clang-format all these files
diff --git a/test/cpp/end2end/async_end2end_test.cc b/test/cpp/end2end/async_end2end_test.cc
index 7698e86..f03aa9f 100644
--- a/test/cpp/end2end/async_end2end_test.cc
+++ b/test/cpp/end2end/async_end2end_test.cc
@@ -65,9 +65,7 @@
 
 namespace {
 
-void* tag(int i) {
-  return (void*)(gpr_intptr)i;
-}
+void* tag(int i) { return (void*)(gpr_intptr)i; }
 
 void verify_ok(CompletionQueue* cq, int i, bool expect_ok) {
   bool ok;
@@ -109,18 +107,10 @@
     stub_ = std::move(grpc::cpp::test::util::TestService::NewStub(channel));
   }
 
-  void server_ok(int i) {
-    verify_ok(&srv_cq_, i, true);
-  }
-  void client_ok(int i) {
-    verify_ok(&cli_cq_, i , true);
-  }
-  void server_fail(int i) {
-    verify_ok(&srv_cq_, i, false);
-  }
-  void client_fail(int i) {
-    verify_ok(&cli_cq_, i, false);
-  }
+  void server_ok(int i) { verify_ok(&srv_cq_, i, true); }
+  void client_ok(int i) { verify_ok(&cli_cq_, i, true); }
+  void server_fail(int i) { verify_ok(&srv_cq_, i, false); }
+  void client_fail(int i) { verify_ok(&cli_cq_, i, false); }
 
   void SendRpc(int num_rpcs) {
     for (int i = 0; i < num_rpcs; i++) {
@@ -135,12 +125,11 @@
       grpc::ServerAsyncResponseWriter<EchoResponse> response_writer(&srv_ctx);
 
       send_request.set_message("Hello");
-      std::unique_ptr<ClientAsyncResponseReader<EchoResponse> >
-          response_reader(stub_->AsyncEcho(
-              &cli_ctx, send_request, &cli_cq_, tag(1)));
+      std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
+          stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
 
-      service_.RequestEcho(
-          &srv_ctx, &recv_request, &response_writer, &srv_cq_, tag(2));
+      service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
+                           tag(2));
 
       server_ok(2);
       EXPECT_EQ(send_request.message(), recv_request.message());
@@ -193,8 +182,7 @@
   std::unique_ptr<ClientAsyncWriter<EchoRequest> > cli_stream(
       stub_->AsyncRequestStream(&cli_ctx, &recv_response, &cli_cq_, tag(1)));
 
-  service_.RequestRequestStream(
-      &srv_ctx, &srv_stream, &srv_cq_, tag(2));
+  service_.RequestRequestStream(&srv_ctx, &srv_stream, &srv_cq_, tag(2));
 
   server_ok(2);
   client_ok(1);
@@ -247,8 +235,8 @@
   std::unique_ptr<ClientAsyncReader<EchoResponse> > cli_stream(
       stub_->AsyncResponseStream(&cli_ctx, send_request, &cli_cq_, tag(1)));
 
-  service_.RequestResponseStream(
-      &srv_ctx, &recv_request, &srv_stream, &srv_cq_, tag(2));
+  service_.RequestResponseStream(&srv_ctx, &recv_request, &srv_stream, &srv_cq_,
+                                 tag(2));
 
   server_ok(2);
   client_ok(1);
@@ -298,8 +286,7 @@
   std::unique_ptr<ClientAsyncReaderWriter<EchoRequest, EchoResponse> >
       cli_stream(stub_->AsyncBidiStream(&cli_ctx, &cli_cq_, tag(1)));
 
-  service_.RequestBidiStream(
-      &srv_ctx, &srv_stream, &srv_cq_, tag(2));
+  service_.RequestBidiStream(&srv_ctx, &srv_stream, &srv_cq_, tag(2));
 
   server_ok(2);
   client_ok(1);
@@ -357,8 +344,8 @@
   std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
       stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
 
-  service_.RequestEcho(
-      &srv_ctx, &recv_request, &response_writer, &srv_cq_, tag(2));
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
+                       tag(2));
   server_ok(2);
   EXPECT_EQ(send_request.message(), recv_request.message());
   auto client_initial_metadata = srv_ctx.client_metadata();
@@ -399,8 +386,8 @@
   std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
       stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
 
