diff options
Diffstat (limited to 'poky/bitbake/contrib')
-rwxr-xr-x | poky/bitbake/contrib/bbparse-torture.py | 89 |
1 files changed, 89 insertions, 0 deletions
diff --git a/poky/bitbake/contrib/bbparse-torture.py b/poky/bitbake/contrib/bbparse-torture.py new file mode 100755 index 000000000..c25d547bb --- /dev/null +++ b/poky/bitbake/contrib/bbparse-torture.py @@ -0,0 +1,89 @@ +#! /usr/bin/env python3 +# +# Copyright (C) 2020 Joshua Watt <JPEWhacker@gmail.com> +# +# SPDX-License-Identifier: MIT + +import argparse +import os +import random +import shutil +import signal +import subprocess +import sys +import time + + +def try_unlink(path): + try: + os.unlink(path) + except: + pass + + +def main(): + def cleanup(): + shutil.rmtree("tmp/cache", ignore_errors=True) + try_unlink("bitbake-cookerdaemon.log") + try_unlink("bitbake.sock") + try_unlink("bitbake.lock") + + parser = argparse.ArgumentParser( + description="Bitbake parser torture test", + epilog=""" + A torture test for bitbake's parser. Repeatedly interrupts parsing until + bitbake decides to deadlock. + """, + ) + + args = parser.parse_args() + + if not "BUILDDIR" in os.environ: + print( + "'BUILDDIR' not found in the environment. Did you initialize the build environment?" + ) + return 1 + + os.chdir(os.environ["BUILDDIR"]) + + run_num = 0 + while True: + if run_num % 100 == 0: + print("Calibrating wait time...") + cleanup() + + start_time = time.monotonic() + r = subprocess.run(["bitbake", "-p"]) + max_wait_time = time.monotonic() - start_time + + if r.returncode != 0: + print("Calibration run exited with %d" % r.returncode) + return 1 + + print("Maximum wait time is %f seconds" % max_wait_time) + + run_num += 1 + wait_time = random.random() * max_wait_time + + print("Run #%d" % run_num) + print("Will sleep for %f seconds" % wait_time) + + cleanup() + with subprocess.Popen(["bitbake", "-p"]) as proc: + time.sleep(wait_time) + proc.send_signal(signal.SIGINT) + try: + proc.wait(45) + except subprocess.TimeoutExpired: + print("Run #%d: Waited too long. Possible deadlock!" % run_num) + proc.wait() + return 1 + + if proc.returncode == 0: + print("Exited successfully. Timeout too long?") + else: + print("Exited with %d" % proc.returncode) + + +if __name__ == "__main__": + sys.exit(main()) |