All trace-cruncher APIs should be covered by unit tests. Added a test
for newly introduced event probes API.
Signed-off-by: Tzvetomir Stoyanov (VMware) <tz.stoyanov@xxxxxxxxx>
---
.../tests/1_unit/test_01_ftracepy_unit.py | 50 +++++++++++++++++++
1 file changed, 50 insertions(+)
diff --git a/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py b/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
index 2de3d89..d23cb63 100644
--- a/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
+++ b/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
@@ -14,6 +14,7 @@ import tracecruncher.ft_utils as tc
instance_name = 'test_instance1'
another_instance_name = 'test_instance2'
+kernel_version = tuple(map(int, (os.uname()[2].split('.')[:2])))
class InstanceTestCase(unittest.TestCase):
def test_dir(self):
@@ -457,6 +458,55 @@ class KprobeTestCase(unittest.TestCase):
ret = kp1.is_enabled(instance=inst)
self.assertEqual(ret, '0')
+class EprobeTestCase(unittest.TestCase):
+ def test_register_eprobe(self):
+ """ Event probes are introduced in Linux kernel 5.15
+ """
+ if kernel_version < (5, 15):
+ return
+
+ evt1 = 'sopen_in'
+ evt1_tsys = 'syscalls'
+ evt1_tevent = 'sys_enter_openat'
+ evt1_args = 'file=+0($filename):ustring'
+ evt2 = 'sopen_out'
+ evt2_tsys = 'syscalls'
+ evt2_tevent = 'sys_exit_openat'
+ evt2_args = 'res=$ret:u64'
+
+ ep1 = ft.register_eprobe(event=evt1, target_system=evt1_tsys, target_event=evt1_tevent,
+ fetchargs=evt1_args)
+ self.assertEqual(evt1, ep1.event())
+ self.assertEqual("{}.{}".format(evt1_tsys, evt1_tevent), ep1.address())
+ self.assertEqual(evt1_args, ep1.probe())
+
+ ep2 = ft.register_eprobe(event=evt2, target_system=evt2_tsys, target_event=evt2_tevent,
+ fetchargs=evt2_args)
+ self.assertEqual(evt2, ep2.event())
+ self.assertEqual("{}.{}".format(evt2_tsys, evt2_tevent), ep2.address())
+ self.assertEqual(evt2_args, ep2.probe())
+
+ def test_enable_eprobe(self):
+ """ Event probes are introduced in Linux kernel 5.15
+ """
+ if kernel_version < (5, 15):
+ return
+
+ evt1 = 'sopen_out'
+ evt1_tsys = 'syscalls'
+ evt1_tevent = 'sys_exit_openat'
+ evt1_args = 'res=$ret:u64'
+
+ ep1 = ft.register_eprobe(event=evt1, target_system=evt1_tsys, target_event=evt1_tevent,
+ fetchargs=evt1_args)
+ inst = ft.create_instance(instance_name)
+ ep1.enable(instance=inst)
+ ret = ep1.is_enabled(instance=inst)
+ self.assertEqual(ret, '1')
+
+ ep1.disable(instance=inst)
+ ret = ep1.is_enabled(instance=inst)
+ self.assertEqual(ret, '0')
class TracingOnTestCase(unittest.TestCase):
def test_ON_OF(self):
--
2.34.1
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