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freebsd kernel with SKQ
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C++ 23.3%
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Jason A. Harmening d22883d715 Remove PCPU_INC 
e4b8deb222 removed the last in-tree uses of PCPU_INC().  Its
potential benefit is also practically nonexistent.  Non-x86
platforms already implement it as PCPU_ADD(..., 1), and according
to [0] there are no recent x86 processors for which the 'inc'
instruction provides a performance benefit over the equivalent
memory-operand form of the 'add' instruction.  The only remaining
benefit of 'inc' is smaller instruction size, which in this case
is inconsequential given the limited number of per-CPU data consumers.

[0]: https://www.agner.org/optimize/instruction_tables.pdf

Reviewed by:	kib
Differential Revision:	https://reviews.freebsd.org/D29308
2021-03-20 19:23:59 -07:00
.github/workflows GitHub actions: unbreak macOS build 2021-01-08 15:36:38 +01:00
bin bin/pkill: Fix {pgrep,pkill}-j_test.sh 2021-02-13 13:53:51 +00:00
cddl pkgbase: Move libicp in utilities 2021-03-16 07:12:40 +01:00
contrib elftoolchain: Support building on Arm-based Macs 2021-03-20 17:58:10 +00:00
crypto openssh: document two changes that are now upstream 2021-02-22 14:03:28 -05:00
etc base: remove if_wg(4) and associated utilities, manpage 2021-03-17 09:14:48 -05:00
gnu dialog: fix macro redefinition 2021-03-01 16:01:44 +01:00
include Only symlink cryptodev.h into /usr/include/crypto/ 2021-03-19 16:59:44 -07:00
kerberos5 kerberos5: fix the WITH_OPENLDAP build 2021-01-30 00:07:50 -06:00
lib bhyve: support relocating fbuf and passthru data BARs 2021-03-19 11:04:36 +08:00
libexec Fix the 'linux' rc script on aarch64. 2021-03-18 20:30:21 +00:00
release release: sync 'git count' logic with newvers.sh 2021-03-17 10:57:32 -04:00
rescue ping: add a ping6 hard link for backwards compatibility 2020-11-26 18:33:04 +00:00
sbin pfilctl: improve formatting of "hooks" and "heads" command output. 2021-03-19 11:18:05 -07:00
secure OpenSSL: Regen manual page for the previous commit 2021-02-17 18:19:13 -05:00
share rc.conf(5): Remove left-over variables 2021-03-21 01:08:36 +01:00
stand stand: Load INIT_ARRAY and FINI_ARRAY sections 2021-03-16 15:01:41 -04:00
sys Remove PCPU_INC 2021-03-20 19:23:59 -07:00
targets ndis(4): remove as previous announced 2021-01-25 21:45:03 +00:00
tests Update vendor/openzfs to master-891568c99 2021-03-21 01:39:51 +01:00
tools Move GH_BC ObsoleteFiles.inc section to OptionalObsoleteFiles.inc 2021-03-20 23:15:01 +01:00
usr.bin ls(1): Refine the HISTORY within the manual page. 2021-03-13 19:28:26 +01:00
usr.sbin Clarify that scripted installations don't require specification of boot 2021-03-19 09:45:58 -04:00
.arcconfig arcconfig: add callsign again 2020-11-23 04:39:29 +00:00
.arclint arc lint: ignore /tests/ in chmod 2017-12-19 03:38:06 +00:00
.cirrus.yml Cirrus-CI: Add more information to help track down disk full issues 2021-03-03 11:51:08 -05:00
.clang-format clang-format: Avoid breaking after the opening paren of function definitions 2020-10-28 11:54:00 +00:00
.gitattributes Add a basic clang-format configuration file 2019-06-07 15:23:52 +00:00
.gitignore gitignore: expand list of ignored files 2021-01-14 17:03:57 +01:00
COPYRIGHT copyrights: Happy New Year 2021 2020-12-31 10:29:44 -05:00
LOCKS LOCKS: update current locks 2018-06-09 03:08:04 +00:00
MAINTAINERS Add a pointer to csprng@ for the CSPRNG driver. This is enforced anyway by 2020-09-01 08:02:12 +00:00
Makefile Fix 'make bmake' top-level bootstrapping. 2021-03-06 09:45:08 -08:00
Makefile.inc1 Revert "bootstrap: add tic to the bootstrap tools" 2021-03-18 16:05:20 +01:00
Makefile.libcompat libcompat: remove redundant path for ncurses 2021-01-07 15:14:52 +01:00
Makefile.sys.inc AUTO_OBJ: For all top-level targets enforce using an OBJDIR. 2017-12-05 21:29:47 +00:00
ObsoleteFiles.inc Move GH_BC ObsoleteFiles.inc section to OptionalObsoleteFiles.inc 2021-03-20 23:15:01 +01:00
README.md Whitespace cleanup 2021-03-12 19:57:58 +08:00
RELNOTES Bump CURRENT to 14.0 2021-01-21 19:10:07 -05:00
UPDATING Add UPDATING entry for PIE default 2021-02-25 11:02:09 -05:00

README.md

FreeBSD Source:

This is the top level of the FreeBSD source directory.

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), FreeBSD handbook on building userland, and Handbook for kernels for more information, including setting make(1) variables.

Source Roadmap:

Directory Description
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 and gnu/COPYING.LIB 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 FreeBSD Handbook.