Prepare QPS tests for running in GCE
Edit build.json to include qps tests and credentials
Perform required MOE edits for running qps tests in VM
Minor changes to underlying source files to support
issues like more restrictive warning flags in cloud.
Change on 2014/12/17 by vpai <vpai@google.com>
-------------
Created by MOE: http://code.google.com/p/moe-java
MOE_MIGRATED_REVID=82349829
diff --git a/test/cpp/qps/client.cc b/test/cpp/qps/client.cc
new file mode 100644
index 0000000..e0f13a8
--- /dev/null
+++ b/test/cpp/qps/client.cc
@@ -0,0 +1,221 @@
+/*
+ *
+ * Copyright 2014, 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.
+ *
+ */
+
+
+#include <cassert>
+#include <memory>
+#include <string>
+#include <thread>
+#include <vector>
+#include <sstream>
+
+#include <grpc/grpc.h>
+#include <grpc/support/histogram.h>
+#include <grpc/support/log.h>
+#include <google/gflags.h>
+#include <grpc++/channel_interface.h>
+#include <grpc++/client_context.h>
+#include <grpc++/create_channel.h>
+#include <grpc++/status.h>
+#include "test/cpp/util/test_ssl_channel.h"
+#include "test/cpp/interop/test.pb.h"
+
+DEFINE_bool(enable_ssl, false, "Whether to use ssl/tls.");
+DEFINE_int32(server_port, 0, "Server port.");
+DEFINE_string(server_host, "127.0.0.1", "Server host.");
+DEFINE_int32(client_threads, 4, "Number of client threads.");
+
+// We have a configurable number of channels for sending RPCs.
+// RPCs are sent round-robin on the available channels by the
+// various threads. Interesting cases are 1 global channel or
+// 1 per-thread channel, but we can support any number.
+// The channels are assigned round-robin on an RPC by RPC basis
+// rather than just at initialization time in order to also measure the
+// impact of cache thrashing caused by channel changes. This is an issue
+// if you are not in one of the above "interesting cases"
+DEFINE_int32(client_channels, 4, "Number of client channels.");
+
+DEFINE_int32(num_rpcs, 1000, "Number of RPCs per thread.");
+DEFINE_int32(payload_size, 1, "Payload size in bytes");
+
+// Alternatively, specify parameters for test as a workload so that multiple
+// tests are initiated back-to-back. This is convenient for keeping a borg
+// allocation consistent. This is a space-separated list of
+// [threads channels num_rpcs payload_size ]*
+DEFINE_string(workload, "", "Workload parameters");
+
+using grpc::ChannelInterface;
+using grpc::CreateChannel;
+using grpc::TestSslChannel;
+using grpc::testing::SimpleRequest;
+using grpc::testing::SimpleResponse;
+using grpc::testing::TestService;
+
+std::shared_ptr<ChannelInterface> CreateTestChannel(
+ const grpc::string& server) {
+ std::shared_ptr<ChannelInterface> channel;
+ if (FLAGS_enable_ssl) {
+ channel.reset(new TestSslChannel(server));
+ } else {
+ channel = CreateChannel(server);
+ }
+ return channel;
+}
+
+static double now() {
+ gpr_timespec tv = gpr_now();
+ return 1e9 * tv.tv_sec + tv.tv_nsec;
+}
+
+void RunTest(const int client_threads, const int client_channels,
+ const int num_rpcs, const int payload_size) {
+ gpr_log(GPR_INFO,
+ "QPS test with parameters\n"
+ "enable_ssl = %d\n"
+ "client_channels = %d\n"
+ "client_threads = %d\n"
+ "num_rpcs = %d\n"
+ "payload_size = %d\n"
