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Subject[PATCH v3 10/12] perf jevents: Skip optional metrics in metric group list
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For metric groups, skip metrics in the list that are None. This allows
functions to better optionally return metrics.

Signed-off-by: Ian Rogers <irogers@google.com>
---
tools/perf/pmu-events/metric.py | 8 +++++---
1 file changed, 5 insertions(+), 3 deletions(-)

diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric.py
index b39189182608..dd8fd06940e6 100644
--- a/tools/perf/pmu-events/metric.py
+++ b/tools/perf/pmu-events/metric.py
@@ -493,13 +493,15 @@ class MetricGroup:
"""

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

def AddToMetricGroup(self, group):
"""Callback used when a MetricGroup is added into another."""
--
2.44.0.278.ge034bb2e1d-goog

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