-  service_.RequestEcho(
-      &srv_ctx, &recv_request, &response_writer, &srv_cq_, tag(2));
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
+                       tag(2));
   server_ok(2);
   EXPECT_EQ(send_request.message(), recv_request.message());
   srv_ctx.AddInitialMetadata(meta1.first, meta1.second);
@@ -447,8 +434,8 @@
   std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
       stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
 
-  service_.RequestEcho(
-      &srv_ctx, &recv_request, &response_writer, &srv_cq_, tag(2));
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
+                       tag(2));
   server_ok(2);
   EXPECT_EQ(send_request.message(), recv_request.message());
   response_writer.SendInitialMetadata(tag(3));
@@ -462,7 +449,6 @@
 
   server_ok(4);
 
-
   response_reader->Finish(&recv_response, &recv_status, tag(5));
   client_ok(5);
   EXPECT_EQ(send_response.message(), recv_response.message());
@@ -491,10 +477,12 @@
   std::pair<grpc::string, grpc::string> meta2(
       "key2-bin", {"\xc0\xc1\xc2\xc3\xc4\xc5\xc6\xc7\xc8\xc9\xca\xcb\xcc", 13});
   std::pair<grpc::string, grpc::string> meta3("key3", "val3");
-  std::pair<grpc::string, grpc::string> meta6("key4-bin",
+  std::pair<grpc::string, grpc::string> meta6(
+      "key4-bin",
       {"\x10\x11\x12\x13\x14\x15\x16\x17\x18\x19\x1a\x1b\x1c\x1d", 14});
   std::pair<grpc::string, grpc::string> meta5("key5", "val5");
-  std::pair<grpc::string, grpc::string> meta4("key6-bin",
+  std::pair<grpc::string, grpc::string> meta4(
+      "key6-bin",
       {"\xe0\xe1\xe2\xe3\xe4\xe5\xe6\xe7\xe8\xe9\xea\xeb\xec\xed\xee", 15});
 
   cli_ctx.AddMetadata(meta1.first, meta1.second);
@@ -503,8 +491,8 @@
   std::unique_ptr<ClientAsyncResponseReader<EchoResponse> > response_reader(
       stub_->AsyncEcho(&cli_ctx, send_request, &cli_cq_, tag(1)));
 
-  service_.RequestEcho(
-      &srv_ctx, &recv_request, &response_writer, &srv_cq_, tag(2));
+  service_.RequestEcho(&srv_ctx, &recv_request, &response_writer, &srv_cq_,
+                       tag(2));
   server_ok(2);
   EXPECT_EQ(send_request.message(), recv_request.message());
   auto client_initial_metadata = srv_ctx.client_metadata();
@@ -531,7 +519,6 @@
 
   server_ok(5);
 
-
   response_reader->Finish(&recv_response, &recv_status, tag(6));
   client_ok(6);
   EXPECT_EQ(send_response.message(), recv_response.message());
diff --git a/test/cpp/qps/client_async.cc b/test/cpp/qps/client_async.cc
index 4034491..0c48f08 100644
--- a/test/cpp/qps/client_async.cc
+++ b/test/cpp/qps/client_async.cc
@@ -84,8 +84,8 @@
 
 // In some distros, gflags is in the namespace google, and in some others,
 // in gflags. This hack is enabling us to find both.
-namespace google { }
-namespace gflags { }
+namespace google {}
+namespace gflags {}
 using namespace google;
 using namespace gflags;
 
