perf/pmu-events/metric_test.py

2 # SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause)
14     a = Event('a')
15     b = Event('b')
16     self.assertEqual((a | b).ToPerfJson(), 'a | b')
17     self.assertEqual((a ^ b).ToPerfJson(), 'a ^ b')
18     self.assertEqual((a & b).ToPerfJson(), 'a & b')
19     self.assertEqual((a < b).ToPerfJson(), 'a < b')
20     self.assertEqual((a > b).ToPerfJson(), 'a > b')
21     self.assertEqual((a + b).ToPerfJson(), 'a + b')
22     self.assertEqual((a - b).ToPerfJson(), 'a - b')
23     self.assertEqual((a * b).ToPerfJson(), 'a * b')
24     self.assertEqual((a / b).ToPerfJson(), 'a / b')
25     self.assertEqual((a % b).ToPerfJson(), 'a % b')
27     self.assertEqual((a + one).ToPerfJson(), 'a + 1')
30     a = Event('a')
31     b = Event('b')
33     self.assertEqual((a * b + c).ToPerfJson(), 'a * b + c')
34     self.assertEqual((a + b * c).ToPerfJson(), 'a + b * c')
35     self.assertEqual(((a + a) + a).ToPerfJson(), 'a + a + a')
36     self.assertEqual(((a + b) * c).ToPerfJson(), '(a + b) * c')
37     self.assertEqual((a + (b * c)).ToPerfJson(), 'a + b * c')
38     self.assertEqual(((a / b) * c).ToPerfJson(), 'a / b * c')
39     self.assertEqual((a / (b * c)).ToPerfJson(), 'a / (b * c)')
42     # Based on an example of a real metric.
43     before = '(a + b + c + d) / (2 * e)'
47     # Parsing should handle events with '-' in their name. Note, in
49     before = r'topdown\-fe\-bound / topdown\-slots - 1'
60     before = r'a + 1e12 + b'
65     # if-else needs rewriting to Select and back.
89     before = r'min(a + b if c > 1 else c + d, e + f)'
90     after = r'min((a + b if c > 1 else c + d), e + f)'
93     before = r'a if b else c if d else e'
94     after = r'(a if b else (c if d else e))'
98     # pylint: disable=eval-used
99     # Based on an example of a real metric.
100     before = '(a + b + c + d) / (2 * e)'
110     before = 'a + 0'
111     after = 'a'
114     before = '0 + a'
115     after = 'a'
118     before = 'a | 0'
119     after = 'a'
122     before = '0 | a'
123     after = 'a'
126     before = 'a * 0'
130     before = '0 * a'
134     before = 'a * 1'
135     after = 'a'
138     before = '1 * a'
139     after = 'a'
142     before = 'a if 0 else b'
143     after = 'b'
146     before = 'a if 1 else b'
147     after = 'a'
150     before = 'a if b else a'
151     after = 'a'
154     # Pattern used to add a slots event to metrics that require it.
161     before = [('cpu', 'm1', ParsePerfJson('a + b + c + d')),
162               ('cpu', 'm2', ParsePerfJson('a + b + c'))]