ci: try bpftrace arm64 binary

.github/scripts/install-bpftrace.sh

@@ -3,27 +3,19 @@
 set -x -euo pipefail
 
 BPFTRACE_VERSION=${BPFTRACE_VERSION:-0.22.1}
-BUILD_BPFTRACE=${BUILD_BPFTRACE:-}
-
 BIN_DIR=/usr/local/bin
 sudo mkdir -p $BIN_DIR
 
-if [[ -n "$BUILD_BPFTRACE" ]]; then
-    # see https://github.com/bpftrace/bpftrace/blob/master/docker/Dockerfile.ubuntu
-    sudo apt-get install -y \
-         asciidoctor binutils-dev bison build-essential clang cmake flex git libbpf-dev \
-         libbpfcc-dev libcereal-dev libelf-dev libiberty-dev libpcap-dev llvm-dev liblldb-dev \
-         libclang-dev systemtap-sdt-dev zlib1g-dev
-    git clone --depth 1 -b v${BPFTRACE_VERSION} https://github.com/bpftrace/bpftrace
-    cd bpftrace/src
-    cmake -B build -DBUILD_TESTING=OFF -DCMAKE_BUILD_TYPE=Release -DLLVM_DIR=$(llvm-config --prefix)/lib/cmake/llvm
-    make -C build -j$(nproc)
-    cd -
-    sudo mv bpftrace/src/build/bpftrace $BIN_DIR/bpftrace
-else # download AppImage
-    sudo curl -L -o $BIN_DIR/bpftrace https://github.com/bpftrace/bpftrace/releases/download/v${BPFTRACE_VERSION}/bpftrace
+if [ $(uname -m) == "x86_64" ]; then
+     URL=https://github.com/bpftrace/bpftrace/releases/download/v${BPFTRACE_VERSION}/bpftrace
+elif [ $(uname -m) == "aarch64" ]; then
+     URL=https://github.com/theihor/bpftrace/releases/download/v${BPFTRACE_VERSION}-arm64/bpftrace-arm64
+else
+    echo "Unexpected arch: $(uname -m)"
+    exit 1
 fi
 
+sudo curl -L -o $BIN_DIR/bpftrace $URL
 sudo chmod +x $BIN_DIR/bpftrace
 
 # mount tracefs to avoid warnings from bpftrace

.github/workflows/test.yml

@@ -12,7 +12,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        runs-on: [ 'ubuntu-latest' ]
+        runs-on: [ 'ubuntu-latest', 'ubuntu-24.04-arm' ]
         shared: [ 0, 1 ]
         compiler:
           - { name: 'gcc', version: 11 }