@@ -94,63 +94,67 @@
   return 1e9 * tv.tv_sec + tv.tv_nsec;
 }
 
-  class ClientRpcContext {
-  public:
-    ClientRpcContext() {}
-    virtual ~ClientRpcContext() {}
-    virtual bool operator()() = 0; // do next state, return false if steps done
-    static void *tag(ClientRpcContext *c) {return reinterpret_cast<void *>(c);}
-    static ClientRpcContext *detag(void *t) {
-      return reinterpret_cast<ClientRpcContext *>(t);
-    }
-    virtual void report_stats(gpr_histogram *hist) = 0;
-  };
-  template <class RequestType, class ResponseType>
-    class ClientRpcContextUnaryImpl : public ClientRpcContext {
-  public:
-    ClientRpcContextUnaryImpl(const RequestType& req,
-			      std::function<std::unique_ptr<grpc::ClientAsyncResponseReader<
-			      ResponseType>>(grpc::ClientContext *,
-					     const RequestType&, void *)> start_req,
-			      std::function<void(grpc::Status, ResponseType *)> on_done):
-      context_(), req_(req), response_(),	
-      next_state_(&ClientRpcContextUnaryImpl::ReqSent),
-      callback_(on_done),
-      start_(now()),
-      response_reader_(start_req(&context_, req_,
-				 ClientRpcContext::tag(this))) {
-    }
-    ~ClientRpcContextUnaryImpl() override {}
-    bool operator()() override {return (this->*next_state_)();}
-    void report_stats(gpr_histogram *hist) override {
-      gpr_histogram_add(hist, now()-start_);
-    }
-  private:
-    bool ReqSent() {
-      next_state_ = &ClientRpcContextUnaryImpl::RespDone;
-      response_reader_->Finish(&response_, &status_, ClientRpcContext::tag(this));
-      return true;
-    }
-    bool RespDone() {
-      next_state_ = &ClientRpcContextUnaryImpl::DoCallBack;
-      return false;
-    }
-    bool DoCallBack() {
-      callback_(status_, &response_);
-      return false;
-    }
-    grpc::ClientContext context_;
-    RequestType req_;
-    ResponseType response_;
-    bool (ClientRpcContextUnaryImpl::*next_state_)();
-    std::function<void(grpc::Status, ResponseType *)> callback_;
-    grpc::Status status_;
-    double start_;
-    std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>> response_reader_;
-  };
+class ClientRpcContext {
+ public:
+  ClientRpcContext() {}
+  virtual ~ClientRpcContext() {}
+  virtual bool operator()() = 0;  // do next state, return false if steps done
+  static void *tag(ClientRpcContext *c) { return reinterpret_cast<void *>(c); }
+  static ClientRpcContext *detag(void *t) {
+    return reinterpret_cast<ClientRpcContext *>(t);
+  }
+  virtual void report_stats(gpr_histogram *hist) = 0;
+};
+template <class RequestType, class ResponseType>
+class ClientRpcContextUnaryImpl : public ClientRpcContext {
+ public:
+  ClientRpcContextUnaryImpl(
+      const RequestType &req,
+      std::function<
+          std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>>(
+              grpc::ClientContext *, const RequestType &, void *)> start_req,
+      std::function<void(grpc::Status, ResponseType *)> on_done)
+      : context_(),
+        req_(req),
+        response_(),
+        next_state_(&ClientRpcContextUnaryImpl::ReqSent),
+        callback_(on_done),
+        start_(now()),
+        response_reader_(
+            start_req(&context_, req_, ClientRpcContext::tag(this))) {}
+  ~ClientRpcContextUnaryImpl() override {}
+  bool operator()() override { return (this->*next_state_)(); }
+  void report_stats(gpr_histogram *hist) override {
+    gpr_histogram_add(hist, now() - start_);
+  }
+
+ private:
+  bool ReqSent() {
+    next_state_ = &ClientRpcContextUnaryImpl::RespDone;
+    response_reader_->Finish(&response_, &status_, ClientRpcContext::tag(this));
+    return true;
+  }
+  bool RespDone() {
+    next_state_ = &ClientRpcContextUnaryImpl::DoCallBack;
+    return false;
+  }
+  bool DoCallBack() {
+    callback_(status_, &response_);
+    return false;
+  }
+  grpc::ClientContext context_;
+  RequestType req_;
+  ResponseType response_;
+  bool (ClientRpcContextUnaryImpl::*next_state_)();
+  std::function<void(grpc::Status, ResponseType *)> callback_;
+  grpc::Status status_;
+  double start_;
+  std::unique_ptr<grpc::ClientAsyncResponseReader<ResponseType>>
+      response_reader_;
+};
 
 static void RunTest(const int client_threads, const int client_channels,
-		    const int num_rpcs, const int payload_size) {
+                    const int num_rpcs, const int payload_size) {
   gpr_log(GPR_INFO,
           "QPS test with parameters\n"
           "enable_ssl = %d\n"
@@ -197,71 +201,65 @@
   grpc_profiler_start("qps_client_async.prof");
 
   auto CheckDone = [=](grpc::Status s, SimpleResponse *response) {
-    GPR_ASSERT(s.IsOk() &&
-	       (response->payload().type() ==
-		grpc::testing::PayloadType::COMPRESSABLE) &&
-	       (response->payload().body().length() ==
-		static_cast<size_t>(payload_size)));
+    GPR_ASSERT(s.IsOk() && (response->payload().type() ==
+                            grpc::testing::PayloadType::COMPRESSABLE) &&
+               (response->payload().body().length() ==
+                static_cast<size_t>(payload_size)));
   };
-  
+
   for (int i = 0; i < client_threads; i++) {
     gpr_histogram *hist = gpr_histogram_create(0.01, 60e9);
     GPR_ASSERT(hist != NULL);
     thread_stats[i] = hist;
 
