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avg 4596354565 bhyve: stability and performance improvement for dbgport 
The TCP server implementation in dbgport does not track clients, so it
may try to write to a disconected socket resulting in SIGPIPE.
Avoid that by setting SO_NOSIGPIPE socket option.

Because dbgport emulates an I/O port to guest, the communication is done
byte by byte.  Reduce latency of the TCP/IP transfers by using
TCP_NODELAY option.  In my tests that change improves performance of
kgdb commands with lots of output (e.g. info threads) by two orders of
magnitude.

A general note.  Since we have a uart emulation in bhyve, that can be
used for the console and gdb access to guests.  So, bvmconsole and bvmdebug
could be de-orbited now.  But there are many existing deployments that
still dependend on those.

Discussed with:	julian, jhb
MFC after:	2 weeks
Sponsored by:	Panzura
2016-11-29 13:11:00 +00:00
..
ac Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
accton Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
acpi Merge ACPICA 20160930. 2016-10-04 20:27:15 +00:00
adduser Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
amd MFV r305100: Update amd from am-utils 6.1.5 to 6.2. 2016-11-11 02:42:53 +00:00
ancontrol ancontrol(8): replace comma with semicolon when pertinent. 2016-08-09 19:46:05 +00:00
apm Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
apmd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
arp Additional cleanup of the arp(4) man page after r306652 2016-10-07 22:17:25 +00:00
asf Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
audit Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
auditd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
auditdistd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
auditreduce Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
authpf Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
autofs Make autounmountd(8) not die when traced with "truss -p". 2016-11-02 08:12:37 +00:00
bhyve bhyve: stability and performance improvement for dbgport 2016-11-29 13:11:00 +00:00
bhyvectl Fix typo. 2016-11-13 17:55:27 +00:00
bhyveload bhyve: improve memory size documentation 2016-06-26 14:44:01 +00:00
binmiscctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
blacklistctl DIRDEPS_BUILD: Connect new directories and update dependencies. 2016-06-03 19:25:30 +00:00
blacklistd DIRDEPS_BUILD: Connect new directories and update dependencies. 2016-06-03 19:25:30 +00:00
bluetooth Avoid undefined behavior when calling va_start() in bnep_send_control(), 2016-08-29 19:40:46 +00:00
boot0cfg Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
boot98cfg Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
bootparamd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
bsdconfig Guard against bad service name argument(s) to load_rc_config() 2016-10-16 20:59:28 +00:00
bsdinstall bsdinstall: add warning when unsupported partition is modified 2016-09-05 08:42:36 +00:00
bsnmpd Correct spelling in syslog: getttimeofday -> gettimeofday 2016-11-11 21:53:38 +00:00
btxld Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
camdd Fix camdd for host-aware and host-managed SMR disks. 2016-07-20 15:00:05 +00:00
cdcontrol Remove last remnants of acd(4), mcd(4), and scd(4) drivers. 2016-08-25 19:36:58 +00:00
chkgrp Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
chown chown: use NULL instead of 0 for null pointer 2016-10-10 14:21:21 +00:00
chroot Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ckdist Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
clear_locks Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
config Allow config to be compiled from another source directory, such as one 2016-10-26 15:58:41 +00:00
cpucontrol Add support for microcode update on newer AMD CPUs (10h+) 2016-11-02 16:15:49 +00:00
crashinfo Update crashinfo to work with newer gdb from ports. 2016-07-20 18:41:47 +00:00
cron Allow symlinks to be followed in cron.d directories and fix detection of 2016-10-31 23:40:04 +00:00
crunch crunchide: report explicit error for combined string table 2016-11-17 18:12:17 +00:00
ctladm Add LU option to control reported provisioning type. 2016-10-15 14:40:34 +00:00
ctld Plug another leak with malformed IPv6 address. 2016-11-28 07:41:01 +00:00
ctm Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
daemon DIRDEPS_BUILD: Update dependencies. 2016-11-13 00:11:30 +00:00
dconschat Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
devctl Implement 'devctl clear driver' to undo a previous 'devctl set driver'. 2016-08-29 22:48:36 +00:00
devinfo Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
digictl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
diskinfo Small tweaks to the diskinfo(8) manual page, to make it more consistent 2016-09-22 07:55:07 +00:00
dumpcis Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
editmap Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
edquota Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
eeprom Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
efivar DIRDEPS_BUILD: Connect new dependencies. 2016-11-13 00:11:23 +00:00
etcupdate etcupdate: preserve the metadata of the destination file 2016-09-08 15:53:49 +00:00
extattr Disable extattr test on UFS1. 2016-09-21 10:58:58 +00:00
extattrctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fdcontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fdformat Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fdread Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fdwrite Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fifolog Pass the correct size argument to ioctl(DIOCGSECTORSIZE) 2016-11-22 22:10:58 +00:00
flowctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fmtree Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
freebsd-update MFportsnap r264740: Use case insensitive match when parsing host(1) output. 2016-10-12 20:24:33 +00:00
fstyp fstyp tests comes with pre-created EL filesystems, 2016-10-18 12:58:17 +00:00
ftp-proxy Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
fwcontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
getfmac Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
getpmac Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
gpioctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
gssd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
gstat Add flag -B which does the same like batch mode but without exiting after 2016-11-09 07:31:39 +00:00
hyperv hyperv/vss: Install the userland daemon to /usr/sbin instead of / 2016-11-17 03:02:35 +00:00
i2c Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ifmcstat Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
inetd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
iostat Make the "r/s" and "w/s" fields in "iostat -x" a little bit wider; 2016-09-21 11:22:19 +00:00
iovctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ip6addrctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ipfwpcap Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
iscsid Make the iSCSI parameter negotiation more flexible. 2016-08-25 05:22:53 +00:00
jail Fix up the order in which jail creation processes are run, to preserve 2016-07-14 20:15:55 +00:00
jexec Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
jls Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
kbdcontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
kbdmap Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
keyserv keyserv(1): drop useless comparison. 2016-05-30 20:41:55 +00:00
kgmon Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
kgzip kgzip.8: note that it is deprecated and clarify BUGS section 2016-08-02 21:48:26 +00:00
kldxref Use roundup2() from sys/param.h. 2016-08-23 13:43:43 +00:00
lastlogin Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
lmcconfig Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
lpr Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
lptcontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mailstats Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mailwrapper Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
makefs Fix null dereference when running out of nodes during rename. 2016-11-26 13:26:29 +00:00
makemap Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
manctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
memcontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mergemaster META_MODE: Don't require filemon(4) for mergemaster(8)/etcupdate(8) 2016-07-12 19:47:01 +00:00
mfiutil Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mixer Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mld6query Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mlxcontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mount_smbfs Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mountd Fix the man page to reflect the change done by r307890 to mountd.c 2016-10-25 00:59:23 +00:00
moused Add Elantech trackpad to the list of known models 2016-09-26 22:07:45 +00:00
mpsutil Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mptable Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mptutil Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
mtest Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nandsim Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nandtool Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ndiscvt Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ndp Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
newsyslog Fix improper use of "its". 2016-11-08 23:59:41 +00:00
nfscbd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nfsd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nfsdumpstate Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nfsrevoke Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nfsuserd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ngctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nghook Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nmtree Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nologin Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
nscd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ntp MFV r308954: 2016-11-22 08:27:49 +00:00
nvram Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ofwdump Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
pc-sysinstall Remove last remnants of acd(4), mcd(4), and scd(4) drivers. 2016-08-25 19:36:58 +00:00
pciconf Add names for some DASP devices. 2016-10-21 15:23:54 +00:00
periodic Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
pkg Remove usage of _WITH_GETLINE from usr.sbin 2016-07-30 01:10:05 +00:00
pmcannotate Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
pmccontrol Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
pmcstat Remove an unused field from struct pmcstat_image. 2016-10-15 23:46:55 +00:00
pmcstudy DIRDEPS_BUILD: Add some missing dirctories to the build. 2016-08-31 19:30:59 +00:00
pnpinfo Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
portsnap portsnap: use lam on the known good hash list 2016-10-07 20:01:59 +00:00
powerd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ppp Fix build of ppp when WITHOUT_PAM is set 2016-07-04 21:18:57 +00:00
pppctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
praliases Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
praudit Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
procctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
pstat Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
