diff options
Diffstat (limited to 'test/cpp/qps/driver.cc')
-rw-r--r-- | test/cpp/qps/driver.cc | 154 |
1 files changed, 52 insertions, 102 deletions
diff --git a/test/cpp/qps/driver.cc b/test/cpp/qps/driver.cc index ea0b38e8ad..74fe3662c1 100644 --- a/test/cpp/qps/driver.cc +++ b/test/cpp/qps/driver.cc @@ -44,6 +44,7 @@ #include <grpc/support/alloc.h> #include <grpc/support/host_port.h> #include <grpc/support/log.h> +#include <grpc/support/string_util.h> #include "src/core/lib/profiling/timers.h" #include "src/core/lib/support/env.h" @@ -75,47 +76,36 @@ static std::string get_host(const std::string& worker) { return s; } -static std::unordered_map<string, std::deque<int>> get_hosts_and_cores( - const deque<string>& workers) { - std::unordered_map<string, std::deque<int>> hosts; - for (auto it = workers.begin(); it != workers.end(); it++) { - const string host = get_host(*it); - if (hosts.find(host) == hosts.end()) { - auto stub = WorkerService::NewStub( - CreateChannel(*it, InsecureChannelCredentials())); - grpc::ClientContext ctx; - ctx.set_wait_for_ready(true); - CoreRequest dummy; - CoreResponse cores; - grpc::Status s = stub->CoreCount(&ctx, dummy, &cores); - GPR_ASSERT(s.ok()); - std::deque<int> dq; - for (int i = 0; i < cores.cores(); i++) { - dq.push_back(i); - } - hosts[host] = dq; - } +static deque<string> get_workers(const string& env_name) { + char* env = gpr_getenv(env_name.c_str()); + if (!env) { + env = gpr_strdup(""); } - return hosts; -} - -static deque<string> get_workers(const string& name) { - char* env = gpr_getenv(name.c_str()); - if (!env) return deque<string>(); - deque<string> out; char* p = env; - for (;;) { - char* comma = strchr(p, ','); - if (comma) { - out.emplace_back(p, comma); - p = comma + 1; - } else { - out.emplace_back(p); - gpr_free(env); - return out; + if (strlen(env) != 0) { + for (;;) { + char* comma = strchr(p, ','); + if (comma) { + out.emplace_back(p, comma); + p = comma + 1; + } else { + out.emplace_back(p); + break; + } } } + if (out.size() == 0) { + gpr_log(GPR_ERROR, + "Environment variable \"%s\" does not contain a list of QPS " + "workers to use. Set it to a comma-separated list of " + "hostname:port pairs, starting with hosts that should act as " + "servers. E.g. export " + "%s=\"serverhost1:1234,clienthost1:1234,clienthost2:1234\"", + env_name.c_str(), env_name.c_str()); + } + gpr_free(env); + return out; } // helpers for postprocess_scenario_result @@ -195,7 +185,8 @@ static void postprocess_scenario_result(ScenarioResult* result) { std::unique_ptr<ScenarioResult> RunScenario( const ClientConfig& initial_client_config, size_t num_clients, const ServerConfig& initial_server_config, size_t num_servers, - int warmup_seconds, int benchmark_seconds, int spawn_local_worker_count) { + int warmup_seconds, int benchmark_seconds, int spawn_local_worker_count, + const char* qps_server_target_override) { // Log everything from the driver gpr_set_log_verbosity(GPR_LOG_SEVERITY_DEBUG); @@ -240,9 +231,7 @@ std::unique_ptr<ScenarioResult> RunScenario( workers.push_back(addr); } } - - // Setup the hosts and core counts - auto hosts_cores = get_hosts_and_cores(workers); + GPR_ASSERT(workers.size() != 0); // if num_clients is set to <=0, do dynamic sizing: all workers // except for servers are clients @@ -264,6 +253,8 @@ std::unique_ptr<ScenarioResult> RunScenario( unique_ptr<ClientReaderWriter<ServerArgs, ServerStatus>> stream; }; std::vector<ServerData> servers(num_servers); + std::unordered_map<string, std::deque<int>> hosts_cores; + for (size_t i = 0; i < num_servers; i++) { gpr_log(GPR_INFO, "Starting server on %s (worker #%" PRIuPTR ")", workers[i].c_str(), i); @@ -271,38 +262,9 @@ std::unique_ptr<ScenarioResult> RunScenario( CreateChannel(workers[i], InsecureChannelCredentials())); ServerConfig server_config = initial_server_config; - char* host; - char* driver_port; - char* cli_target; - gpr_split_host_port(workers[i].c_str(), &host, &driver_port); - string host_str(host); - int server_core_limit = initial_server_config.core_limit(); - int client_core_limit = initial_client_config.core_limit(); - - if (server_core_limit == 0 && client_core_limit > 0) { - // In this case, limit the server cores if it matches the - // same host as one or more clients - const auto& dq = hosts_cores.at(host_str); - bool match = false; - int limit = dq.size(); - for (size_t cli = 0; cli < num_clients; cli++) { - if (host_str == get_host(workers[cli + num_servers])) { - limit -= client_core_limit; - match = true; - } - } - if (match) { - GPR_ASSERT(limit > 0); - server_core_limit = limit; - } - } - if (server_core_limit > 0) { - auto& dq = hosts_cores.at(host_str); - GPR_ASSERT(dq.size() >= static_cast<size_t>(server_core_limit)); - for (int core = 0; core < server_core_limit; core++) { - server_config.add_core_list(dq.front()); - dq.pop_front(); - } + if (server_config.core_limit() != 0) { + gpr_log(GPR_ERROR, + "server config core limit is set but ignored by driver"); } ServerArgs args; @@ -315,11 +277,19 @@ std::unique_ptr<ScenarioResult> RunScenario( if (!servers[i].stream->Read(&init_status)) { gpr_log(GPR_ERROR, "Server %zu did not yield initial status", i); } - gpr_join_host_port(&cli_target, host, init_status.port()); - client_config.add_server_targets(cli_target); - gpr_free(host); - gpr_free(driver_port); - gpr_free(cli_target); + if (qps_server_target_override != NULL && + strlen(qps_server_target_override) > 0) { + // overriding the qps server target only works if there is 1 server + GPR_ASSERT(num_servers == 1); + client_config.add_server_targets(qps_server_target_override); + } else { + std::string host; + char* cli_target; + host = get_host(workers[i]); + gpr_join_host_port(&cli_target, host.c_str(), init_status.port()); + client_config.add_server_targets(cli_target); + gpr_free(cli_target); + } } // Targets are all set by now @@ -339,31 +309,8 @@ std::unique_ptr<ScenarioResult> RunScenario( CreateChannel(worker, InsecureChannelCredentials())); ClientConfig per_client_config = client_config; - int server_core_limit = initial_server_config.core_limit(); - int client_core_limit = initial_client_config.core_limit(); - if ((server_core_limit > 0) || (client_core_limit > 0)) { - auto& dq = hosts_cores.at(get_host(worker)); - if (client_core_limit == 0) { - // limit client cores if it matches a server host - bool match = false; - int limit = dq.size(); - for (size_t srv = 0; srv < num_servers; srv++) { - if (get_host(worker) == get_host(workers[srv])) { - match = true; - } - } - if (match) { - GPR_ASSERT(limit > 0); - client_core_limit = limit; - } - } - if (client_core_limit > 0) { - GPR_ASSERT(dq.size() >= static_cast<size_t>(client_core_limit)); - for (int core = 0; core < client_core_limit; core++) { - per_client_config.add_core_list(dq.front()); - dq.pop_front(); - } - } + if (initial_client_config.core_limit() != 0) { + gpr_log(GPR_ERROR, "client config core limit set but ignored"); } // Reduce channel count so that total channels specified is held regardless @@ -548,6 +495,9 @@ bool RunQuit() { // Get client, server lists bool result = true; auto workers = get_workers("QPS_WORKERS"); + if (workers.size() == 0) { + return false; + } for (size_t i = 0; i < workers.size(); i++) { auto stub = WorkerService::NewStub( CreateChannel(workers[i], InsecureChannelCredentials())); |