tests: workqueue: skip some tests on live systems

Any tests that access individual work items should not be run on live
systems. Similar to smp tests, the system is too busy and we run into
too many runtime errors, so the tests are flaky.

Signed-off-by: Stephen Brennan <[email protected]>

Author: brenns10

tests/test_workqueue.py

@@ -1,6 +1,7 @@
 # Copyright (c) 2023, Oracle and/or its affiliates.
 # Licensed under the Universal Permissive License v 1.0 as shown at https://oss.oracle.com/licenses/upl/
 import drgn
+import pytest
 from drgn.helpers.linux.cpumask import for_each_online_cpu
 from drgn.helpers.linux.percpu import per_cpu
 from drgn.helpers.linux.percpu import per_cpu_ptr
@@ -86,27 +87,32 @@ def test_for_each_pwq(prog: drgn.Program) -> None:
     assert pwqs.sort() == cpu_pwqs_list.sort()
 
 
+@pytest.mark.skip_live
 def test_for_each_pending_work_on_cpu(prog: drgn.Program) -> None:
     for work in wq.for_each_pending_work_on_cpu(prog, 0):
         pass
 
 
+@pytest.mark.skip_live
 def test_for_each_pending_work_in_pool(prog: drgn.Program) -> None:
     pool = per_cpu(prog["cpu_worker_pools"], 0)[0].address_of_()
     for work in wq.for_each_pending_work_in_pool(pool):
         pass
 
 
+@pytest.mark.skip_live
 def test_for_each_pending_work_of_pwq(prog: drgn.Program) -> None:
     cpu_pwqs_0 = wq.workqueue_get_pwq(prog["system_wq"], 0)
     for work in wq.for_each_pending_work_of_pwq(cpu_pwqs_0):
         pass
 
 
+@pytest.mark.skip_live
 def test_show_all_workqueues(prog: drgn.Program) -> None:
     wq.show_all_workqueues(prog)
 
 
+@pytest.mark.skip_live
 def test_show_unexpired_delayed_works(
     prog: drgn.Program,
 ) -> None: