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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# syscall-counts-by-pid python test
set -e
shelldir=$(dirname "$0")
# shellcheck source=lib/setup_python.sh
. "${shelldir}"/lib/setup_python.sh
# If we don't have the perf python module, we can't test
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}/syscall-counts-by-pid.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, syscall-counts-by-pid.py not found at $script_path"
exit 2
fi
err=0
temp_data=""
temp_out=""
cleanup() {
rm -f "${temp_data}" "${temp_out}"
}
trap 'cleanup' EXIT TERM INT
temp_data=$(mktemp /tmp/perf.data.XXXXXX)
temp_out=$(mktemp /tmp/perf.out.XXXXXX)
test_file_mode() {
echo "Testing syscall-counts-by-pid.py..."
# Some systems might not have raw_syscalls:sys_enter
if ! perf list tracepoint | grep -q raw_syscalls:sys_enter; then
echo "Skipping test, raw_syscalls:sys_enter not found"
exit 2
fi
# Generate some syscall events
perf record -B -N --no-bpf-event -e raw_syscalls:sys_enter -o "${temp_data}" \
-- sh -c "sleep 0.1; sleep 0.05" >/dev/null 2>&1 || \
{ echo "Skipping test, perf record failed"; exit 2; }
if ! perf script syscall-counts-by-pid -i "${temp_data}" > "${temp_out}"; then
echo "File mode test failed."
err=1
elif ! grep -E -q "^ [a-zA-Z0-9_]+ +[0-9]+$" "${temp_out}"; then
echo "File mode output validation failed."
err=1
else
echo "File mode test passed."
fi
# Test with a comm argument
if ! perf script syscall-counts-by-pid -i "${temp_data}" "sleep" > "${temp_out}"; then
echo "Comm filter test failed."
err=1
elif ! grep -E -q "^ [a-zA-Z0-9_]+ +[0-9]+$" "${temp_out}"; then
echo "Comm filter output validation failed."
err=1
else
echo "Comm filter test passed."
fi
# Extract sleep PID from "sleep [<pid>]" header and test with a numeric PID filter argument
sleep_pid=$(sed -n 's/^sleep \[\([0-9]\+\)\]$/\1/p' "${temp_out}" | head -n 1)
if [ -z "${sleep_pid}" ] || \
! perf script syscall-counts-by-pid -i "${temp_data}" "${sleep_pid}" > "${temp_out}"; then
echo "PID filter test failed."
err=1
elif ! grep -E -q "^ [a-zA-Z0-9_]+ +[0-9]+$" "${temp_out}"; then
echo "PID filter output validation failed."
err=1
else
echo "PID filter test passed."
fi
}
test_file_mode
exit $err
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