[oe-commits] Andrei Gherzan : image_types.bbclass: Add XZ variable to set number of threads to be used while compressing

[git at git.openembedded.org]

Module: openembedded-core.git
Branch: master
Commit: 81c8e8a81e90ce95042e9fff8bac6fa011c416d1
URL:    http://git.openembedded.org/?p=openembedded-core.git&a=commit;h=81c8e8a81e90ce95042e9fff8bac6fa011c416d1

Author: Andrei Gherzan <andrei at gherzan.ro>
Date:   Thu Jul 12 17:45:40 2012 +0300

image_types.bbclass: Add XZ variable to set number of threads to be used while compressing

Default this variable to 0. This will make xz use as many threads as there are CPU
cores on the system.

Signed-off-by: Koen Kooi <koen at dominion.thruhere.net>
Signed-off-by: Andrei Gherzan <andrei at gherzan.ro>
Signed-off-by: Saul Wold <sgw at linux.intel.com>

---

 meta/classes/image_types.bbclass |    3 ++-
 1 files changed, 2 insertions(+), 1 deletions(-)

diff --git a/meta/classes/image_types.bbclass b/meta/classes/image_types.bbclass
index 0e79820..b19ad3b 100644
--- a/meta/classes/image_types.bbclass
+++ b/meta/classes/image_types.bbclass
@@ -124,6 +124,7 @@ def imagetypes_getdepends(d):
 
 XZ_COMPRESSION_LEVEL ?= "-e -9"
 XZ_INTEGRITY_CHECK ?= "crc32"
+XZ_THREADS ?= "-T 0"
 
 IMAGE_CMD_jffs2 = "mkfs.jffs2 --root=${IMAGE_ROOTFS} --faketime --output=${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 -n ${EXTRA_IMAGECMD}"
 IMAGE_CMD_sum.jffs2 = "${IMAGE_CMD_jffs2} && sumtool -i ${DEPLOY_DIR_IMAGE}/${IMAGE_NAME}.rootfs.jffs2 \
@@ -236,7 +237,7 @@ COMPRESSIONTYPES = "gz bz2 lzma xz"
 COMPRESS_CMD_lzma = "lzma -k -f -7 ${IMAGE_NAME}.rootfs.${type}"
 COMPRESS_CMD_gz = "gzip -f -9 -c ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.gz"
 COMPRESS_CMD_bz2 = "bzip2 -f -k ${IMAGE_NAME}.rootfs.${type}"
-COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
+COMPRESS_CMD_xz = "xz -f -k -c ${XZ_COMPRESSION_LEVEL} ${XZ_THREADS} --check=${XZ_INTEGRITY_CHECK} ${IMAGE_NAME}.rootfs.${type} > ${IMAGE_NAME}.rootfs.${type}.xz"
 COMPRESS_DEPENDS_lzma = "xz-native"
 COMPRESS_DEPENDS_gz = ""
 COMPRESS_DEPENDS_bz2 = ""