def __init__(self): self.APC_GPU_DB = [] self.VM_Identifier = Identifier() self.coordinator = PStateRebalance()
class VirtualThief:
APC_GPU_DB = []
VM_Identifier = Identifier()
coordinator = PStateRebalance()
statesPool = [1600000, 1800000, 1900000, 2100000, 2200000, 2400000, 2500000, 2700000, 2900000, 3000000, 3200000, 3300000, 3500000, 3600000, 3800000, 3801000]
# Constructor
def __init__(self):
self.APC_GPU_DB = []
self.VM_Identifier = Identifier()
self.coordinator = PStateRebalance()
# VM_Identifier initialization
def initialize_VM_Identifier(self):
self.VM_Identifier.initializeST()
#self.VM_Identifier.printVMStandard()
# VM characterization
def characterize_VM(self):
self.VM_Identifier.analyzeVM()
#self.VM_Identifier.printVMPool()
# APC_GPU_DB initialization
def initializeDB(self):
try:
fd = open("APC_GPU_DB.txt", "r")
except IOError:
print "APC_GPU_DB.txt doesn't exist!"
try:
while 1:
line = fd.readline()
if not line:
break
powerEntry = GPUAppPower()
j = 0
for i in line.split():
if j == 0:
powerEntry.setName(i)
else:
powerEntry.addPower(i)
j += 1
self.APC_GPU_DB.append(powerEntry)
fd.close()
except IOError:
print "APC_GPU_DB.txt can't be processed!"
fd.close()
# get incread power from GPU execution
def obtainIncreasedPower(self, gpuApp, input):
for i in self.APC_GPU_DB:
if i.getName() == gpuApp:
if int(input) < 0:
return None
if int(input) >= len(i.getIncreasedPower()):
return None
else:
return (i.getIncreasedPower())[int(input)]
# performance state rebalance
def rebalance(self, gpuIncreasedPower, Method, Degradation):
# Set VM instance
for i in self.VM_Identifier.getVMPool():
state = i.getState()
if i.getType() == "CPU_VM" or i.getType() == "CPU_MEM_VM" or i.getType() == "GPU_VM_S":
priority = 1
else:
priority = 0
for j in self.VM_Identifier.getVMStandard():
if i.getType() == j.getType():
tmpI = Instance(i.getType(), i.getDomainID(), state, priority, j.getPerfD(), j.getPowerC())
self.coordinator.addInstance(tmpI)
break
# State Rebalance Execution
self.coordinator.rebalance(gpuIncreasedPower, Method, Degradation)
# Execute xenpm command
for i in self.coordinator.getInstancePool():
for j in self.VM_Identifier.getVMPool():
if i.domID == j.id:
for k in j.vcpu_list:
cmd = "xenpm set-scaling-speed " + str(k.getCPU()) + " " + str(self.statesPool[i.targetState])
print cmd
os.system(cmd)
# print instance pool list
#self.coordinator.printInstancePool()
# Destructor
def __del__(self):
pass
# Test function
def test(self):
print "Hello World!"
for i in self.APC_GPU_DB:
i.printData()