+ "server_host:server_port = %s:%d\n\n",
+ FLAGS_enable_ssl, client_channels, client_threads, num_rpcs,
+ payload_size, FLAGS_server_host.c_str(), FLAGS_server_port);
+
+ std::ostringstream oss;
+ oss << FLAGS_server_host << ":" << FLAGS_server_port;
+
+ class ClientChannelInfo {
+ public:
+ explicit ClientChannelInfo(const grpc::string &server)
+ : channel_(CreateTestChannel(server)),
+ stub_(TestService::NewStub(channel_)) {}
+ ChannelInterface *get_channel() { return channel_.get(); }
+ TestService::Stub *get_stub() { return stub_.get(); }
+
+ private:
+ std::shared_ptr<ChannelInterface> channel_;
+ std::unique_ptr<TestService::Stub> stub_;
+ };
+
+ std::vector<ClientChannelInfo> channels;
+ for (int i = 0; i < client_channels; i++) {
+ channels.push_back(ClientChannelInfo(oss.str()));
+ }
+
+ std::vector<std::thread> threads; // Will add threads when ready to execute
+ std::vector<::gpr_histogram *> thread_stats(client_threads);
+
+ 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](int channel_num) {
+ SimpleRequest request;
+ SimpleResponse response;
+ request.set_response_type(grpc::testing::PayloadType::COMPRESSABLE);
+ request.set_response_size(payload_size);
+
+ for (int j = 0; j < num_rpcs; j++) {
+ TestService::Stub *stub = channels[channel_num].get_stub();
+ double start = now();
+ grpc::ClientContext context;
+ grpc::Status s = stub->UnaryCall(&context, request, &response);
+ gpr_histogram_add(hist, now() - start);
+
+ GPR_ASSERT((s.code() == grpc::StatusCode::OK) &&
+ (response.payload().type() ==
+ grpc::testing::PayloadType::COMPRESSABLE) &&
+ (response.payload().body().length() ==
+ static_cast<size_t>(payload_size)));
+
+ // 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);
+ GPR_ASSERT(hist != NULL);
+ for (auto& t : threads) {
+ t.join();
+ }
+ for (int i = 0; i < client_threads; i++) {
+ gpr_histogram *h = thread_stats[i];
+ gpr_log(GPR_INFO, "latency at thread %d (50/95/99/99.9): %f/%f/%f/%f",
+ i,
+ gpr_histogram_percentile(h, 50),
+ gpr_histogram_percentile(h, 95),
+ gpr_histogram_percentile(h, 99),
+ gpr_histogram_percentile(h, 99.9));
+ gpr_histogram_merge(hist, h);
+ gpr_histogram_destroy(h);
+ }
+
+ gpr_log(
+ GPR_INFO,
+ "latency across %d threads with %d channels and %d payload "
+ "(50/95/99/99.9): %f / %f / %f / %f",
+ client_threads, client_channels, payload_size,
+ gpr_histogram_percentile(hist, 50), gpr_histogram_percentile(hist, 95),
+ gpr_histogram_percentile(hist, 99), gpr_histogram_percentile(hist, 99.9));
+ gpr_histogram_destroy(hist);
+}
+
+int main(int argc, char **argv) {
+ grpc_init();
+ google::ParseCommandLineFlags(&argc, &argv, true);
+
+ GPR_ASSERT(FLAGS_server_port);
+
+ if (FLAGS_workload.length() == 0) {
+ RunTest(FLAGS_client_threads, FLAGS_client_channels, FLAGS_num_rpcs,
+ FLAGS_payload_size);
+ } else {
+ std::istringstream workload(FLAGS_workload);
+ int client_threads, client_channels, num_rpcs, payload_size;
+ workload >> client_threads;
+ while (!workload.eof()) {
+ workload >> client_channels >> num_rpcs >> payload_size;
+ RunTest(client_threads, client_channels, num_rpcs, payload_size);
+ workload >> client_threads;
+ }
+ gpr_log(GPR_INFO, "Done with specified workload.");
+ }
+
+ grpc_shutdown();
+ return 0;
+}