-    threads.push_back(
-        std::thread([hist, client_threads, client_channels, num_rpcs,
-                     payload_size, &channels, &CheckDone](int channel_num) {
-		      using namespace std::placeholders;
-                      SimpleRequest request;
-                      request.set_response_type(
-                          grpc::testing::PayloadType::COMPRESSABLE);
-                      request.set_response_size(payload_size);
+    threads.push_back(std::thread(
+        [hist, client_threads, client_channels, num_rpcs, payload_size,
+         &channels, &CheckDone](int channel_num) {
+          using namespace std::placeholders;
+          SimpleRequest request;
+          request.set_response_type(grpc::testing::PayloadType::COMPRESSABLE);
+          request.set_response_size(payload_size);
 
-		      grpc::CompletionQueue cli_cq;
+          grpc::CompletionQueue cli_cq;
 
-                      int rpcs_sent=0;
-                      while (rpcs_sent < num_rpcs) {
-                        rpcs_sent++;
-                        TestService::Stub *stub =
-                            channels[channel_num].get_stub();
-                        grpc::ClientContext context;
-			auto start_req = std::bind(&TestService::Stub::AsyncUnaryCall,
-						   stub, _1, _2, &cli_cq, _3);
-			new ClientRpcContextUnaryImpl<SimpleRequest,
-						      SimpleResponse>(request,
-								      start_req,
-								      CheckDone);
-			void *got_tag;
-			bool ok;
+          int rpcs_sent = 0;
+          while (rpcs_sent < num_rpcs) {
+            rpcs_sent++;
+            TestService::Stub *stub = channels[channel_num].get_stub();
+            grpc::ClientContext context;
+            auto start_req = std::bind(&TestService::Stub::AsyncUnaryCall, stub,
+                                       _1, _2, &cli_cq, _3);
+            new ClientRpcContextUnaryImpl<SimpleRequest, SimpleResponse>(
+                request, start_req, CheckDone);
+            void *got_tag;
+            bool ok;
 
-			// Need to call 2 next for every 1 RPC (1 for req done, 1 for resp done)
-			cli_cq.Next(&got_tag,&ok);
-			if (!ok)
-			  break;
-			ClientRpcContext *ctx = ClientRpcContext::detag(got_tag);
-			if ((*ctx)() == false) {
-			  // call the callback and then delete it
-			  (*ctx)();
-			  delete ctx;
-			}
-			cli_cq.Next(&got_tag,&ok);
-			if (!ok)
-			  break;
-			ctx = ClientRpcContext::detag(got_tag);
-			if ((*ctx)() == false) {
-			  // call the callback and then delete it
-			  ctx->report_stats(hist);
-			  (*ctx)();
-			  delete ctx;
-			}
-			// Now do runtime round-robin assignment of the next
-			// channel number
-			channel_num += client_threads;
-			channel_num %= client_channels;
-		      }
-                    },
-                    i % client_channels));
+            // Need to call 2 next for every 1 RPC (1 for req done, 1 for resp
+            // done)
+            cli_cq.Next(&got_tag, &ok);
+            if (!ok) break;
+            ClientRpcContext *ctx = ClientRpcContext::detag(got_tag);
+            if ((*ctx)() == false) {
+              // call the callback and then delete it
+              (*ctx)();
+              delete ctx;
+            }
+            cli_cq.Next(&got_tag, &ok);
+            if (!ok) break;
+            ctx = ClientRpcContext::detag(got_tag);
+            if ((*ctx)() == false) {
+              // call the callback and then delete it
+              ctx->report_stats(hist);
+              (*ctx)();
+              delete ctx;
+            }
+            // Now do runtime round-robin assignment of the next
+            // channel number
+            channel_num += client_threads;
+            channel_num %= client_channels;
+          }
+        },
+        i % client_channels));
   }
 
