144 lines
5.3 KiB
C++
144 lines
5.3 KiB
C++
/*
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* ProfileCommand.actor.cpp
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*
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* This source file is part of the FoundationDB open source project
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*
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* Copyright 2013-2022 Apple Inc. and the FoundationDB project authors
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "boost/lexical_cast.hpp"
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#include "fdbcli/fdbcli.actor.h"
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#include "fdbclient/GlobalConfig.actor.h"
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#include "fdbclient/FDBOptions.g.h"
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#include "fdbclient/IClientApi.h"
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#include "fdbclient/Knobs.h"
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#include "fdbclient/Tuple.h"
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#include "flow/Arena.h"
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#include "flow/FastRef.h"
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#include "flow/ThreadHelper.actor.h"
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#include "flow/actorcompiler.h" // This must be the last #include.
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namespace fdb_cli {
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ACTOR Future<bool> profileCommandActor(Database db,
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Reference<ITransaction> tr,
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std::vector<StringRef> tokens,
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bool intrans) {
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state bool result = true;
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if (tokens.size() == 1) {
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printUsage(tokens[0]);
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result = false;
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} else if (tokencmp(tokens[1], "client")) {
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if (tokens.size() == 2) {
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fprintf(stderr, "ERROR: Usage: profile client <get|set>\n");
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return false;
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}
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wait(db->globalConfig->onInitialized());
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if (tokencmp(tokens[2], "get")) {
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if (tokens.size() != 3) {
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fprintf(stderr, "ERROR: Addtional arguments to `get` are not supported.\n");
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return false;
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}
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std::string sampleRateStr = "default";
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std::string sizeLimitStr = "default";
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const double sampleRateDbl =
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db->globalConfig->get<double>(fdbClientInfoTxnSampleRate, std::numeric_limits<double>::infinity());
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if (!std::isinf(sampleRateDbl)) {
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sampleRateStr = std::to_string(sampleRateDbl);
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}
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const int64_t sizeLimit = db->globalConfig->get<int64_t>(fdbClientInfoTxnSizeLimit, -1);
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if (sizeLimit != -1) {
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sizeLimitStr = boost::lexical_cast<std::string>(sizeLimit);
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}
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printf("Client profiling rate is set to %s and size limit is set to %s.\n",
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sampleRateStr.c_str(),
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sizeLimitStr.c_str());
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} else if (tokencmp(tokens[2], "set")) {
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if (tokens.size() != 5) {
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fprintf(stderr, "ERROR: Usage: profile client set <RATE|default> <SIZE|default>\n");
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return false;
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}
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double sampleRate;
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if (tokencmp(tokens[3], "default")) {
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sampleRate = std::numeric_limits<double>::infinity();
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} else {
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char* end;
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sampleRate = std::strtod((const char*)tokens[3].begin(), &end);
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if (!std::isspace(*end)) {
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fprintf(stderr, "ERROR: %s failed to parse.\n", printable(tokens[3]).c_str());
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return false;
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}
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}
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int64_t sizeLimit;
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if (tokencmp(tokens[4], "default")) {
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sizeLimit = -1;
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} else {
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Optional<uint64_t> parsed = parse_with_suffix(tokens[4].toString());
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if (parsed.present()) {
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sizeLimit = parsed.get();
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} else {
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fprintf(stderr, "ERROR: `%s` failed to parse.\n", printable(tokens[4]).c_str());
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return false;
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}
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}
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Tuple rate = Tuple::makeTuple(sampleRate);
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Tuple size = Tuple::makeTuple(sizeLimit);
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tr->setOption(FDBTransactionOptions::SPECIAL_KEY_SPACE_ENABLE_WRITES);
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tr->set(GlobalConfig::prefixedKey(fdbClientInfoTxnSampleRate), rate.pack());
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tr->set(GlobalConfig::prefixedKey(fdbClientInfoTxnSizeLimit), size.pack());
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if (!intrans) {
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wait(safeThreadFutureToFuture(tr->commit()));
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}
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} else {
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fprintf(stderr, "ERROR: Unknown action: %s\n", printable(tokens[2]).c_str());
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result = false;
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}
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} else if (tokencmp(tokens[1], "list")) {
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if (tokens.size() != 2) {
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fprintf(stderr, "ERROR: Usage: profile list\n");
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return false;
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}
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// Hold the reference to the standalone's memory
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state ThreadFuture<RangeResult> kvsFuture =
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tr->getRange(KeyRangeRef(LiteralStringRef("\xff\xff/worker_interfaces/"),
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LiteralStringRef("\xff\xff/worker_interfaces0")),
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CLIENT_KNOBS->TOO_MANY);
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RangeResult kvs = wait(safeThreadFutureToFuture(kvsFuture));
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ASSERT(!kvs.more);
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for (const auto& pair : kvs) {
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auto ip_port =
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(pair.key.endsWith(LiteralStringRef(":tls")) ? pair.key.removeSuffix(LiteralStringRef(":tls"))
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: pair.key)
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.removePrefix(LiteralStringRef("\xff\xff/worker_interfaces/"));
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printf("%s\n", printable(ip_port).c_str());
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}
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} else {
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fprintf(stderr, "ERROR: Unknown type: %s\n", printable(tokens[1]).c_str());
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result = false;
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}
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return result;
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}
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CommandFactory profileFactory("profile",
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CommandHelp("profile <client|list> <action> <ARGS>",
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"namespace for all the profiling-related commands.",
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"Different types support different actions. Run `profile` to get a list of "
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"types, and iteratively explore the help.\n"));
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} // namespace fdb_cli
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