Python threading._DummyThread() Examples

The following are 30 code examples for showing how to use threading._DummyThread(). These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example.

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Example 1
Project: ironpython2   Author: IronLanguages   File: test_threading.py    License: Apache License 2.0 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 2
Project: ironpython2   Author: IronLanguages   File: test_threading.py    License: Apache License 2.0 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, '')
        self.assertEqual(err, '') 
Example 3
Project: BinderFilter   Author: dxwu   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 4
Project: BinderFilter   Author: dxwu   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, '')
        self.assertEqual(err, '') 
Example 5
Project: oss-ftp   Author: aliyun   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 6
Project: oss-ftp   Author: aliyun   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, '')
        self.assertEqual(err, '') 
Example 7
Project: Fluid-Designer   Author: Microvellum   File: test_threading.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = _thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 8
Project: Fluid-Designer   Author: Microvellum   File: test_threading.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import _thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            _thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, b'')
        self.assertEqual(err, b'') 
Example 9
Project: ironpython3   Author: IronLanguages   File: test_threading.py    License: Apache License 2.0 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = _thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 10
Project: ironpython3   Author: IronLanguages   File: test_threading.py    License: Apache License 2.0 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import _thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            _thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, b'')
        self.assertEqual(err, b'') 
Example 11
Project: gcblue   Author: gcblue   File: test_threading.py    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 12
Project: gcblue   Author: gcblue   File: test_threading.py    License: BSD 3-Clause "New" or "Revised" License 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, '')
        self.assertEqual(err, '') 
Example 13
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = _thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        #Issue 29376
        self.assertTrue(threading._active[tid].is_alive())
        self.assertRegex(repr(threading._active[tid]), '_DummyThread')
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 14
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import _thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            _thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, b'')
        self.assertEqual(err, b'') 
Example 15
Project: medicare-demo   Author: ofermend   File: test_threading.py    License: Apache License 2.0 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Acquiring an RLock forces an entry for the foreign
            # thread to get made in the threading._active map.
            r = threading.RLock()
            r.acquire()
            r.release()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assert_(tid in threading._active)
        self.assert_(isinstance(threading._active[tid],
                                threading._DummyThread))
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 16
Project: CTFCrackTools-V2   Author: Acmesec   File: test_threading.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 17
Project: android_universal   Author: bkerler   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertIsNotNone(threading.currentThread().ident)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        with support.wait_threads_exit():
            tid = _thread.start_new_thread(f, ())
            done.wait()
            self.assertEqual(ident[0], tid)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256 KiB) 
Example 18
Project: android_universal   Author: bkerler   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        with support.wait_threads_exit():
            tid = _thread.start_new_thread(f, (mutex,))
            # Wait for the thread to finish.
            mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        #Issue 29376
        self.assertTrue(threading._active[tid].is_alive())
        self.assertRegex(repr(threading._active[tid]), '_DummyThread')
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 19
Project: android_universal   Author: bkerler   File: test_threading.py    License: MIT License 6 votes vote down vote up
def test_dummy_thread_after_fork(self):
        # Issue #14308: a dummy thread in the active list doesn't mess up
        # the after-fork mechanism.
        code = """if 1:
            import _thread, threading, os, time

            def background_thread(evt):
                # Creates and registers the _DummyThread instance
                threading.current_thread()
                evt.set()
                time.sleep(10)

            evt = threading.Event()
            _thread.start_new_thread(background_thread, (evt,))
            evt.wait()
            assert threading.active_count() == 2, threading.active_count()
            if os.fork() == 0:
                assert threading.active_count() == 1, threading.active_count()
                os._exit(0)
            else:
                os.wait()
        """
        _, out, err = assert_python_ok("-c", code)
        self.assertEqual(out, b'')
        self.assertEqual(err, b'') 
Example 20
Project: CTFCrackTools   Author: Acmesec   File: test_threading.py    License: GNU General Public License v3.0 6 votes vote down vote up
def test_foreign_thread(self):
        # Check that a "foreign" thread can use the threading module.
        def f(mutex):
            # Calling current_thread() forces an entry for the foreign
            # thread to get made in the threading._active map.
            threading.current_thread()
            mutex.release()

        mutex = threading.Lock()
        mutex.acquire()
        tid = thread.start_new_thread(f, (mutex,))
        # Wait for the thread to finish.
        mutex.acquire()
        self.assertIn(tid, threading._active)
        self.assertIsInstance(threading._active[tid], threading._DummyThread)
        del threading._active[tid]

