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79793784f7
freebsd-skq/sys
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mmacy 79793784f7 convert inpcbinfo hash and info rwlocks to epoch + mutex 
- Convert inpcbinfo info & hash locks to epoch for read and mutex for write
- Garbage collect code that handled INP_INFO_TRY_RLOCK failures as
  INP_INFO_RLOCK which can no longer fail

When running 64 netperfs sending minimal sized packets on a 2x8x2 reduces
unhalted core cycles samples in rwlock rlock/runlock in udp_send from 51% to
3%.

Overall packet throughput rate limited by CPU affinity and NIC driver design
choices.

On the receiver unhalted core cycles samples in in_pcblookup_hash went from
13% to to 1.6%

Tested by LLNW and pho@

Reviewed by: jtl
Sponsored by: Limelight Networks
Differential Revision: https://reviews.freebsd.org/D15686
2018-06-19 01:54:00 +00:00
..
amd64 ixl(4): Update to use iflib 2018-06-18 20:12:54 +00:00
arm allwinner: ccung: Fully subclass the clock drivers 2018-06-15 08:36:21 +00:00
arm64 Introduce arm64 linuxulator stubs 2018-06-18 19:34:34 +00:00
bsm
cam Fix da(4) locking when probing SMR drives. 2018-06-14 17:08:44 +00:00
cddl This originated from ZFS On Linux, as 2018-06-08 17:38:28 +00:00
compat linuxulator: add debugging for invalid capget/capset version 2018-06-18 18:43:45 +00:00
conf ixl(4): Update to use iflib 2018-06-18 20:12:54 +00:00
contrib libnv: Add nvlist_append_*_array() family of functions. 2018-06-18 22:57:32 +00:00
crypto disable printing value of SKEIN_LOOP during standard out, 2018-05-19 18:27:14 +00:00
ddb Extend show proc with reaper, sigparent, and vmspace information 2018-05-25 13:59:48 +00:00
dev cxgbe(4): Some mailbox commands require access to the Tx pipeline and 2018-06-19 00:50:27 +00:00
dts arm: overlays: Update to new path-based sugar format 2018-05-04 14:38:48 +00:00
fs Revert r335263, since it can cause crashes in unusual circumstances. 2018-06-17 23:08:54 +00:00
gdb amd64: Protect the kernel text, data, and BSS by setting the RW/NX bits 2018-03-06 14:28:37 +00:00
geom gpart: add EFI alias for MBR partition scheme 2018-06-17 20:10:48 +00:00
gnu dts: Update our copy to Linux 4.17 2018-06-14 07:12:10 +00:00
i386 linuxulator: do not include legacy syscalls on arm64 2018-06-15 14:41:51 +00:00
isa Revert r330780, it was improperly tested and results in taking a spin 2018-03-11 20:13:15 +00:00
kern convert inpcbinfo hash and info rwlocks to epoch + mutex 2018-06-19 01:54:00 +00:00
kgssapi kgssapi: Remove trivial deadcode 2018-02-14 00:12:03 +00:00
libkern str(r)chr: Replace union abuse with __DECONST 2018-06-04 18:47:14 +00:00
mips hwpmc: yet another missed fixup 2018-06-08 18:54:47 +00:00
modules remove epoch_test from default build 2018-06-18 22:27:29 +00:00
net iflib: Style fixes 2018-06-18 17:27:43 +00:00
net80211 Use an accessor function to access ifr_data. 2018-03-30 18:50:13 +00:00
netgraph Catch up two more places to the V_ifnet change to a CK_STAILQ. 2018-05-24 00:06:55 +00:00
netinet convert inpcbinfo hash and info rwlocks to epoch + mutex 2018-06-19 01:54:00 +00:00
netinet6 Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
netipsec uma: implement provisional api for per-cpu zones 2018-06-08 21:40:03 +00:00
netpfil Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
netsmb Eliminate the overhead of gratuitous repeated reinitialization of cap_rights 2018-05-09 18:47:24 +00:00
nfs Switch RIB and RADIX_NODE_HEAD lock from rwlock(9) to rmlock(9). 2018-06-16 08:26:23 +00:00
nfsclient style: Remove remaining deprecated MALLOC/FREE macros 2018-01-25 22:25:13 +00:00
nfsserver
nlm Use syscall_helper_register() to register syscalls and initialize though 2018-02-10 01:09:22 +00:00
ofed Revert r335094 and properly fix OFED build after r335053. 2018-06-14 07:55:10 +00:00
opencrypto cryptosoft: Do not exceed crd_len around *crypt_multi 2018-04-19 15:24:21 +00:00
powerpc Split the PowerISA 3.0 HPT implementation from historic 2018-06-14 17:23:51 +00:00
riscv Don't jump to VA space until kernel is ready. 2018-06-13 10:32:21 +00:00
rpc
security audit(4): fix the definition of ARG_TERMID_ADDR 2018-06-13 14:55:31 +00:00
sparc64 Define memmove and make bcopy alt entry point 2018-05-24 21:11:28 +00:00
sys libnv: Add nvlist_append_*_array() family of functions. 2018-06-18 22:57:32 +00:00
teken teken: Fix sequences header which was crossing the 80-col boundary 2018-05-29 08:41:44 +00:00
tests epoch(9): Make epochs non-preemptible by default 2018-05-18 17:29:43 +00:00
tools Add dtb overlays support 2018-03-24 21:30:24 +00:00
ufs ufs: remove cgbno variable where unused 2018-05-19 19:30:42 +00:00
vm Name the implementation of brk and sbrk sys_break(). 2018-06-14 21:27:25 +00:00
x86 Untangle configuration ifdefs a little. On x86, msi is optional on pci, 2018-06-10 14:49:13 +00:00
xdr
xen xen: remove dead code from gnttab.h 2018-05-25 08:44:00 +00:00
Makefile