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// Copyright (c) 2020-2022 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
#include <bench/bench.h>
#include <logging.h>
#include <test/util/setup_common.h>
#include <util/chaintype.h>
// All but 2 of the benchmarks should have roughly similar performance:
//
// LogPrintWithoutCategory should be ~3 orders of magnitude faster, as nothing is logged.
//
// LogWithoutWriteToFile should be ~2 orders of magnitude faster, as it avoids disk writes.
static void Logging(benchmark::Bench& bench, const std::vector<const char*>& extra_args, const std::function<void()>& log)
{
// Reset any enabled logging categories from a previous benchmark run.
LogInstance().DisableCategory(BCLog::LogFlags::ALL);
TestingSetup test_setup{
ChainType::REGTEST,
extra_args,
};
bench.run([&] { log(); });
}
static void LogPrintLevelWithThreadNames(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=1", "-debug=net"}, [] {
LogPrintLevel(BCLog::NET, BCLog::Level::Error, "%s\n", "test"); });
}
static void LogPrintLevelWithoutThreadNames(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=0", "-debug=net"}, [] {
LogPrintLevel(BCLog::NET, BCLog::Level::Error, "%s\n", "test"); });
}
static void LogPrintWithCategory(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=0", "-debug=net"}, [] { LogPrint(BCLog::NET, "%s\n", "test"); });
}
static void LogPrintWithoutCategory(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=0", "-debug=0"}, [] { LogPrint(BCLog::NET, "%s\n", "test"); });
}
static void LogPrintfCategoryWithThreadNames(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=1", "-debug=net"}, [] {
LogPrintfCategory(BCLog::NET, "%s\n", "test");
});
}
static void LogPrintfCategoryWithoutThreadNames(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=0", "-debug=net"}, [] {
LogPrintfCategory(BCLog::NET, "%s\n", "test");
});
}
static void LogPrintfWithThreadNames(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=1"}, [] { LogPrintf("%s\n", "test"); });
}
static void LogPrintfWithoutThreadNames(benchmark::Bench& bench)
{
Logging(bench, {"-logthreadnames=0"}, [] { LogPrintf("%s\n", "test"); });
}
static void LogWithoutWriteToFile(benchmark::Bench& bench)
{
// Disable writing the log to a file, as used for unit tests and fuzzing in `MakeNoLogFileContext`.
Logging(bench, {"-nodebuglogfile", "-debug=1"}, [] {
LogPrintf("%s\n", "test");
LogPrint(BCLog::NET, "%s\n", "test");
});
}
BENCHMARK(LogPrintLevelWithThreadNames, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintLevelWithoutThreadNames, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintWithCategory, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintWithoutCategory, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintfCategoryWithThreadNames, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintfCategoryWithoutThreadNames, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintfWithThreadNames, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogPrintfWithoutThreadNames, benchmark::PriorityLevel::HIGH);
BENCHMARK(LogWithoutWriteToFile, benchmark::PriorityLevel::HIGH);
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