Hi Henry,
Henry Kleynhans <henry.kleynh...@gmail.com> escreveu no dia segunda,
11/10/2021 à(s) 18:12:
> From: Henry Kleynhans <hkleynh...@fb.com>
>
> This patch switches the compressor from Gzip to ZStandard for ssate cache
> files.
>
> Zstandard compression provides a significant improvement in
> decompression speed as well as improvement in compression speed and disk
> usage over the 'tgz' format in use. Furthermore, its configurable
> compression level offers a trade-off between time spent compressing
> sstate cache files and disk space used by those files. The reduced disk
> usage also contributes to saving network traffic for those sharing their
> sstate cache with others.
>
> Zstandard should therefore be a good choice when:
> * disk space is at a premium
> * network speed / resources are limited
> * the CI server can sstate packages can be created at high compression
> * less CPU on the build server should be used for sstate decompression
>
> Signed-off-by: Henry Kleynhans <hkleynh...@fb.com>
> ---
> meta/classes/sstate.bbclass | 29 +++++++++------
> meta/lib/oeqa/selftest/cases/signing.py | 8 ++---
> meta/lib/oeqa/selftest/cases/sstatetests.py | 24 ++++++-------
> scripts/sstate-cache-management.sh | 40 ++++++++++-----------
> 4 files changed, 55 insertions(+), 46 deletions(-)
>
> diff --git a/meta/classes/sstate.bbclass b/meta/classes/sstate.bbclass
> index 7f4b1f6804..3a5195267a 100644
> --- a/meta/classes/sstate.bbclass
> +++ b/meta/classes/sstate.bbclass
> @@ -1,17 +1,19 @@
> SSTATE_VERSION = "5"
>
> +SSTATE_ZSTD_CLEVEL = "8"
>
Giving the user the ability to adjust the compression level can be useful.
Using a weak default value (?? = "8") gives the possibility to use a
default value (?=) in local.conf
that can be overwritten at recipe level.
Sets only a default value on the class can be more appropriate and fits
most use cases.
SSTATE_ZSTD_CLEVEL ?= "8"
> +
> SSTATE_MANIFESTS ?= "${TMPDIR}/sstate-control"
> SSTATE_MANFILEPREFIX =
> "${SSTATE_MANIFESTS}/manifest-${SSTATE_MANMACH}-${PN}"
>
> def generate_sstatefn(spec, hash, taskname, siginfo, d):
> if taskname is None:
> return ""
> - extension = ".tgz"
> + extension = ".tar.zst"
> # 8 chars reserved for siginfo
> limit = 254 - 8
> if siginfo:
> limit = 254
> - extension = ".tgz.siginfo"
> + extension = ".tar.zst.siginfo"
> if not hash:
> hash = "INVALID"
> fn = spec + hash + "_" + taskname + extension
> @@ -37,7 +39,7 @@ SSTATE_PKGNAME =
> "${SSTATE_EXTRAPATH}${@generate_sstatefn(d.getVar('SSTATE_PK
> SSTATE_PKG = "${SSTATE_DIR}/${SSTATE_PKGNAME}"
> SSTATE_EXTRAPATH = ""
> SSTATE_EXTRAPATHWILDCARD = ""
> -SSTATE_PATHSPEC =
> "${SSTATE_DIR}/${SSTATE_EXTRAPATHWILDCARD}*/*/${SSTATE_PKGSPEC}*_${SSTATE_PATH_CURRTASK}.tgz*"
> +SSTATE_PATHSPEC =
> "${SSTATE_DIR}/${SSTATE_EXTRAPATHWILDCARD}*/*/${SSTATE_PKGSPEC}*_${SSTATE_PATH_CURRTASK}.tar.zst*"
>
> # explicitly make PV to depend on evaluated value of PV variable
> PV[vardepvalue] = "${PV}"
> @@ -832,23 +834,24 @@ sstate_create_package () {
> mkdir --mode=0775 -p `dirname ${SSTATE_PKG}`
> TFILE=`mktemp ${SSTATE_PKG}.XXXXXXXX`
>
> - # Use pigz if available
> - OPT="-czS"
> - if [ -x "$(command -v pigz)" ]; then
> - OPT="-I pigz -cS"
> + OPT="-cS"
> + ZSTD="zstd -${SSTATE_ZSTD_CLEVEL} -T${ZSTD_THREADS}"
> + # Use pzstd if available
> + if [ -x "$(command -v pzstd)" ]; then
> + ZSTD="pzstd -${SSTATE_ZSTD_CLEVEL} -p ${ZSTD_THREADS}"
> fi
>
> # Need to handle empty directories
> if [ "$(ls -A)" ]; then
> set +e
> - tar $OPT -f $TFILE *
> + tar -I "$ZSTD" $OPT -f $TFILE *
> ret=$?
