def run(self, cores, perf_log, with_pt, with_tthread):
def format_arg(arg):
if issubclass(type(arg), NCores):
return str(arg.to_param(cores))
return str(arg)
args = list(map(format_arg, self.args))
os.chdir(test_path(self.name))
cmd = ["./" + self.command] + args
durations = []
log_sizes = []
if with_tthread:
libtthread = inspector.default_tthread_path()
else:
libtthread = None
for c in cmd:
assert type(c) is not None
for i in range(6):
print("$ " + " ".join(cmd) +
(" pt" if with_pt else "") +
(" tthread" if with_tthread else ""))
if os.path.exists(perf_log):
os.remove(perf_log)
proc = inspector.run(cmd,
perf_command=self.perf_command,
processor_trace=with_pt,
tthread_path=libtthread,
perf_log=perf_log)
status = proc.wait()
if status.exit_code != 0:
raise OSError("command: %s\nfailed with: %d" %
(" ".join(cmd), status.exit_code))
durations.append(status.duration)
log_sizes.append(os.path.getsize(perf_log))
return durations, log_sizes, self.args(cores)
def test_run_without_pt(self):
sample_app = os.path.join(TEST_ROOT, "../../test/usage-test")
with tempfile.NamedTemporaryFile() as log_file:
process = inspector.run([sample_app],
perf_command=perf_cmd(),
perf_log=log_file.name,
processor_trace=False)
status = process.wait()
self.assertEqual(0, status.exit_code)
def test_run_without_pt(self):
sample_app = os.path.join(TEST_ROOT, "../../test/usage-test")
with tempfile.NamedTemporaryFile() as log_file:
process = inspector.run([sample_app],
perf_command=perf_cmd(),
perf_log=log_file.name,
processor_trace=False)
status = process.wait()
self.assertEqual(0, status.exit_code)
def test_run(self):
sample_app = os.path.join(TEST_ROOT, "../../test/usage-test")
with tempfile.NamedTemporaryFile() as log_file:
process = inspector.run([sample_app],
perf_command=perf_cmd(),
perf_log=log_file.name)
status = process.wait()
self.assertEqual(0, status.exit_code)
self.assertEqual(-15, status.perf_exit_code) # SIGTERM == 15
self.assertGreater(os.path.getsize(log_file.name), 1000)
self.assertGreater(status.duration, 0)
def test_run(self):
sample_app = os.path.join(TEST_ROOT, "../../test/usage-test")
with tempfile.NamedTemporaryFile() as log_file:
process = inspector.run([sample_app],
perf_command=perf_cmd(),
perf_log=log_file.name)
status = process.wait()
self.assertEqual(0, status.exit_code)
self.assertEqual(-15, status.perf_exit_code) # SIGTERM == 15
self.assertGreater(os.path.getsize(log_file.name), 1000)
self.assertGreater(status.duration, 0)
def main():
if sys.version_info < (3, 0):
abort("this script requires Python 3.x, not Python 2.x")
args = parse_arguments()
command = args.command + args.arguments
try:
process = inspector.run(command,
args.libtthread_path,
perf_command=args.perf_command,
perf_log=args.perf_log,
user=args.set_user,
group=args.set_group,
processor_trace=not args.no_processor_trace,
snapshot_mode=args.snapshot_mode)
status = process.wait()
if not args.quiet:
msg = "%s %.7fms total" % \
(args.command[0], status.duration * 1000)
print(msg)
except Error as e:
print("[inspector] Error while tracing: %s" % e, file=sys.stderr)
def main():
if sys.version_info < (3, 0):
abort("this script requires Python 3.x, not Python 2.x")
args = parse_arguments()
command = args.command + args.arguments
try:
process = inspector.run(command,
args.libtthread_path,
perf_command=args.perf_command,
perf_log=args.perf_log,
user=args.set_user,
group=args.set_group,
processor_trace=not args.no_processor_trace,
snapshot_mode=args.snapshot_mode)
status = process.wait()
if not args.quiet:
msg = "%s %.7fms total" % \
(args.command[0], status.duration * 1000)
print(msg)
except Error as e:
print("[inspector] Error while tracing: %s" % e, file=sys.stderr)
def run(self, cores, perf_log, with_pt, with_tthread):
os.chdir(test_path(self.name))
cmd = ["./" + self.command] + self.args(cores)
if with_tthread:
libtthread = inspector.default_tthread_path()
else:
libtthread = None
for c in cmd:
assert type(c) is not None
print("$ " + " ".join(cmd) +
(" pt" if with_pt else "") +
(" tthread" if with_tthread else ""))
if os.path.exists(perf_log):
os.remove(perf_log)
cgroup_name = "inspector-%d" % os.getpid()
with cgroups.cpuacct(cgroup_name) as cpuacct, \
cgroups.perf_event(cgroup_name) as perf_event:
perf = PerfStat(perf_event.name, perf_command=self.perf_command)
perf.run()
proc = inspector.run(cmd,
perf_command=self.perf_command,
processor_trace=with_pt,
tthread_path=libtthread,
perf_log=perf_log,
perf_event_cgroup=perf_event,
additional_cgroups=[cpuacct],
env=self.env)
status = proc.wait()
if status.exit_code != 0:
raise OSError("command: %s\nfailed with: %d" %
(" ".join(cmd), status.exit_code))
perf_stats = perf.result()
r = Result(wall_time=status.duration,
args=self.args(cores),
log_size=os.path.getsize(perf_log),
perf_stats=perf_stats)
r.read_cpuacct_cgroup(cpuacct)
r.calculate_compressed_logsize(perf_log)
return r
