|
@@ -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())
|