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-rwxr-xr-xtools/testing/selftests/bpf/vmtest.sh26
1 files changed, 19 insertions, 7 deletions
diff --git a/tools/testing/selftests/bpf/vmtest.sh b/tools/testing/selftests/bpf/vmtest.sh
index 26ae8d0b6ce3..22554894db99 100755
--- a/tools/testing/selftests/bpf/vmtest.sh
+++ b/tools/testing/selftests/bpf/vmtest.sh
@@ -17,6 +17,9 @@ KCONFIG_URL="https://raw.githubusercontent.com/libbpf/libbpf/master/travis-ci/vm
KCONFIG_API_URL="https://api.github.com/repos/libbpf/libbpf/contents/travis-ci/vmtest/configs/latest.config"
INDEX_URL="https://raw.githubusercontent.com/libbpf/libbpf/master/travis-ci/vmtest/configs/INDEX"
NUM_COMPILE_JOBS="$(nproc)"
+LOG_FILE_BASE="$(date +"bpf_selftests.%Y-%m-%d_%H-%M-%S")"
+LOG_FILE="${LOG_FILE_BASE}.log"
+EXIT_STATUS_FILE="${LOG_FILE_BASE}.exit_status"
usage()
{
@@ -146,7 +149,6 @@ update_init_script()
local init_script_dir="${OUTPUT_DIR}/${MOUNT_DIR}/etc/rcS.d"
local init_script="${init_script_dir}/S50-startup"
local command="$1"
- local log_file="$2"
mount_image
@@ -163,11 +165,16 @@ EOF
sudo bash -c "cat >${init_script}" <<EOF
#!/bin/bash
+# Have a default value in the exit status file
+# incase the VM is forcefully stopped.
+echo "130" > "/root/${EXIT_STATUS_FILE}"
+
{
cd /root/bpf
echo ${command}
stdbuf -oL -eL ${command}
-} 2>&1 | tee /root/${log_file}
+ echo "\$?" > "/root/${EXIT_STATUS_FILE}"
+} 2>&1 | tee "/root/${LOG_FILE}"
poweroff -f
EOF
@@ -221,10 +228,12 @@ EOF
copy_logs()
{
local mount_dir="${OUTPUT_DIR}/${MOUNT_DIR}"
- local log_file="${mount_dir}/root/$1"
+ local log_file="${mount_dir}/root/${LOG_FILE}"
+ local exit_status_file="${mount_dir}/root/${EXIT_STATUS_FILE}"
mount_image
sudo cp ${log_file} "${OUTPUT_DIR}"
+ sudo cp ${exit_status_file} "${OUTPUT_DIR}"
sudo rm -f ${log_file}
unmount_image
}
@@ -263,7 +272,6 @@ main()
{
local script_dir="$(cd -P -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd -P)"
local kernel_checkout=$(realpath "${script_dir}"/../../../../)
- local log_file="$(date +"bpf_selftests.%Y-%m-%d_%H-%M-%S.log")"
# By default the script searches for the kernel in the checkout directory but
# it also obeys environment variables O= and KBUILD_OUTPUT=
local kernel_bzimage="${kernel_checkout}/${X86_BZIMAGE}"
@@ -347,19 +355,23 @@ main()
fi
update_selftests "${kernel_checkout}" "${make_command}"
- update_init_script "${command}" "${log_file}"
+ update_init_script "${command}"
run_vm "${kernel_bzimage}"
- copy_logs "${log_file}"
- echo "Logs saved in ${OUTPUT_DIR}/${log_file}"
+ copy_logs
+ echo "Logs saved in ${OUTPUT_DIR}/${LOG_FILE}"
}
catch()
{
local exit_code=$1
+ local exit_status_file="${OUTPUT_DIR}/${EXIT_STATUS_FILE}"
# This is just a cleanup and the directory may
# have already been unmounted. So, don't let this
# clobber the error code we intend to return.
unmount_image || true
+ if [[ -f "${exit_status_file}" ]]; then
+ exit_code="$(cat ${exit_status_file})"
+ fi
exit ${exit_code}
}