Linux application profiling

Question

I need some means of recording the performance of an application on a Linux machine. I won't have an IDE.

Ideally, I need an app that will attach to a process and log periodic snapshots of: memory usage number of threads CPU usage

Any ideas?

question from:https://stackoverflow.com/questions/2229336/linux-application-profiling

Answer 1

If you are looking for things to do to possibly speed up the program, you need stackshots. A simple way to do this is to use the pstack utility, or lsstack if you can get it.

You can do better than gprof. If you want to use an official profiling tool, you want something that samples the call stack on wall-clock time and presents line-level cost, such as Oprofile or RotateRight/Zoom.