Manual fixes to enable performance- clang tidy checks

4 files changed, 9 insertions, 10 deletions

diff --git a/test/cpp/qps/client.h b/test/cpp/qps/client.h
index 31ae6ca1fb..9d58ea8882 100644
--- a/test/cpp/qps/client.h
+++ b/test/cpp/qps/client.h
@@ -450,7 +450,7 @@ class ClientImpl : public Client {
 
    private:
     void set_channel_args(const ClientConfig& config, ChannelArguments* args) {
-      for (auto channel_arg : config.channel_args()) {
+      for (const auto& channel_arg : config.channel_args()) {
         if (channel_arg.value_case() == ChannelArg::kStrValue) {
           args->SetString(channel_arg.name(), channel_arg.str_value());
         } else if (channel_arg.value_case() == ChannelArg::kIntValue) {
diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index e6dbb7e076..bad24cf04a 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -299,7 +299,7 @@ class AsyncClient : public ClientImpl<StubType, RequestType> {
 };
 
 static std::unique_ptr<BenchmarkService::Stub> BenchmarkStubCreator(
-    std::shared_ptr<Channel> ch) {
+    const std::shared_ptr<Channel>& ch) {
   return BenchmarkService::NewStub(ch);
 }
 
@@ -314,7 +314,7 @@ class AsyncUnaryClient final
   ~AsyncUnaryClient() override {}
 
  private:
-  static void CheckDone(grpc::Status s, SimpleResponse* response,
+  static void CheckDone(const grpc::Status& s, SimpleResponse* response,
                         HistogramEntry* entry) {
     entry->set_status(s.error_code());
   }
@@ -498,7 +498,7 @@ class AsyncStreamingPingPongClient final
   ~AsyncStreamingPingPongClient() override {}
 
  private:
-  static void CheckDone(grpc::Status s, SimpleResponse* response) {}
+  static void CheckDone(const grpc::Status& s, SimpleResponse* response) {}
   static std::unique_ptr<
       grpc::ClientAsyncReaderWriter<SimpleRequest, SimpleResponse>>
   PrepareReq(BenchmarkService::Stub* stub, grpc::ClientContext* ctx,
@@ -630,7 +630,7 @@ class AsyncStreamingFromClientClient final
   ~AsyncStreamingFromClientClient() override {}
 
  private:
-  static void CheckDone(grpc::Status s, SimpleResponse* response) {}
+  static void CheckDone(const grpc::Status& s, SimpleResponse* response) {}
   static std::unique_ptr<grpc::ClientAsyncWriter<SimpleRequest>> PrepareReq(
       BenchmarkService::Stub* stub, grpc::ClientContext* ctx,
       SimpleResponse* resp, CompletionQueue* cq) {
@@ -745,7 +745,7 @@ class AsyncStreamingFromServerClient final
   ~AsyncStreamingFromServerClient() override {}
 
  private:
-  static void CheckDone(grpc::Status s, SimpleResponse* response) {}
+  static void CheckDone(const grpc::Status& s, SimpleResponse* response) {}
   static std::unique_ptr<grpc::ClientAsyncReader<SimpleResponse>> PrepareReq(
       BenchmarkService::Stub* stub, grpc::ClientContext* ctx,
       const SimpleRequest& req, CompletionQueue* cq) {
@@ -895,7 +895,7 @@ class ClientRpcContextGenericStreamingImpl : public ClientRpcContext {
 };
 
 static std::unique_ptr<grpc::GenericStub> GenericStubCreator(
-    std::shared_ptr<Channel> ch) {
+    const std::shared_ptr<Channel>& ch) {
   return std::unique_ptr<grpc::GenericStub>(new grpc::GenericStub(ch));
 }
 
@@ -911,7 +911,7 @@ class GenericAsyncStreamingClient final
   ~GenericAsyncStreamingClient() override {}
 
  private:
-  static void CheckDone(grpc::Status s, ByteBuffer* response) {}
+  static void CheckDone(const grpc::Status& s, ByteBuffer* response) {}
   static std::unique_ptr<grpc::GenericClientAsyncReaderWriter> PrepareReq(
       grpc::GenericStub* stub, grpc::ClientContext* ctx,
       const grpc::string& method_name, CompletionQueue* cq) {
diff --git a/test/cpp/qps/client_sync.cc b/test/cpp/qps/client_sync.cc
index 3a60c57e1d..668d9abf5c 100644
--- a/test/cpp/qps/client_sync.cc
+++ b/test/cpp/qps/client_sync.cc
@@ -44,7 +44,7 @@ namespace grpc {
 namespace testing {
 
 static std::unique_ptr<BenchmarkService::Stub> BenchmarkStubCreator(
-    std::shared_ptr<Channel> ch) {
+    const std::shared_ptr<Channel>& ch) {
   return BenchmarkService::NewStub(ch);
 }
 
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc
index ecf5860b93..cabbd51843 100644
--- a/test/cpp/qps/driver.cc
+++ b/test/cpp/qps/driver.cc
@@ -217,7 +217,6 @@ std::unique_ptr<ScenarioResult> RunScenario(
   // To be added to the result, containing the final configuration used for
   // client and config (including host, etc.)
   ClientConfig result_client_config;
-  const ServerConfig& result_server_config = initial_server_config;
 
   // Get client, server lists; ignore if inproc test
   auto workers = (!run_inproc) ? get_workers("QPS_WORKERS") : deque<string>();