Testing the high-level Python APIs for kernel synthetic events.
Signed-off-by: Yordan Karadzhov (VMware) <y.karadz@xxxxxxxxx>
---
.../tests/1_unit/test_01_ftracepy_unit.py | 55 +++++++++++++++++++
1 file changed, 55 insertions(+)
diff --git a/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py b/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
index f51bcc1..70f5d29 100644
--- a/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
+++ b/tracecruncher/tests/1_unit/test_01_ftracepy_unit.py
@@ -825,6 +825,61 @@ class SyntTestCase(unittest.TestCase):
self.assertEqual('none', synth.get_filter())
synth.unregister()
+swaking = tc.event('sched', 'sched_waking')
+sswitch = tc.event('sched', 'sched_switch')
+
+class SyntTestCase(unittest.TestCase):
+ def test_synt_create(self):
+ start = tc.ksynth_event_item(event=swaking,
+ fields=['target_cpu', 'prio'],
+ match='pid')
+ self.assertEqual(start['fields'], ['target_cpu', 'prio'])
+ self.assertEqual(start['match'], 'pid')
+ self.assertEqual(start['field_names'], [None, None])
+
+ start = tc.ksynth_field_rename(start,
+ field='target_cpu', name='cpu')
+ self.assertEqual(start['field_names'], ['cpu', None])
+
+ end = tc.ksynth_event_item(event=sswitch,
+ fields=['prev_prio'],
+ match='next_pid')
+ self.assertEqual(end['fields'], ['prev_prio'])
+ self.assertEqual(end['match'], 'next_pid')
+
+ synth = tc.ksynth(name='synth_wakeup',
+ start_event=start, end_event=end,
+ synth_fields=[tc.ksynth_field_deltaT(hd=True)],
+ match_name='pid')
+
+ synth_str = synth.__repr__().split('\n')
+ event = synth_str[0]
+ hist_s = synth_str[1]
+ hist_e = synth_str[2]
+
+ self.assertTrue('keys=pid'in hist_s)
+ self.assertTrue('keys=next_pid' in hist_e)
+ self.assertTrue('pid=next_pid' in hist_e)
+ self.assertTrue('onmatch(sched.sched_waking).trace(synth_wakeup,$pid' in hist_e)
+ self.assertTrue('s32 cpu;' in event)
+ self.assertTrue('s32 prio;' in event)
+ split_1 = hist_s.split('__arg_')
+ arg1 = '__arg_' + split_1[1].split('=')[0]
+ arg2 = '__arg_' + split_1[2].split('=')[0]
+ self.assertTrue(arg1 + '=target_cpu' in hist_s)
+ self.assertTrue(arg2 + '=prio' in hist_s)
+ self.assertTrue('cpu=$' + arg1 in hist_e)
+ self.assertTrue('prio=$' + arg2 in hist_e)
+ split_2 = hist_e.split('trace(')
+ self.assertTrue('$pid' in split_2[1])
+ self.assertTrue('$prio' in split_2[1])
+ self.assertTrue('s32 prev_prio;' in event)
+ split_3 = hist_e.split('__arg_')
+ arg3 = '__arg_' + split_3[3].split('=')[0]
+ self.assertTrue(arg3 + '=prev_prio' in hist_e)
+ split_4 = hist_e.split('trace(')
+ self.assertTrue('$' + arg3 in split_4[1])
+
if __name__ == '__main__':
unittest.main()
--
2.32.0
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