> if [ $ret -ne 0 ] && [ $ret -ne 1 ]; then
> exit 1
> fi
> set -e
> else
> - tar $OPT --file=$TFILE --files-from=/dev/null
> + tar -I "$ZSTD" $OPT --file=$TFILE --files-from=/dev/null
> fi
> chmod 0664 $TFILE
> # Skip if it was already created by some other process
> @@ -887,7 +890,13 @@ python sstate_report_unihash() {
> # Will be run from within SSTATE_INSTDIR.
> #
> sstate_unpack_package () {
> - tar -xvzf ${SSTATE_PKG}
> + ZSTD="zstd -T${ZSTD_THREADS}"
> + # Use pzstd if available
> + if [ -x "$(command -v pzstd)" ]; then
> + ZSTD="pzstd -p ${ZSTD_THREADS}"
> + fi
> +
> + tar -I "$ZSTD" -xvf ${SSTATE_PKG}
> # update .siginfo atime on local/NFS mirror
> [ -O ${SSTATE_PKG}.siginfo ] && [ -w ${SSTATE_PKG}.siginfo ] && [
> -h ${SSTATE_PKG}.siginfo ] && touch -a ${SSTATE_PKG}.siginfo
> # Use "! -w ||" to return true for read only files
> diff --git a/meta/lib/oeqa/selftest/cases/signing.py
> b/meta/lib/oeqa/selftest/cases/signing.py
> index af7a0b8b45..6f3d4aeae9 100644
> --- a/meta/lib/oeqa/selftest/cases/signing.py
> +++ b/meta/lib/oeqa/selftest/cases/signing.py
> @@ -159,13 +159,13 @@ class Signing(OESelftestTestCase):
> bitbake('-c clean %s' % test_recipe)
> bitbake('-c populate_lic %s' % test_recipe)
>
> - recipe_sig = glob.glob(sstatedir +
> '/*/*/*:ed:*_populate_lic.tgz.sig')
> - recipe_tgz = glob.glob(sstatedir +
> '/*/*/*:ed:*_populate_lic.tgz')
> + recipe_sig = glob.glob(sstatedir +
> '/*/*/*:ed:*_populate_lic.tar.zst.sig')
> + recipe_archive = glob.glob(sstatedir +
> '/*/*/*:ed:*_populate_lic.tar.zst')
>
> self.assertEqual(len(recipe_sig), 1, 'Failed to find .sig
> file.')
> - self.assertEqual(len(recipe_tgz), 1, 'Failed to find .tgz
> file.')
> + self.assertEqual(len(recipe_archive), 1, 'Failed to find
> .tar.zst file.')
>
> - ret = runCmd('gpg --homedir %s --verify %s %s' %
> (self.gpg_dir, recipe_sig[0], recipe_tgz[0]))
> + ret = runCmd('gpg --homedir %s --verify %s %s' %
> (self.gpg_dir, recipe_sig[0], recipe_archive[0]))
> # gpg: Signature made Thu 22 Oct 2015 01:45:09 PM EEST using
> RSA key ID 61EEFB30
> # gpg: Good signature from "testuser (nocomment) <
> testu...@email.com>"
> self.assertIn('gpg: Good signature from', ret.output,
> 'Package signed incorrectly.')
