blob: 237baa9df8e026e33ec355574bf8c8559a3f7f2d [file] [log] [blame]
#!/usr/bin/env python3
# vim: set syntax=python ts=4 :
#
# Copyright (c) 20180-2022 Intel Corporation
# SPDX-License-Identifier: Apache-2.0
import math
import os
import sys
import csv
import time
import signal
import logging
import shlex
import subprocess
import threading
import select
import re
from twisterlib.environment import ZEPHYR_BASE
try:
import serial
except ImportError:
print("Install pyserial python module with pip to use --device-testing option.")
try:
import psutil
except ImportError:
print("Install psutil python module with pip to run in Qemu.")
try:
import pty
except ImportError as capture_error:
if os.name == "nt": # "nt" means that program is running on Windows OS
pass # "--device-serial-pty" option is not supported on Windows OS
else:
raise capture_error
logger = logging.getLogger('twister')
logger.setLevel(logging.DEBUG)
class HarnessImporter:
def __init__(self, name):
sys.path.insert(0, os.path.join(ZEPHYR_BASE, "scripts/pylib/twister/twisterlib"))
module = __import__("harness")
if name:
my_class = getattr(module, name)
else:
my_class = getattr(module, "Test")
self.instance = my_class()
class Handler:
def __init__(self, instance, type_str="build"):
"""Constructor
"""
self.options = None
self.state = "waiting"
self.run = False
self.type_str = type_str
self.binary = None
self.pid_fn = None
self.call_make_run = True
self.name = instance.name
self.instance = instance
self.timeout = math.ceil(instance.testsuite.timeout * instance.platform.timeout_multiplier)
self.sourcedir = instance.testsuite.source_dir
self.build_dir = instance.build_dir
self.log = os.path.join(self.build_dir, "handler.log")
self.returncode = 0
self.generator = None
self.generator_cmd = None
self.suite_name_check = True
self.args = []
self.terminated = False
def record(self, harness):
if harness.recording:
filename = os.path.join(self.build_dir, "recording.csv")
with open(filename, "at") as csvfile:
cw = csv.writer(csvfile, harness.fieldnames, lineterminator=os.linesep)
cw.writerow(harness.fieldnames)
for instance in harness.recording:
cw.writerow(instance)
def terminate(self, proc):
# encapsulate terminate functionality so we do it consistently where ever
# we might want to terminate the proc. We need try_kill_process_by_pid
# because of both how newer ninja (1.6.0 or greater) and .NET / renode
# work. Newer ninja's don't seem to pass SIGTERM down to the children
# so we need to use try_kill_process_by_pid.
for child in psutil.Process(proc.pid).children(recursive=True):
try:
os.kill(child.pid, signal.SIGTERM)
except ProcessLookupError:
pass
proc.terminate()
# sleep for a while before attempting to kill
time.sleep(0.5)
proc.kill()
self.terminated = True
def _verify_ztest_suite_name(self, harness_state, detected_suite_names, handler_time):
"""
If test suite names was found in test's C source code, then verify if
detected suite names from output correspond to expected suite names
(and not in reverse).
"""
expected_suite_names = self.instance.testsuite.ztest_suite_names
if not expected_suite_names or \
not harness_state == "passed":
return
if not detected_suite_names:
self._missing_suite_name(expected_suite_names, handler_time)
for detected_suite_name in detected_suite_names:
if detected_suite_name not in expected_suite_names:
self._missing_suite_name(expected_suite_names, handler_time)
break
def _missing_suite_name(self, expected_suite_names, handler_time):
"""
Change result of performed test if problem with missing or unpropper
suite name was occurred.
