const trace_events = require('node:trace_events');
// it works if comment out this line
require('v8');

const tracing = trace_events.createTracing({ categories: ['disabled-by-default-v8.ic_stats'] });

tracing.enable();

function access(obj) {
    obj.a;
}
for (let i = 0; i < 100; i++) {
    access({a: i});
    access({a: String(i)});
}

function f(upperLimit) {
    let sum = 0;
    for (let i = 0; i < upperLimit; i++) {
      sum += i;
    }
    if (sum < 0) throw "argh";
}
  
function measure(f) {
    const start = new Date().valueOf();
    for (let i = 0; i < 10000; i++) {
      f(i * 10);
    }
    const end = new Date().valueOf();
    console.log(end - start);
}
  
measure(f);

node was compiled with optimization - stepping may behave oddly; variables may not be available.
* thread #1, stop reason = signal SIGSTOP
  * frame #0: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(v8::internal::Isolate*, unsigned long, v8::internal::Code) [inlined] int std::__1::__cxx_atomic_load<int>(__a=<unavailable>, __order=memory_order_relaxed) at atomic:997:12 [opt]
    frame #1: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(v8::internal::Isolate*, unsigned long, v8::internal::Code) [inlined] std::__1::__atomic_base<int, false>::load(this=<unavailable>, __m=memory_order_relaxed) const volatile at atomic:1603 [opt]
    frame #2: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(v8::internal::Isolate*, unsigned long, v8::internal::Code) [inlined] int std::__1::atomic_load_explicit<int>(__o=<unavailable>, __m=memory_order_relaxed) at atomic:1959 [opt]
    frame #3: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(v8::internal::Isolate*, unsigned long, v8::internal::Code) [inlined] v8::base::Relaxed_Load(ptr=<unavailable>) at atomicops.h:237 [opt]
    frame #4: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(v8::internal::Isolate*, unsigned long, v8::internal::Code) [inlined] v8::internal::Code::is_off_heap_trampoline(this=<unavailable>) const at code-inl.h:1101 [opt]
    frame #5: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(v8::internal::Isolate*, unsigned long, v8::internal::Code) [inlined] v8::internal::Code::InstructionStart(this=<unavailable>, isolate=<unavailable>, pc=<unavailable>) const at code-inl.h:652 [opt]
    frame #6: 0x0000000101fb6d82 node`v8::internal::SafepointTable::SafepointTable(this=0x00007ffeedf6ef88, isolate=0x00007f823654d000, pc=4461753840, code=Code @ 0x00007ffeedf6ef58) at safepoint-table.cc:24 [opt]
    frame #7: 0x000000010202de87 node`v8::internal::TurbofanFrame::FindReturnPCForTrampoline(this=<unavailable>, code=<unavailable>, trampoline_pc=2817) const at frames.cc:2278:18 [opt]
    frame #8: 0x000000010217b920 node`v8::internal::IC::TraceIC(this=<unavailable>, type=<unavailable>, name=<unavailable>, old_state=UNINITIALIZED, new_state=<unavailable>) at ic.cc:165:35 [opt]
    frame #9: 0x000000010217d2f6 node`v8::internal::LoadIC::UpdateCaches(this=0x00007ffeedf6f960, lookup=<unavailable>) at ic.cc:0 [opt]
    frame #10: 0x000000010217cdb0 node`v8::internal::LoadIC::Load(this=0x00007ffeedf6f960, object=<unavailable>, name=<unavailable>, update_feedback=<unavailable>, receiver=<unavailable>) at ic.cc:494:7 [opt]
    frame #11: 0x000000010217d45e node`v8::internal::LoadGlobalIC::Load(this=0x00007ffeedf6f960, name=<unavailable>, update_feedback=<unavailable>) at ic.cc:572:18 [opt]
    frame #12: 0x000000010218563a node`v8::internal::Runtime_LoadGlobalIC_Miss(int, unsigned long*, v8::internal::Isolate*) at ic.cc:2780:3 [opt]
    frame #13: 0x0000000102185487 node`v8::internal::Runtime_LoadGlobalIC_Miss(args_length=<unavailable>, args_object=0x00007ffeedf6faa0, isolate=0x00007f823654d000) at ic.cc:2755 [opt]
