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