"""
self.instance.status = "failed"
self.instance.execution_time = handler_time
for tc in self.instance.testcases:
tc.status = "failed"
self.instance.reason = f"Testsuite mismatch"
logger.debug("Test suite names were not printed or some of them in " \
"output do not correspond with expected: %s",
str(expected_suite_names))
def _final_handle_actions(self, harness, handler_time):
# only for Ztest tests:
harness_class_name = type(harness).__name__
if self.suite_name_check and harness_class_name == "Test":
self._verify_ztest_suite_name(harness.state, harness.detected_suite_names, handler_time)
if not harness.matched_run_id and harness.run_id_exists:
self.instance.status = "failed"
self.instance.execution_time = handler_time
self.instance.reason = "RunID mismatch"
for tc in self.instance.testcases:
tc.status = "failed"
self.record(harness)
class BinaryHandler(Handler):
def __init__(self, instance, type_str):
"""Constructor
@param instance Test Instance
"""
super().__init__(instance, type_str)
self.call_west_flash = False
self.seed = None
def try_kill_process_by_pid(self):
if self.pid_fn:
pid = int(open(self.pid_fn).read())
os.unlink(self.pid_fn)
self.pid_fn = None # clear so we don't try to kill the binary twice
try:
os.kill(pid, signal.SIGTERM)
except ProcessLookupError:
pass
def _output_reader(self, proc):
self.line = proc.stdout.readline()
def _output_handler(self, proc, harness):
if harness.is_pytest:
harness.handle(None)
return
log_out_fp = open(self.log, "wt")
timeout_extended = False
timeout_time = time.time() + self.timeout
while True:
this_timeout = timeout_time - time.time()
if this_timeout < 0:
break
reader_t = threading.Thread(target=self._output_reader, args=(proc,), daemon=True)
reader_t.start()
reader_t.join(this_timeout)
if not reader_t.is_alive():
line = self.line
logger.debug("OUTPUT: {0}".format(line.decode('utf-8').rstrip()))
log_out_fp.write(line.decode('utf-8'))
log_out_fp.flush()
harness.handle(line.decode('utf-8').rstrip())
if harness.state:
if not timeout_extended or harness.capture_coverage:
timeout_extended = True
if harness.capture_coverage:
timeout_time = time.time() + 30
else:
timeout_time = time.time() + 2
else:
reader_t.join(0)
break
try:
# POSIX arch based ztests end on their own,
# so let's give it up to 100ms to do so
proc.wait(0.1)
except subprocess.TimeoutExpired:
self.terminate(proc)
log_out_fp.close()
def handle(self):
harness_name = self.instance.testsuite.harness.capitalize()
harness_import = HarnessImporter(harness_name)
harness = harness_import.instance
harness.configure(self.instance)
if self.call_make_run:
command = [self.generator_cmd, "run"]
elif self.call_west_flash:
command = ["west", "flash", "--skip-rebuild", "-d", self.build_dir]
else:
command = [self.binary]
run_valgrind = False
if self.options.enable_valgrind:
command = ["valgrind", "--error-exitcode=2",
"--leak-check=full",
"--suppressions=" + ZEPHYR_BASE + "/scripts/valgrind.supp",
"--log-file=" + self.build_dir + "/valgrind.log",
"--track-origins=yes",
] + command
run_valgrind = True
# Only valid for native_posix
if self.seed is not None:
command = command + ["--seed="+str(self.seed)]
logger.debug("Spawning process: " +
" ".join(shlex.quote(word) for word in command) + os.linesep +
"in directory: " + self.build_dir)
start_time = time.time()
env = os.environ.copy()
if self.options.enable_asan:
env["ASAN_OPTIONS"] = "log_path=stdout:" + \
env.get("ASAN_OPTIONS", "")
if not self.options.enable_lsan:
env["ASAN_OPTIONS"] += "detect_leaks=0"
if self.options.enable_ubsan:
env["UBSAN_OPTIONS"] = "log_path=stdout:halt_on_error=1:" + \
env.get("UBSAN_OPTIONS", "")
with subprocess.Popen(command, stdout=subprocess.PIPE,
stderr=subprocess.PIPE, cwd=self.build_dir, env=env) as proc:
logger.debug("Spawning BinaryHandler Thread for %s" % self.name)
t = threading.Thread(target=self._output_handler, args=(proc, harness,), daemon=True)
t.start()
t.join()
if t.is_alive():
self.terminate(proc)
t.join()
proc.wait()
self.returncode = proc.returncode
self.try_kill_process_by_pid()
handler_time = time.time() - start_time
if self.options.coverage:
subprocess.call(["GCOV_PREFIX=" + self.build_dir,
"gcov", self.sourcedir, "-b", "-s", self.build_dir], shell=True)
