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Andrew Gallatin a18f34fe77 Don't request CTLTYPE_OPAQUE if we can't print them. 
The intent is to skip expensive opaque sysctls like tcp_pcblist unless
they are explicitly requested. Sysctl nodes like this don't show up in
sysctl -a, but they do generate output that winds up being dropped,
unless the user specifically requested  binary/hex output or opaques.

This reduces the runtime of sysctl in many circumstances on a loaded
system.  It also reduces the likelihood that simply gathering
diagnostics on a sick machine (stuck lock, etc) via sysctl -a might
push it over the edge into a total lockup.

Reviewed by:	jtl
Sponsored by:	Netflix
Differential Revision:	https://reviews.freebsd.org/D11461
2017-07-31 14:56:35 +00:00
..
adjkerntz
badsect Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
bsdlabel sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
camcontrol Fix whitespace bugs 2017-07-10 05:16:07 +00:00
ccdconfig
clri Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
comcontrol
conscontrol
ddb
decryptcore DIRDEPS_BUILD: Connect new directories. 2017-05-09 01:48:14 +00:00
devd Require devd to be running for its ATF tests to run 2017-06-20 19:34:21 +00:00
devfs sbin/devfs: clarify usage 2017-03-08 23:58:10 +00:00
dhclient parse.c parse_string 2017-05-31 21:31:15 +00:00
dmesg Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
dump Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
dumpfs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
dumpon DIRDEPS_BUILD: Update dependencies. 2017-05-09 01:48:23 +00:00
etherswitchcfg sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
fdisk sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
ffsinfo sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
fsck fsck(8): Don't overrun mount device buffer 2017-04-14 00:22:28 +00:00
fsck_ffs Commit the 64-bit inode project. 2017-05-23 09:29:05 +00:00
fsck_msdosfs sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
fsdb sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
fsirand prefix UFS symbols with UFS_ to reduce namespace pollution 2017-02-15 19:50:26 +00:00
gbde sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
geom Fix withered handling of r280687, broken by r286719. 2017-04-27 19:03:08 +00:00
ggate sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
growfs sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
gvinum Utilize SYSROOT from r320119 in places where DESTDIR may be wanting WORLDTMP. 2017-06-19 20:47:24 +00:00
hastctl DIRDEPS_BUILD: Update dependencies. 2017-05-09 01:48:23 +00:00
hastd DIRDEPS_BUILD: Update dependencies. 2017-05-09 01:48:23 +00:00
ifconfig Persistently store NIC's hardware MAC address, and add a way to retrive it 2017-05-10 22:13:47 +00:00
init - Use strlcat() instead of strncat(). 2017-07-07 02:48:55 +00:00
ipf Disconnect ipftest and ipresend from the build until it can be verified 2017-03-14 02:10:37 +00:00
ipfw ipfw: Note that bandwidth can take G suffix in the manpage 2017-06-23 17:31:07 +00:00
iscontrol sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
kldconfig Advertise kldxref(8) a little better. 2017-04-27 19:48:00 +00:00
kldload Advertise kldxref(8) a little better. 2017-04-27 19:48:00 +00:00
kldstat Typo. 2017-03-10 19:13:38 +00:00
kldunload
ldconfig sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
md5 Fix date. 2017-03-02 14:50:01 +00:00
mdconfig Add MD_VERIFY option to enable O_VERIFY in open for vnode type. 2017-05-31 21:18:11 +00:00
mdmfs
mknod Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
mksnap_ffs Fix an issue in the rev.316718 causing variable to be unsed uninitialized. 2017-04-12 19:23:41 +00:00
mount Fix "mount -uw /" when the filesystem type doesn't match. 2017-07-08 11:06:27 +00:00
mount_cd9660 Add a post-humous manpage for cd9660(5), the ISO-9660 file system 2017-03-23 02:57:08 +00:00
mount_fusefs sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
mount_msdosfs Remove msdosfs -o large support. 2017-06-09 12:06:22 +00:00
mount_nfs Fix mount_nfs so that it doesn't create mounttab entries for NFSv4 mounts. 2017-05-08 00:45:05 +00:00
mount_nullfs sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
mount_udf sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
mount_unionfs sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
nandfs
natd
newfs Bump date for today's commit. 2017-07-07 16:58:40 +00:00
newfs_msdos newfs_msdos: clarify description of -T (timestamp) option 2017-05-16 19:03:26 +00:00
newfs_nandfs newfs_nandfs: Fix unaligned pointer warning 2017-03-04 16:59:55 +00:00
nfsiod Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
nos-tun
nvmecontrol Fix sign of resid and add a mostly useless cast to cope with signed vs 2017-07-01 02:19:48 +00:00
pfctl pfctl parser tests 2017-07-15 19:22:01 +00:00
pflogd sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
ping Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
ping6 Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
quotacheck sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
rcorder
reboot .Xr mount.conf(5) from boot(8). 2017-05-28 18:13:44 +00:00
recoverdisk
resolvconf sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
restore restore(8): Prevent some heap overflows 2017-04-14 00:14:40 +00:00
route Fix userland tools that don't check the format of routing socket 2017-04-16 19:17:10 +00:00
routed Fix userland tools that don't check the format of routing socket 2017-04-16 19:17:10 +00:00
rtsol sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
savecore Fix style and wrap lines to 80 columns in savecore.c. 2017-07-24 21:51:41 +00:00
sconfig
setkey Add large replay widow support to setkey(8) and libipsec. 2017-04-13 14:44:17 +00:00
shutdown Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
spppcontrol
sunlabel sbin: normalize paths using SRCTOP-relative paths or :H when possible 2017-03-04 11:33:01 +00:00
swapon Fix late and noauto with geli swap 2017-03-14 12:39:19 +00:00
sysctl Don't request CTLTYPE_OPAQUE if we can't print them. 2017-07-31 14:56:35 +00:00
tests
tunefs Renumber copyright clause 4 2017-02-28 23:42:47 +00:00
umount Add a new "-N" option to umount(8), that does a forced dismount of an NFS mount 2017-07-29 20:08:25 +00:00
zfsbootcfg Update the "first appeared in" version in several manual pages. 2017-05-24 17:47:49 +00:00
Makefile Remove SUBDIR ordering/uniquifying in *bin/Makefile 2017-07-06 04:15:30 +00:00
Makefile.amd64
Makefile.arm
Makefile.i386
Makefile.inc
Makefile.mips
Makefile.sparc64