lldb.formatters.metrics

+ 1 """ + 2 Objective-C runtime wrapper for use by LLDB Python formatters + 3 + 4 part of The LLVM Compiler Infrastructure + 5 This file is distributed under the University of Illinois Open Source + 6 License. See LICENSE.TXT for details. + 7 """ + 8 import lldb + 9 import time, datetime +10 import inspect +

11 +12 -class TimeMetrics: +

13 @staticmethod +

14 - def generate(label=None): +

15 return TimeMetrics(label) +

16 +

17 - def __init__(self,lbl=None): +

18 self.label = "" if lbl is None else lbl +19 pass +

20 +

21 - def __enter__(self): +

22 caller = inspect.stack()[1] +23 self.function = str(caller) +24 self.enter_time = time.clock() +

25 +

26 - def __exit__(self, a,b,c): +

27 self.exit_time = time.clock() +28 print "It took " + str(self.exit_time - self.enter_time) + " time units to run through " + self.function + self.label +29 return False +

30 +

31 -class Counter: +

32 - def __init__(self): +

33 self.count = 0 +34 self.list = [] +

35 - def update(self,name): +

36 self.count = self.count + 1 +37 # avoid getting the full dump of this ValueObject just to save its metrics +38 if isinstance(name,lldb.SBValue): +39 self.list.append(name.GetName()) +40 else: +41 self.list.append(str(name)) +

42 - def __str__(self): +

43 return str(self.count) + " times, for items [" + str(self.list) + "]" +

44 +

45 -class MetricsPrinter_Verbose: +

46 - def __init__(self,metrics): +

47 self.metrics = metrics +

48 - def __str__(self): +

49 string = "" +50 for key,value in self.metrics.metrics.items(): +51 string = string + "metric " + str(key) + ": " + str(value) + "\n" +52 return string +

53 +

54 -class MetricsPrinter_Compact: +

55 - def __init__(self,metrics): +

56 self.metrics = metrics +

57 - def __str__(self): +

58 string = "" +59 for key,value in self.metrics.metrics.items(): +60 string = string + "metric " + str(key) + " was hit " + str(value.count) + " times\n" +61 return string +

62 +

63 -class Metrics: +

64 - def __init__(self): +

65 self.metrics = {} +

66 +

67 - def add_metric(self,name): +

68 self.metrics[name] = Counter() +

69 +

70 - def metric_hit(self,metric,trigger): +

71 self.metrics[metric].update(trigger) +

72 +

73 - def __getitem__(self,key): +

74 return self.metrics[key] +

75 +

76 - def __getattr__(self,name): +

77 if name == 'compact': +78 return MetricsPrinter_Compact(self) +79 if name == 'verbose': +80 return MetricsPrinter_Verbose(self) +81 raise AttributeError("%r object has no attribute %r" % +82 (type(self).__name__, name)) +

83 +

84 - def __str__(self): +

85 return str(self.verbose) +

86 +

87 - def metric_success(self,metric): +

88 total_count = 0 +89 metric_count = self[metric].count +90 for key,value in self.metrics.items(): +91 total_count = total_count + value.count +92 if total_count > 0: +93 return metric_count / float(total_count) +94 return 0 +

95 +

Source Code for Module lldb.formatters.metrics