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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# check-perf-trace 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 ! "$PYTHON" -c 'import perf' > /dev/null 2>&1; then
echo "Skipping test, perf python module not found"
exit 2
fi
if ! perf check feature -q libtraceevent; then
echo "Skipping test, perf built without libtraceevent"
exit 2
fi
script_dir="$(dirname "$0")/../../python"
script_path="${script_dir}/check-perf-trace.py"
if [ ! -f "$script_path" ]; then
echo "Skipping test, check-perf-trace.py not found at $script_path"
exit 2
fi
err=0
temp_data=""
temp_out=""
cleanup() {
rm -f "${temp_data}" "${temp_out}"
}
trap 'cleanup' EXIT
trap 'cleanup; exit 1' TERM INT
temp_data=$(mktemp /tmp/perf.data.XXXXXX)
temp_out=$(mktemp /tmp/perf.out.XXXXXX)
test_file_mode() {
echo "Testing check-perf-trace.py..."
events=""
tp_list=$(perf list tracepoint)
if echo "$tp_list" | grep -q "irq:softirq_entry"; then
events="irq:softirq_entry"
fi
if echo "$tp_list" | grep -q "kmem:kmalloc"; then
if [ -n "$events" ]; then
events="$events,kmem:kmalloc,kmem:kfree"
else
events="kmem:kmalloc,kmem:kfree"
fi
fi
if [ -z "$events" ]; then
echo "Skipping test, no required tracepoints found"
exit 2
fi
# Generate events
if ! perf record -B -N --no-bpf-event -e "$events" -o "${temp_data}" \
-- sh -c "sleep 0.1" >/dev/null 2>&1; then
echo "Skipping test, perf record failed"
exit 2
fi
# Run the script
if ! perf script check-perf-trace -i "${temp_data}" > "${temp_out}"; then
echo "File mode test failed."
err=1
elif ! grep -q "in trace_begin" "${temp_out}" || \
! grep -q "in trace_end" "${temp_out}"; then
echo "File mode test missing trace_begin/trace_end markers."
err=1
else
echo "File mode test passed."
fi
}
test_file_mode
exit $err
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