本文整理汇总了Python中tracemalloc.get_traced_memory方法的典型用法代码示例。如果您正苦于以下问题：Python tracemalloc.get_traced_memory方法的具体用法？Python tracemalloc.get_traced_memory怎么用？Python tracemalloc.get_traced_memory使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类tracemalloc的用法示例。
在下文中一共展示了tracemalloc.get_traced_memory方法的5个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: tracemalloc_dump
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_traced_memory [as 别名]
def tracemalloc_dump() -> None:
if not tracemalloc.is_tracing():
logger.warning("pid %s: tracemalloc off, nothing to dump",
os.getpid())
return
# Despite our name for it, `timezone_now` always deals in UTC.
basename = "snap.{}.{}".format(os.getpid(),
timezone_now().strftime("%F-%T"))
path = os.path.join(settings.TRACEMALLOC_DUMP_DIR, basename)
os.makedirs(settings.TRACEMALLOC_DUMP_DIR, exist_ok=True)
gc.collect()
tracemalloc.take_snapshot().dump(path)
with open(f'/proc/{os.getpid()}/stat', 'rb') as f:
procstat = f.read().split()
rss_pages = int(procstat[23])
logger.info("tracemalloc dump: tracing %s MiB (%s MiB peak), using %s MiB; rss %s MiB; dumped %s",
tracemalloc.get_traced_memory()[0] // 1048576,
tracemalloc.get_traced_memory()[1] // 1048576,
tracemalloc.get_tracemalloc_memory() // 1048576,
rss_pages // 256,
basename) 示例2: test_get_traced_memory
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_traced_memory [as 别名]
def test_get_traced_memory(self):
# Python allocates some internals objects, so the test must tolerate
# a small difference between the expected size and the real usage
max_error = 2048
# allocate one object
obj_size = 1024 * 1024
tracemalloc.clear_traces()
obj, obj_traceback = allocate_bytes(obj_size)
size, peak_size = tracemalloc.get_traced_memory()
self.assertGreaterEqual(size, obj_size)
self.assertGreaterEqual(peak_size, size)
self.assertLessEqual(size - obj_size, max_error)
self.assertLessEqual(peak_size - size, max_error)
# destroy the object
obj = None
size2, peak_size2 = tracemalloc.get_traced_memory()
self.assertLess(size2, size)
self.assertGreaterEqual(size - size2, obj_size - max_error)
self.assertGreaterEqual(peak_size2, peak_size)
# clear_traces() must reset traced memory counters
tracemalloc.clear_traces()
self.assertEqual(tracemalloc.get_traced_memory(), (0, 0))
# allocate another object
obj, obj_traceback = allocate_bytes(obj_size)
size, peak_size = tracemalloc.get_traced_memory()
self.assertGreaterEqual(size, obj_size)
# stop() also resets traced memory counters
tracemalloc.stop()
self.assertEqual(tracemalloc.get_traced_memory(), (0, 0)) 示例3: get_traced_memory
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_traced_memory [as 别名]
def get_traced_memory(self):
# Get the traced size in the domain
snapshot = tracemalloc.take_snapshot()
domain_filter = tracemalloc.DomainFilter(True, self.domain)
snapshot = snapshot.filter_traces([domain_filter])
return sum(trace.size for trace in snapshot.traces) 示例4: check_track
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_traced_memory [as 别名]
def check_track(self, release_gil):
nframe = 5
tracemalloc.start(nframe)
size = tracemalloc.get_traced_memory()[0]
frames = self.track(release_gil, nframe)
self.assertEqual(self.get_traceback(),
tracemalloc.Traceback(frames))
self.assertEqual(self.get_traced_memory(), self.size) 示例5: test_untrack
# 需要导入模块: import tracemalloc [as 别名]
# 或者: from tracemalloc import get_traced_memory [as 别名]
def test_untrack(self):
tracemalloc.start()
self.track()
self.assertIsNotNone(self.get_traceback())
self.assertEqual(self.get_traced_memory(), self.size)
# untrack must remove the trace
self.untrack()
self.assertIsNone(self.get_traceback())
self.assertEqual(self.get_traced_memory(), 0)
# calling _PyTraceMalloc_Untrack() multiple times must not crash
self.untrack()
self.untrack()