# FIXME: This is needed when killing the simulator, the console is
# garbled and needs to be reset. Did not find a better way to do that.
if sys.stdout.isatty():
subprocess.call(["stty", "sane"])
if harness.is_pytest:
harness.pytest_run(self.log)
self.instance.execution_time = handler_time
if not self.terminated and self.returncode != 0:
self.instance.status = "failed"
if run_valgrind and self.returncode == 2:
self.instance.reason = "Valgrind error"
else:
# When a process is killed, the default handler returns 128 + SIGTERM
# so in that case the return code itself is not meaningful
self.instance.reason = "Failed"
elif harness.state:
self.instance.status = harness.state
if harness.state == "failed":
self.instance.reason = "Failed"
else:
self.instance.status = "failed"
self.instance.reason = "Timeout"
self.instance.add_missing_case_status("blocked", "Timeout")
self._final_handle_actions(harness, handler_time)
class DeviceHandler(Handler):
def __init__(self, instance, type_str):
"""Constructor
@param instance Test Instance
"""
super().__init__(instance, type_str)
def monitor_serial(self, ser, halt_fileno, harness):
if harness.is_pytest:
harness.handle(None)
return
log_out_fp = open(self.log, "wt")
ser_fileno = ser.fileno()
readlist = [halt_fileno, ser_fileno]
if self.options.coverage:
# Set capture_coverage to True to indicate that right after
# test results we should get coverage data, otherwise we exit
# from the test.
harness.capture_coverage = True
ser.flush()
while ser.isOpen():
readable, _, _ = select.select(readlist, [], [], self.timeout)
if halt_fileno in readable:
logger.debug('halted')
ser.close()
break
if ser_fileno not in readable:
continue # Timeout.
serial_line = None
try:
serial_line = ser.readline()
except TypeError:
pass
# ignore SerialException which may happen during the serial device
# power off/on process.
except serial.SerialException:
pass
# Just because ser_fileno has data doesn't mean an entire line
# is available yet.
if serial_line:
sl = serial_line.decode('utf-8', 'ignore').lstrip()
logger.debug("DEVICE: {0}".format(sl.rstrip()))
log_out_fp.write(sl)
log_out_fp.flush()
harness.handle(sl.rstrip())
if harness.state:
if not harness.capture_coverage:
ser.close()
break
log_out_fp.close()
def device_is_available(self, instance):
device = instance.platform.name
fixture = instance.testsuite.harness_config.get("fixture")
for d in self.duts:
if fixture and fixture not in d.fixtures:
continue
if d.platform != device or (d.serial is None and d.serial_pty is None):
continue
d.lock.acquire()
avail = False
if d.available:
d.available = 0
d.counter += 1
avail = True
d.lock.release()
if avail:
return d
return None
def make_device_available(self, serial):
for d in self.duts:
if serial in [d.serial_pty, d.serial]:
d.available = 1
@staticmethod
def run_custom_script(script, timeout):
with subprocess.Popen(script, stderr=subprocess.PIPE, stdout=subprocess.PIPE) as proc:
try:
stdout, stderr = proc.communicate(timeout=timeout)
logger.debug(stdout.decode())
if proc.returncode != 0:
logger.error(f"Custom script failure: {stderr.decode(errors='ignore')}")
except subprocess.TimeoutExpired:
proc.kill()
proc.communicate()
logger.error("{} timed out".format(script))
def handle(self):
runner = None
hardware = self.device_is_available(self.instance)
while not hardware:
logger.debug("Waiting for device {} to become available".format(self.instance.platform.name))
time.sleep(1)
hardware = self.device_is_available(self.instance)
runner = hardware.runner or self.options.west_runner
serial_pty = hardware.serial_pty
ser_pty_process = None
if serial_pty:
master, slave = pty.openpty()
try:
ser_pty_process = subprocess.Popen(re.split(',| ', serial_pty), stdout=master, stdin=master, stderr=master)
except subprocess.CalledProcessError as error:
logger.error("Failed to run subprocess {}, error {}".format(serial_pty, error.output))
return
serial_device = os.ttyname(slave)
else:
serial_device = hardware.serial
logger.debug(f"Using serial device {serial_device} @ {hardware.baud} baud")
if (self.options.west_flash is not None) or runner:
command = ["west", "flash", "--skip-rebuild", "-d", self.build_dir]
command_extra_args = []
