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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.
+ *
+ */
+
+/* This benchmark exists to ensure that the benchmark integration is
+ * working */
+
+#include <string.h>
+#include <sstream>
+
+#include <grpc++/support/channel_arguments.h>
+#include <grpc/grpc.h>
+#include <grpc/support/alloc.h>
+#include <grpc/support/string_util.h>
+
+extern "C" {
+#include "src/core/ext/client_channel/client_channel.h"
+#include "src/core/ext/load_reporting/load_reporting_filter.h"
+#include "src/core/lib/channel/channel_stack.h"
+#include "src/core/lib/channel/compress_filter.h"
+#include "src/core/lib/channel/connected_channel.h"
+#include "src/core/lib/channel/deadline_filter.h"
+#include "src/core/lib/channel/http_client_filter.h"
+#include "src/core/lib/channel/http_server_filter.h"
+#include "src/core/lib/channel/message_size_filter.h"
+#include "src/core/lib/transport/transport_impl.h"
+}
+
+#include "third_party/benchmark/include/benchmark/benchmark.h"
+
+static struct Init {
+ Init() { grpc_init(); }
+ ~Init() { grpc_shutdown(); }
+} g_init;
+
+static void BM_InsecureChannelWithDefaults(benchmark::State &state) {
+ grpc_channel *channel =
+ grpc_insecure_channel_create("localhost:12345", NULL, NULL);
+ grpc_completion_queue *cq = grpc_completion_queue_create(NULL);
+ grpc_slice method = grpc_slice_from_static_string("/foo/bar");
+ gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+ while (state.KeepRunning()) {
+ grpc_call_destroy(grpc_channel_create_call(channel, NULL,
+ GRPC_PROPAGATE_DEFAULTS, cq,
+ method, NULL, deadline, NULL));
+ }
+ grpc_channel_destroy(channel);
+ grpc_completion_queue_destroy(cq);
+}
+BENCHMARK(BM_InsecureChannelWithDefaults);
+
+static void FilterDestroy(grpc_exec_ctx *exec_ctx, void *arg,
+ grpc_error *error) {
+ gpr_free(arg);
+}
+
+static void DoNothing(grpc_exec_ctx *exec_ctx, void *arg, grpc_error *error) {}
+
+class FakeClientChannelFactory : public grpc_client_channel_factory {
+ public:
+ FakeClientChannelFactory() { vtable = &vtable_; }
+
+ private:
+ static void NoRef(grpc_client_channel_factory *factory) {}
+ static void NoUnref(grpc_exec_ctx *exec_ctx,
+ grpc_client_channel_factory *factory) {}
+ static grpc_subchannel *CreateSubchannel(grpc_exec_ctx *exec_ctx,
+ grpc_client_channel_factory *factory,
+ const grpc_subchannel_args *args) {
+ return nullptr;
+ }
+ static grpc_channel *CreateClientChannel(grpc_exec_ctx *exec_ctx,
+ grpc_client_channel_factory *factory,
+ const char *target,
+ grpc_client_channel_type type,
+ const grpc_channel_args *args) {
+ return nullptr;
+ }
+
+ static const grpc_client_channel_factory_vtable vtable_;
+};
+
+const grpc_client_channel_factory_vtable FakeClientChannelFactory::vtable_ = {
+ NoRef, NoUnref, CreateSubchannel, CreateClientChannel};
+
+static grpc_arg StringArg(const char *key, const char *value) {
+ grpc_arg a;
+ a.type = GRPC_ARG_STRING;
+ a.key = const_cast<char *>(key);
+ a.value.string = const_cast<char *>(value);
+ return a;
+}
+
+enum FixtureFlags : uint32_t {
+ CHECKS_NOT_LAST = 1,
+ REQUIRES_TRANSPORT = 2,
+};
+
+template <const grpc_channel_filter *kFilter, uint32_t kFlags>
+struct Fixture {
+ const grpc_channel_filter *filter = kFilter;
+ const uint32_t flags = kFlags;
+};
+
+namespace dummy_filter {
+
+static void StartTransportStreamOp(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_transport_stream_op *op) {}
+
+static void StartTransportOp(grpc_exec_ctx *exec_ctx,
+ grpc_channel_element *elem,
+ grpc_transport_op *op) {}
+
+static grpc_error *InitCallElem(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ const grpc_call_element_args *args) {
+ return GRPC_ERROR_NONE;
+}
+
+static void SetPollsetOrPollsetSet(grpc_exec_ctx *exec_ctx,
+ grpc_call_element *elem,
+ grpc_polling_entity *pollent) {}
+
+static void DestroyCallElem(grpc_exec_ctx *exec_ctx, grpc_call_element *elem,
+ const grpc_call_final_info *final_info,
+ void *and_free_memory) {}
+
+grpc_error *InitChannelElem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem,
