| 12345678910111213141516171819202122232425262728293031 | #include <benchmark/benchmark.h>#include <prometheus/counter.h>#include <prometheus/registry.h>static void BM_Counter_Increment(benchmark::State& state) {  using prometheus::BuildCounter;  using prometheus::Counter;  using prometheus::Registry;  Registry registry;  auto& counter_family =      BuildCounter().Name("benchmark_counter").Help("").Register(registry);  auto& counter = counter_family.Add({});  while (state.KeepRunning()) counter.Increment();}BENCHMARK(BM_Counter_Increment);static void BM_Counter_Collect(benchmark::State& state) {  using prometheus::BuildCounter;  using prometheus::Counter;  using prometheus::Registry;  Registry registry;  auto& counter_family =      BuildCounter().Name("benchmark_counter").Help("").Register(registry);  auto& counter = counter_family.Add({});  while (state.KeepRunning()) {    benchmark::DoNotOptimize(counter.Collect());  };}BENCHMARK(BM_Counter_Collect);
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