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#include <benchmark/benchmark.h>
#include <library/cpp/yt/logging/logger.h>
#include <atomic>
namespace NYT::NLogging {
namespace {
////////////////////////////////////////////////////////////////////////////////
// A log manager whose Enqueue is essentially free, so that the benchmark measures
// only the producer-side cost (building the event payload), not the logging thread.
class TBenchmarkLogManager
: public ILogManager
{
public:
void RegisterStaticAnchor(TLoggingAnchor* anchor, ::TSourceLocation /*sourceLocation*/, TStringBuf /*message*/) override
{
anchor->Registered.store(true);
}
void UpdateAnchor(TLoggingAnchor* anchor) override
{
anchor->CurrentVersion.store(ActualVersion_.load());
}
void Enqueue(TLogEvent&& event) override
{
// Keep the produced payload observable so the build is not optimized away;
// the event is then destroyed (freeing its chunk slice) -- same for both APIs.
benchmark::DoNotOptimize(std::get<TTaggedLogEventPayload>(event.Payload).Underlying().Begin());
}
const TLoggingCategory* GetCategory(TStringBuf /*categoryName*/) override
{
return &Category_;
}
void UpdateCategory(TLoggingCategory* category) override
{
category->CurrentVersion.store(ActualVersion_.load());
}
bool GetAbortOnAlert() const override
{
return false;
}
private:
std::atomic<int> ActualVersion_ = 1;
TLoggingCategory Category_ = {
.Name = "Bench",
.MinPlainTextLevel = ELogLevel::Minimum,
.CurrentVersion = 0,
.ActualVersion = &ActualVersion_,
};
};
////////////////////////////////////////////////////////////////////////////////
// No tags.
void BM_Log_NoTags(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_LOG_INFO("This is a log message of a typical length without tags");
}
}
BENCHMARK(BM_Log_NoTags);
void BM_TLog_NoTags(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_TLOG_INFO("This is a log message of a typical length without tags");
}
}
BENCHMARK(BM_TLog_NoTags);
////////////////////////////////////////////////////////////////////////////////
// One int tag.
void BM_Log_OneTag(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_LOG_INFO("This is a log message of a typical length (TagName: %v)",
123);
}
}
BENCHMARK(BM_Log_OneTag);
void BM_TLog_OneTag(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_TLOG_INFO("This is a log message of a typical length")
.With("TagName", 123);
}
}
BENCHMARK(BM_TLog_OneTag);
////////////////////////////////////////////////////////////////////////////////
// Two tags (int + string).
void BM_Log_TwoTags(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_LOG_INFO("This is a log message of a typical length (TagName1: %v, TagName2: %v)",
123,
"this-is-a-string");
}
}
BENCHMARK(BM_Log_TwoTags);
void BM_TLog_TwoTags(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_TLOG_INFO("This is a log message of a typical length")
.With("TagName1", 123)
.With("TagName2", "this-is-a-string");
}
}
BENCHMARK(BM_TLog_TwoTags);
////////////////////////////////////////////////////////////////////////////////
// Three tags (int + string + double).
void BM_Log_ThreeTags(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_LOG_INFO("This is a log message of a typical length (TagName1: %v, TagName2: %v, TagName3: %v)",
123,
"this-is-a-string",
3.14);
}
}
BENCHMARK(BM_Log_ThreeTags);
void BM_TLog_ThreeTags(benchmark::State& state)
{
TBenchmarkLogManager manager;
TLogger Logger(&manager, "Bench");
for (auto _ : state) {
YT_TLOG_INFO("This is a log message of a typical length")
.With("TagName1", 123)
.With("TagName2", "this-is-a-string")
.With("TagName3", 3.14);
}
}
BENCHMARK(BM_TLog_ThreeTags);
////////////////////////////////////////////////////////////////////////////////
} // namespace
} // namespace NYT::NLogging
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