# There are three ways this option is used.
# 1) bare: --west-flash
# This results in options.west_flash == []
# 2) with a value: --west-flash="--board-id=42"
# This results in options.west_flash == "--board-id=42"
# 3) Multiple values: --west-flash="--board-id=42,--erase"
# This results in options.west_flash == "--board-id=42 --erase"
if self.options.west_flash and self.options.west_flash != []:
command_extra_args.extend(self.options.west_flash.split(','))
if runner:
command.append("--runner")
command.append(runner)
board_id = hardware.probe_id or hardware.id
product = hardware.product
if board_id is not None:
if runner == "pyocd":
command_extra_args.append("--board-id")
command_extra_args.append(board_id)
elif runner == "nrfjprog":
command_extra_args.append("--dev-id")
command_extra_args.append(board_id)
elif runner == "openocd" and product == "STM32 STLink":
command_extra_args.append("--cmd-pre-init")
command_extra_args.append("hla_serial %s" % (board_id))
elif runner == "openocd" and product == "STLINK-V3":
command_extra_args.append("--cmd-pre-init")
command_extra_args.append("hla_serial %s" % (board_id))
elif runner == "openocd" and product == "EDBG CMSIS-DAP":
command_extra_args.append("--cmd-pre-init")
command_extra_args.append("cmsis_dap_serial %s" % (board_id))
elif runner == "jlink":
command.append("--tool-opt=-SelectEmuBySN %s" % (board_id))
elif runner == "stm32cubeprogrammer":
command.append("--tool-opt=sn=%s" % (board_id))
elif runner == "intel_adsp":
command.append("--pty")
# Receive parameters from runner_params field.
if hardware.runner_params:
for param in hardware.runner_params:
command.append(param)
if command_extra_args != []:
command.append('--')
command.extend(command_extra_args)
else:
command = [self.generator_cmd, "-C", self.build_dir, "flash"]
pre_script = hardware.pre_script
post_flash_script = hardware.post_flash_script
post_script = hardware.post_script
if pre_script:
self.run_custom_script(pre_script, 30)
try:
ser = serial.Serial(
serial_device,
baudrate=hardware.baud,
parity=serial.PARITY_NONE,
stopbits=serial.STOPBITS_ONE,
bytesize=serial.EIGHTBITS,
timeout=self.timeout
)
except serial.SerialException as e:
self.instance.status = "failed"
self.instance.reason = "Serial Device Error"
logger.error("Serial device error: %s" % (str(e)))
self.instance.add_missing_case_status("blocked", "Serial Device Error")
if serial_pty and ser_pty_process:
ser_pty_process.terminate()
outs, errs = ser_pty_process.communicate()
logger.debug("Process {} terminated outs: {} errs {}".format(serial_pty, outs, errs))
if serial_pty:
self.make_device_available(serial_pty)
else:
self.make_device_available(serial_device)
return
ser.flush()
harness_name = self.instance.testsuite.harness.capitalize()
harness_import = HarnessImporter(harness_name)
harness = harness_import.instance
harness.configure(self.instance)
read_pipe, write_pipe = os.pipe()
start_time = time.time()
t = threading.Thread(target=self.monitor_serial, daemon=True,
args=(ser, read_pipe, harness))
t.start()
d_log = "{}/device.log".format(self.instance.build_dir)
logger.debug('Flash command: %s', command)
try:
stdout = stderr = None
with subprocess.Popen(command, stderr=subprocess.PIPE, stdout=subprocess.PIPE) as proc:
try:
(stdout, stderr) = proc.communicate(timeout=60)
# ignore unencodable unicode chars
logger.debug(stdout.decode(errors = "ignore"))
if proc.returncode != 0:
self.instance.status = "error"
self.instance.reason = "Device issue (Flash error?)"
with open(d_log, "w") as dlog_fp:
dlog_fp.write(stderr.decode())
os.write(write_pipe, b'x') # halt the thread
except subprocess.TimeoutExpired:
logger.warning("Flash operation timed out.")
