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Dimitry Andric 54ff5d7323 Add a SUBDIR_PARALLEL option to bsd.subdir.mk, to allow make to process 
all the SUBDIR entries in parallel, instead of serially.  Apply this
option to a selected number of Makefiles, which can greatly speed up the
build on multi-core machines, when using make -j.

This can be extended to more Makefiles later on, whenever they are
verified to work correctly with parallel building.

I tested this on a 24-core machine, with make -j48 buildworld (N = 6):

                before    stddev       after    stddev
                =======   ======       =======  ======
real time        1741.1     16.5         959.8     2.7
user time       12468.7     16.4       14393.0    16.8
sys  time        1825.0     54.8        2110.6    22.8

(user+sys)/real     8.2                   17.1

E.g. the build was approximately 45% faster in real time.  On machines
with less cores, or with lower -j settings, the speedup will not be as
impressive.  But at least you can now almost max out a machine with
buildworld!

Submitted by:	jilles
MFC after:	2 weeks
2014-03-26 22:30:38 +00:00
..
adjkerntz
Revert r253748,253749
2013-07-28 18:44:17 +00:00
atm
In sbin/atm/atmconfig/diag.c, fix a few warnings about format strings
2011-12-17 00:26:45 +00:00
badsect
Add missing static keywords for global variables to tools in sbin/.
2011-11-04 13:36:02 +00:00
bsdlabel
Sweep man pages replacing ad -> ada.
2013-10-01 18:41:53 +00:00
camcontrol
Replace several instances of -1 with appropriate CAM_*_WILDCARD and types.
2014-01-10 12:18:05 +00:00
casperd
Fix statically-linked build (WITHOUT_DYNAMICROOT).
2014-03-16 13:43:06 +00:00
ccdconfig
Sweep man pages replacing ad -> ada.
2013-10-01 18:41:53 +00:00
clri
…
comcontrol
A number of places in the source tree still reference cuad.* after
2012-12-08 22:16:36 +00:00
conscontrol
Changed "conscontrol unset" to accept an existing virtual
2011-04-18 20:28:07 +00:00
ddb
remove duplicate semicolons where possible.
2012-10-22 03:00:37 +00:00
devd
Revert r263694, and apply a better fix to squelch unnecessary warnings
2014-03-26 19:31:33 +00:00
devfs
Clarify how "hide" and "unhide" commands work on directories.
2013-07-12 06:03:25 +00:00
dhclient
Update most userspace consumers of capability.h to use capsicum.h instead.
2014-03-16 11:04:44 +00:00
dmesg
Move the check whether the clear flag is set. This has 2 advantages
2013-06-11 17:46:32 +00:00
dump
Mark non-returning function as such
2012-11-29 05:16:50 +00:00
dumpfs
When running the -m option to generate a newfs(8) command suitable for
2013-05-16 20:07:08 +00:00
dumpon
Adapt to the fact that minidumps are now on by default.
2013-04-30 07:22:03 +00:00
etherswitchcfg
Add a license (1) and do some cleanup.
2014-02-04 22:20:17 +00:00
fdisk
Fix fdisk(8) to create 2TB partitions on disks larger than 2TB, rather than
2013-11-27 17:59:13 +00:00
fdisk_pc98
Change <sys/diskpc98.h> to not redefine the same symbols that are
2013-08-07 00:00:48 +00:00
ffsinfo
Cross-reference gvinum(8) instead of vinum(8).
2013-03-16 22:02:47 +00:00
fsck
Make fsck and fsck_msdosfs WARNS=6 clean
2012-10-21 12:01:19 +00:00
fsck_ffs
Avoid segment fault when attempting to clean up cylinder group
2014-03-12 01:28:21 +00:00
fsck_msdosfs
Print a newline after the error message.
2012-11-03 09:18:37 +00:00
fsdb
Add globs.c to the build now that it's a separate file.
2013-12-30 01:17:05 +00:00
fsirand
Fix sbin/ build with a 64-bit ino_t.
2012-09-27 23:31:06 +00:00
gbde
Sweep man pages replacing ad -> ada.
2013-10-01 18:41:53 +00:00
geom
Check if the given argument to 'gpart add' is actually a geom device and
2014-01-09 20:06:14 +00:00
ggate
Fix warnings found by -Wmising-variable-declarations.
2012-10-19 05:43:38 +00:00
growfs
Migrate tools/regression/sbin/ to the new tests layout.
2014-03-16 02:07:08 +00:00
gvinum
Prevent an unlikely, but real double free issue in gvinum(8).
2013-10-15 21:04:46 +00:00
hastctl
Make hastctl list command output current queue sizes.
2013-10-26 08:38:21 +00:00
hastd
Update most userspace consumers of capability.h to use capsicum.h instead.
2014-03-16 11:04:44 +00:00
ifconfig
Add several ATF tests that deal with multiple fibs. They're described in
2014-03-20 20:39:41 +00:00
init
init: Remove code to track line numbers in /etc/ttys.
2014-02-08 13:51:15 +00:00
ipf
Update ipfilter 4.1.28 --> 5.1.2.
2013-09-06 23:11:19 +00:00
ipfw
Fix world build WITHOUT_PF.
2014-02-12 09:59:48 +00:00
iscontrol
Reword the part about mutual CHAP.
2013-12-17 10:33:27 +00:00
kldconfig
kldconfig: Remove some code for compatibility with FreeBSD 4.x.
2014-03-09 13:19:37 +00:00
kldload
Fix dmesg(1) -> dmesg(8)