pw Speed up pw operations that edit /etc/group or /etc/passwd 2016-11-18 16:07:08 +00:00
pwd_mkdb Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
quot Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
quotaon Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rarpd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
repquota Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rip6query Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rmt Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
route6d Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rpc.lockd Add missing break in lock_partialfilelock(..) with NFS_RESERR 2016-06-13 11:19:06 +00:00
rpc.statd Mark out_of_mem(..) and usage(..) with __dead2 as they both directly call exit 2016-05-29 04:18:47 +00:00
rpc.umntall Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rpc.yppasswdd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rpc.ypupdated Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rpc.ypxfrd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rpcbind Fix usr.sbin/rpcbind ATF tests on 32-bit platforms 2016-06-16 15:25:37 +00:00
rrenumd Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rtadvctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rtadvd Add link-layer address option in RA even for IFT_L2VLAN and IFT_BRIDGE. 2016-11-05 19:51:13 +00:00
rtprio Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
rtsold rtsold: Log messages about unexpected RAs at LOG_DEBUG. 2016-10-02 00:56:21 +00:00
rwhod Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
sa Skip lastcomm and sa tests on unsupported architectures 2016-06-26 00:53:31 +00:00
sendmail Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
service Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
services_mkdb Remove usage of _WITH_GETLINE from usr.sbin 2016-07-30 01:10:05 +00:00
sesutil Fix sesutil fault operation. 2016-09-30 20:35:12 +00:00
setfib Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
setfmac Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
setpmac Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
smbmsg smbmsg: use a more convenient way of accessing data read from a slave 2016-11-11 15:00:13 +00:00
snapinfo Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
spkrtest Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
spray Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
syslogd Properly initialize nextp 2016-11-27 19:27:13 +00:00
sysrc Change my given name from "Garrett" to "Ngie" 2016-06-13 10:35:11 +00:00
tcpdchk Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
tcpdmatch Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
tcpdrop Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
tcpdump Fix spelling of the casper introduced in the r296047. 2016-06-08 22:30:21 +00:00
tests Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
timed Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
traceroute Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
traceroute6 Fix an infinite loop at an non-responding hop when other echo replies 2016-11-05 18:00:36 +00:00
trpt Remove "long" variables from the TCP stack (not including the modular 2016-10-06 16:28:34 +00:00
tzsetup Fix build of tzsetup when WITHOUT_DIALOG is set 2016-10-22 22:35:39 +00:00
uathload Rename devname to udevname after including stdlib.h in r303445 2016-07-30 20:39:39 +00:00
uefisign uefisign: Remove backwards-compatibility sys/capability.h support 2016-09-19 16:07:32 +00:00
ugidfw Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
uhsoctl Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
unbound Upgrade to Unbound 1.5.9. 2016-09-04 12:17:57 +00:00
usbconfig Add META_MODE support. 2015-06-13 19:20:56 +00:00
usbdump Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
utx Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
vidcontrol vidcontrol: use calloc where appropriate 2016-11-05 11:19:55 +00:00
vigr Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
vipw Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
wake Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
watch Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
watchdogd fix a watchdogd regression introduced in r308040 2016-11-10 10:45:12 +00:00
wlandebug Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
wpa Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
yp_mkdb Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ypbind Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ypldap DIRDEPS_BUILD: Update dependencies after a 'make bootstrap-tools'. 2016-09-02 20:41:43 +00:00
yppoll Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
yppush Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ypserv Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
ypset Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
zic Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
zonectl DIRDEPS_BUILD: Connect new directories and update dependencies. 2016-06-03 19:25:30 +00:00
zzz Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
Makefile Fix build of tzsetup when WITHOUT_DIALOG is set 2016-10-22 22:35:39 +00:00
Makefile.amd64 Remove the si(4) driver and sicontrol(8) for Specialix serial cards. 2016-08-19 21:14:27 +00:00
Makefile.arm Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
Makefile.arm64 Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
Makefile.i386 Remove the wl(4) driver and wlconfig(8) utility. 2016-08-19 22:27:14 +00:00
Makefile.inc Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
Makefile.mips Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00
Makefile.powerpc Create a new MACHINE_ARCH for Freescale PowerPC e500v2 2016-10-22 01:57:15 +00:00
Makefile.sparc64 Create branch for bhyve graphics import. 2016-05-27 06:22:24 +00:00