freebsd with flexible iflib nic queues
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Conrad Meyer 74f5530d7a vm_pageout: Scale worker threads with CPUs
Autoscale vm_pageout worker threads from r364129 with CPU count.  The
default is arbitrarily chosen to be 16 CPUs per worker thread, but can
be adjusted with the vm.pageout_cpus_per_thread tunable.

There will never be less than 1 thread per populated NUMA domain, and
the previous arbitrary upper limit (at most ncpus/2 threads per NUMA
domain) is preserved.

Care is taken to gracefully handle asymmetric NUMA nodes, such as empty
node systems (e.g., AMD 2990WX) and systems with nodes of varying size
(e.g., some larger >20 core Intel Haswell/Broadwell Xeon).

Reviewed by:	kib, markj
Sponsored by:	Isilon
Differential Revision:	https://reviews.freebsd.org/D26152
2020-08-25 21:36:56 +00:00
bin ls(1): Update POSIX conformance from 2001 to 2008 2020-08-21 06:20:11 +00:00
cddl [PowerPC] Apply the ppc32 GOT overflow fix to powerpcspe 2020-08-25 18:54:10 +00:00
contrib Fix -Wundef warnings when building liblua 2020-08-25 13:30:34 +00:00
crypto sshd: allow UseBlocklist alias for UseBlacklist 2020-07-29 00:34:24 +00:00
etc Merge ^/head r364082 through r364250. 2020-08-15 11:49:31 +00:00
gnu Remove now-unused GNU as build infrastructure 2020-06-07 13:53:23 +00:00
include Merge OpenZFS support in to HEAD. 2020-08-25 02:21:27 +00:00
kerberos5 Update Makefile.depend files 2019-12-11 17:37:53 +00:00
lib After r364423, which ensures the callbacks that dl_iterate_phdr(3) 2020-08-25 20:07:11 +00:00
libexec Merge OpenZFS support in to HEAD. 2020-08-25 02:21:27 +00:00
release pkgbase: Replace / with | for PKG_WWW 2020-08-11 10:07:59 +00:00
rescue Merge OpenZFS support in to HEAD. 2020-08-25 02:21:27 +00:00
sbin Fix makefs bootstrap on macOS after D25563 2020-08-25 13:30:24 +00:00
secure caroot: switch to using echo+shell glob to enumerate certs 2020-08-23 23:56:57 +00:00
share sdhci(4): Recognize the Texas Instruments PCIxx12 card reader. 2020-08-25 18:32:43 +00:00
stand Fix userboot after r364355 2020-08-25 17:23:33 +00:00
sys vm_pageout: Scale worker threads with CPUs 2020-08-25 21:36:56 +00:00
targets Add WITH_CLANG_FORMAT option 2020-06-24 17:03:42 +00:00
tests Skip zpool_clear_005_pos test until bug fixed 2020-08-25 20:04:35 +00:00
tools Add necessary Makefile.inc1 infrastructure for building on non-FreeBSD 2020-08-25 13:29:57 +00:00
usr.bin Add necessary Makefile.inc1 infrastructure for building on non-FreeBSD 2020-08-25 13:29:57 +00:00
usr.sbin bsdinstall: Update loader.conf for new OpenZFS deps 2020-08-25 21:07:27 +00:00
.arcconfig
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: increase timeout to 120m 2020-02-19 15:56:40 +00:00
.clang-format Clang-format: Avoid hardcoded LLVM include-order style 2020-06-24 23:22:36 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore .gitignore: Add LINT kernel configurations generated into SRCDIR 2019-08-10 18:22:22 +00:00
COPYRIGHT Happy New Year 2020! 2019-12-31 16:01:36 +00:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Update bhyve maintainers. 2020-06-26 06:11:50 +00:00
Makefile Fix typo in r364325 that broke tinderbox with -DBUILD_WITH_STRICT_TMPPATH 2020-08-25 13:30:19 +00:00
Makefile.inc1 Use bootstrapped install(1) install of tools/install.sh in world stage 2020-08-25 13:30:14 +00:00
Makefile.libcompat Stop building libl and liby 2020-03-26 08:23:09 +00:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Add ufm(4) to ObsoleteFiles.inc 2020-08-20 19:14:53 +00:00
README README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
README.md README: add generic notes about GENERIC and NOTES 2018-06-17 19:44:24 +00:00
RELNOTES Fix silly typo... 2020-08-24 20:02:13 +00:00
UPDATING Give stronger guidance with regards to upgrading root pools 2020-08-25 17:19:15 +00:00

FreeBSD Source:

This is the top level of the FreeBSD source directory. This file was last revised on: FreeBSD

FreeBSD is an operating system used to power modern servers, desktops, and embedded platforms. A large community has continually developed it for more than thirty years. Its advanced networking, security, and storage features have made FreeBSD the platform of choice for many of the busiest web sites and most pervasive embedded networking and storage devices.

For copyright information, please see the file COPYRIGHT in this directory. Additional copyright information also exists for some sources in this tree - please see the specific source directories for more information.

The Makefile in this directory supports a number of targets for building components (or all) of the FreeBSD source tree. See build(7), config(8), https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/makeworld.html, and https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/kernelconfig.html for more information, including setting make(1) variables.

Source Roadmap:

bin		System/user commands.

cddl		Various commands and libraries under the Common Development
		and Distribution License.

contrib		Packages contributed by 3rd parties.

crypto		Cryptography stuff (see crypto/README).

etc		Template files for /etc.

gnu		Various commands and libraries under the GNU Public License.
		Please see gnu/COPYING* for more information.

include		System include files.

kerberos5	Kerberos5 (Heimdal) package.

lib		System libraries.

libexec		System daemons.

release		Release building Makefile & associated tools.

rescue		Build system for statically linked /rescue utilities.

sbin		System commands.

secure		Cryptographic libraries and commands.

share		Shared resources.

stand		Boot loader sources.

sys		Kernel sources.

sys/<arch>/conf Kernel configuration files. GENERIC is the configuration
		used in release builds. NOTES contains documentation of
		all possible entries.

tests		Regression tests which can be run by Kyua.  See tests/README
		for additional information.

tools		Utilities for regression testing and miscellaneous tasks.

usr.bin		User commands.

usr.sbin	System administration commands.

For information on synchronizing your source tree with one or more of the FreeBSD Project's development branches, please see:

https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/current-stable.html