diff options
Diffstat (limited to 'tools/perf/tests/shell/test_failed_syscalls_python.sh')
| -rwxr-xr-x | tools/perf/tests/shell/test_failed_syscalls_python.sh | 90 |
1 files changed, 90 insertions, 0 deletions
diff --git a/tools/perf/tests/shell/test_failed_syscalls_python.sh b/tools/perf/tests/shell/test_failed_syscalls_python.sh new file mode 100755 index 000000000000..9aaf05883c50 --- /dev/null +++ b/tools/perf/tests/shell/test_failed_syscalls_python.sh @@ -0,0 +1,90 @@ +#!/bin/bash +# SPDX-License-Identifier: GPL-2.0 +# failed-syscalls python test + +set -e + +shelldir=$(dirname "$0") +# shellcheck source=lib/setup_python.sh +. "${shelldir}"/lib/setup_python.sh + +if ! "$PYTHON" -c 'import perf' > /dev/null 2>&1; then + echo "Skipping test, perf python module not found" + exit 2 +fi + +script_dir="$(dirname "$0")/../../python" +script_path="${script_dir}/failed-syscalls.py" + +if ! perf check feature -q libtraceevent > /dev/null 2>&1; then + echo "Skipping test, libtraceevent is disabled" + exit 2 +fi + +if [ ! -f "$script_path" ]; then + echo "Skipping test, failed-syscalls.py not found at $script_path" + exit 2 +fi + +err=0 +temp_dir=$(mktemp -d /tmp/perf-failed-syscalls-XXXXXX) +temp_data="${temp_dir}/perf.data" +temp_out="${temp_dir}/perf.out" + +cleanup() { + rm -rf "${temp_dir}" +} +trap 'cleanup' EXIT TERM INT + +echo "Testing failed-syscalls.py..." + +# Check if sys_exit event can be recorded +if ! perf record -B -N --no-bpf-event -e raw_syscalls:sys_exit \ + -o /dev/null -- true >/dev/null 2>&1; then + if ! perf record -B -N --no-bpf-event -e syscalls:sys_exit \ + -o /dev/null -- true >/dev/null 2>&1; then + echo "Skipping test, no permission or support for sys_exit event" + exit 2 + else + EVENT="syscalls:sys_exit" + fi +else + EVENT="raw_syscalls:sys_exit" +fi + +# Run perf record with a command that fails a syscall (ls non-existent file), +# sleeping briefly in the subshell so ls's PERF_RECORD_COMM and sys_exit events are flushed. +passed=0 +for _ in 1 2 3 4 5; do + rm -f "${temp_data}" "${temp_out}" + perf record -B -N --no-bpf-event -e "${EVENT}" -o "${temp_data}" \ + -- sh -c "ls /nonexistent_file_for_test 2>/dev/null; sleep 0.05 || true" \ + >/dev/null 2>&1 || true + + if [ ! -s "${temp_data}" ]; then + continue + fi + + # Check that the script executes + if perf script failed-syscalls -i "${temp_data}" > "${temp_out}" && \ + grep -q "failed syscalls by comm" "${temp_out}" && \ + grep -Eq '^ls[[:space:]]+[0-9]+' "${temp_out}"; then + passed=1 + break + fi +done + +if [ ! -s "${temp_data}" ]; then + echo "Skipping test, perf record failed to create data" + exit 2 +fi + +if [ "$passed" -eq 0 ]; then + echo "Failed to find the metrics table header or expected error" + err=1 +else + echo "failed-syscalls test passed." +fi +rm -f "${temp_out}" + +exit $err |
