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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
# intel-pt-events python test (exclusive)
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}/intel-pt-events.py"
if [ ! -f "$script_path" ]; then
echo "Skipping test, intel-pt-events.py not found at $script_path"
exit 2
fi
err=0
temp_dir=""
temp_data=""
temp_out=""
cleanup() {
[ -n "${temp_dir}" ] && rm -rf "${temp_dir}"
}
trap 'cleanup' EXIT
trap 'cleanup; exit 1' TERM INT
temp_dir=$(mktemp -d /tmp/perf.ipt.XXXXXX)
temp_data="${temp_dir}/perf.data"
temp_out="${temp_dir}/perf.out"
test_intel_pt() {
echo "Testing intel-pt-events.py with intel_pt..."
# Generate some intel_pt events; sleep briefly after uname in the subshell
# so uname's AUX buffer is flushed before SIGCHLD stops perf record.
passed=0
for _ in 1 2 3 4 5; do
rm -f "${temp_data}" "${temp_out}"
if ! perf record -B -N --no-bpf-event -e intel_pt//u -o "${temp_data}" \
-- sh -c "uname; sleep 0.05" >/dev/null 2>&1; then
echo "Skipping intel_pt test, intel_pt not available."
exit 2
fi
# Run the script and check output
if perf script intel-pt-events -i "${temp_data}" > "${temp_out}" && \
grep -q "Intel PT Branch Trace" "${temp_out}" && \
grep -q "uname" "${temp_out}"; then
passed=1
break
fi
done
if [ "$passed" -eq 0 ]; then
echo "Failed to find expected output: $(cat "${temp_out}" 2>/dev/null)"
err=1
else
echo "intel-pt-events test passed."
fi
rm -f "${temp_out}"
}
test_intel_pt
exit $err
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