[v1,04/12] perf jevents: Allow metric groups not to be named

Message ID 20240228175617.4049201-5-irogers@google.com
State New
Headers
Series [v1,01/12] perf jevents: Allow multiple metricgroups.json files |

Commit Message

Ian Rogers Feb. 28, 2024, 5:56 p.m. UTC
  It can be convenient to have unnamed metric groups for the sake of
organizing other metrics and metric groups. An unspecified name
shouldn't contribute to the MetricGroup json value, so don't record
it.

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/pmu-events/metric.py | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)
  

Patch

diff --git a/tools/perf/pmu-events/metric.py b/tools/perf/pmu-events/metric.py
index 1de4fb72c75e..847b614d40d5 100644
--- a/tools/perf/pmu-events/metric.py
+++ b/tools/perf/pmu-events/metric.py
@@ -455,7 +455,8 @@  class Metric:
 
   def AddToMetricGroup(self, group):
     """Callback used when being added to a MetricGroup."""
-    self.groups.add(group.name)
+    if group.name:
+      self.groups.add(group.name)
 
   def Flatten(self) -> Set['Metric']:
     """Return a leaf metric."""