56 lines
1.2 KiB
C++
56 lines
1.2 KiB
C++
#include <cpptrace/cpptrace.hpp>
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#include <benchmark/benchmark.h>
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#include <iostream>
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struct unwind_benchmark_info {
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benchmark::State& state;
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size_t& stack_depth;
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};
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void unwind_loop(unwind_benchmark_info info) {
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auto& [state, depth] = info;
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depth = cpptrace::generate_raw_trace().frames.size();
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for(auto _ : state) {
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benchmark::DoNotOptimize(cpptrace::generate_raw_trace());
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}
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}
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void foo(unwind_benchmark_info info, int n) {
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if(n == 0) {
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unwind_loop(info);
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} else {
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foo(info, n - 1);
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}
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}
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template<typename... Args>
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void foo(unwind_benchmark_info info, int, Args... args) {
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foo(info, args...);
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}
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void function_two(unwind_benchmark_info info, int, float) {
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foo(info, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10);
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}
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void function_one(unwind_benchmark_info info, int) {
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function_two(info, 0, 0);
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}
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static void unwinding(benchmark::State& state) {
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size_t stack_depth = 0;
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function_one({state, stack_depth}, 0);
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static bool did_print = false;
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if(!did_print) {
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did_print = true;
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std::cerr<<"[info] Unwinding benchmark stack depth: "<<stack_depth<<std::endl;
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}
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}
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// Register the function as a benchmark
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BENCHMARK(unwinding);
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// Run the benchmark
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BENCHMARK_MAIN();
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