--- /dev/null
+// -*- mode:C++; tab-width:8; c-basic-offset:2; indent-tabs-mode:t -*-
+// vim: ts=8 sw=2 smarttab
+
+#include <map>
+#include <random>
+#include <boost/program_options.hpp>
+
+#include <seastar/core/app-template.hh>
+#include <seastar/core/do_with.hh>
+#include <seastar/core/future-util.hh>
+#include <seastar/core/reactor.hh>
+#include <seastar/core/sleep.hh>
+#include <seastar/core/semaphore.hh>
+
+#include "common/ceph_time.h"
+#include "messages/MOSDOp.h"
+#include "messages/MOSDOpReply.h"
+
+#include "crimson/common/log.h"
+#include "crimson/net/Connection.h"
+#include "crimson/net/Dispatcher.h"
+#include "crimson/net/Messenger.h"
+
+namespace bpo = boost::program_options;
+
+namespace {
+
+template<typename Message>
+using Ref = boost::intrusive_ptr<Message>;
+
+seastar::logger& logger() {
+ return ceph::get_logger(ceph_subsys_ms);
+}
+
+
+enum class perf_mode_t {
+ both,
+ client,
+ server
+};
+
+static std::random_device rd;
+static std::default_random_engine rng{rd()};
+
+static seastar::future<> run(unsigned rounds,
+ double keepalive_ratio,
+ int bs,
+ int depth,
+ std::string addr,
+ perf_mode_t mode)
+{
+ struct test_state {
+ struct Server final
+ : public ceph::net::Dispatcher,
+ public seastar::peering_sharded_service<Server> {
+ ceph::net::Messenger *msgr = nullptr;
+
+ Dispatcher* get_local_shard() override {
+ return &(container().local());
+ }
+ seastar::future<> stop() {
+ return seastar::make_ready_future<>();
+ }
+ seastar::future<> ms_dispatch(ceph::net::ConnectionRef c,
+ MessageRef m) override {
+ ceph_assert(m->get_type() == CEPH_MSG_OSD_OP);
+ // reply
+ Ref<MOSDOp> req = boost::static_pointer_cast<MOSDOp>(m);
+ req->finish_decode();
+ return c->send(MessageRef{ new MOSDOpReply(req.get(), 0, 0, 0, false), false });
+ }
+
+ seastar::future<> init(const entity_name_t& name,
+ const std::string& lname,
+ const uint64_t nonce,
+ const entity_addr_t& addr) {
+ auto&& fut = ceph::net::Messenger::create(name, lname, nonce, 1);
+ return fut.then([this, addr](ceph::net::Messenger *messenger) {
+ return container().invoke_on_all([messenger](auto& server) {
+ server.msgr = messenger->get_local_shard();
+ server.msgr->set_crc_header();
+ }).then([messenger, addr] {
+ return messenger->bind(entity_addrvec_t{addr});
+ }).then([this, messenger] {
+ return messenger->start(this);
+ });
+ });
+ }
+ seastar::future<> shutdown() {
+ ceph_assert(msgr);
+ return msgr->shutdown();
+ }
+ };
+
+ struct Client final
+ : public ceph::net::Dispatcher,
+ public seastar::peering_sharded_service<Client> {
+
+ struct PingSession : public seastar::enable_shared_from_this<PingSession> {
+ unsigned count = 0u;
+ mono_time connected_time;
+ mono_time finish_time;
+ };
+ using PingSessionRef = seastar::shared_ptr<PingSession>;
+
+ unsigned rounds;
+ std::bernoulli_distribution keepalive_dist;
+ ceph::net::Messenger *msgr = nullptr;
+ std::map<ceph::net::Connection*, seastar::promise<>> pending_conns;
+ std::map<ceph::net::ConnectionRef, PingSessionRef> sessions;
+ int msg_len;
+ bufferlist msg_data;
+ seastar::semaphore depth;
+
+ Client(unsigned rounds, double keepalive_ratio, int msg_len, int depth)
+ : rounds(rounds),
+ keepalive_dist(std::bernoulli_distribution{keepalive_ratio}),
+ depth(depth) {
+ bufferptr ptr(msg_len);
+ memset(ptr.c_str(), 0, msg_len);
+ msg_data.append(ptr);
+ }
+
+ PingSessionRef find_session(ceph::net::ConnectionRef c) {
+ auto found = sessions.find(c);
+ if (found == sessions.end()) {
+ ceph_assert(false);
+ }
+ return found->second;
+ }
+
+ Dispatcher* get_local_shard() override {
+ return &(container().local());
+ }
+ seastar::future<> stop() {
+ return seastar::now();
+ }
