Merge github.com:grpc/grpc into cpp_bazelness

1 files changed, 91 insertions, 0 deletions

diff --git a/test/cpp/microbenchmarks/helpers.h b/test/cpp/microbenchmarks/helpers.h
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+++ b/test/cpp/microbenchmarks/helpers.h
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+/*
+ *
+ * Copyright 2017, Google Inc.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are
+ * met:
+ *
+ *     * Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *     * Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following disclaimer
+ * in the documentation and/or other materials provided with the
+ * distribution.
+ *     * Neither the name of Google Inc. nor the names of its
+ * contributors may be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ */
+
+#ifndef TEST_CPP_MICROBENCHMARKS_COUNTERS_H
+#define TEST_CPP_MICROBENCHMARKS_COUNTERS_H
+
+#include <sstream>
+
+extern "C" {
+#include <grpc/support/port_platform.h>
+#include "test/core/util/memory_counters.h"
+}
+
+#include <benchmark/benchmark.h>
+#include <grpc++/impl/grpc_library.h>
+
+class Library {
+ public:
+  static Library& get() {
+    static Library lib;
+    return lib;
+  }
+
+  grpc_resource_quota* rq() { return rq_; }
+
+ private:
+  Library() {
+    grpc_memory_counters_init();
+    init_lib_.init();
+    rq_ = grpc_resource_quota_create("bm");
+  }
+
+  ~Library() { init_lib_.shutdown(); }
+
+  grpc::internal::GrpcLibrary init_lib_;
+  grpc_resource_quota* rq_;
+};
+
+#ifdef GPR_LOW_LEVEL_COUNTERS
+extern "C" gpr_atm gpr_mu_locks;
+extern "C" gpr_atm gpr_counter_atm_cas;
+extern "C" gpr_atm gpr_counter_atm_add;
+#endif
+
+class TrackCounters {
+ public:
+  virtual void Finish(benchmark::State& state);
+  virtual void AddToLabel(std::ostream& out, benchmark::State& state);
+
+ private:
+#ifdef GPR_LOW_LEVEL_COUNTERS
+  const size_t mu_locks_at_start_ = gpr_atm_no_barrier_load(&gpr_mu_locks);
+  const size_t atm_cas_at_start_ =
+      gpr_atm_no_barrier_load(&gpr_counter_atm_cas);
+  const size_t atm_add_at_start_ =
+      gpr_atm_no_barrier_load(&gpr_counter_atm_add);
+#endif
+  grpc_memory_counters counters_at_start_ = grpc_memory_counters_snapshot();
+};
+
+#endif