foundationdb/fdbcli/ProfileCommand.actor.cpp

144 lines
5.3 KiB
C++

/*
* ProfileCommand.actor.cpp
*
* This source file is part of the FoundationDB open source project
*
* Copyright 2013-2022 Apple Inc. and the FoundationDB project 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 "boost/lexical_cast.hpp"
#include "fdbcli/fdbcli.actor.h"
#include "fdbclient/GlobalConfig.actor.h"
#include "fdbclient/FDBOptions.g.h"
#include "fdbclient/IClientApi.h"
#include "fdbclient/Knobs.h"
#include "fdbclient/Tuple.h"
#include "flow/Arena.h"
#include "flow/FastRef.h"
#include "flow/ThreadHelper.actor.h"
#include "flow/actorcompiler.h" // This must be the last #include.
namespace fdb_cli {
ACTOR Future<bool> profileCommandActor(Database db,
Reference<ITransaction> tr,
std::vector<StringRef> tokens,
bool intrans) {
state bool result = true;
if (tokens.size() == 1) {
printUsage(tokens[0]);
result = false;
} else if (tokencmp(tokens[1], "client")) {
if (tokens.size() == 2) {
fprintf(stderr, "ERROR: Usage: profile client <get|set>\n");
return false;
}
wait(db->globalConfig->onInitialized());
if (tokencmp(tokens[2], "get")) {
if (tokens.size() != 3) {
fprintf(stderr, "ERROR: Addtional arguments to `get` are not supported.\n");
return false;
}
std::string sampleRateStr = "default";
std::string sizeLimitStr = "default";
const double sampleRateDbl =
db->globalConfig->get<double>(fdbClientInfoTxnSampleRate, std::numeric_limits<double>::infinity());
if (!std::isinf(sampleRateDbl)) {
sampleRateStr = std::to_string(sampleRateDbl);
}
const int64_t sizeLimit = db->globalConfig->get<int64_t>(fdbClientInfoTxnSizeLimit, -1);
if (sizeLimit != -1) {
sizeLimitStr = boost::lexical_cast<std::string>(sizeLimit);
}
printf("Client profiling rate is set to %s and size limit is set to %s.\n",
sampleRateStr.c_str(),
sizeLimitStr.c_str());
} else if (tokencmp(tokens[2], "set")) {
if (tokens.size() != 5) {
fprintf(stderr, "ERROR: Usage: profile client set <RATE|default> <SIZE|default>\n");
return false;
}
double sampleRate;
if (tokencmp(tokens[3], "default")) {
sampleRate = std::numeric_limits<double>::infinity();
} else {
char* end;
sampleRate = std::strtod((const char*)tokens[3].begin(), &end);
if (!std::isspace(*end)) {
fprintf(stderr, "ERROR: %s failed to parse.\n", printable(tokens[3]).c_str());
return false;
}
}
int64_t sizeLimit;
if (tokencmp(tokens[4], "default")) {
sizeLimit = -1;
} else {
Optional<uint64_t> parsed = parse_with_suffix(tokens[4].toString());
if (parsed.present()) {
sizeLimit = parsed.get();
} else {
fprintf(stderr, "ERROR: `%s` failed to parse.\n", printable(tokens[4]).c_str());
return false;
}
}
Tuple rate = Tuple::makeTuple(sampleRate);
Tuple size = Tuple::makeTuple(sizeLimit);
tr->setOption(FDBTransactionOptions::SPECIAL_KEY_SPACE_ENABLE_WRITES);
tr->set(GlobalConfig::prefixedKey(fdbClientInfoTxnSampleRate), rate.pack());
tr->set(GlobalConfig::prefixedKey(fdbClientInfoTxnSizeLimit), size.pack());
if (!intrans) {
wait(safeThreadFutureToFuture(tr->commit()));
}
} else {
fprintf(stderr, "ERROR: Unknown action: %s\n", printable(tokens[2]).c_str());
result = false;
}
} else if (tokencmp(tokens[1], "list")) {
if (tokens.size() != 2) {
fprintf(stderr, "ERROR: Usage: profile list\n");
return false;
}
// Hold the reference to the standalone's memory
state ThreadFuture<RangeResult> kvsFuture =
tr->getRange(KeyRangeRef(LiteralStringRef("\xff\xff/worker_interfaces/"),
LiteralStringRef("\xff\xff/worker_interfaces0")),
CLIENT_KNOBS->TOO_MANY);
RangeResult kvs = wait(safeThreadFutureToFuture(kvsFuture));
ASSERT(!kvs.more);
for (const auto& pair : kvs) {
auto ip_port =
(pair.key.endsWith(LiteralStringRef(":tls")) ? pair.key.removeSuffix(LiteralStringRef(":tls"))
: pair.key)
.removePrefix(LiteralStringRef("\xff\xff/worker_interfaces/"));
printf("%s\n", printable(ip_port).c_str());
}
} else {
fprintf(stderr, "ERROR: Unknown type: %s\n", printable(tokens[1]).c_str());
result = false;
}
return result;
}
CommandFactory profileFactory("profile",
CommandHelp("profile <client|list> <action> <ARGS>",
"namespace for all the profiling-related commands.",
"Different types support different actions. Run `profile` to get a list of "
"types, and iteratively explore the help.\n"));
} // namespace fdb_cli