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#!/usr/bin/env python
# -*- coding: utf8 -*-
from __future__ import print_function
import math
import os.path
import re
import sys
import time
import unittest
def setupSysPath():
testPath = sys.path[0]
rem = re.match("(^.*/)test$", testPath)
if not rem:
print("This script expects to reside in .../test.")
sys.exit(-1)
lldbBasePath = rem.group(1)
lldbDebugPythonPath = "build/Debug/LLDB.framework/Resources/Python"
lldbReleasePythonPath = "build/Release/LLDB.framework/Resources/Python"
lldbPythonPath = None
if os.path.isfile(lldbDebugPythonPath + "/lldb.py"):
lldbPythonPath = lldbDebugPythonPath
if os.path.isfile(lldbReleasePythonPath + "/lldb.py"):
lldbPythonPath = lldbReleasePythonPath
if not lldbPythonPath:
print(
"This script requires lldb.py to be in either " +
lldbDebugPythonPath,
end='')
print("or" + lldbReleasePythonPath)
sys.exit(-1)
sys.path.append(lldbPythonPath)
def prettyTime(t):
if t == 0.0:
return "0s"
if t < 0.000001:
return ("%.3f" % (t * 1000000000.0)) + "ns"
if t < 0.001:
return ("%.3f" % (t * 1000000.0)) + "µs"
if t < 1:
return ("%.3f" % (t * 1000.0)) + "ms"
return str(t) + "s"
class ExecutionTimes:
@classmethod
def executionTimes(cls):
if cls.m_executionTimes is None:
cls.m_executionTimes = ExecutionTimes()
for i in range(100):
cls.m_executionTimes.start()
cls.m_executionTimes.end("null")
return cls.m_executionTimes
def __init__(self):
self.m_times = dict()
def start(self):
self.m_start = time.time()
def end(self, component):
e = time.time()
if component not in self.m_times:
self.m_times[component] = list()
self.m_times[component].append(e - self.m_start)
def dumpStats(self):
for key in list(self.m_times.keys()):
if len(self.m_times[key]):
sampleMin = float('inf')
sampleMax = float('-inf')
sampleSum = 0.0
sampleCount = 0.0
for time in self.m_times[key]:
if time > sampleMax:
sampleMax = time
if time < sampleMin:
sampleMin = time
sampleSum += time
sampleCount += 1.0
sampleMean = sampleSum / sampleCount
sampleVariance = 0
for time in self.m_times[key]:
sampleVariance += (time - sampleMean) ** 2
sampleVariance /= sampleCount
sampleStandardDeviation = math.sqrt(sampleVariance)
print(
key +
": [" +
prettyTime(sampleMin) +
", " +
prettyTime(sampleMax) +
"] ",
end='')
print(
"µ " +
prettyTime(sampleMean) +
", σ " +
prettyTime(sampleStandardDeviation))
m_executionTimes = None
setupSysPath()
import lldb
class LLDBTestCase(unittest.TestCase):
def setUp(self):
debugger = lldb.SBDebugger.Create()
debugger.SetAsync(True)
self.m_commandInterpreter = debugger.GetCommandInterpreter()
if not self.m_commandInterpreter:
print("Couldn't get the command interpreter")
sys.exit(-1)
def runCommand(self, command, component):
res = lldb.SBCommandReturnObject()
ExecutionTimes.executionTimes().start()
self.m_commandInterpreter.HandleCommand(command, res, False)
ExecutionTimes.executionTimes().end(component)
if res.Succeeded():
return res.GetOutput()
else:
self.fail("Command " + command + " returned an error")
return None
def getCategories(self):
return []
class SanityCheckTestCase(LLDBTestCase):
def runTest(self):
ret = self.runCommand("show arch", "show-arch")
# print(ret)
def getCategories(self):
return []
suite = unittest.TestLoader().loadTestsFromTestCase(SanityCheckTestCase)
unittest.TextTestRunner(verbosity=2).run(suite)
ExecutionTimes.executionTimes().dumpStats()
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