+ seastar::future<> ms_handle_connect(ceph::net::ConnectionRef conn) override {
+ logger().info("{}: connected to {}", *conn, conn->get_peer_addr());
+ auto session = seastar::make_shared<PingSession>();
+ auto [i, added] = sessions.emplace(conn, session);
+ std::ignore = i;
+ ceph_assert(added);
+ session->connected_time = mono_clock::now();
+ return seastar::now();
+ }
+ seastar::future<> ms_dispatch(ceph::net::ConnectionRef c,
+ MessageRef m) override {
+ ceph_assert(m->get_type() == CEPH_MSG_OSD_OPREPLY);
+ depth.signal(1);
+ auto session = find_session(c);
+ ++(session->count);
+
+ if (session->count == rounds) {
+ logger().info("{}: finished receiving {} OPREPLYs", *c.get(), session->count);
+ session->finish_time = mono_clock::now();
+ return container().invoke_on_all([conn = c.get()](auto &client) {
+ auto found = client.pending_conns.find(conn);
+ ceph_assert(found != client.pending_conns.end());
+ found->second.set_value();
+ });
+ } else {
+ return seastar::now();
+ }
+ }
+
+ seastar::future<> init(const entity_name_t& name,
+ const std::string& lname,
+ const uint64_t nonce) {
+ return ceph::net::Messenger::create(name, lname, nonce, 2)
+ .then([this](ceph::net::Messenger *messenger) {
+ return container().invoke_on_all([messenger](auto& client) {
+ client.msgr = messenger->get_local_shard();
+ client.msgr->set_crc_header();
+ }).then([this, messenger] {
+ return messenger->start(this);
+ });
+ });
+ }
+
+ seastar::future<> shutdown() {
+ ceph_assert(msgr);
+ return msgr->shutdown();
+ }
+
+ seastar::future<> dispatch_messages(const entity_addr_t& peer_addr, bool foreign_dispatch=true) {
+ mono_time start_time = mono_clock::now();
+ return msgr->connect(peer_addr, entity_name_t::TYPE_OSD)
+ .then([this, foreign_dispatch, start_time](auto conn) {
+ return seastar::futurize_apply([this, conn, foreign_dispatch] {
+ if (foreign_dispatch) {
+ return do_dispatch_messages(&**conn);
+ } else {
+ // NOTE: this could be faster if we don't switch cores in do_dispatch_messages().
+ return container().invoke_on(conn->get()->shard_id(), [conn = &**conn](auto &client) {
+ return client.do_dispatch_messages(conn);
+ });
+ }
+ }).finally([this, conn, start_time] {
+ return container().invoke_on(conn->get()->shard_id(), [conn, start_time](auto &client) {
+ auto session = client.find_session((*conn)->shared_from_this());
+ std::chrono::duration<double> dur_handshake = session->connected_time - start_time;
+ std::chrono::duration<double> dur_messaging = session->finish_time - session->connected_time;
+ logger().info("{}: handshake {}, messaging {}",
+ **conn, dur_handshake.count(), dur_messaging.count());
+ });
+ });
+ });
+ }
+
+ private:
+ seastar::future<> send_msg(ceph::net::Connection* conn) {
+ return depth.wait(1).then([this, conn] {
+ const static pg_t pgid;
+ const static object_locator_t oloc;
+ const static hobject_t hobj(object_t(), oloc.key, CEPH_NOSNAP, pgid.ps(),
+ pgid.pool(), oloc.nspace);
+ static spg_t spgid(pgid);
+ MOSDOp *m = new MOSDOp(0, 0, hobj, spgid, 0, 0, 0);
+ bufferlist data(msg_data);
+ m->write(0, msg_len, data);
+ MessageRef msg = {m, false};
+ return conn->send(msg);
+ });
+ }
+
+ seastar::future<> do_dispatch_messages(ceph::net::Connection* conn) {
+ return container().invoke_on_all([conn](auto& client) {
+ auto [i, added] = client.pending_conns.emplace(conn, seastar::promise<>());
+ std::ignore = i;
+ ceph_assert(added);
+ }).then([this, conn] {
+ return seastar::do_with(0u, 0u,
+ [this, conn](auto &count_ping, auto &count_keepalive) {
+ return seastar::do_until(
+ [this, conn, &count_ping, &count_keepalive] {
+ bool stop = (count_ping == rounds);
+ if (stop) {
+ logger().info("{}: finished sending {} OSDOPs with {} keepalives",
+ *conn, count_ping, count_keepalive);
