启用osd性能剖析脚本

import cProfile
import pstats
import os
def (filename):
    def wrapper(func):
        def profiled_func(*args, **kwargs):
            print filename
            
            DO_PROF = os.getenv("PROFILING")
            if DO_PROF:
                profile = cProfile.Profile()
                profile.enable()
                result = func(*args, **kwargs)
                profile.disable()
                # Sort stat by internal time.
                sortby = "cum"
                ps = pstats.Stats(profile).sort_stats(sortby)
                ps.dump_stats(filename)
            else:
                result = func(*args, **kwargs)
            return result
        return profiled_func
    return wrapper

import pstats, sys
file = sys.argv[1]
p = pstats.Stats(file)
p.strip_dirs().sort_stats('cum').print_stats(100)