Message ID | 20240302005950.2847058-6-irogers@google.com |
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State | New |
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Series |
Foundations for metric generation with Python
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Commit Message
Ian Rogers
March 2, 2024, 12:59 a.m. UTC
Support negative exponents when parsing from a json metric string by
making the numbers after the 'e' optional in the 'Event' insertion fix
up.
Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/pmu-events/metric.py | 2 +-
tools/perf/pmu-events/metric_test.py | 4 ++++
2 files changed, 5 insertions(+), 1 deletion(-)
diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric.py index 847b614d40d5..31eea2f45152 100644 --- a/tools/perf/pmu-events/metric.py +++ b/tools/perf/pmu-events/metric.py @@ -573,7 +573,7 @@ def ParsePerfJson(orig: str) -> Expression: # a double by the Bison parser py = re.sub(r'0Event\(r"[xX]([0-9a-fA-F]*)"\)', r'Event("0x\1")', py) # Convert accidentally converted scientific notation constants back - py = re.sub(r'([0-9]+)Event\(r"(e[0-9]+)"\)', r'\1\2', py) + py = re.sub(r'([0-9]+)Event\(r"(e[0-9]*)"\)', r'\1\2', py) # Convert all the known keywords back from events to just the keyword keywords = ['if', 'else', 'min', 'max', 'd_ratio', 'source_count', 'has_event', 'strcmp_cpuid_str'] for kw in keywords: diff --git a/tools/perf/pmu-events/metric_test.py b/tools/perf/pmu-events/metric_test.py index ee22ff43ddd7..8acfe4652b55 100755 --- a/tools/perf/pmu-events/metric_test.py +++ b/tools/perf/pmu-events/metric_test.py @@ -61,6 +61,10 @@ class TestMetricExpressions(unittest.TestCase): after = before self.assertEqual(ParsePerfJson(before).ToPerfJson(), after) + before = r'a + 3e-12 + b' + after = before + self.assertEqual(ParsePerfJson(before).ToPerfJson(), after) + def test_IfElseTests(self): # if-else needs rewriting to Select and back. before = r'Event1 if #smt_on else Event2'