One could use a profiler, but why not just halt the program? [closed]

Answer 1

Sampling profilers are only useful when

1. You are monitoring a runtime with a small number of threads. Preferably one.
2. The call stack depth of each thread is relatively small (to reduce the incredible overhead in collecting a sample).
3. You are only concerned about wall clock time and not other meters or resource bottlenecks.
4. You have not instrumented the code for management and monitoring purposes (hence the stack dump requests)
5. You mistakenly believe removing a stack frame is an effective performance improvement strategy whether the inherent costs (excluding callees) are practically zero or not
6. You can't be bothered to learn how to apply software performance engineering day-to-day in your job
7. ....