+ }
+ return stop;
+ },
+ [this, conn, &count_ping, &count_keepalive] {
+ return seastar::repeat([this, conn, &count_ping, &count_keepalive] {
+ if (keepalive_dist(rng)) {
+ return conn->keepalive()
+ .then([&count_keepalive] {
+ count_keepalive += 1;
+ return seastar::make_ready_future<seastar::stop_iteration>(
+ seastar::stop_iteration::no);
+ });
+ } else {
+ return send_msg(conn)
+ .then([&count_ping] {
+ count_ping += 1;
+ return seastar::make_ready_future<seastar::stop_iteration>(
+ seastar::stop_iteration::yes);
+ });
+ }
+ });
+ }).then([this, conn] {
+ auto found = pending_conns.find(conn);
+ return found->second.get_future();
+ });
+ });
+ });
+ }
+ };
+ };
+
+ return seastar::when_all_succeed(
+ ceph::net::create_sharded<test_state::Server>(),
+ ceph::net::create_sharded<test_state::Client>(rounds, keepalive_ratio, bs, depth))
+ .then([rounds, keepalive_ratio, addr, mode](test_state::Server *server,
+ test_state::Client *client) {
+ entity_addr_t target_addr;
+ target_addr.parse(addr.c_str(), nullptr);
+ target_addr.set_type(entity_addr_t::TYPE_LEGACY);
+ if (mode == perf_mode_t::both) {
+ return seastar::when_all_succeed(
+ server->init(entity_name_t::OSD(0), "server", 0, target_addr),
+ client->init(entity_name_t::OSD(1), "client", 0))
+ // dispatch pingpoing
+ .then([client, target_addr] {
+ return client->dispatch_messages(target_addr, false);
+ // shutdown
+ }).finally([client] {
+ logger().info("client shutdown...");
+ return client->shutdown();
+ }).finally([server] {
+ logger().info("server shutdown...");
+ return server->shutdown();
+ });
+ } else if (mode == perf_mode_t::client) {
+ return client->init(entity_name_t::OSD(1), "client", 0)
+ // dispatch pingpoing
+ .then([client, target_addr] {
+ return client->dispatch_messages(target_addr, false);
+ // shutdown
+ }).finally([client] {
+ logger().info("client shutdown...");
+ return client->shutdown();
+ });
+ } else { // mode == perf_mode_t::server
+ return server->init(entity_name_t::OSD(0), "server", 0, target_addr)
+ // dispatch pingpoing
+ .then([server] {
+ return server->msgr->wait();
+ // shutdown
+ }).finally([server] {
+ logger().info("server shutdown...");
+ return server->shutdown();
+ });
+ }
+ });
+}
+
+}
+
+int main(int argc, char** argv)
+{
+ seastar::app_template app;
+ app.add_options()
+ ("addr", bpo::value<std::string>()->default_value("0.0.0.0:9010"),
+ "start server")
+ ("mode", bpo::value<int>()->default_value(0),
+ "0: both, 1:client, 2:server")
+ ("rounds", bpo::value<unsigned>()->default_value(65536),
+ "number of messaging rounds")
+ ("keepalive-ratio", bpo::value<double>()->default_value(0),
+ "ratio of keepalive in ping messages")
+ ("bs", bpo::value<int>()->default_value(4096),
+ "block size")
+ ("depth", bpo::value<int>()->default_value(512),
+ "io depth");
+ return app.run(argc, argv, [&app] {
+ auto&& config = app.configuration();
+ auto rounds = config["rounds"].as<unsigned>();
+ auto keepalive_ratio = config["keepalive-ratio"].as<double>();
+ auto bs = config["bs"].as<int>();
+ auto depth = config["depth"].as<int>();
+ auto addr = config["addr"].as<std::string>();
+ auto mode = config["mode"].as<int>();
+ logger().info("\nsettings:\n addr={}\n mode={}\n rounds={}\n keepalive-ratio={}\n bs={}\n depth={}",
+ addr, mode, rounds, keepalive_ratio, bs, depth);
+ ceph_assert(mode >= 0 && mode <= 2);
+ auto _mode = static_cast<perf_mode_t>(mode);
+ return run(rounds, keepalive_ratio, bs, depth, addr, _mode)
+ .then([] {
+ std::cout << "successful" << std::endl;
+ }).handle_exception([] (auto eptr) {
+ std::cout << "failed" << std::endl;
+ return seastar::make_exception_future<>(eptr);
+ });
+ });
+}
projects / ceph.git / commitdiff