forked from OSchip/llvm-project
95 lines
2.4 KiB
Python
95 lines
2.4 KiB
Python
"""
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Objective-C runtime wrapper for use by LLDB Python formatters
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part of The LLVM Compiler Infrastructure
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This file is distributed under the University of Illinois Open Source
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License. See LICENSE.TXT for details.
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"""
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import lldb
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import time, datetime
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import inspect
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class TimeMetrics:
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@staticmethod
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def generate(label=None):
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return TimeMetrics(label)
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def __init__(self,lbl=None):
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self.label = "" if lbl is None else lbl
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pass
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def __enter__(self):
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caller = inspect.stack()[1]
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self.function = str(caller)
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self.enter_time = time.clock()
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def __exit__(self, a,b,c):
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self.exit_time = time.clock()
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print "It took " + str(self.exit_time - self.enter_time) + " time units to run through " + self.function + self.label
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return False
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class Counter:
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def __init__(self):
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self.count = 0
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self.list = []
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def update(self,name):
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self.count = self.count + 1
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# avoid getting the full dump of this ValueObject just to save its metrics
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if isinstance(name,lldb.SBValue):
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self.list.append(name.GetName())
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else:
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self.list.append(str(name))
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def __str__(self):
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return str(self.count) + " times, for items [" + str(self.list) + "]"
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class MetricsPrinter_Verbose:
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def __init__(self,metrics):
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self.metrics = metrics
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def __str__(self):
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string = ""
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for key,value in self.metrics.metrics.items():
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string = string + "metric " + str(key) + ": " + str(value) + "\n"
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return string
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class MetricsPrinter_Compact:
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def __init__(self,metrics):
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self.metrics = metrics
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def __str__(self):
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string = ""
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for key,value in self.metrics.metrics.items():
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string = string + "metric " + str(key) + " was hit " + str(value.count) + " times\n"
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return string
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class Metrics:
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def __init__(self):
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self.metrics = {}
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def add_metric(self,name):
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self.metrics[name] = Counter()
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def metric_hit(self,metric,trigger):
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self.metrics[metric].update(trigger)
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def __getitem__(self,key):
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return self.metrics[key]
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def __getattr__(self,name):
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if name == 'compact':
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return MetricsPrinter_Compact(self)
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if name == 'verbose':
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return MetricsPrinter_Verbose(self)
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raise AttributeError("%r object has no attribute %r" %
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(type(self).__name__, name))
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def __str__(self):
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return str(self.verbose)
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def metric_success(self,metric):
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total_count = 0
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metric_count = self[metric].count
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for key,value in self.metrics.items():
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total_count = total_count + value.count
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if total_count > 0:
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return metric_count / float(total_count)
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return 0
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