diff options
Diffstat (limited to 'Lib/profile.py')
| -rwxr-xr-x | Lib/profile.py | 21 |
1 files changed, 11 insertions, 10 deletions
diff --git a/Lib/profile.py b/Lib/profile.py index f7de6a4..df36c17 100755 --- a/Lib/profile.py +++ b/Lib/profile.py @@ -438,7 +438,7 @@ class Profile: sys.setprofile(None) - #****************************************************************** + #****************************************************************** # The following calculates the overhead for using a profiler. The # problem is that it takes a fair amount of time for the profiler # to stop the stopwatch (from the time it recieves an event). @@ -481,35 +481,36 @@ class Profile: # profiler very much, and the accuracy goes way up. #************************************************************** - def calibrate(self, m): + def calibrate(self, m): + # Modified by Tim Peters n = m - s = self.timer() + s = self.get_time() while n: self.simple() n = n - 1 - f = self.timer() - my_simple = f[0]+f[1]-s[0]-s[1] + f = self.get_time() + my_simple = f - s #print "Simple =", my_simple, n = m - s = self.timer() + s = self.get_time() while n: self.instrumented() n = n - 1 - f = self.timer() - my_inst = f[0]+f[1]-s[0]-s[1] + f = self.get_time() + my_inst = f - s # print "Instrumented =", my_inst avg_cost = (my_inst - my_simple)/m #print "Delta/call =", avg_cost, "(profiler fixup constant)" return avg_cost # simulate a program with no profiler activity - def simple(self): + def simple(self): a = 1 pass # simulate a program with call/return event processing - def instrumented(self): + def instrumented(self): a = 1 self.profiler_simulation(a, a, a) |