feat(google_benchmark): support arguments in URI

Author: GuillaumeLagrange

examples/google_benchmark/main.cpp

@@ -1,4 +1,5 @@
 #include <benchmark/benchmark.h>
+#include <cstring>
 
 // Function to benchmark
 static void BM_rand_vector(benchmark::State &state) {
@@ -20,4 +21,18 @@ static void BM_StringCopy(benchmark::State &state) {
 // Register the function as a benchmark
 BENCHMARK(BM_StringCopy);
 
+static void BM_memcpy(benchmark::State &state) {
+  char *src = new char[state.range(0)];
+  char *dst = new char[state.range(0)];
+  memset(src, 'x', state.range(0));
+  for (auto _ : state)
+    memcpy(dst, src, state.range(0));
+  state.SetBytesProcessed(int64_t(state.iterations()) *
+                          int64_t(state.range(0)));
+  delete[] src;
+  delete[] dst;
+}
+
+BENCHMARK(BM_memcpy)->Range(8, 8 << 10);
+
 BENCHMARK_MAIN();

google_benchmark/src/benchmark_name.cc

@@ -16,6 +16,15 @@
 
 namespace benchmark {
 
+#ifdef CODSPEED_INSTRUMENTATION
+BENCHMARK_EXPORT std::string BenchmarkName::str() const {
+  if (args.empty()) {
+    return function_name;
+  }
+
+  return function_name + "[" + args + "]";
+}
+#else  // COSPEED_INSTRUMENTATION
 namespace {
 
 // Compute the total size of a pack of std::strings
@@ -56,4 +65,5 @@ std::string BenchmarkName::str() const {
   return join('/', function_name, args, min_time, min_warmup_time, iterations,
               repetitions, time_type, threads);
 }
+#endif
 }  // namespace benchmark