tests/* tests/dist/.

'*CVS*' has been added to svn:ignore to ease updating periodically from
upstream

Some line ending issues had to be resolved with test outputs and scripts
via dos2unix and by deleting the eol-style property set in usr.bin/sort

Discussed with: rpaulo
Sponsored by: EMC / Isilon Storage Division

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IFH@204581

Merge from head at r201628.

# This hasn't been tested, and there are at least three bad commits
# that need to be backed out before the branch will be stable again.

Build usr.bin/ with WARNS=6 by default.

Also add some missing $FreeBSD$ to keep svn happy.

Add the -H, -h and -P flags to vmstat. -P causes per-cpu output of
user/system/idle stats. -h feeds the memory column through
humanize_number() to reduce the amount of column overflowing. -H turns

Add the -H, -h and -P flags to vmstat. -P causes per-cpu output of
user/system/idle stats. -h feeds the memory column through
humanize_number() to reduce the amount of column overflowing. -H turns
this off. -h is turned on by default if stdout is a tty.

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Teach vmstat -m and vmstat -z to use libmemstat(3). Certain
statistics from -z are now a bit different due to changes in the
way statistics are now measured. Reproduce with some amount of
accuracy

Teach vmstat -m and vmstat -z to use libmemstat(3). Certain
statistics from -z are now a bit different due to changes in the
way statistics are now measured. Reproduce with some amount of
accuracy the slightly obscure layouts adopted by the two kernel
sysctls. In the future, we might want to normalize them.

GC dosysctl(), which is now no longer used.

MFC after: 1 week

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Put libdevstat before libkvm, because the former depends on the latter.

Finish the transition from libkvm to sysctl that I started a while ago.
The use of libkvm for post-mortem analysis is still supported (though it
could use more testing). We can now remove vmstat's s

Finish the transition from libkvm to sysctl that I started a while ago.
The use of libkvm for post-mortem analysis is still supported (though it
could use more testing). We can now remove vmstat's setgid bit.

While I'm here, hack the interrupt listing code to not display interrupts
that haven't occurred unless the -a option was given on the command line,
and document this change.

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Remove NO_WERRORs and WARNS=n's. To be revisited after GCC3.