+ grpc_channel_element_args *args) {
+ return GRPC_ERROR_NONE;
+}
+
+void DestroyChannelElem(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem) {}
+
+char *GetPeer(grpc_exec_ctx *exec_ctx, grpc_call_element *elem) {
+ return gpr_strdup("peer");
+}
+
+void GetChannelInfo(grpc_exec_ctx *exec_ctx, grpc_channel_element *elem,
+ const grpc_channel_info *channel_info) {}
+
+static const grpc_channel_filter dummy_filter = {StartTransportStreamOp,
+ StartTransportOp,
+ 0,
+ InitCallElem,
+ SetPollsetOrPollsetSet,
+ DestroyCallElem,
+ 0,
+ InitChannelElem,
+ DestroyChannelElem,
+ GetPeer,
+ GetChannelInfo,
+ "dummy_filter"};
+
+} // namespace dummy_filter
+
+namespace dummy_transport {
+
+/* Memory required for a single stream element - this is allocated by upper
+ layers and initialized by the transport */
+size_t sizeof_stream; /* = sizeof(transport stream) */
+
+/* name of this transport implementation */
+const char *name;
+
+/* implementation of grpc_transport_init_stream */
+int InitStream(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+ grpc_stream *stream, grpc_stream_refcount *refcount,
+ const void *server_data) {
+ return 0;
+}
+
+/* implementation of grpc_transport_set_pollset */
+void SetPollset(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+ grpc_stream *stream, grpc_pollset *pollset) {}
+
+/* implementation of grpc_transport_set_pollset */
+void SetPollsetSet(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+ grpc_stream *stream, grpc_pollset_set *pollset_set) {}
+
+/* implementation of grpc_transport_perform_stream_op */
+void PerformStreamOp(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+ grpc_stream *stream, grpc_transport_stream_op *op) {
+ grpc_closure_sched(exec_ctx, op->on_complete, GRPC_ERROR_NONE);
+}
+
+/* implementation of grpc_transport_perform_op */
+void PerformOp(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+ grpc_transport_op *op) {}
+
+/* implementation of grpc_transport_destroy_stream */
+void DestroyStream(grpc_exec_ctx *exec_ctx, grpc_transport *self,
+ grpc_stream *stream, void *and_free_memory) {}
+
+/* implementation of grpc_transport_destroy */
+void Destroy(grpc_exec_ctx *exec_ctx, grpc_transport *self) {}
+
+/* implementation of grpc_transport_get_peer */
+char *GetPeer(grpc_exec_ctx *exec_ctx, grpc_transport *self) {
+ return gpr_strdup("transport_peer");
+}
+
+/* implementation of grpc_transport_get_endpoint */
+grpc_endpoint *GetEndpoint(grpc_exec_ctx *exec_ctx, grpc_transport *self) {
+ return nullptr;
+}
+
+static const grpc_transport_vtable dummy_transport_vtable = {
+ 0, "dummy_http2", InitStream,
+ SetPollset, SetPollsetSet, PerformStreamOp,
+ PerformOp, DestroyStream, Destroy,
+ GetPeer, GetEndpoint};
+
+static grpc_transport dummy_transport = {&dummy_transport_vtable};
+
+} // namespace dummy_transport
+
+class NoOp {
+ public:
+ class Op {
+ public:
+ Op(grpc_exec_ctx *exec_ctx, NoOp *p, grpc_call_stack *s) {}
+ void Finish(grpc_exec_ctx *exec_ctx) {}
+ };
+};
+
+class SendEmptyMetadata {
+ public:
+ SendEmptyMetadata() {
+ memset(&op_, 0, sizeof(op_));
+ op_.on_complete = grpc_closure_init(&closure_, DoNothing, nullptr,
+ grpc_schedule_on_exec_ctx);
+ }
+
+ class Op {
+ public:
+ Op(grpc_exec_ctx *exec_ctx, SendEmptyMetadata *p, grpc_call_stack *s) {
+ grpc_metadata_batch_init(&batch_);
+ p->op_.send_initial_metadata = &batch_;
+ }
+ void Finish(grpc_exec_ctx *exec_ctx) {
+ grpc_metadata_batch_destroy(exec_ctx, &batch_);
+ }
+
+ private:
+ grpc_metadata_batch batch_;
+ };
+
+ private:
+ const gpr_timespec deadline_ = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+ const gpr_timespec start_time_ = gpr_now(GPR_CLOCK_MONOTONIC);
+ const grpc_slice method_ = grpc_slice_from_static_string("/foo/bar");
+ grpc_transport_stream_op op_;
+ grpc_closure closure_;
+};
+
+// Test a filter in isolation. Fixture specifies the filter under test (use the
+// Fixture<> template to specify this), and TestOp defines some unit of work to
+// perform on said filter.
