void AddLatencyView()

in e2e-examples/gcs/benchmark/grpc_otel.cc [29:48]

• 20 lines of code
• 1 McCabe index (conditional complexity)

void AddLatencyView(opentelemetry::sdk::metrics::MeterProvider* provider,
                    const std::string& name, const std::string& unit) {
  auto histogram_config = std::make_shared<
      opentelemetry::sdk::metrics::HistogramAggregationConfig>();
  histogram_config->boundaries_ = {
      0,     0.00001, 0.00005, 0.0001, 0.0003, 0.0006, 0.0008, 0.001, 0.002,
      0.003, 0.004,   0.005,   0.006,  0.008,  0.01,   0.013,  0.016, 0.02,
      0.025, 0.03,    0.04,    0.05,   0.065,  0.08,   0.1,    0.13,  0.16,
      0.2,   0.25,    0.3,     0.4,    0.5,    0.65,   0.8,    1,     2,
      5,     10,      20,      50,     100};
  provider->AddView(
      opentelemetry::sdk::metrics::InstrumentSelectorFactory::Create(
          opentelemetry::sdk::metrics::InstrumentType::kHistogram, name, unit),
      opentelemetry::sdk::metrics::MeterSelectorFactory::Create(
          "grpc-c++", grpc::Version(), ""),
      opentelemetry::sdk::metrics::ViewFactory::Create(
          name, "", unit,
          opentelemetry::sdk::metrics::AggregationType::kHistogram,
          std::move(histogram_config)));
}