The pstats Module

The pstats module is a tool that analyzes data collected by the Python profiler, as Example 11-5 shows.

Example 11-5. Using the pstats Module

File: pstats-example-1.py import pstats import profile def func1(): for i in range(1000): pass def func2(): for i in range(1000): func1() p = profile.Profile() p.run("func2()") s = pstats.Stats(p) s.sort_stats("time", "name").print_stats() 1003 function calls in 1.574 CPU seconds Ordered by: internal time, function name ncalls tottime percall cumtime percall filename:lineno(function) 1000 1.522 0.002 1.522 0.002 pstats-example-1.py:4(func1) 1 0.051 0.051 1.573 1.573 pstats-example-1.py:8(func2) 1 0.001 0.001 1.574 1.574 profile:0(func2()) 1 0.000 0.000 1.573 1.573 :1(?) 0 0.000 0.000 profile:0(profiler)

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