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Subject[PATCH v3 03/12] perf jevents: Add descriptions to metricgroup abstraction
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Add a function to recursively generate metric group descriptions.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/pmu-events/metric.py | 14 ++++++++++++--
1 file changed, 12 insertions(+), 2 deletions(-)

diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric.py
index 8a718dd4b1fe..1de4fb72c75e 100644
--- a/tools/perf/pmu-events/metric.py
+++ b/tools/perf/pmu-events/metric.py
@@ -475,6 +475,8 @@ class Metric:

return result

+ def ToMetricGroupDescriptions(self, root: bool = True) -> Dict[str, str]:
+ return {}

class _MetricJsonEncoder(json.JSONEncoder):
"""Special handling for Metric objects."""
@@ -493,10 +495,12 @@ class MetricGroup:
which can facilitate arrangements similar to trees.
"""

- def __init__(self, name: str, metric_list: List[Union[Metric,
- 'MetricGroup']]):
+ def __init__(self, name: str,
+ metric_list: List[Union[Metric, 'MetricGroup']],
+ description: Optional[str] = None):
self.name = name
self.metric_list = metric_list
+ self.description = description
for metric in metric_list:
metric.AddToMetricGroup(self)

@@ -516,6 +520,12 @@ class MetricGroup:
def ToPerfJson(self) -> str:
return json.dumps(sorted(self.Flatten()), indent=2, cls=_MetricJsonEncoder)

+ def ToMetricGroupDescriptions(self, root: bool = True) -> Dict[str, str]:
+ result = {self.name: self.description} if self.description else {}
+ for x in self.metric_list:
+ result.update(x.ToMetricGroupDescriptions(False))
+ return result
+
def __str__(self) -> str:
return self.ToPerfJson()

--
2.44.0.278.ge034bb2e1d-goog

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