zstd has similar time and space performance in compression but is
vastly faster in decompression, which benefits rootfs creation
(especially when installing very large packages) and on-target
package installation.
Signed-off-by: Alexander Kanavin <alex.kana...@gmail.com>
---
meta/classes/package_rpm.bbclass | 4 ++--
meta/conf/bitbake.conf | 3 +++
2 files changed, 5 insertions(+), 2 deletions(-)
diff --git a/meta/classes/package_rpm.bbclass b/meta/classes/package_rpm.bbclass
index 88d861c0e7..fc1e4b3a4a 100644
--- a/meta/classes/package_rpm.bbclass
+++ b/meta/classes/package_rpm.bbclass
@@ -684,8 +684,8 @@ python do_package_rpm () {
cmd = cmd + " --define '_use_internal_dependency_generator 0'"
cmd = cmd + " --define '_binaries_in_noarch_packages_terminate_build 0'"
cmd = cmd + " --define '_build_id_links none'"
- cmd = cmd + " --define '_binary_payload w6T%d.xzdio'" %
int(d.getVar("XZ_THREADS"))
- cmd = cmd + " --define '_source_payload w6T%d.xzdio'" %
int(d.getVar("XZ_THREADS"))
+ cmd = cmd + " --define '_binary_payload w19T%d.zstdio'" %
int(d.getVar("ZSTD_THREADS"))
+ cmd = cmd + " --define '_source_payload w19T%d.zstdio'" %
int(d.getVar("ZSTD_THREADS"))
cmd = cmd + " --define 'clamp_mtime_to_source_date_epoch 1'"
cmd = cmd + " --define 'use_source_date_epoch_as_buildtime 1'"
cmd = cmd + " --define '_buildhost reproducible'"
diff --git a/meta/conf/bitbake.conf b/meta/conf/bitbake.conf
index 2140d498f7..52d40738f4 100644
--- a/meta/conf/bitbake.conf
+++ b/meta/conf/bitbake.conf
@@ -814,6 +814,9 @@ XZ_THREADS ?= "${@oe.utils.cpu_count(at_least=2)}"
XZ_DEFAULTS ?= "--memlimit=${XZ_MEMLIMIT} --threads=${XZ_THREADS}"
XZ_DEFAULTS[vardepsexclude] += "XZ_MEMLIMIT XZ_THREADS"
+# Default parallelism for zstd
+ZSTD_THREADS ?= "${@oe.utils.cpu_count(at_least=2)}"
+
# Limit the number of threads that OpenMP libraries will use. Otherwise they
# may fallback to using all CPUs
export OMP_NUM_THREADS = "${BB_NUMBER_THREADS}"
--
2.31.1
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