   gpr_histogram *hist = gpr_histogram_create(0.01, 60e9);
diff --git a/test/cpp/qps/server_async.cc b/test/cpp/qps/server_async.cc
index fec17ea..b68c2c9 100644
--- a/test/cpp/qps/server_async.cc
+++ b/test/cpp/qps/server_async.cc
@@ -124,10 +124,12 @@
         std::bind(&TestService::AsyncService::RequestCollectServerStats,
                   &async_service_, _1, _2, _3, &srv_cq_, _4);
     for (int i = 0; i < 100; i++) {
-      contexts_.push_front(new ServerRpcContextUnaryImpl<SimpleRequest,
-			   SimpleResponse>(request_unary_, UnaryCall));
-      contexts_.push_front(new ServerRpcContextUnaryImpl<StatsRequest,
-			   ServerStats>(request_stats_, CollectServerStats));
+      contexts_.push_front(
+          new ServerRpcContextUnaryImpl<SimpleRequest, SimpleResponse>(
+              request_unary_, UnaryCall));
+      contexts_.push_front(
+          new ServerRpcContextUnaryImpl<StatsRequest, ServerStats>(
+              request_stats_, CollectServerStats));
     }
   }
   ~AsyncQpsServerTest() {
@@ -151,12 +153,12 @@
         void *got_tag;
         while (srv_cq_.Next(&got_tag, &ok)) {
           EXPECT_EQ(ok, true);
-	  ServerRpcContext *ctx = detag(got_tag);
+          ServerRpcContext *ctx = detag(got_tag);
           // The tag is a pointer to an RPC context to invoke
           if ((*ctx)() == false) {
-	    // this RPC context is done, so refresh it
-	    ctx->refresh();
-	  }
+            // this RPC context is done, so refresh it
+            ctx->refresh();
+          }
         }
         return;
       }));
@@ -165,13 +167,14 @@
       std::this_thread::sleep_for(std::chrono::seconds(5));
     }
   }
+
  private:
   class ServerRpcContext {
-  public:
+   public:
     ServerRpcContext() {}
-    virtual ~ServerRpcContext() {};
-    virtual bool operator()() = 0; // do next state, return false if all done
-    virtual void refresh() = 0; // start this back at a clean state
+    virtual ~ServerRpcContext(){};
+    virtual bool operator()() = 0;  // do next state, return false if all done
+    virtual void refresh() = 0;     // start this back at a clean state
   };
   static void *tag(ServerRpcContext *func) {
     return reinterpret_cast<void *>(func);
@@ -192,25 +195,26 @@
         : next_state_(&ServerRpcContextUnaryImpl::invoker),
           request_method_(request_method),
           invoke_method_(invoke_method),
-	  response_writer_(&srv_ctx_) {
+          response_writer_(&srv_ctx_) {
       request_method_(&srv_ctx_, &req_, &response_writer_,
-		      AsyncQpsServerTest::tag(this));
+                      AsyncQpsServerTest::tag(this));
     }
     ~ServerRpcContextUnaryImpl() override {}
-    bool operator()() override {return (this->*next_state_)();}
+    bool operator()() override { return (this->*next_state_)(); }
     void refresh() override {
       srv_ctx_ = ServerContext();
       req_ = RequestType();
       response_writer_ =
-	grpc::ServerAsyncResponseWriter<ResponseType>(&srv_ctx_);
+          grpc::ServerAsyncResponseWriter<ResponseType>(&srv_ctx_);
 
       // Then request the method
       next_state_ = &ServerRpcContextUnaryImpl::invoker;
       request_method_(&srv_ctx_, &req_, &response_writer_,
-		      AsyncQpsServerTest::tag(this));
+                      AsyncQpsServerTest::tag(this));
     }
+
    private:
-    bool finisher() {return false;}
+    bool finisher() { return false; }
     bool invoker() {
       ResponseType response;
 
@@ -219,8 +223,7 @@
 
       // Have the response writer work and invoke on_finish when done
       next_state_ = &ServerRpcContextUnaryImpl::finisher;
-      response_writer_.Finish(response, status,
-			      AsyncQpsServerTest::tag(this));
+      response_writer_.Finish(response, status, AsyncQpsServerTest::tag(this));
       return true;
     }
     ServerContext srv_ctx_;