Sub-millisecond profiling for python pstats

gistfile1.py

# -*- coding: utf8 -*-
"""
A simple monkeypath for the pstats module to be able to see sub-millisecond timings

If display value is 0.000, display the time in microseconds
"""

import pstats

def f8(x):
    ret = "%8.3f" % x
    if ret != '   0.000':
        return ret
    return "%6dµs" % (x * 10000000)

pstats.f8 = f8

"""
Sample output example:

   ncalls  tottime  percall  cumtime  percall filename:lineno(function)
     9827    0.007      7µs    0.007      7µs {method 'get' of 'dict' objects}
     3427    0.009     25µs    0.017     49µs {map}
    10701    0.006      5µs    0.006      5µs {method 'lower' of 'str' objects}
    31410    0.045     14µs    0.045     14µs {method 'split' of 'str' objects}
    10023    0.006      6µs    0.006      6µs {_weakref.proxy}
    31801    0.009      2µs    0.009      2µs {len}
     3892    0.003      7µs    0.003      7µs {method 'extend' of 'list' objects}
     1397    0.001      8µs    0.001      8µs {method 'replace' of 'str' objects}
    10488    0.010      9µs    0.010      9µs {method 'string_literal' of '_mysql.connection' objects}
    10702    2.620   2447µs    2.620   2447µs {method 'readline' of 'file' objects}
    10023    0.004      3µs    0.004      3µs {method 'info' of '_mysql.connection' objects}
    10023    0.005      5µs    0.005      5µs {method 'insert_id' of '_mysql.connection' objects}
    14327    0.022     15µs    0.022     15µs {method 'rstrip' of 'str' objects}

""""