2014-01-13 17:14:10 +00:00
kldstat
Add quiet support for kldstat -n
2014-01-22 17:15:17 +00:00
kldunload
…
ldconfig
Add a comment about why aout support is still here: We need it for
2013-03-19 16:57:04 +00:00
mca
Fix a variety of compile errors with gcc48 and clang
2012-05-31 08:22:02 +00:00
md5
Add the Clang specific -Wmissing-variable-declarations to WARNS=6.
2013-04-19 19:45:00 +00:00
mdconfig
Add Makefile missed in r263220.
2014-03-16 02:32:44 +00:00
mdmfs
Remove trailing whitespace per mdoc lint warning
2012-03-29 05:02:12 +00:00
mknod
Fix some more warnings found by clang.
2010-11-22 20:10:48 +00:00
mksnap_ffs
Note that a UFS filesystem can have up to 20 active snapshots.
2011-02-15 07:25:54 +00:00
mount
Minor mdoc fixes.
2013-07-18 05:46:33 +00:00
mount_cd9660
Update the manual page to reflect reality. With r138509 and r152355,
2013-03-05 23:05:43 +00:00
mount_fusefs
Fix warnings found by -Wmising-variable-declarations.
2012-10-19 05:43:38 +00:00
mount_msdosfs
Sweep man pages replacing ad -> ada.
2013-10-01 18:41:53 +00:00
mount_nfs
Document the noncontigwr NFS mount option.
2013-12-08 00:59:04 +00:00
mount_nullfs
GC unused variables. Prefer NULL over 0 for pointers.
2013-03-05 22:41:35 +00:00
mount_udf
Unbreak mount_udf by passing the correct iovec length into
2014-02-04 21:15:15 +00:00
mount_unionfs
GC unused variables. Prefer NULL over 0 for pointers.
2013-03-05 22:41:35 +00:00
nandfs
mdoc: remove superfluous paragraph macro.
2012-05-17 11:29:22 +00:00
natd
remove duplicate semicolons where possible.
2012-10-22 03:00:37 +00:00
newfs
Refer newfs and growfs users to fsck_ffs instead of
2014-02-09 14:28:47 +00:00
newfs_msdos
Sweep man pages replacing ad -> ada.
2013-10-01 18:41:53 +00:00
newfs_nandfs
Slight if reordering to make error branch last.
2014-03-07 01:01:57 +00:00
nfsiod
…
nos-tun
Use INADDR_NONE instead of -1 to check inet_addr() result.
2013-10-15 07:37:30 +00:00
nvmecontrol
For "nvmecontrol devlist", show namespace sizes in terms of MB instead of
2014-01-06 23:48:47 +00:00
pfctl
Fix compilation for 32-bit machines.
2014-03-05 19:26:22 +00:00
pflogd
pflogd does not depend on libutil
2013-01-01 18:28:21 +00:00
ping
Fix statically-linked build (WITHOUT_DYNAMICROOT).
2014-03-16 13:43:06 +00:00
ping6
Remove EOL whitespace.
2013-05-08 21:04:19 +00:00
quotacheck
Fix sbin/ build with a 64-bit ino_t.
2012-09-27 23:31:06 +00:00
rcorder
Fix warnings found by -Wmising-variable-declarations.
2012-10-19 05:43:38 +00:00
reboot
Add a new gptboot(8) man page. Factor out the redundant information
2013-07-01 22:38:36 +00:00
recoverdisk
Sweep man pages replacing ad -> ada.
2013-10-01 18:41:53 +00:00
resolvconf
Add resolvconf(8) which manages resolv.conf.
2011-03-18 12:18:52 +00:00
restore
Check the return error of set[e][ug]id. While this can never fail in the
2012-10-22 03:07:05 +00:00
route
Remove AppleTalk support.
2014-03-14 06:29:43 +00:00
routed
mdoc sweep
2013-05-13 18:13:50 +00:00
rtsol
Add dump.c to the rtsol build. It is needed now that sec2str is non-static
2011-06-08 21:59:07 +00:00
savecore
Log the name of the device that we failed to open rather than an
2014-03-05 04:15:17 +00:00
sconfig
…
setkey
Correct prefix for "locally installed things"
2013-01-16 05:03:46 +00:00
shutdown
Add simple example.
2013-03-19 21:40:14 +00:00
spppcontrol
…
sunlabel
mdoc: fix column names, indentation, column separation within each row, and
2012-04-07 09:05:30 +00:00
swapon
swapon: Fix buffer overflow when configuring encrypted swap on GBDE.
2013-12-21 11:59:58 +00:00
sysctl
Fix warnings to not append "No error: 0".
2013-11-26 19:14:18 +00:00
tests
Migrate tools/regression/sbin/ to the new tests layout.
2014-03-16 02:07:08 +00:00
tunefs
Constify string pointers.
2013-05-16 21:04:56 +00:00
umount
Fix memory leak in umount.c
2012-11-15 15:06:21 +00:00
Makefile
Add a SUBDIR_PARALLEL option to bsd.subdir.mk, to allow make to process
2014-03-26 22:30:38 +00:00
Makefile.amd64
Integrate nvmecontrol(8) into the amd64 and i386 builds.
2012-09-17 21:41:38 +00:00
Makefile.arm
MF tbemd: Move to using Makefile.arch to select what to build.
2010-09-13 02:25:21 +00:00
Makefile.i386
Integrate nvmecontrol(8) into the amd64 and i386 builds.
2012-09-17 21:41:38 +00:00
Makefile.ia64
MF tbemd: Move to using Makefile.arch to select what to build.
2010-09-13 02:25:21 +00:00
Makefile.inc
…
Makefile.mips
MF tbemd: Move to using Makefile.arch to select what to build.
2010-09-13 02:25:21 +00:00
Makefile.pc98
MF tbemd: Move to using Makefile.arch to select what to build.
2010-09-13 02:25:21 +00:00
Makefile.sparc64
MF tbemd: Move to using Makefile.arch to select what to build.
2010-09-13 02:25:21 +00:00