Merge pull request #10068 from ctiller/zalloc_bench

Track zalloc times in microbenchmark

1 files changed, 22 insertions, 0 deletions

diff --git a/test/cpp/microbenchmarks/bm_call_create.cc b/test/cpp/microbenchmarks/bm_call_create.cc
index 92a0d18fbc..014e2b96b5 100644
--- a/test/cpp/microbenchmarks/bm_call_create.cc
+++ b/test/cpp/microbenchmarks/bm_call_create.cc
@@ -63,6 +63,28 @@ extern "C" {
 
 auto &force_library_initialization = Library::get();
 
+void BM_Zalloc(benchmark::State &state) {
+  // speed of light for call creation is zalloc, so benchmark a few interesting
+  // sizes
+  size_t sz = state.range(0);
+  while (state.KeepRunning()) {
+    gpr_free(gpr_zalloc(sz));
+  }
+}
+BENCHMARK(BM_Zalloc)
+    ->Arg(64)
+    ->Arg(128)
+    ->Arg(256)
+    ->Arg(512)
+    ->Arg(1024)
+    ->Arg(1536)
+    ->Arg(2048)
+    ->Arg(3072)
+    ->Arg(4096)
+    ->Arg(5120)
+    ->Arg(6144)
+    ->Arg(7168);
+
 class BaseChannelFixture {
  public:
   BaseChannelFixture(grpc_channel *channel) : channel_(channel) {}