Python signal.ITIMER_PROF屬性代碼示例

本文整理匯總了Python中signal.ITIMER_PROF屬性的典型用法代碼示例。如果您正苦於以下問題：Python signal.ITIMER_PROF屬性的具體用法？Python signal.ITIMER_PROF怎麽用？Python signal.ITIMER_PROF使用的例子？那麽, 這裏精選的屬性代碼示例或許可以為您提供幫助。您也可以進一步了解該屬性所在類signal的用法示例。

在下文中一共展示了signal.ITIMER_PROF屬性的7個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Python代碼示例。

示例1: test_itimer_prof

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def test_itimer_prof(self):
        self.itimer = signal.ITIMER_PROF
        signal.signal(signal.SIGPROF, self.sig_prof)
        signal.setitimer(self.itimer, 0.2, 0.2)

        start_time = time.time()
        while time.time() - start_time < 60.0:
            # do some work
            _ = pow(12345, 67890, 10000019)
            if signal.getitimer(self.itimer) == (0.0, 0.0):
                break # sig_prof handler stopped this itimer
        else: # Issue 8424
            self.skipTest("timeout: likely cause: machine too slow or load too "
                          "high")

        # profiling itimer should be (0.0, 0.0) now
        self.assertEqual(signal.getitimer(self.itimer), (0.0, 0.0))
        # and the handler should have been called
        self.assertEqual(self.hndl_called, True)

開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:21，代碼來源:test_signal.py

示例2: run

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def run(self, profiler):
        weak_profiler = weakref.proxy(profiler)
        handle = functools.partial(self.handle_signal, weak_profiler)
        t = self.interval
        with deferral() as defer:
            prev_handle = signal.signal(signal.SIGPROF, handle)
            if prev_handle == signal.SIG_DFL:
                # sometimes the process receives SIGPROF although the sampler
                # unsets the itimer.  If the previous handler was SIG_DFL, the
                # process will crash when received SIGPROF.  To prevent this
                # risk, it makes the process to ignore SIGPROF when it isn't
                # running if the previous handler was SIG_DFL.
                prev_handle = signal.SIG_IGN
            defer(signal.signal, signal.SIGPROF, prev_handle)
            prev_itimer = signal.setitimer(signal.ITIMER_PROF, t, t)
            defer(signal.setitimer, signal.ITIMER_PROF, *prev_itimer)
            yield

開發者ID:what-studio，項目名稱:profiling，代碼行數:19，代碼來源:samplers.py

示例3: test_itimer_prof

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def test_itimer_prof(self):
        self.itimer = signal.ITIMER_PROF
        signal.signal(signal.SIGPROF, self.sig_prof)
        signal.setitimer(self.itimer, 0.2, 0.2)

        start_time = time.monotonic()
        while time.monotonic() - start_time < 60.0:
            # do some work
            _ = pow(12345, 67890, 10000019)
            if signal.getitimer(self.itimer) == (0.0, 0.0):
                break # sig_prof handler stopped this itimer
        else: # Issue 8424
            self.skipTest("timeout: likely cause: machine too slow or load too "
                          "high")

        # profiling itimer should be (0.0, 0.0) now
        self.assertEqual(signal.getitimer(self.itimer), (0.0, 0.0))
        # and the handler should have been called
        self.assertEqual(self.hndl_called, True)

開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:21，代碼來源:test_signal.py

示例4: sig_prof

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def sig_prof(self, *args):
        self.hndl_called = True
        signal.setitimer(signal.ITIMER_PROF, 0)

        if test_support.verbose:
            print("SIGPROF handler invoked", args)

開發者ID:IronLanguages，項目名稱:ironpython2，代碼行數:8，代碼來源:test_signal.py

示例5: sig_prof

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def sig_prof(self, *args):
        self.hndl_called = True
        signal.setitimer(signal.ITIMER_PROF, 0)

開發者ID:Microvellum，項目名稱:Fluid-Designer，代碼行數:5，代碼來源:test_signal.py

示例6: test_itimer_prof

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def test_itimer_prof(self):
        self.itimer = signal.ITIMER_PROF
        signal.signal(signal.SIGPROF, self.sig_prof)
        signal.setitimer(self.itimer, 0.2, 0.2)

        for i in xrange(100000000):
            if signal.getitimer(self.itimer) == (0.0, 0.0):
                break # sig_prof handler stopped this itimer

        # profiling itimer should be (0.0, 0.0) now
        self.assertEquals(signal.getitimer(self.itimer), (0.0, 0.0))
        # and the handler should have been called
        self.assertEqual(self.hndl_called, True)

開發者ID:ofermend，項目名稱:medicare-demo，代碼行數:15，代碼來源:test_signal.py

示例7: set_timer_signal

# 需要導入模塊: import signal [as 別名]
# 或者: from signal import ITIMER_PROF [as 別名]
def set_timer_signal(use_wallclock_time: bool = False) -> None:
        """Set up timer signals for CPU profiling."""
        if use_wallclock_time:
            Scalene.__cpu_timer_signal = signal.ITIMER_REAL
        else:
            Scalene.__cpu_timer_signal = signal.ITIMER_VIRTUAL

        # Now set the appropriate timer signal.
        if Scalene.__cpu_timer_signal == signal.ITIMER_REAL:
            Scalene.__cpu_signal = signal.SIGALRM
        elif Scalene.__cpu_timer_signal == signal.ITIMER_VIRTUAL:
            Scalene.__cpu_signal = signal.SIGVTALRM
        elif Scalene.__cpu_timer_signal == signal.ITIMER_PROF:
            # NOT SUPPORTED
            assert False, "ITIMER_PROF is not currently supported."

開發者ID:emeryberger，項目名稱:scalene，代碼行數:17，代碼來源:scalene.py

注：本文中的signal.ITIMER_PROF屬性示例由純淨天空整理自Github/MSDocs等開源代碼及文檔管理平台，相關代碼片段篩選自各路編程大神貢獻的開源項目，源碼版權歸原作者所有，傳播和使用請參考對應項目的License；未經允許，請勿轉載。