diff --git a/Lib/test/_test_multiprocessing.py b/Lib/test/_test_multiprocessing.py
--- a/Lib/test/_test_multiprocessing.py
+++ b/Lib/test/_test_multiprocessing.py
@@ -273,6 +273,7 @@
     def _test_terminate(cls):
         time.sleep(100)
 
+    @test.support.no_tracing
     def test_terminate(self):
         if self.TYPE == 'threads':
             self.skipTest('test not appropriate for {}'.format(self.TYPE))
diff --git a/Lib/test/test_io.py b/Lib/test/test_io.py
--- a/Lib/test/test_io.py
+++ b/Lib/test/test_io.py
@@ -3110,6 +3110,7 @@
     def alarm_interrupt(self, sig, frame):
         1/0
 
+    @support.no_tracing
     @unittest.skipUnless(threading, 'Threading required for this test.')
     def check_interrupted_write(self, item, bytes, **fdopen_kwargs):
         """Check that a partial write, when it gets interrupted, properly
diff --git a/Lib/test/test_signal.py b/Lib/test/test_signal.py
--- a/Lib/test/test_signal.py
+++ b/Lib/test/test_signal.py
@@ -71,6 +71,7 @@
                 if e.errno != errno.EINTR:
                     raise
 
+    @support.no_tracing
     def run_test(self):
         # Install handlers. This function runs in a sub-process, so we
         # don't worry about re-setting the default handlers.
@@ -275,6 +276,7 @@
 
         assert_python_ok('-c', code)
 
+    @support.no_tracing
     def test_wakeup_write_error(self):
         # Issue #16105: write() errors in the C signal handler should not
         # pass silently.
@@ -650,6 +652,7 @@
         """
         assert_python_ok('-c', code)
 
+    @support.no_tracing
     @unittest.skipUnless(hasattr(signal, 'pthread_sigmask'),
                          'need signal.pthread_sigmask()')
     def wait_helper(self, blocked, test):
diff --git a/Lib/test/test_socket.py b/Lib/test/test_socket.py
--- a/Lib/test/test_socket.py
+++ b/Lib/test/test_socket.py
@@ -1259,6 +1259,7 @@
         # have a reverse entry yet
         # socket.gethostbyaddr('испытание.python.org')
 
+    @support.no_tracing
     def check_sendall_interrupted(self, with_timeout):
         # socketpair() is not stricly required, but it makes things easier.
         if not hasattr(signal, 'alarm') or not hasattr(socket, 'socketpair'):
@@ -4473,6 +4474,7 @@
         if not ok:
             self.fail("accept() returned success when we did not expect it")
 
+    @support.no_tracing
     @unittest.skipUnless(hasattr(signal, 'alarm'),
                          'test needs signal.alarm()')
     def testInterruptedTimeout(self):
diff --git a/Lib/test/test_threadsignals.py b/Lib/test/test_threadsignals.py
--- a/Lib/test/test_threadsignals.py
+++ b/Lib/test/test_threadsignals.py
@@ -4,7 +4,7 @@
 import signal
 import os
 import sys
-from test.support import run_unittest, import_module
+from test.support import run_unittest, import_module, no_tracing
 thread = import_module('_thread')
 import time
 
@@ -72,6 +72,7 @@
     def alarm_interrupt(self, sig, frame):
         raise KeyboardInterrupt
 
+    @no_tracing
     @unittest.skipIf(USING_PTHREAD_COND,
                      'POSIX condition variables cannot be interrupted')
     def test_lock_acquire_interruption(self):
@@ -95,6 +96,7 @@
         finally:
             signal.signal(signal.SIGALRM, oldalrm)
 
+    @no_tracing
     @unittest.skipIf(USING_PTHREAD_COND,
                      'POSIX condition variables cannot be interrupted')
     def test_rlock_acquire_interruption(self):