git: 3d8ec3273dbb - stable/15 - packages: Compress in parallel
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Date: Thu, 16 Oct 2025 20:03:17 UTC
The branch stable/15 has been updated by cperciva:
URL: https://cgit.FreeBSD.org/src/commit/?id=3d8ec3273dbb9edf9080ded97e071edff59dd708
commit 3d8ec3273dbb9edf9080ded97e071edff59dd708
Author: Colin Percival <cperciva@FreeBSD.org>
AuthorDate: 2025-10-12 21:44:14 +0000
Commit: Colin Percival <cperciva@FreeBSD.org>
CommitDate: 2025-10-16 20:02:56 +0000
packages: Compress in parallel
The FreeBSD-base pkg repository is currrently dominated by a handful of
large packages: Out of a compressed repository size of ~960 MB, about
160 MB is taken up by the FreeBSD-src package, 128 MB (on amd64) is
used by the FreeBSD-kernel-generic-dbg package, and 91 MB is used by
the FreeBSD-src-sys package. Consequently, running 'make packages -jN'
provides less benefit than one might hope, as most of the packages
finish building quickly, ultimately leaving the FreeBSD-src package
building by itself for a couple minutes while all the other CPUs are
idle.
Pass -T${PKG_CTHREADS} to the 'pkg create' commands (with a default
of -T0) in order to instruct pkg's zstd compression to use multiple
threads.
Testing on an EC2 r7i.48xlarge instance with -j192, this reduces the
time taken by 'make packages' from 6m17s to 1m39s; package creation
time itself (excluding the initial process of installing into world
and kernel staging directories) dropped from 5m37s to 59s.
Reviewed by: ivy
MFC after: 3 days
Sponsored by: https://www.patreon.com/cperciva
Differential Revision: https://reviews.freebsd.org/D53053
(cherry picked from commit 16155cccc4bf42a5a76806128e7ef637f9ae61fe)
---
Makefile.inc1 | 15 ++++++++-------
1 file changed, 8 insertions(+), 7 deletions(-)
diff --git a/Makefile.inc1 b/Makefile.inc1
index d530ca4e9584..21adf215c0aa 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -1977,6 +1977,7 @@ REPODIR?= ${OBJROOT}repo
PKG_FORMAT?= tzst
PKG_LEVEL?= -1
PKG_CLEVEL?= ${"${PKG_FORMAT:Mtar}" != "":?:-l ${PKG_LEVEL}}
+PKG_CTHREADS?= 0
PKG_REPO_SIGNING_KEY?= # empty
PKG_OUTPUT_DIR?= ${PKG_VERSION}
PKG_ABI_FILE?= ${WSTAGEDIR}/usr/bin/uname
@@ -2157,7 +2158,7 @@ create-source-src-package: _pkgbootstrap .PHONY
${SSTAGEDIR}/src.ucl
${PKG_CMD} -o ABI=${PKG_ABI} \
-o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M ${SSTAGEDIR}/src.ucl \
-p ${SSTAGEDIR}/src.plist \
-r ${SRCDIR} \
@@ -2183,7 +2184,7 @@ create-source-src-sys-package: _pkgbootstrap .PHONY
${SSTAGEDIR}/src-sys.ucl
${PKG_CMD} -o ABI=${PKG_ABI} \
-o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M ${SSTAGEDIR}/src-sys.ucl \
-p ${SSTAGEDIR}/src-sys.plist \
-r ${SRCDIR} \
@@ -2226,7 +2227,7 @@ create-world-package-${pkgname}: .PHONY
fi
${PKG_CMD} -o ABI=${PKG_ABI} -o ALLOW_BASE_SHLIBS=yes \
-o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M ${WSTAGEDIR}/${pkgname}.ucl \
-p ${WSTAGEDIR}/${pkgname}.plist \
-r ${WSTAGEDIR} \
@@ -2245,7 +2246,7 @@ create-sets-packages: .PHONY
@for manifest in ${WSTAGEDIR}/set-*.ucl; do \
echo "--> Processing manifest: $$manifest"; \
${PKG_CMD} -o ABI=${PKG_ABI} -o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M $$manifest \
-o "${REPODIR}/${PKG_ABI}/${PKG_OUTPUT_DIR}" \
|| exit 1; \
@@ -2275,7 +2276,7 @@ create-dtb-package: .PHONY
${KSTAGEDIR}/${DISTDIR}/dtb.ucl ; \
${PKG_CMD} -o ABI=${PKG_ABI} -o ALLOW_BASE_SHLIBS=yes \
-o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M ${KSTAGEDIR}/${DISTDIR}/dtb.ucl \
-p ${KSTAGEDIR}/${DISTDIR}/dtb.plist \
-r ${KSTAGEDIR}/${DISTDIR} \
@@ -2312,7 +2313,7 @@ create-kernel-packages-flavor${flavor:C,^""$,${_default_flavor},}: _pkgbootstrap
${KSTAGEDIR}/${DISTDIR}/kernel.${INSTALLKERNEL}${flavor}.ucl ; \
${PKG_CMD} -o ABI=${PKG_ABI} -o ALLOW_BASE_SHLIBS=yes \
-o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M ${KSTAGEDIR}/${DISTDIR}/kernel.${INSTALLKERNEL}${flavor}.ucl \
-p ${KSTAGEDIR}/${DISTDIR}/kernel.${INSTALLKERNEL}${flavor}.plist \
-r ${KSTAGEDIR}/${DISTDIR} \
@@ -2352,7 +2353,7 @@ create-kernel-packages-extra-flavor${flavor:C,^""$,${_default_flavor},}-${_kerne
${KSTAGEDIR}/kernel.${_kernel}/kernel.${_kernel}${flavor}.ucl ; \
${PKG_CMD} -o ABI=${PKG_ABI} -o ALLOW_BASE_SHLIBS=yes \
-o OSVERSION="${SRCRELDATE}" \
- create -f ${PKG_FORMAT} ${PKG_CLEVEL} \
+ create -f ${PKG_FORMAT} ${PKG_CLEVEL} -T${PKG_CTHREADS} \
-M ${KSTAGEDIR}/kernel.${_kernel}/kernel.${_kernel}${flavor}.ucl \
-p ${KSTAGEDIR}/kernel.${_kernel}/kernel.${_kernel}${flavor}.plist \
-r ${KSTAGEDIR}/kernel.${_kernel} \