> diff --git a/meta/lib/oeqa/selftest/cases/sstatetests.py
> b/meta/lib/oeqa/selftest/cases/sstatetests.py
> index 874f439282..3dab607eeb 100644
> --- a/meta/lib/oeqa/selftest/cases/sstatetests.py
> +++ b/meta/lib/oeqa/selftest/cases/sstatetests.py
> @@ -68,7 +68,7 @@ class SStateTests(SStateBase):
> results = self.search_sstate('|'.join(map(str, targets)),
> distro_specific, distro_nonspecific)
> if distro_nonspecific:
> for r in results:
> - if r.endswith(("_populate_lic.tgz",
> "_populate_lic.tgz.siginfo", "_fetch.tgz.siginfo", "_unpack.tgz.siginfo",
> "_patch.tgz.siginfo")):
> + if r.endswith(("_populate_lic.tar.zst",
> "_populate_lic.tar.zst.siginfo", "_fetch.tar.zst.siginfo",
> "_unpack.tar.zst.siginfo", "_patch.tar.zst.siginfo")):
> continue
> file_tracker.append(r)
> else:
> @@ -98,15 +98,15 @@ class SStateTests(SStateBase):
> bitbake(['-ccleansstate'] + targets)
>
> bitbake(targets)
> - tgz_created = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tgz$' for s in targets])), distro_specific, distro_nonspecific)
> - self.assertTrue(tgz_created, msg="Could not find sstate .tgz
> files for: %s (%s)" % (', '.join(map(str, targets)), str(tgz_created)))
> + archives_created = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tar.zst$' for s in targets])), distro_specific, distro_nonspecific)
> + self.assertTrue(archives_created, msg="Could not find sstate
> .tar.zst files for: %s (%s)" % (', '.join(map(str, targets)),
> str(archives_created)))
>
> siginfo_created = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.siginfo$' for s in targets])), distro_specific, distro_nonspecific)
> self.assertTrue(siginfo_created, msg="Could not find sstate
> .siginfo files for: %s (%s)" % (', '.join(map(str, targets)),
> str(siginfo_created)))
>
> bitbake(['-ccleansstate'] + targets)
> - tgz_removed = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tgz$' for s in targets])), distro_specific, distro_nonspecific)
> - self.assertTrue(not tgz_removed, msg="do_cleansstate didn't
> remove .tgz sstate files for: %s (%s)" % (', '.join(map(str, targets)),
> str(tgz_removed)))
> + archives_removed = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tar.zst$' for s in targets])), distro_specific, distro_nonspecific)
> + self.assertTrue(not archives_removed, msg="do_cleansstate didn't
> remove .tar.zst sstate files for: %s (%s)" % (', '.join(map(str, targets)),
> str(archives_removed)))
>
> def test_cleansstate_task_distro_specific_nonspecific(self):
> targets = ['binutils-cross-'+ self.tune_arch, 'binutils-native']
> @@ -129,14 +129,14 @@ class SStateTests(SStateBase):
> bitbake(['-ccleansstate'] + targets)
>
> bitbake(targets)
> - results = self.search_sstate('|'.join(map(str, [s + r'.*?\.tgz$'
> for s in targets])), distro_specific=False, distro_nonspecific=True)
> + results = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tar.zst$' for s in targets])), distro_specific=False,
> distro_nonspecific=True)
> filtered_results = []
> for r in results:
> - if r.endswith(("_populate_lic.tgz",
> "_populate_lic.tgz.siginfo")):
> + if r.endswith(("_populate_lic.tar.zst",
> "_populate_lic.tar.zst.siginfo")):
> continue
> filtered_results.append(r)
> self.assertTrue(filtered_results == [], msg="Found distro
