我们从Python开源项目中，提取了以下17个代码示例，用于说明如何使用time.get_clock_info()。
def __init__(self): self._timer_cancelled_count = 0 self._closed = False self._ready = collections.deque() self._scheduled = [] self._default_executor = None self._internal_fds = 0 # Identifier of the thread running the event loop, or None if the # event loop is not running self._thread_id = None self._clock_resolution = time.get_clock_info('monotonic').resolution self._exception_handler = None self._debug = (not sys.flags.ignore_environment and bool(os.environ.get('PYTHONASYNCIODEBUG'))) # In debug mode, if the execution of a callback or a step of a task # exceed this duration in seconds, the slow callback/task is logged. self.slow_callback_duration = 0.1 self._current_handle = None
def test_get_clock_info(self): clocks = ['clock', 'perf_counter', 'process_time', 'time'] if hasattr(time, 'monotonic'): clocks.append('monotonic') for name in clocks: info = time.get_clock_info(name) #self.assertIsInstance(info, dict) self.assertIsInstance(info.implementation, str) self.assertNotEqual(info.implementation, '') self.assertIsInstance(info.monotonic, bool) self.assertIsInstance(info.resolution, float) # 0.0 < resolution <= 1.0 self.assertGreater(info.resolution, 0.0) self.assertLessEqual(info.resolution, 1.0) self.assertIsInstance(info.adjustable, bool) self.assertRaises(ValueError, time.get_clock_info, 'xxx')
def __init__(self): self._timer_cancelled_count = 0 self._closed = False self._stopping = False self._ready = collections.deque() self._scheduled = [] self._default_executor = None self._internal_fds = 0 # Identifier of the thread running the event loop, or None if the # event loop is not running self._thread_id = None self._clock_resolution = time.get_clock_info('monotonic').resolution self._exception_handler = None self.set_debug((not sys.flags.ignore_environment and bool(os.environ.get('PYTHONASYNCIODEBUG')))) # In debug mode, if the execution of a callback or a step of a task # exceed this duration in seconds, the slow callback/task is logged. self.slow_callback_duration = 0.1 self._current_handle = None self._task_factory = None self._coroutine_wrapper_set = False
def test_monotonic(self): # monotonic() should not go backward times = [time.monotonic() for n in range(100)] t1 = times[0] for t2 in times[1:]: self.assertGreaterEqual(t2, t1, "times=%s" % times) t1 = t2 # monotonic() includes time elapsed during a sleep t1 = time.monotonic() time.sleep(0.5) t2 = time.monotonic() dt = t2 - t1 self.assertGreater(t2, t1) # Issue #20101: On some Windows machines, dt may be slightly low self.assertTrue(0.45 <= dt <= 1.0, dt) # monotonic() is a monotonic but non adjustable clock info = time.get_clock_info('monotonic') self.assertTrue(info.monotonic) self.assertFalse(info.adjustable)
def test_time(self): time.time() info = time.get_clock_info('time') self.assertFalse(info.monotonic) self.assertTrue(info.adjustable)
def test_clock(self): time.clock() info = time.get_clock_info('clock') self.assertTrue(info.monotonic) self.assertFalse(info.adjustable)
def test_monotonic(self): t1 = time.monotonic() time.sleep(0.5) t2 = time.monotonic() dt = t2 - t1 self.assertGreater(t2, t1) self.assertAlmostEqual(dt, 0.5, delta=0.2) info = time.get_clock_info('monotonic') self.assertTrue(info.monotonic) self.assertFalse(info.adjustable)
def test_process_time(self): # process_time() should not include time spend during a sleep start = time.process_time() time.sleep(0.100) stop = time.process_time() # use 20 ms because process_time() has usually a resolution of 15 ms # on Windows self.assertLess(stop - start, 0.020) info = time.get_clock_info('process_time') self.assertTrue(info.monotonic) self.assertFalse(info.adjustable)
def __init__(self): self._timer_cancelled_count = 0 self._closed = False self._stopping = False self._ready = collections.deque() self._scheduled = [] self._default_executor = None self._internal_fds = 0 # Identifier of the thread running the event loop, or None if the # event loop is not running self._thread_id = None self._clock_resolution = time.get_clock_info('monotonic').resolution self._exception_handler = None self.set_debug((not sys.flags.ignore_environment and bool(os.environ.get('PYTHONASYNCIODEBUG')))) # In debug mode, if the execution of a callback or a step of a task # exceed this duration in seconds, the slow callback/task is logged. self.slow_callback_duration = 0.1 self._current_handle = None self._task_factory = None self._coroutine_wrapper_set = False if hasattr(sys, 'get_asyncgen_hooks'): # Python >= 3.6 # A weak set of all asynchronous generators that are # being iterated by the loop. self._asyncgens = weakref.WeakSet() else: self._asyncgens = None # Set to True when `loop.shutdown_asyncgens` is called. self._asyncgens_shutdown_called = False
def __init__(self): self._closed = False self._ready = collections.deque() self._scheduled = [] self._default_executor = None self._internal_fds = 0 self._running = False self._clock_resolution = time.get_clock_info('monotonic').resolution self._exception_handler = None self._debug = (not sys.flags.ignore_environment and bool(os.environ.get('PYTHONASYNCIODEBUG'))) # In debug mode, if the execution of a callback or a step of a task # exceed this duration in seconds, the slow callback/task is logged. self.slow_callback_duration = 0.1