proc.kill()
(stdout, stderr) = proc.communicate()
self.instance.status = "error"
self.instance.reason = "Device issue (Timeout)"
with open(d_log, "w") as dlog_fp:
dlog_fp.write(stderr.decode())
except subprocess.CalledProcessError:
os.write(write_pipe, b'x') # halt the thread
if post_flash_script:
self.run_custom_script(post_flash_script, 30)
t.join(self.timeout)
if t.is_alive():
logger.debug("Timed out while monitoring serial output on {}".format(self.instance.platform.name))
if ser.isOpen():
ser.close()
if serial_pty:
ser_pty_process.terminate()
outs, errs = ser_pty_process.communicate()
logger.debug("Process {} terminated outs: {} errs {}".format(serial_pty, outs, errs))
os.close(write_pipe)
os.close(read_pipe)
handler_time = time.time() - start_time
if harness.is_pytest:
harness.pytest_run(self.log)
self.instance.execution_time = handler_time
if harness.state:
self.instance.status = harness.state
if harness.state == "failed":
self.instance.reason = "Failed"
else:
self.instance.status = "error"
self.instance.reason = "No Console Output(Timeout)"
if self.instance.status == "error":
self.instance.add_missing_case_status("blocked", self.instance.reason)
self._final_handle_actions(harness, handler_time)
if post_script:
self.run_custom_script(post_script, 30)
if serial_pty:
self.make_device_available(serial_pty)
else:
self.make_device_available(serial_device)
class QEMUHandler(Handler):
"""Spawns a thread to monitor QEMU output from pipes
We pass QEMU_PIPE to 'make run' and monitor the pipes for output.
We need to do this as once qemu starts, it runs forever until killed.
Test cases emit special messages to the console as they run, we check
for these to collect whether the test passed or failed.
"""
def __init__(self, instance, type_str):
"""Constructor
@param instance Test instance
"""
super().__init__(instance, type_str)
self.fifo_fn = os.path.join(instance.build_dir, "qemu-fifo")
self.pid_fn = os.path.join(instance.build_dir, "qemu.pid")
if "ignore_qemu_crash" in instance.testsuite.tags:
self.ignore_qemu_crash = True
self.ignore_unexpected_eof = True
else:
self.ignore_qemu_crash = False
self.ignore_unexpected_eof = False
@staticmethod
def _get_cpu_time(pid):
"""get process CPU time.
The guest virtual time in QEMU icount mode isn't host time and
it's maintained by counting guest instructions, so we use QEMU
process execution time to mostly simulate the time of guest OS.
"""
proc = psutil.Process(pid)
cpu_time = proc.cpu_times()
return cpu_time.user + cpu_time.system
@staticmethod
def _thread(handler, timeout, outdir, logfile, fifo_fn, pid_fn, results, harness,
ignore_unexpected_eof=False):
fifo_in = fifo_fn + ".in"
fifo_out = fifo_fn + ".out"
# These in/out nodes are named from QEMU's perspective, not ours
if os.path.exists(fifo_in):
os.unlink(fifo_in)
os.mkfifo(fifo_in)
if os.path.exists(fifo_out):
os.unlink(fifo_out)
os.mkfifo(fifo_out)
# We don't do anything with out_fp but we need to open it for
# writing so that QEMU doesn't block, due to the way pipes work
out_fp = open(fifo_in, "wb")
# Disable internal buffering, we don't
# want read() or poll() to ever block if there is data in there
in_fp = open(fifo_out, "rb", buffering=0)
log_out_fp = open(logfile, "wt")
start_time = time.time()
timeout_time = start_time + timeout
p = select.poll()
p.register(in_fp, select.POLLIN)
out_state = None
line = ""
timeout_extended = False
pid = 0
if os.path.exists(pid_fn):
pid = int(open(pid_fn).read())
while True:
this_timeout = int((timeout_time - time.time()) * 1000)
if this_timeout < 0 or not p.poll(this_timeout):
try:
if pid and this_timeout > 0:
#there's possibility we polled nothing because
#of not enough CPU time scheduled by host for
#QEMU process during p.poll(this_timeout)
cpu_time = QEMUHandler._get_cpu_time(pid)
if cpu_time < timeout and not out_state:
timeout_time = time.time() + (timeout - cpu_time)
continue
except ProcessLookupError:
out_state = "failed"
break
if not out_state:
out_state = "timeout"
break
if pid == 0 and os.path.exists(pid_fn):
pid = int(open(pid_fn).read())
if harness.is_pytest:
harness.handle(None)
out_state = harness.state
break
try:
c = in_fp.read(1).decode("utf-8")
except UnicodeDecodeError:
# Test is writing something weird, fail
out_state = "unexpected byte"
break
if c == "":
# EOF, this shouldn't happen unless QEMU crashes
if not ignore_unexpected_eof:
out_state = "unexpected eof"
break
line = line + c
if c != "\n":
continue
# line contains a full line of data output from QEMU
log_out_fp.write(line)
log_out_fp.flush()
line = line.strip()
logger.debug(f"QEMU ({pid}): {line}")
harness.handle(line)
if harness.state:
# if we have registered a fail make sure the state is not
# overridden by a false success message coming from the
# testsuite
if out_state not in ['failed', 'unexpected eof', 'unexpected byte']:
