From 27ff81bfd880280607c79dce2f724c8bfafce02d Mon Sep 17 00:00:00 2001 From: Mike Looijmans Date: Fri, 20 Mar 2020 15:45:20 +0100 Subject: classes/populate_sdk_base: Implement xz compression options Building an SDK on a machine with 8GB RAM resulted in excessive swapping due to the xz compressor using ~20GB of memory. This is because xz is being called with "-T 0 -9". To allow tuning the compression versus memory usage, introduce a variable named SDK_XZ_OPTIONS that defaults to a more sane default: SDK_XZ_OPTIONS ?= "${XZ_DEFAULTS} ${SDK_XZ_COMPRESSION_LEVEL}" The use of XZ_DEFAULTS fixes the excessive memory usage. The SDK_XZ_COMPRESSION_LEVEL variable allows overriding the speed vs compression. In an office or development environment the extra time spent on compressing a few percent more is just not worth it. (From OE-Core rev: 25533a48a19e3e6eb9f96be51b1373830b5bb9f0) Signed-off-by: Mike Looijmans Signed-off-by: Richard Purdie --- meta/classes/populate_sdk_base.bbclass | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/meta/classes/populate_sdk_base.bbclass b/meta/classes/populate_sdk_base.bbclass index 3248bb01c3..ef0d8bef58 100644 --- a/meta/classes/populate_sdk_base.bbclass +++ b/meta/classes/populate_sdk_base.bbclass @@ -49,6 +49,8 @@ TOOLCHAIN_OUTPUTNAME ?= "${SDK_NAME}-toolchain-${SDK_VERSION}" # Default archived SDK's suffix SDK_ARCHIVE_TYPE ?= "tar.xz" +SDK_XZ_COMPRESSION_LEVEL ?= "-9" +SDK_XZ_OPTIONS ?= "${XZ_DEFAULTS} ${SDK_XZ_COMPRESSION_LEVEL}" # To support different sdk type according to SDK_ARCHIVE_TYPE, now support zip and tar.xz python () { @@ -59,7 +61,7 @@ python () { d.setVar('SDK_ARCHIVE_CMD', 'cd ${SDK_OUTPUT}/${SDKPATH}; zip -r ${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE} .') else: d.setVar('SDK_ARCHIVE_DEPENDS', 'xz-native') - d.setVar('SDK_ARCHIVE_CMD', 'cd ${SDK_OUTPUT}/${SDKPATH}; tar ${SDKTAROPTS} -cf - . | xz -T 0 -9 > ${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE}') + d.setVar('SDK_ARCHIVE_CMD', 'cd ${SDK_OUTPUT}/${SDKPATH}; tar ${SDKTAROPTS} -cf - . | xz ${SDK_XZ_OPTIONS} > ${SDKDEPLOYDIR}/${TOOLCHAIN_OUTPUTNAME}.${SDK_ARCHIVE_TYPE}') } SDK_RDEPENDS = "${TOOLCHAIN_TARGET_TASK} ${TOOLCHAIN_HOST_TASK}" -- cgit v1.2.3-54-g00ecf