src/trace_processor/trace_processor_benchmark.cc

/*
 * Copyright (C) 2026 The Android Open Source Project
 *
 * 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 <benchmark/benchmark.h>

#include "perfetto/trace_processor/basic_types.h"
#include "perfetto/trace_processor/trace_processor.h"

namespace perfetto::trace_processor {
namespace {

// Cold-start cost of TraceProcessor::CreateInstance(): the only call site for
// PerfettoSqlConnection::Initialize() and the load-bearing measurement for the
// startup-path optimizations (transaction-wrapped static-table CREATEs,
// collapsed RegisterStaticTable script, cached PerfettoSqlParser, etc.).
void BM_TraceProcessor_CreateInstance(benchmark::State& state) {
  for (auto _ : state) {
    auto tp = TraceProcessor::CreateInstance(Config());
    benchmark::DoNotOptimize(tp);
  }
}
BENCHMARK(BM_TraceProcessor_CreateInstance);

}  // namespace
}  // namespace perfetto::trace_processor