diff options
Diffstat (limited to 'tools/perf/pmu-events/metric.py')
| -rw-r--r-- | tools/perf/pmu-events/metric.py | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric.py index 77ea6ff98538..8ec0ba884673 100644 --- a/tools/perf/pmu-events/metric.py +++ b/tools/perf/pmu-events/metric.py @@ -44,6 +44,9 @@ class Expression: def __and__(self, other: Union[int, float, 'Expression']) -> 'Operator': return Operator('&', self, other) + def __rand__(self, other: Union[int, float, 'Expression']) -> 'Operator': + return Operator('&', other, self) + def __lt__(self, other: Union[int, float, 'Expression']) -> 'Operator': return Operator('<', self, other) @@ -88,7 +91,10 @@ def _Constify(val: Union[bool, int, float, Expression]) -> Expression: # Simple lookup for operator precedence, used to avoid unnecessary -# brackets. Precedence matches that of python and the simple expression parser. +# brackets. Precedence matches that of the simple expression parser +# but differs from python where comparisons are lower precedence than +# the bitwise &, ^, | but not the logical versions that the expression +# parser doesn't have. _PRECEDENCE = { '|': 0, '^': 1, |