+template <class Fixture, class TestOp>
+static void BM_IsolatedFilter(benchmark::State &state) {
+ Fixture fixture;
+ std::ostringstream label;
+
+ std::vector<grpc_arg> args;
+ FakeClientChannelFactory fake_client_channel_factory;
+ args.push_back(grpc_client_channel_factory_create_channel_arg(
+ &fake_client_channel_factory));
+ args.push_back(StringArg(GRPC_ARG_SERVER_URI, "localhost"));
+
+ grpc_channel_args channel_args = {args.size(), &args[0]};
+
+ std::vector<const grpc_channel_filter *> filters;
+ if (fixture.filter != nullptr) {
+ filters.push_back(fixture.filter);
+ }
+ if (fixture.flags & CHECKS_NOT_LAST) {
+ filters.push_back(&dummy_filter::dummy_filter);
+ label << " #has_dummy_filter";
+ }
+
+ grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT;
+ size_t channel_size = grpc_channel_stack_size(&filters[0], filters.size());
+ grpc_channel_stack *channel_stack =
+ static_cast<grpc_channel_stack *>(gpr_malloc(channel_size));
+ GPR_ASSERT(GRPC_LOG_IF_ERROR(
+ "call_stack_init",
+ grpc_channel_stack_init(&exec_ctx, 1, FilterDestroy, channel_stack,
+ &filters[0], filters.size(), &channel_args,
+ fixture.flags & REQUIRES_TRANSPORT
+ ? &dummy_transport::dummy_transport
+ : nullptr,
+ "CHANNEL", channel_stack)));
+ grpc_exec_ctx_flush(&exec_ctx);
+ grpc_call_stack *call_stack = static_cast<grpc_call_stack *>(
+ gpr_malloc(channel_stack->call_stack_size));
+ gpr_timespec deadline = gpr_inf_future(GPR_CLOCK_MONOTONIC);
+ gpr_timespec start_time = gpr_now(GPR_CLOCK_MONOTONIC);
+ grpc_slice method = grpc_slice_from_static_string("/foo/bar");
+ grpc_call_final_info final_info;
+ TestOp test_op_data;
+ while (state.KeepRunning()) {
+ GRPC_ERROR_UNREF(grpc_call_stack_init(&exec_ctx, channel_stack, 1,
+ DoNothing, NULL, NULL, NULL, method,
+ start_time, deadline, call_stack));
+ typename TestOp::Op op(&exec_ctx, &test_op_data, call_stack);
+ grpc_call_stack_destroy(&exec_ctx, call_stack, &final_info, NULL);
+ op.Finish(&exec_ctx);
+ grpc_exec_ctx_flush(&exec_ctx);
+ }
+ grpc_channel_stack_destroy(&exec_ctx, channel_stack);
+ grpc_exec_ctx_finish(&exec_ctx);
+ gpr_free(channel_stack);
+ gpr_free(call_stack);
+
+ state.SetLabel(label.str());
+}
+
+typedef Fixture<nullptr, 0> NoFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, NoFilter, NoOp);
+typedef Fixture<&dummy_filter::dummy_filter, 0> DummyFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, DummyFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, DummyFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_client_channel_filter, 0> ClientChannelFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, ClientChannelFilter, NoOp);
+typedef Fixture<&grpc_compress_filter, CHECKS_NOT_LAST> CompressFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, CompressFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, CompressFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_client_deadline_filter, CHECKS_NOT_LAST>
+ ClientDeadlineFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, ClientDeadlineFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, ClientDeadlineFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_server_deadline_filter, CHECKS_NOT_LAST>
+ ServerDeadlineFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, ServerDeadlineFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, ServerDeadlineFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_http_client_filter, CHECKS_NOT_LAST | REQUIRES_TRANSPORT>
+ HttpClientFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpClientFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpClientFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_http_server_filter, CHECKS_NOT_LAST> HttpServerFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpServerFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, HttpServerFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_message_size_filter, CHECKS_NOT_LAST> MessageSizeFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, MessageSizeFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, MessageSizeFilter, SendEmptyMetadata);
+typedef Fixture<&grpc_load_reporting_filter, CHECKS_NOT_LAST>
+ LoadReportingFilter;
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, LoadReportingFilter, NoOp);
+BENCHMARK_TEMPLATE(BM_IsolatedFilter, LoadReportingFilter, SendEmptyMetadata);
+
+BENCHMARK_MAIN();