    frame #14: 0x0000000102932b79 node`Builtins_CEntry_Return1_DontSaveFPRegs_ArgvOnStack_NoBuiltinExit + 57
    frame #15: 0x0000000109f0f5f0
    frame #16: 0x0000000109f0ceeb
    frame #17: 0x00000001028b1bdc node`Builtins_InterpreterEntryTrampoline + 220
    frame #18: 0x00000001028b1bdc node`Builtins_InterpreterEntryTrampoline + 220
    frame #19: 0x00000001028b1bdc node`Builtins_InterpreterEntryTrampoline + 220
    frame #20: 0x00000001028b1bdc node`Builtins_InterpreterEntryTrampoline + 220
    frame #21: 0x00000001028b1bdc node`Builtins_InterpreterEntryTrampoline + 220
    frame #22: 0x00000001028b1bdc node`Builtins_InterpreterEntryTrampoline + 220
    frame #23: 0x00000001028b035c node`Builtins_JSEntryTrampoline + 92
    frame #24: 0x00000001028b0083 node`Builtins_JSEntry + 131
    frame #25: 0x0000000102024308 node`v8::internal::(anonymous namespace)::Invoke(v8::internal::Isolate*, v8::internal::(anonymous namespace)::InvokeParams const&) [inlined] v8::internal::GeneratedCode<unsigned long, unsigned long, unsigned long, unsigned long, unsigned long, long, unsigned long**>::Call(this=<unavailable>, args=<unavailable>, args=<unavailable>, args=<unavailable>, args=<unavailable>, args=<unavailable>, args=<unavailable>) at simulator.h:155:12 [opt]
    frame #26: 0x0000000102024306 node`v8::internal::(anonymous namespace)::Invoke(isolate=0x00007f823654d000, params=<unavailable>)::InvokeParams const&) at execution.cc:427 [opt]
    frame #27: 0x0000000102023695 node`v8::internal::Execution::Call(isolate=0x00007f823654d000, callable=<unavailable>, receiver=<unavailable>, argc=4, argv=0x00007f82366292d0) at execution.cc:527:10 [opt]
    frame #28: 0x0000000101ef6cfd node`v8::Function::Call(this=0x00007f823716a048, context=<unavailable>, recv=<unavailable>, argc=<unavailable>, argv=0x00007f82366292d0) at api.cc:5317:7 [opt]
    frame #29: 0x0000000101d42ca2 node`node::builtins::BuiltinLoader::CompileAndCall(v8::Local<v8::Context>, char const*, node::Realm*) [inlined] node::builtins::BuiltinLoader::CompileAndCall(context=(val_ = 0x00007f823719ac80), id=<unavailable>, argc=4, argv=0x00007f82366292d0, optional_env=<unavailable>) at node_builtins.cc:502:14 [opt]
    frame #30: 0x0000000101d42c83 node`node::builtins::BuiltinLoader::CompileAndCall(context=(val_ = 0x00007f823719ac80), id=<unavailable>, realm=0x00007f8236627120) at node_builtins.cc:485 [opt]
    frame #31: 0x0000000101dd81ff node`node::Realm::ExecuteBootstrapper(this=0x00007f8236627120, id=<unavailable>) at node_realm.cc:168:30 [opt]
    frame #32: 0x0000000101d25176 node`node::StartExecution(env=0x00007f823780ec00, cb=<unavailable>)>) at node.cc:0 [opt]
    frame #33: 0x0000000101c9697d node`node::LoadEnvironment(env=0x00007f823780ec00, cb=<unavailable>)>) at environment.cc:437:10 [opt]
    frame #34: 0x0000000101da2752 node`node::NodeMainInstance::Run() [inlined] node::NodeMainInstance::Run(this=<unavailable>, exit_code=<unavailable>, env=0x00007f823780ec00) at node_main_instance.cc:138:5 [opt]
    frame #35: 0x0000000101da2734 node`node::NodeMainInstance::Run(this=<unavailable>) at node_main_instance.cc:132 [opt]
    frame #36: 0x0000000101d27c64 node`node::LoadSnapshotDataAndRun(snapshot_data_ptr=<unavailable>, result=<unavailable>) at node.cc:1169:29 [opt]
    frame #37: 0x0000000101d27ee4 node`node::Start(int, char**) [inlined] node::StartInternal(argc=<unavailable>, argv=0x00007f82364266a0) at node.cc:1215:10 [opt]
    frame #38: 0x0000000101d27cb4 node`node::Start(argc=<unavailable>, argv=<unavailable>) at node.cc:1219 [opt]
    frame #39: 0x00007fff2050d621 libdyld.dylib`start + 1