12 The Profiler

The LispWorks profiler provides a way of empirically monitoring execution characteristics of Lisp programs. The data obtained can help to improve the efficiency of a Lisp program by highlighting those procedures which are commonly used or particularly slow, and which would therefore benefit from optimization effort.

12.1 What the profiler does

12.2 Setting up the profiler

12.3 Running the profiler

12.4 Profiler output

12.5 Profiling pitfalls

12.6 Profiling and garbage collection

12.7 Profiler tree file format