out_state = harness.state
# if we get some state, that means test is doing well, we reset
# the timeout and wait for 2 more seconds to catch anything
# printed late. We wait much longer if code
# coverage is enabled since dumping this information can
# take some time.
if not timeout_extended or harness.capture_coverage:
timeout_extended = True
if harness.capture_coverage:
timeout_time = time.time() + 30
else:
timeout_time = time.time() + 2
line = ""
if harness.is_pytest:
harness.pytest_run(logfile)
out_state = harness.state
handler_time = time.time() - start_time
logger.debug(f"QEMU ({pid}) complete ({out_state}) after {handler_time} seconds")
handler.instance.execution_time = handler_time
if out_state == "timeout":
handler.instance.status = "failed"
handler.instance.reason = "Timeout"
elif out_state == "failed":
handler.instance.status = "failed"
handler.instance.reason = "Failed"
elif out_state in ['unexpected eof', 'unexpected byte']:
handler.instance.status = "failed"
handler.instance.reason = out_state
else:
handler.instance.status = out_state
handler.instance.reason = "Unknown"
log_out_fp.close()
out_fp.close()
in_fp.close()
if pid:
try:
if pid:
os.kill(pid, signal.SIGTERM)
except ProcessLookupError:
# Oh well, as long as it's dead! User probably sent Ctrl-C
pass
os.unlink(fifo_in)
os.unlink(fifo_out)
def handle(self):
self.results = {}
self.run = True
# We pass this to QEMU which looks for fifos with .in and .out
# suffixes.
self.fifo_fn = os.path.join(self.instance.build_dir, "qemu-fifo")
self.pid_fn = os.path.join(self.instance.build_dir, "qemu.pid")
if os.path.exists(self.pid_fn):
os.unlink(self.pid_fn)
self.log_fn = self.log
harness_import = HarnessImporter(self.instance.testsuite.harness.capitalize())
harness = harness_import.instance
harness.configure(self.instance)
self.thread = threading.Thread(name=self.name, target=QEMUHandler._thread,
args=(self, self.timeout, self.build_dir,
self.log_fn, self.fifo_fn,
self.pid_fn, self.results, harness,
self.ignore_unexpected_eof))
self.thread.daemon = True
logger.debug("Spawning QEMUHandler Thread for %s" % self.name)
self.thread.start()
if sys.stdout.isatty():
subprocess.call(["stty", "sane"])
logger.debug("Running %s (%s)" % (self.name, self.type_str))
command = [self.generator_cmd]
command += ["-C", self.build_dir, "run"]
is_timeout = False
qemu_pid = None
with subprocess.Popen(command, stdout=subprocess.PIPE, stderr=subprocess.PIPE, cwd=self.build_dir) as proc:
logger.debug("Spawning QEMUHandler Thread for %s" % self.name)
try:
proc.wait(self.timeout)
except subprocess.TimeoutExpired:
# sometimes QEMU can't handle SIGTERM signal correctly
# in that case kill -9 QEMU process directly and leave
# twister to judge testing result by console output
is_timeout = True
self.terminate(proc)
if harness.state == "passed":
self.returncode = 0
else:
self.returncode = proc.returncode
else:
if os.path.exists(self.pid_fn):
qemu_pid = int(open(self.pid_fn).read())
logger.debug(f"No timeout, return code from QEMU ({qemu_pid}): {proc.returncode}")
self.returncode = proc.returncode
# Need to wait for harness to finish processing
# output from QEMU. Otherwise it might miss some
# error messages.
self.thread.join(0)
if self.thread.is_alive():
logger.debug("Timed out while monitoring QEMU output")
if os.path.exists(self.pid_fn):
qemu_pid = int(open(self.pid_fn).read())
os.unlink(self.pid_fn)
logger.debug(f"return code from QEMU ({qemu_pid}): {self.returncode}")
if (self.returncode != 0 and not self.ignore_qemu_crash) or not harness.state:
self.instance.status = "failed"
if is_timeout:
self.instance.reason = "Timeout"
else:
if not self.instance.reason:
self.instance.reason = "Exited with {}".format(self.returncode)
self.instance.add_missing_case_status("blocked")
self._final_handle_actions(harness, 0)
def get_fifo(self):
return self.fifo_fn