> non-specific sstate for: %s (%s)" % (', '.join(map(str, targets)),
> str(filtered_results)))
> - file_tracker_1 = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tgz$' for s in targets])), distro_specific=True,
> distro_nonspecific=False)
> + file_tracker_1 = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tar.zst$' for s in targets])), distro_specific=True,
> distro_nonspecific=False)
> self.assertTrue(len(file_tracker_1) >= len(targets), msg = "Not
> all sstate files were created for: %s" % ', '.join(map(str, targets)))
>
> self.track_for_cleanup(self.distro_specific_sstate + "_old")
> @@ -145,7 +145,7 @@ class SStateTests(SStateBase):
>
> bitbake(['-cclean'] + targets)
> bitbake(targets)
> - file_tracker_2 = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tgz$' for s in targets])), distro_specific=True,
> distro_nonspecific=False)
> + file_tracker_2 = self.search_sstate('|'.join(map(str, [s +
> r'.*?\.tar.zst$' for s in targets])), distro_specific=True,
> distro_nonspecific=False)
> self.assertTrue(len(file_tracker_2) >= len(targets), msg = "Not
> all sstate files were created for: %s" % ', '.join(map(str, targets)))
>
> not_recreated = [x for x in file_tracker_1 if x not in
> file_tracker_2]
> @@ -188,18 +188,18 @@ class SStateTests(SStateBase):
> if not sstate_arch in sstate_archs_list:
> sstate_archs_list.append(sstate_arch)
> if target_config[idx] == target_config[-1]:
> - target_sstate_before_build = self.search_sstate(target +
> r'.*?\.tgz$')
> + target_sstate_before_build = self.search_sstate(target +
> r'.*?\.tar.zst$')
> bitbake("-cclean %s" % target)
> result = bitbake(target, ignore_status=True)
> if target_config[idx] == target_config[-1]:
> - target_sstate_after_build = self.search_sstate(target +
> r'.*?\.tgz$')
> + target_sstate_after_build = self.search_sstate(target +
> r'.*?\.tar.zst$')
> expected_remaining_sstate += [x for x in
> target_sstate_after_build if x not in target_sstate_before_build if not
> any(pattern in x for pattern in ignore_patterns)]
> self.remove_config(global_config[idx])
> self.remove_recipeinc(target, target_config[idx])
> self.assertEqual(result.status, 0, msg = "build of %s failed
> with %s" % (target, result.output))
>
> runCmd("sstate-cache-management.sh -y --cache-dir=%s
> --remove-duplicated --extra-archs=%s" % (self.sstate_path,
> ','.join(map(str, sstate_archs_list))))
> - actual_remaining_sstate = [x for x in self.search_sstate(target +
> r'.*?\.tgz$') if not any(pattern in x for pattern in ignore_patterns)]
> + actual_remaining_sstate = [x for x in self.search_sstate(target +
> r'.*?\.tar.zst$') if not any(pattern in x for pattern in ignore_patterns)]
>
> actual_not_expected = [x for x in actual_remaining_sstate if x
> not in expected_remaining_sstate]
> self.assertFalse(actual_not_expected, msg="Files should have been
> removed but were not: %s" % ', '.join(map(str, actual_not_expected)))
> diff --git a/scripts/sstate-cache-management.sh
> b/scripts/sstate-cache-management.sh
> index f1706a2229..d39671f7c6 100755
> --- a/scripts/sstate-cache-management.sh
> +++ b/scripts/sstate-cache-management.sh
> @@ -114,7 +114,7 @@ echo_error () {
> # * Add .done/.siginfo to the remove list
> # * Add destination of symlink to the remove list
> #
> -# $1: output file, others: sstate cache file (.tgz)
