[tools/perf] Only send _avg metrics for memory infra metrics

tools/perf/benchmarks/memory_infra.py

Index: tools/perf/benchmarks/memory_infra.py
diff --git a/tools/perf/benchmarks/memory_infra.py b/tools/perf/benchmarks/memory_infra.py
index 4672f73bf25dc4e5c0547c6afd10ba549efe71e7..7904eaeace8d6b472263c972176f183735925f16 100644
--- a/tools/perf/benchmarks/memory_infra.py
+++ b/tools/perf/benchmarks/memory_infra.py
@@ -14,6 +14,11 @@ from telemetry.web_perf.metrics import memory_timeline
 import page_sets
 
 
+# See tr.v.Numeric.getSummarizedScalarNumericsWithNames()
+# https://github.com/catapult-project/catapult/blob/master/tracing/tracing/value/numeric.html#L323
+_IGNORED_STATS_RE = re.compile(r'_(std|count|max|min|sum|pct_\d{4}(_\d+)?)$')
+
+
 class _MemoryInfra(perf_benchmark.PerfBenchmark):
   """Base class for new-generation memory benchmarks based on memory-infra.
 
@@ -89,6 +94,12 @@ class TBMv2MemoryBenchmarkTop10Mobile(MemoryHealthPlan):
   def Name(cls):
     return 'memory.top_10_mobile_tbmv2'
 
+  @classmethod
+  def ValueCanBeAddedPredicate(cls, value, is_first_result):
+    # TODO(crbug.com/610962): Remove this stopgap when the perf dashboard
+    # is able to cope with the data load generated by TBMv2 metrics.
+    return not _IGNORED_STATS_RE.search(value.name)
+
 
 # Benchmark is disabled by default because it takes too long to run.
 @benchmark.Disabled('all')
@@ -107,6 +118,12 @@ class DualBrowserBenchmark(_MemoryInfra):
   def Name(cls):
     return 'memory.dual_browser_test'
 
+  @classmethod
+  def ValueCanBeAddedPredicate(cls, value, is_first_result):
+    # TODO(crbug.com/610962): Remove this stopgap when the perf dashboard
+    # is able to cope with the data load generated by TBMv2 metrics.
+    return not _IGNORED_STATS_RE.search(value.name)
+
 
 # TODO(bashi): Workaround for http://crbug.com/532075
 # @benchmark.Enabled('android') shouldn't be needed.