Manual hotfix for:
(works on my machine, use at your discretion)
| #!/usr/bin/env bash | |
| # Usage: sudo bash build-perf.sh | |
| set -euo pipefail | |
| # --- Helpers --- | |
| log() { echo -e "\033[1;32m==>\033[0m $*"; } | |
| err() { echo -e "\033[1;31m[ERR]\033[0m $*" >&2; } | |
| [[ $EUID -eq 0 ]] || { | |
| err "Please run as root (use: sudo bash build-perf.sh)" | |
| exit 1 | |
| } | |
| export DEBIAN_FRONTEND=noninteractive | |
| FULLREL="$(uname -r)" # e.g. 6.14.0-29-generic | |
| MAJMIN="$(uname -r | awk -F'[.-]' '{print $1 "." $2}')" # e.g. 6.14 | |
| WRAP_DIR="/usr/lib/linux-tools/${FULLREL}" | |
| log "Detected running kernel: ${FULLREL}" | |
| log "Using upstream kernel source line: ${MAJMIN}" | |
| # --- Install deps --- | |
| log "Installing build dependencies..." | |
| apt-get update -y | |
| apt-get install -y \ | |
| build-essential make gcc g++ pkg-config flex bison \ | |
| curl ca-certificates xz-utils tar \ | |
| libelf-dev libdw-dev libdwarf-dev libunwind-dev \ | |
| libnuma-dev libssl-dev libcap-dev \ | |
| zlib1g-dev liblzma-dev libzstd-dev \ | |
| libaio-dev libtraceevent-dev libpfm4-dev \ | |
| libslang2-dev systemtap-sdt-dev \ | |
| python3 python3-dev python3-setuptools \ | |
| binutils-dev libiberty-dev libbabeltrace-dev \ | |
| libbfd-dev clang llvm || true | |
| apt-get install -y debuginfod || true | |
| # --- Fetch kernel sources --- | |
| WORKDIR="$(mktemp -d -t perfbuild-XXXXXX)" | |
| trap 'rm -rf "$WORKDIR"' EXIT | |
| pushd "$WORKDIR" >/dev/null | |
| BASE_URL="https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x" | |
| ARCHIVE="" | |
| for f in "linux-${MAJMIN}.tar.xz" "linux-${MAJMIN}.tar.gz"; do | |
| log "Downloading: ${BASE_URL}/${f}" | |
| if curl -fsSLO "${BASE_URL}/${f}"; then | |
| ARCHIVE="$f" | |
| break | |
| fi | |
| done | |
| [[ -n "$ARCHIVE" ]] || { | |
| err "Failed to download linux-${MAJMIN} from ${BASE_URL}" | |
| exit 2 | |
| } | |
| log "Extracting ${ARCHIVE} ..." | |
| tar -xf "${ARCHIVE}" | |
| SRC_DIR="${WORKDIR}/linux-${MAJMIN}" | |
| [[ -d "${SRC_DIR}/tools/perf" ]] || { | |
| err "tools/perf not found in sources" | |
| exit 3 | |
| } | |
| [[ -d "${SRC_DIR}/tools/bpf/bpftool" ]] || { | |
| err "tools/bpf/bpftool not found in sources" | |
| exit 3 | |
| } | |
| # --- Build perf --- | |
| pushd "${SRC_DIR}/tools/perf" >/dev/null | |
| log "Building perf (WERROR=0) ..." | |
| make -j"$(nproc)" WERROR=0 | |
| log "Built perf version: $(./perf --version)" | |
| popd >/dev/null | |
| # --- Build bpftool --- | |
| pushd "${SRC_DIR}/tools/bpf/bpftool" >/dev/null | |
| log "Building bpftool ..." | |
| make -j"$(nproc)" | |
| log "Built bpftool version: $(./bpftool version || true)" | |
| popd >/dev/null | |
| # --- Install into wrapper path(s) --- | |
| log "Installing perf to ${WRAP_DIR}/perf" | |
| install -d "${WRAP_DIR}" | |
| install -m 0755 "${SRC_DIR}/tools/perf/perf" "${WRAP_DIR}/perf" | |
| log "Installing bpftool to ${WRAP_DIR}/bpftool" | |
| install -m 0755 "${SRC_DIR}/tools/bpf/bpftool/bpftool" "${WRAP_DIR}/bpftool" | |
| # --- Verify via Ubuntu wrappers --- | |
| log "Verifying /usr/bin/perf (Ubuntu wrapper) ..." | |
| if /usr/bin/perf --version >/dev/null 2>&1; then | |
| /usr/bin/perf --version | |
| log "Success: wrapper found perf at ${WRAP_DIR}/perf" | |
| else | |
| err "Wrapper did not run perf. Check that ${WRAP_DIR}/perf exists and is executable." | |
| ls -l "${WRAP_DIR}/perf" || true | |
| exit 4 | |
| fi | |
| log "Verifying /usr/sbin/bpftool (Ubuntu wrapper) ..." | |
| if /usr/sbin/bpftool version >/dev/null 2>&1; then | |
| /usr/sbin/bpftool version | |
| log "Success: wrapper found bpftool at ${WRAP_DIR}/bpftool" | |
| else | |
| err "Wrapper did not run bpftool. Check that ${WRAP_DIR}/bpftool exists and is executable." | |
| ls -l "${WRAP_DIR}/bpftool" || true | |
| exit 5 | |
| fi | |
| log "Done." |