ci: run on arm64 github-hosted runners

Github recently started offering arm64 runners, so we can take
advantage of that to add arm64 testing for free [1].

Setting up other architectures will require QEMU/docker setup similar
to libbpf [2].

[1] https://github.blog/news-insights/product-news/arm64-on-github-actions-powering-faster-more-efficient-build-systems/
[2] https://github.com/libbpf/libbpf/blob/master/.github/workflows/build.yml

Signed-off-by: Ihor Solodrai <[email protected]>

.github/scripts/setup.sh

@@ -15,12 +15,13 @@ apt-get install -y curl file gawk libfuse2t64 make sudo
 apt-get install -y gcc-${GCC_VERSION} g++-${GCC_VERSION}
 
 # Download bpftrace release
-BIN_DIR=/usr/local/bin
-mkdir -p $BIN_DIR
-curl -L -o bpftrace https://github.com/bpftrace/bpftrace/releases/download/v${BPFTRACE_VERSION}/bpftrace
-chmod +x bpftrace
-mv bpftrace $BIN_DIR
-bpftrace --version
+apt-get install -y bpftrace
+# BIN_DIR=/usr/local/bin
+# mkdir -p $BIN_DIR
+# curl -L -o bpftrace https://github.com/bpftrace/bpftrace/releases/download/v${BPFTRACE_VERSION}/bpftrace
+# chmod +x bpftrace
+# mv bpftrace $BIN_DIR
+# bpftrace --version
 
 # mount tracefs to avoid warnings from bpftrace
 grep -q tracefs /proc/mounts || mount -t tracefs tracefs /sys/kernel/tracing

.github/workflows/test.yml

@@ -9,14 +9,15 @@ on:
 jobs:
   build-and-test:
 
-    runs-on: ubuntu-latest
-
     strategy:
       matrix:
-        gcc-version: [ 10, 11, 12, 13, 14 ]
+        runs-on: [ 'ubuntu-latest', 'ubuntu-24.04-arm' ]
         shared: [ 0, 1 ]
+        gcc-version: [ 10, 11, 12, 13, 14 ]
+
+    runs-on: ${{ matrix.runs-on }}
 
-    name: gcc-${{ matrix.gcc-version }} SHARED=${{ matrix.shared }}
+    name: ${{ endsWith(matrix.runs-on, '-arm') && 'arm64' || 'x86_64' }} SHARED=${{ matrix.shared }} gcc-${{ matrix.gcc-version }}
 
     env:
       GCC_VERSION: ${{ matrix.gcc-version }}