    # PyThreadState_SetAsyncExc() is a CPython-only gimmick, not (currently)
    # exposed at the Python level.  This test relies on ctypes to get at it. 
Example 21
Project: ironpython2   Author: IronLanguages   File: test_threading.py    License: Apache License 2.0 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertIsNotNone(threading.currentThread().ident)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        thread.start_new_thread(f, ())
        done.wait()
        self.assertIsNotNone(ident[0])
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 22
Project: BinderFilter   Author: dxwu   File: test_threading.py    License: MIT License 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 23
Project: oss-ftp   Author: aliyun   File: test_threading.py    License: MIT License 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 24
Project: Fluid-Designer   Author: Microvellum   File: test_threading.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        _thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 25
Project: ironpython3   Author: IronLanguages   File: test_threading.py    License: Apache License 2.0 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        _thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 26
Project: gcblue   Author: gcblue   File: test_threading.py    License: BSD 3-Clause "New" or "Revised" License 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 27
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertIsNotNone(threading.currentThread().ident)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        _thread.start_new_thread(f, ())
        done.wait()
        self.assertIsNotNone(ident[0])
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 28
Project: CTFCrackTools-V2   Author: Acmesec   File: test_threading.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 29
Project: CTFCrackTools   Author: Acmesec   File: test_threading.py    License: GNU General Public License v3.0 5 votes vote down vote up
def test_ident_of_no_threading_threads(self):
        # The ident still must work for the main thread and dummy threads.
        self.assertFalse(threading.currentThread().ident is None)
        def f():
            ident.append(threading.currentThread().ident)
            done.set()
        done = threading.Event()
        ident = []
        thread.start_new_thread(f, ())
        done.wait()
        self.assertFalse(ident[0] is None)
        # Kill the "immortal" _DummyThread
        del threading._active[ident[0]]

    # run with a small(ish) thread stack size (256kB) 
Example 30
Project: python-sensor   Author: instana   File: meter.py    License: MIT License 4 votes vote down vote up
def collect_metrics(self):
        """ Collect up and return various metrics """
        try:
            g = None
            u = resource.getrusage(resource.RUSAGE_SELF)
            if gc_.isenabled():
                c = list(gc_.get_count())
                th = list(gc_.get_threshold())
                g = GC(collect0=c[0] if not self.last_collect else c[0] - self.last_collect[0],
                       collect1=c[1] if not self.last_collect else c[
                           1] - self.last_collect[1],
                       collect2=c[2] if not self.last_collect else c[
                           2] - self.last_collect[2],
                       threshold0=th[0],
                       threshold1=th[1],
                       threshold2=th[2])

            thr = threading.enumerate()
            daemon_threads = [tr.daemon is True for tr in thr].count(True)
            alive_threads = [tr.daemon is False for tr in thr].count(True)
            dummy_threads = [type(tr) is threading._DummyThread for tr in thr].count(True)

            m = Metrics(ru_utime=u[0] if not self.last_usage else u[0] - self.last_usage[0],
                        ru_stime=u[1] if not self.last_usage else u[1] - self.last_usage[1],
                        ru_maxrss=u[2],
                        ru_ixrss=u[3],
                        ru_idrss=u[4],
                        ru_isrss=u[5],
                        ru_minflt=u[6] if not self.last_usage else u[6] - self.last_usage[6],
                        ru_majflt=u[7] if not self.last_usage else u[7] - self.last_usage[7],
                        ru_nswap=u[8] if not self.last_usage else u[8] - self.last_usage[8],
                        ru_inblock=u[9] if not self.last_usage else u[9] - self.last_usage[9],
                        ru_oublock=u[10] if not self.last_usage else u[10] - self.last_usage[10],
                        ru_msgsnd=u[11] if not self.last_usage else u[11] - self.last_usage[11],
                        ru_msgrcv=u[12] if not self.last_usage else u[12] - self.last_usage[12],
                        ru_nsignals=u[13] if not self.last_usage else u[13] - self.last_usage[13],
                        ru_nvcs=u[14] if not self.last_usage else u[14] - self.last_usage[14],
                        ru_nivcsw=u[15] if not self.last_usage else u[15] - self.last_usage[15],
                        alive_threads=alive_threads,
                        dummy_threads=dummy_threads,
                        daemon_threads=daemon_threads,
                        gc=g)

            self.last_usage = u
            if gc_.isenabled():
                self.last_collect = c

            return m
        except Exception:
            logger.debug("collect_metrics", exc_info=True)