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Diffstat (limited to 'test/cpp/microbenchmarks/bm_fullstack_trickle.cc')
| -rw-r--r-- | test/cpp/microbenchmarks/bm_fullstack_trickle.cc | 219 |
1 files changed, 219 insertions, 0 deletions
diff --git a/test/cpp/microbenchmarks/bm_fullstack_trickle.cc b/test/cpp/microbenchmarks/bm_fullstack_trickle.cc new file mode 100644 index 0000000000..5011f06368 --- /dev/null +++ b/test/cpp/microbenchmarks/bm_fullstack_trickle.cc @@ -0,0 +1,219 @@ +/* + * + * Copyright 2016, 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. + * + */ + +/* Benchmark gRPC end2end in various configurations */ + +#include "src/core/lib/profiling/timers.h" +#include "src/cpp/client/create_channel_internal.h" +#include "src/proto/grpc/testing/echo.grpc.pb.h" +#include "test/cpp/microbenchmarks/fullstack_context_mutators.h" +#include "test/cpp/microbenchmarks/fullstack_fixtures.h" +#include "third_party/benchmark/include/benchmark/benchmark.h" +extern "C" { +#include "src/core/ext/transport/chttp2/transport/chttp2_transport.h" +#include "src/core/ext/transport/chttp2/transport/internal.h" +#include "test/core/util/trickle_endpoint.h" +} + +namespace grpc { +namespace testing { + +static void* tag(intptr_t x) { return reinterpret_cast<void*>(x); } + +class TrickledCHTTP2 : public EndpointPairFixture { + public: + TrickledCHTTP2(Service* service, size_t megabits_per_second) + : EndpointPairFixture(service, MakeEndpoints(megabits_per_second)) {} + + void AddToLabel(std::ostream& out, benchmark::State& state) { + out << " writes/iter:" + << ((double)stats_.num_writes / (double)state.iterations()) + << " cli_transport_stalls/iter:" + << ((double) + client_stats_.streams_stalled_due_to_transport_flow_control / + (double)state.iterations()) + << " cli_stream_stalls/iter:" + << ((double)client_stats_.streams_stalled_due_to_stream_flow_control / + (double)state.iterations()) + << " svr_transport_stalls/iter:" + << ((double) + server_stats_.streams_stalled_due_to_transport_flow_control / + (double)state.iterations()) + << " svr_stream_stalls/iter:" + << ((double)server_stats_.streams_stalled_due_to_stream_flow_control / + (double)state.iterations()); + } + + void Step() { + grpc_exec_ctx exec_ctx = GRPC_EXEC_CTX_INIT; + size_t client_backlog = + grpc_trickle_endpoint_trickle(&exec_ctx, endpoint_pair_.client); + size_t server_backlog = + grpc_trickle_endpoint_trickle(&exec_ctx, endpoint_pair_.server); + grpc_exec_ctx_finish(&exec_ctx); + + UpdateStats((grpc_chttp2_transport*)client_transport_, &client_stats_, + client_backlog); + UpdateStats((grpc_chttp2_transport*)server_transport_, &server_stats_, + server_backlog); + } + + private: + grpc_passthru_endpoint_stats stats_; + struct Stats { + int streams_stalled_due_to_stream_flow_control = 0; + int streams_stalled_due_to_transport_flow_control = 0; + }; + Stats client_stats_; + Stats server_stats_; + + grpc_endpoint_pair MakeEndpoints(size_t kilobits) { + grpc_endpoint_pair p; + grpc_passthru_endpoint_create(&p.client, &p.server, Library::get().rq(), + &stats_); + double bytes_per_second = 125.0 * kilobits; + p.client = grpc_trickle_endpoint_create(p.client, bytes_per_second); + p.server = grpc_trickle_endpoint_create(p.server, bytes_per_second); + return p; + } + + void UpdateStats(grpc_chttp2_transport* t, Stats* s, size_t backlog) { + if (backlog == 0) { + if (t->lists[GRPC_CHTTP2_LIST_STALLED_BY_STREAM].head != NULL) { + s->streams_stalled_due_to_stream_flow_control++; + } + if (t->lists[GRPC_CHTTP2_LIST_STALLED_BY_TRANSPORT].head != NULL) { + s->streams_stalled_due_to_transport_flow_control++; + } + } + } +}; + +// force library initialization +auto& force_library_initialization = Library::get(); + +static void TrickleCQNext(TrickledCHTTP2* fixture, void** t, bool* ok) { + while (true) { + switch (fixture->cq()->AsyncNext( + t, ok, gpr_time_add(gpr_now(GPR_CLOCK_MONOTONIC), + gpr_time_from_micros(100, GPR_TIMESPAN)))) { + case CompletionQueue::TIMEOUT: + fixture->Step(); + break; + case CompletionQueue::SHUTDOWN: + GPR_ASSERT(false); + break; + case CompletionQueue::GOT_EVENT: + return; + } + } +} + +static void BM_PumpStreamServerToClient_Trickle(benchmark::State& state) { + EchoTestService::AsyncService service; + std::unique_ptr<TrickledCHTTP2> fixture( + new TrickledCHTTP2(&service, state.range(1))); + { + EchoResponse send_response; + EchoResponse recv_response; + if (state.range(0) > 0) { + send_response.set_message(std::string(state.range(0), 'a')); + } + Status recv_status; + ServerContext svr_ctx; + ServerAsyncReaderWriter<EchoResponse, EchoRequest> response_rw(&svr_ctx); + service.RequestBidiStream(&svr_ctx, &response_rw, fixture->cq(), + fixture->cq(), tag(0)); + std::unique_ptr<EchoTestService::Stub> stub( + EchoTestService::NewStub(fixture->channel())); + ClientContext cli_ctx; + auto request_rw = stub->AsyncBidiStream(&cli_ctx, fixture->cq(), tag(1)); + int need_tags = (1 << 0) | (1 << 1); + void* t; + bool ok; + while (need_tags) { + TrickleCQNext(fixture.get(), &t, &ok); + GPR_ASSERT(ok); + int i = (int)(intptr_t)t; + GPR_ASSERT(need_tags & (1 << i)); + need_tags &= ~(1 << i); + } + request_rw->Read(&recv_response, tag(0)); + while (state.KeepRunning()) { + GPR_TIMER_SCOPE("BenchmarkCycle", 0); + response_rw.Write(send_response, tag(1)); + while (true) { + TrickleCQNext(fixture.get(), &t, &ok); + if (t == tag(0)) { + request_rw->Read(&recv_response, tag(0)); + } else if (t == tag(1)) { + break; + } else { + GPR_ASSERT(false); + } + } + } + response_rw.Finish(Status::OK, tag(1)); + need_tags = (1 << 0) | (1 << 1); + while (need_tags) { + TrickleCQNext(fixture.get(), &t, &ok); + int i = (int)(intptr_t)t; + GPR_ASSERT(need_tags & (1 << i)); + need_tags &= ~(1 << i); + } + } + fixture->Finish(state); + fixture.reset(); + state.SetBytesProcessed(state.range(0) * state.iterations()); +} + +/******************************************************************************* + * CONFIGURATIONS + */ + +static void TrickleArgs(benchmark::internal::Benchmark* b) { + for (int i = 1; i <= 128 * 1024 * 1024; i *= 8) { + for (int j = 1; j <= 128 * 1024 * 1024; j *= 8) { + double expected_time = + static_cast<double>(14 + i) / (125.0 * static_cast<double>(j)); + if (expected_time > 0.01) continue; + b->Args({i, j}); + } + } +} + +BENCHMARK(BM_PumpStreamServerToClient_Trickle)->Apply(TrickleArgs); +} +} + +BENCHMARK_MAIN(); |