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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100#!/bin/bash# perf script tests# SPDX-License-Identifier: GPL-2.0
set -e
temp_dir=$(mktemp -d /tmp/perf-test-script.XXXXXXXXXX)
perfdatafile="${temp_dir}/perf.data"db_test="${temp_dir}/db_test.py"
err=0
cleanup(){ trap - EXIT TERM INT sane=$(echo "${temp_dir}" | cut -b 1-21) if [ "${sane}" = "/tmp/perf-test-script" ] ; then echo "--- Cleaning up ---" rm -rf "${temp_dir:?}/"* rmdir "${temp_dir}" fi}
trap_cleanup(){ cleanup exit 1}
trap trap_cleanup EXIT TERM INT
test_db(){ echo "DB test"
# Check if python script is supported if perf version --build-options | grep python | grep -q OFF ; then echo "SKIP: python scripting is not supported" err=2 return fi
cat << "_end_of_file_" > "${db_test}"perf_db_export_mode = Trueperf_db_export_calls = Falseperf_db_export_callchains = True
def sample_table(*args): print(f'sample_table({args})')
def call_path_table(*args): print(f'call_path_table({args}')_end_of_file_ case $(uname -m) in s390x) cmd_flags="--call-graph dwarf -e cpu-clock";; *) cmd_flags="-g";; esac
perf record $cmd_flags -o "${perfdatafile}" true # Disable lsan to avoid warnings about python memory leaks. export ASAN_OPTIONS=detect_leaks=0 perf script -i "${perfdatafile}" -s "${db_test}" export ASAN_OPTIONS= echo "DB test [Success]"}
test_parallel_perf(){ echo "parallel-perf test" if ! python3 --version >/dev/null 2>&1 ; then echo "SKIP: no python3" err=2 return fi pp=$(dirname "$0")/../../scripts/python/parallel-perf.py if [ ! -f "${pp}" ] ; then echo "SKIP: parallel-perf.py script not found " err=2 return fi perf_data="${temp_dir}/pp-perf.data" output1_dir="${temp_dir}/output1" output2_dir="${temp_dir}/output2" perf record -o "${perf_data}" --sample-cpu uname python3 "${pp}" -o "${output1_dir}" --jobs 4 --verbose -- perf script -i "${perf_data}" python3 "${pp}" -o "${output2_dir}" --jobs 4 --verbose --per-cpu -- perf script -i "${perf_data}" echo "parallel-perf test [Success]"}
test_dbtest_parallel_perf
cleanup
exit $err