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authorChristian Marangi <ansuelsmth@gmail.com>2022-10-04 18:43:38 +0200
committerChristian Marangi <ansuelsmth@gmail.com>2022-12-04 17:36:56 +0100
commit431875b3dfa117cdf051941ad9efc118bba77a44 (patch)
treec163e297660c9c9e7e563de51b879f262117b79c /.github
parent8bbaa486cb6b7e816dc6931bcb0946786568f1d6 (diff)
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CI: kernel: use ccache to speedup workflow
Use ccache to speedup kernel compilation. Ccache dir is cached across each build test. To refresh ccache directory we generate an hash of the kernel include files, that includes the kernel versions of every kernel supported and the kernel compile includes. Signed-off-by: Christian Marangi <ansuelsmth@gmail.com> (cherry picked from commit 137ba15e6ef31534a2002a02e69b774232f0b040)
Diffstat (limited to '.github')
-rw-r--r--.github/workflows/kernel.yml17
1 files changed, 17 insertions, 0 deletions
diff --git a/.github/workflows/kernel.yml b/.github/workflows/kernel.yml
index c04e240192..99b8aefbe1 100644
--- a/.github/workflows/kernel.yml
+++ b/.github/workflows/kernel.yml
@@ -14,6 +14,7 @@ jobs:
outputs:
target: ${{ steps.find_targets.outputs.target }}
owner_lc: ${{ steps.lower_owner.outputs.owner_lc }}
+ ccache_hash: ${{ steps.ccache_hash.outputs.ccache_hash }}
steps:
- name: Checkout
@@ -26,6 +27,13 @@ jobs:
| tr '[:upper:]' '[:lower:]')
echo "::set-output name=owner_lc::$OWNER_LC"
+ - name: Generate ccache hash
+ id: ccache_hash
+ run: |
+ CCACHE_HASH=$(md5sum include/kernel-* | awk '{ print $1 }' \
+ | md5sum | awk '{ print $1 }')
+ echo "::set-output name=ccache_hash::$CCACHE_HASH"
+
- name: Set targets
id: find_targets
run: |
@@ -129,6 +137,14 @@ jobs:
path: openwrt/${{ env.TOOLCHAIN_FILE }}
key: ${{ env.TOOLCHAIN_FILE }}-${{ env.TOOLCHAIN_SHA256 }}
+ - name: Cache ccache
+ uses: actions/cache@v3
+ with:
+ path: openwrt/.ccache
+ key: ccache-kernel-${{ env.TARGET }}/${{ env.SUBTARGET }}-${{ needs.determine_targets.outputs.ccache_hash }}
+ restore-keys: |
+ ccache-kernel-${{ env.TARGET }}/${{ env.SUBTARGET }}-
+
- name: Download external toolchain
if: ${{ steps.cache-external-toolchain.outputs.cache-hit != 'true' }}
shell: su buildbot -c "sh -e {0}"
@@ -149,6 +165,7 @@ jobs:
echo CONFIG_ALL_KMODS=y >> .config
echo CONFIG_DEVEL=y >> .config
echo CONFIG_AUTOREMOVE=y >> .config
+ echo CONFIG_CCACHE=y >> .config
./scripts/ext-toolchain.sh \
--toolchain ${{ env.TOOLCHAIN_FILE }}/toolchain-* \