> +# $1: output file, others: sstate cache file (.tar.zst)
> gen_rmlist (){
> local rmlist_file="$1"
> shift
> @@ -131,13 +131,13 @@ gen_rmlist (){
> dest="`readlink -e $i`"
> if [ -n "$dest" ]; then
> echo $dest >> $rmlist_file
> - # Remove the .siginfo when .tgz is removed
> + # Remove the .siginfo when .tar.zst is removed
> if [ -f "$dest.siginfo" ]; then
> echo $dest.siginfo >> $rmlist_file
> fi
> fi
> fi
> - # Add the ".tgz.done" and ".siginfo.done" (may exist in the
> future)
> + # Add the ".tar.zst.done" and ".siginfo.done" (may exist in the
> future)
> base_fn="${i##/*/}"
> t_fn="$base_fn.done"
> s_fn="$base_fn.siginfo.done"
> @@ -188,10 +188,10 @@ remove_duplicated () {
> total_files=`find $cache_dir -name 'sstate*' | wc -l`
> # Save all the sstate files in a file
> sstate_files_list=`mktemp` || exit 1
> - find $cache_dir -name 'sstate:*:*:*:*:*:*:*.tgz*' >$sstate_files_list
> + find $cache_dir -iname 'sstate:*:*:*:*:*:*:*.tar.zst*'
> >$sstate_files_list
>
> echo "Figuring out the suffixes in the sstate cache dir ... "
> - sstate_suffixes="`sed
> 's%.*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^_]*_\([^:]*\)\.tgz.*%\1%g'
> $sstate_files_list | sort -u`"
> + sstate_suffixes="`sed
> 's%.*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^_]*_\([^:]*\)\.tar\.zst.*%\1%g'
> $sstate_files_list | sort -u`"
> echo "Done"
> echo "The following suffixes have been found in the cache dir:"
> echo $sstate_suffixes
> @@ -200,10 +200,10 @@ remove_duplicated () {
> # Using this SSTATE_PKGSPEC definition it's 6th colon separated field
> # SSTATE_PKGSPEC =
> "sstate:${PN}:${PACKAGE_ARCH}${TARGET_VENDOR}-${TARGET_OS}:${PV}:${PR}:${SSTATE_PKGARCH}:${SSTATE_VERSION}:"
> for arch in $all_archs; do
> - grep -q ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:$arch:[^:]*:[^:]*\.tgz$"
> $sstate_files_list
> + grep -q
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:$arch:[^:]*:[^:]*\.tar\.zst$"
> $sstate_files_list
> [ $? -eq 0 ] && ava_archs="$ava_archs $arch"
> # ${builder_arch}_$arch used by toolchain sstate
> - grep -q
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:${builder_arch}_$arch:[^:]*:[^:]*\.tgz$"
> $sstate_files_list
> + grep -q
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:${builder_arch}_$arch:[^:]*:[^:]*\.tar\.zst$"
> $sstate_files_list
> [ $? -eq 0 ] && ava_archs="$ava_archs ${builder_arch}_$arch"
> done
> echo "Done"
> @@ -219,13 +219,13 @@ remove_duplicated () {
> continue
> fi
> # Total number of files including .siginfo and .done files
> - total_files_suffix=`grep
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:_]*_$suffix\.tgz.*"
> $sstate_files_list | wc -l 2>/dev/null`
> - total_tgz_suffix=`grep
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:_]*_$suffix\.tgz$"
> $sstate_files_list | wc -l 2>/dev/null`
> + total_files_suffix=`grep
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:_]*_$suffix\.tar\.zst.*"
> $sstate_files_list | wc -l 2>/dev/null`
> + total_archive_suffix=`grep
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:_]*_$suffix\.tar\.zst$"
> $sstate_files_list | wc -l 2>/dev/null`
> # Save the file list to a file, some suffix's file may not exist
> - grep
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:_]*_$suffix\.tgz.*"
> $sstate_files_list >$list_suffix 2>/dev/null
