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//
//
// Copyright 2015 gRPC authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
//
#include <stdio.h>
#include <string.h>
#include <algorithm>
#include <iterator>
#include <map>
#include <string>
#include <utility>
#include <vector>
#include "absl/algorithm/container.h"
#include "absl/flags/flag.h"
#include "absl/flags/parse.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/str_split.h"
#include "absl/strings/string_view.h"
#include <grpc/support/log.h>
#include <grpc/support/time.h>
#include "src/core/lib/config/config_vars.h"
#include "src/core/lib/gpr/subprocess.h"
#include "src/core/lib/gprpp/host_port.h"
#include "test/core/util/port.h"
#include "test/core/util/test_config.h"
ABSL_FLAG(std::string, benchmark_names, "call,channel",
"Which benchmark to run"); // Default all benchmarks in order to
// trigger CI testing for each one
ABSL_FLAG(int, size, 1000, "Number of channels/calls");
ABSL_FLAG(std::string, scenario_config, "insecure",
"Possible Values: minstack (Use minimal stack), resource_quota, "
"secure (Use SSL credentials on server)");
ABSL_FLAG(bool, memory_profiling, false,
"Run memory profiling"); // TODO (chennancy) Connect this flag
class Subprocess {
public:
explicit Subprocess(std::vector<std::string> args) {
std::vector<const char*> args_c;
args_c.reserve(args.size());
for (const auto& arg : args) {
args_c.push_back(arg.c_str());
}
process_ = gpr_subprocess_create(args_c.size(), args_c.data());
}
int GetPID() { return gpr_subprocess_get_process_id(process_); }
int Join() { return gpr_subprocess_join(process_); }
void Interrupt() { gpr_subprocess_interrupt(process_); }
~Subprocess() { gpr_subprocess_destroy(process_); }
private:
gpr_subprocess* process_;
};
// per-call memory usage benchmark
int RunCallBenchmark(char* root, std::vector<std::string> server_scenario_flags,
std::vector<std::string> client_scenario_flags) {
int status;
int port = grpc_pick_unused_port_or_die();
// start the server
std::vector<std::string> server_flags = {
absl::StrCat(root, "/memory_usage_server",
gpr_subprocess_binary_extension()),
"--grpc_experiments",
std::string(grpc_core::ConfigVars::Get().Experiments()), "--bind",
grpc_core::JoinHostPort("::", port)};
// Add scenario-specific server flags to the end of the server_flags
absl::c_move(server_scenario_flags, std::back_inserter(server_flags));
Subprocess svr(server_flags);
// start the client
std::vector<std::string> client_flags = {
absl::StrCat(root, "/memory_usage_client",
gpr_subprocess_binary_extension()),
"--target",
grpc_core::JoinHostPort("localhost", port),
"--grpc_experiments",
std::string(grpc_core::ConfigVars::Get().Experiments()),
absl::StrCat("--warmup=", 10000),
absl::StrCat("--benchmark=", absl::GetFlag(FLAGS_size))};
// Add scenario-specific client flags to the end of the client_flags
absl::c_move(client_scenario_flags, std::back_inserter(client_flags));
Subprocess cli(client_flags);
// wait for completion
if ((status = cli.Join()) != 0) {
printf("client failed with: %d", status);
return 1;
}
svr.Interrupt();
return svr.Join() == 0 ? 0 : 2;
}
// Per-channel benchmark
int RunChannelBenchmark(char* root) {
// TODO(chennancy) Add the scenario specific flags
int status;
int port = grpc_pick_unused_port_or_die();
// start the server
std::vector<std::string> server_flags = {
absl::StrCat(root, "/memory_usage_callback_server",
gpr_subprocess_binary_extension()),
"--bind", grpc_core::JoinHostPort("::", port)};
Subprocess svr(server_flags);
// Wait one second before starting client to avoid possible race condition
// of client sending an RPC before the server is set up
gpr_sleep_until(grpc_timeout_seconds_to_deadline(1));
// start the client
std::vector<std::string> client_flags = {
absl::StrCat(root, "/memory_usage_callback_client",
gpr_subprocess_binary_extension()),
"--target",
grpc_core::JoinHostPort("localhost", port),
"--nosecure",
absl::StrCat("--server_pid=", svr.GetPID()),
absl::StrCat("--size=", absl::GetFlag(FLAGS_size))};
Subprocess cli(client_flags);
// wait for completion
if ((status = cli.Join()) != 0) {
printf("client failed with: %d", status);
return 1;
}
svr.Interrupt();
return svr.Join() == 0 ? 0 : 2;
}
int RunBenchmark(char* root, absl::string_view benchmark,
std::vector<std::string> server_scenario_flags,
std::vector<std::string> client_scenario_flags) {
if (benchmark == "call") {
return RunCallBenchmark(root, server_scenario_flags, client_scenario_flags);
} else if (benchmark == "channel") {
return RunChannelBenchmark(root);
} else {
gpr_log(GPR_INFO, "Not a valid benchmark name");
return 4;
}
}
int main(int argc, char** argv) {
absl::ParseCommandLine(argc, argv);
char* me = argv[0];
char* lslash = strrchr(me, '/');
char root[1024];
std::vector<const char*> args;
// figure out where we are
if (lslash) {
memcpy(root, me, static_cast<size_t>(lslash - me));
root[lslash - me] = 0;
} else {
strcpy(root, ".");
}
// Set configurations based off scenario_config
struct ScenarioArgs {
std::vector<std::string> client;
std::vector<std::string> server;
};
// TODO(chennancy): add in resource quota parameter setting later
const std::map<std::string /*scenario*/, ScenarioArgs> scenarios = {
{"secure", {/*client=*/{}, /*server=*/{"--secure"}}},
{"resource_quota", {/*client=*/{}, /*server=*/{"--secure"}}},
{"minstack", {/*client=*/{"--minstack"}, /*server=*/{"--minstack"}}},
{"insecure", {{}, {}}},
};
auto it_scenario = scenarios.find(absl::GetFlag(FLAGS_scenario_config));
if (it_scenario == scenarios.end()) {
printf("No scenario matching the name could be found\n");
return 3;
}
// Run all benchmarks listed (Multiple benchmarks usually only for default
// scenario)
auto benchmarks = absl::StrSplit(absl::GetFlag(FLAGS_benchmark_names), ',');
for (const auto& benchmark : benchmarks) {
int r = RunBenchmark(root, benchmark, it_scenario->second.server,
it_scenario->second.client);
if (r != 0) return r;
}
return 0;
}
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