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armbian-next: better ccache logs/stats/Docker-support/use in u-boot/kernel

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- introduce `SHOW_CCACHE=yes` for detailed ccache statistics and logging
- fix: kernel build is done under "env -i", so pass CCACHE_DIR down to Make if CCACHE_DIR is set...
- split from kernel.sh, show stats also for u-boot targets; show compile time
- add volume definition (under `${SRC}/cache/ccache`); auto-use that in Docker builds via `CCACHE_DIR`
- better logging for `do_with_ccache_statistics()`
- there's some CCACHE_DIR code from before; unify @TODO
This commit is contained in:
Ricardo Pardini
2022-11-15 01:10:06 +01:00
parent 093336e914
commit b2d02071bd
7 changed files with 84 additions and 16 deletions
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24
lib/functions/compilation/kernel.sh
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@@ -10,7 +10,6 @@ function run_kernel_make_internal() {
declare -a -g DISTCC_MAKE_J_PARALLEL=()
prepare_distcc_compilation_config
common_make_envs=(
"CCACHE_BASEDIR=\"$(pwd)\"" # Base directory for ccache, for cache reuse # @TODO: experiment with this and the source path to maximize hit rate
"PATH=\"${toolchain}:${PATH}\"" # Insert the toolchain first into the PATH.
@@ -19,14 +18,19 @@ function run_kernel_make_internal() {
"TERM='${TERM}'" # Pass the terminal type, so that 'make menuconfig' can work.
)
# If CCACHE_DIR is set, pass it to the kernel build; Pass the ccache dir explicitly, since we'll run under "env -i"
if [[ -n "${CCACHE_DIR}" ]]; then
common_make_envs+=("CCACHE_DIR='${CCACHE_DIR}'")
fi
# Add the distcc envs, if any.
common_make_envs+=("${DISTCC_EXTRA_ENVS[@]}")
common_make_params_quoted=(
# @TODO: introduce O=path/to/binaries, so sources and bins are not in the same dir.
"${DISTCC_MAKE_J_PARALLEL[@]}" # Parallel compile, "-j X" for X cpus; determined by distcc, or is just "$CTHREADS" if distcc is not enabled.
"ARCH=${ARCHITECTURE}" # Key param. Everything depends on this.
"LOCALVERSION=-${LINUXFAMILY}" # Change the internal kernel version to include the family. Changing this causes recompiles # @TODO change to "localversion" file
@@ -35,8 +39,8 @@ function run_kernel_make_internal() {
"SOURCE_DATE_EPOCH=${kernel_base_revision_ts}" # https://reproducible-builds.org/docs/source-date-epoch/ and https://www.kernel.org/doc/html/latest/kbuild/reproducible-builds.html
"KBUILD_BUILD_TIMESTAMP=${kernel_base_revision_date}" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-timestamp
"KBUILD_BUILD_USER=armbian-build" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-user-kbuild-build-host
"KBUILD_BUILD_HOST=armbian-bm" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-user-kbuild-build-host
"KBUILD_BUILD_USER=armbian" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-user-kbuild-build-host
"KBUILD_BUILD_HOST=next" # https://www.kernel.org/doc/html/latest/kbuild/kbuild.html#kbuild-build-user-kbuild-build-host
"KGZIP=pigz" "KBZIP2=pbzip2" # Parallel compression, use explicit parallel compressors https://lore.kernel.org/lkml/20200901151002.988547791@linuxfoundation.org/
)
@@ -472,13 +476,3 @@ function kernel_build_and_package() {
display_alert "Kernel built and packaged in" "$((SECONDS - ts)) seconds - ${version}-${LINUXFAMILY}" "info"
}
function do_with_ccache_statistics() {
display_alert "Clearing ccache statistics" "ccache" "debug"
ccache --zero-stats
"$@"
display_alert "Display ccache statistics" "ccache" "debug"
run_host_command_logged ccache --show-stats
}