1 files changed, 53 insertions, 0 deletions
diff --git a/src/jaegertracing/opentelemetry-cpp/sdk/test/metrics/attributes_hashmap_benchmark.cc b/src/jaegertracing/opentelemetry-cpp/sdk/test/metrics/attributes_hashmap_benchmark.cc
new file mode 100644
index 000000000..38d515a7e
--- /dev/null
+++ b/src/jaegertracing/opentelemetry-cpp/sdk/test/metrics/attributes_hashmap_benchmark.cc
@@ -0,0 +1,53 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+#include <benchmark/benchmark.h>
+#ifndef ENABLE_METRICS_PREVIEW
+#  include "opentelemetry/sdk/common/attributemap_hash.h"
+#  include "opentelemetry/sdk/metrics/aggregation/aggregation.h"
+#  include "opentelemetry/sdk/metrics/aggregation/drop_aggregation.h"
+#  include "opentelemetry/sdk/metrics/instruments.h"
+#  include "opentelemetry/sdk/metrics/state/attributes_hashmap.h"
+
+#  include <functional>
+#  include <vector>
+
+using namespace opentelemetry::sdk::metrics;
+constexpr size_t MAX_THREADS = 500;
+namespace
+{
+
+void BM_AttributseHashMap(benchmark::State &state)
+{
+
+  AttributesHashMap hash_map;
+  std::vector<std::thread> workers;
+  std::vector<MetricAttributes> attributes = {{{"k1", "v1"}, {"k2", "v2"}},
+                                              {{"k1", "v1"}, {"k2", "v2"}, {"k3", "v3"}}};
+
+  std::function<std::unique_ptr<Aggregation>()> create_default_aggregation =
+      []() -> std::unique_ptr<Aggregation> {
+    return std::unique_ptr<Aggregation>(new DropAggregation);
+  };
+
+  while (state.KeepRunning())
+  {
+    for (size_t i = 0; i < MAX_THREADS; i++)
+    {
+      workers.push_back(std::thread([&]() {
+        hash_map.GetOrSetDefault(attributes[i % 2], create_default_aggregation)->Aggregate(1l);
+        benchmark::DoNotOptimize(hash_map.Has(attributes[i % 2]));
+      }));
+    }
+  }
+
+  for (auto &t : workers)
+  {
+    t.join();
+  }
+}
+
+BENCHMARK(BM_AttributseHashMap);
+}  // namespace
+#endif
+BENCHMARK_MAIN();
+\ No newline at end of file