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-rwxr-xr-xtools/perf/pmu-events/jevents.py13
1 files changed, 6 insertions, 7 deletions
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index 83e0dcbeac9a..5b72048d50da 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -6,8 +6,7 @@ import csv
import json
import os
import sys
-from typing import Callable
-from typing import Sequence
+from typing import (Callable, Optional, Sequence)
# Global command line arguments.
_args = None
@@ -57,7 +56,7 @@ class JsonEvent:
'. '), '.').replace('\n', '\\n').replace(
'\"', '\\"').replace('\r', '\\r')
- def convert_aggr_mode(aggr_mode: str) -> str:
+ def convert_aggr_mode(aggr_mode: str) -> Optional[str]:
"""Returns the aggr_mode_class enum value associated with the JSON string."""
if not aggr_mode:
return None
@@ -67,7 +66,7 @@ class JsonEvent:
}
return aggr_mode_to_enum[aggr_mode]
- def lookup_msr(num: str) -> str:
+ def lookup_msr(num: str) -> Optional[str]:
"""Converts the msr number, or first in a list to the appropriate event field."""
if not num:
return None
@@ -79,7 +78,7 @@ class JsonEvent:
}
return msrmap[int(num.split(',', 1)[0], 0)]
- def real_event(name: str, event: str) -> str:
+ def real_event(name: str, event: str) -> Optional[str]:
"""Convert well known event names to an event string otherwise use the event argument."""
fixed = {
'inst_retired.any': 'event=0xc0,period=2000003',
@@ -95,7 +94,7 @@ class JsonEvent:
return fixed[name.lower()]
return event
- def unit_to_pmu(unit: str) -> str:
+ def unit_to_pmu(unit: str) -> Optional[str]:
"""Convert a JSON Unit to Linux PMU name."""
if not unit:
return None
@@ -154,7 +153,7 @@ class JsonEvent:
if self.metric_expr:
self.metric_expr = self.metric_expr.replace('\\', '\\\\')
arch_std = jd.get('ArchStdEvent')
- if precise and self.desc and not '(Precise Event)' in self.desc:
+ if precise and self.desc and '(Precise Event)' not in self.desc:
extra_desc += ' (Must be precise)' if precise == '2' else (' (Precise '
'event)')
event = f'config={llx(configcode)}' if configcode is not None else f'event={llx(eventcode)}'