> - local deleted_tgz=0
> + grep
> ".*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:_]*_$suffix\.tar\.zst.*"
> $sstate_files_list >$list_suffix 2>/dev/null
> + local deleted_archives=0
> local deleted_files=0
> - for ext in tgz tgz.siginfo tgz.done; do
> + for ext in tar.zst tar.zst.siginfo tar.zst.done; do
> echo "Figuring out the sstate:xxx_$suffix.$ext ... "
> # Uniq BPNs
> file_names=`for arch in $ava_archs ""; do
> @@ -268,19 +268,19 @@ remove_duplicated () {
> done
> done
> done
> - deleted_tgz=`cat $rm_list.* 2>/dev/null | grep ".tgz$" | wc -l`
> + deleted_archives=`cat $rm_list.* 2>/dev/null | grep "\.tar\.zst$" |
> wc -l`
> deleted_files=`cat $rm_list.* 2>/dev/null | wc -l`
> [ "$deleted_files" -gt 0 -a $debug -gt 0 ] && cat $rm_list.*
> - echo "($deleted_tgz out of $total_tgz_suffix .tgz files for $suffix
> suffix will be removed or $deleted_files out of $total_files_suffix when
> counting also .siginfo and .done files)"
> + echo "($deleted_archives out of $total_archives_suffix .tar.zst
> files for $suffix suffix will be removed or $deleted_files out of
> $total_files_suffix when counting also .siginfo and .done files)"
> let total_deleted=$total_deleted+$deleted_files
> done
> - deleted_tgz=0
> + deleted_archives=0
> rm_old_list=$remove_listdir/sstate-old-filenames
> - find $cache_dir -name 'sstate-*.tgz' >$rm_old_list
> - [ -s "$rm_old_list" ] && deleted_tgz=`cat $rm_old_list | grep ".tgz$" |
> wc -l`
> + find $cache_dir -name 'sstate-*.tar.zst' >$rm_old_list
> + [ -s "$rm_old_list" ] && deleted_archives=`cat $rm_old_list | grep
> "\.tar\.zst$" | wc -l`
> [ -s "$rm_old_list" ] && deleted_files=`cat $rm_old_list | wc -l`
> [ -s "$rm_old_list" -a $debug -gt 0 ] && cat $rm_old_list
> - echo "($deleted_tgz .tgz files with old sstate-* filenames will be
> removed or $deleted_files when counting also .siginfo and .done files)"
> + echo "($deleted_archives or .tar.zst files with old sstate-* filenames
> will be removed or $deleted_files when counting also .siginfo and .done
> files)"
> let total_deleted=$total_deleted+$deleted_files
>
> rm -f $list_suffix
> @@ -289,7 +289,7 @@ remove_duplicated () {
> read_confirm
> if [ "$confirm" = "y" -o "$confirm" = "Y" ]; then
> for list in `ls $remove_listdir/`; do
> - echo "Removing $list.tgz (`cat $remove_listdir/$list | wc
> -w` files) ... "
> + echo "Removing $list.tar.zst archive (`cat
> $remove_listdir/$list | wc -w` files) ... "
> # Remove them one by one to avoid the argument list too
> long error
> for i in `cat $remove_listdir/$list`; do
> rm -f $verbose $i
> @@ -322,7 +322,7 @@ rm_by_stamps (){
> find $cache_dir -type f -name 'sstate*' | sort -u -o $cache_list
>
> echo "Figuring out the suffixes in the sstate cache dir ... "
> - local sstate_suffixes="`sed
> 's%.*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^_]*_\([^:]*\)\.tgz.*%\1%g'
> $cache_list | sort -u`"
> + local sstate_suffixes="`sed
> 's%.*/sstate:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^:]*:[^_]*_\([^:]*\)\.tar\.zst.*%\1%g'
> $cache_list | sort -u`"
> echo "Done"
> echo "The following suffixes have been found in the cache dir:"
> echo $sstate_suffixes
> --
> 2.31.1
>
>
>
>
>
--
Best regards,
José Quaresma
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