def __str__(self):
msg = "PID: {}\n Name: {}\n UserName: {}\n inodeNumber: {}\n User Mode:\tprev:{}\tcurr:{}\n Sys Mode:\tprev:{}\tcurr:{}\n Vmem Size:\tprev:{}\tcurr:{}\n Rss:\tprev:{}\tcurr:{}\n Time:\tprev:{}\tcurr:{}\n".format(
self.pid, self.name, self.userName, self.inodeNumber,
self.userMode["prev"], self.userMode["curr"], self.sysMode["prev"],
self.sysMode["curr"], self.vmem["prev"], self.vmem["curr"],
self.rss["prev"], self.rss["curr"], round2(self.time["prev"]),
round2(self.time["curr"]))
return msg
def __str__(self):
msg = "Name: {}\n Bytes in\tprev:{}\tcurr:{}\n Bytes out\tprev:{}\tcurr:{}\n Network Bandwidth\tprev:{}\tcurr:{}\n Average Utilization:\t{} Bytes per sec\n Read Time\tprev:{}\tcurr:{}\n".format(
self.name, self.bytesIn["prev"], self.bytesIn["curr"],
self.bytesOut["prev"], self.bytesOut["curr"],
self.networkBandwidth["prev"], self.networkBandwidth["curr"],
round2(self.calculateAveragePerSecond()),
round2(self.time["prev"]), round2(self.time["curr"]))
return msg
def toJSON(self):
data = {}
data['name'] = self.name
data['bytesIn'] = round2(self.calculateDelta(self.bytesIn))
data['bytesOut'] = round2(self.calculateDelta(self.bytesOut))
data['networkBandwidth'] = round2(
self.calculateAverage(self.networkBandwidth))
data['networkUtilization'] = round2(self.calculateAveragePerSecond())
json_data = json.dumps(data)
return json_data
def toJSON(self):
freqs = self.calculateFrequencies()
data = {}
data['name'] = self.name
data['diskReads'] = round2(freqs["diskRead"])
data['diskWrites'] = round2(freqs["diskWrite"])
data['blockReads'] = round2(freqs["blockRead"])
data['blockWrites'] = round2(freqs["blockWrite"])
json_data = json.dumps(data)
return json_data
def calculatePhyMemUtil(self, phyMemTotal):
try:
#delta_phyMem = int(self.rss["curr"]) - int(self.rss["prev"])
delta_phyMem = int(self.rss["curr"])
totalUtil = (delta_phyMem / int(phyMemTotal)) * 100
return round2(totalUtil)
except:
return 0
def calculateAveragePerSecond(self):
try:
timeInterval = self.calculateDelta(self.time)
avg = ((self.calculateDelta(self.bytesIn)) +
(self.calculateDelta(self.bytesOut))) / timeInterval
return round2(avg)
except:
print("Error average network utilization per second")
return 0
def calculateCpuUtilization(self, sysWidetime):
delta_userMode = int(self.userMode["curr"]) - int(
self.userMode["prev"])
delta_sysMode = int(self.sysMode["curr"]) - int(self.sysMode["prev"])
userModeUtil = 0
sysModeUtil = 0
totalUtil = 0
try:
userModeUtil = (delta_userMode / sysWidetime) * 100
sysModeUtil = (delta_sysMode / sysWidetime) * 100
totalUtil = ((delta_sysMode + delta_userMode) / sysWidetime) * 100
except ZeroDivisionError:
pass
return {
"userMode": round2(userModeUtil),
"sysMode": round2(sysModeUtil),
"total": round2(totalUtil)
}
def calculateVMemAvg(self):
"""
return vmem persec in bytes
"""
try:
timeInterval = int(self.time["curr"]) - int(self.time["prev"])
avg_vmem = (int(self.vmem["curr"]) + int(self.vmem["prev"])) / 2
avgVMem = (avg_vmem / timeInterval)
return round2(avgVMem)
except:
#print("Error calculation vmem", vMemTotal, self.vmem)
return 0
def calculateVMemUtil(self, vMemTotal):
"""
return vmem persec in bytes
"""
try:
"""
#this calculated vmem % per second
delta_vmem = int(self.vmem["curr"]) - int(self.vmem["prev"])
totalUtil = (delta_vmem/int(vMemTotal))*100
return round2(totalUtil)"""
timeInterval = int(self.time["curr"]) - int(self.time["prev"])
delta_vmem = int(self.vmem["curr"]) - int(self.vmem["prev"])
totalUtil = (delta_vmem / timeInterval)
return round2(totalUtil)
except:
#print("Error calculation vmem", vMemTotal, self.vmem)
return 0
def parseInfo(memFile, readTime):
"""
This function parses the contents of /proc/meminfo and returns the memory information in a dictionary.
Parameters:
memFile (str): The contents of /proc/meminfo
Returns
list: A list that holds the available memory as a BasicGauge object, total memory in MB, and the memory utilization in percentage.
"""
global memTotal
if not memTotal:
try:
# get the MemTotal value and convert it to MB from kB
memTotal = float(re.findall(r'MemTotal: .*', memFile)[0].split(" ")[-2])
memTotal = memTotal/1024
except:
print("Error: Unable to retrieve MemTotal")
memTotal = None
try:
# get the MemAvailable value and convert it to MB from kB
avail = float(re.findall(r'MemAvailable: .*', memFile)[0].split(" ")[-2])
avail = avail/1024
memUsed.updateAll(memTotal-avail, readTime)
except:
print("Error: Unable to retrieve memAvail")
try:
# calculate memory utilization during the time interval
memUtil = round2((memUsed.calculateAverage()/memTotal)*100)
except:
print("Error: Unable to calculate memUtil")
memUtil = 0
return [memTotal, memUsed, memUtil]
def __str__(self):
freqs = self.calculateFrequencies()
msg = "Name: {}\n Disk Read\tprev:{}\tcurr:{}\tfreq:{}/s\n Disk Write\tprev:{}\tcurr:{}\tfreq:{}/s\n Block Read\tprev:{}\tcurr:{}\tfreq:{}/s\n Block Write\tprev:{}\tcurr:{}\tfreq:{}/s\n Read Time\tprev:{}\tcurr:{}\n".format(
self.name,
self.diskRead["prev"],
self.diskRead["curr"],
round2(freqs["diskRead"]),
self.diskWrite["prev"],
self.diskWrite["curr"],
round2(freqs["diskWrite"]),
self.blockRead["prev"],
self.blockRead["curr"],
round2(freqs["blockRead"]),
self.blockWrite["prev"],
self.blockWrite["curr"],
round2(freqs["blockWrite"]),
round2(self.time["prev"]),
round2(self.time["curr"])
)
return msg
def updateDataThread():
try:
while (True):
eel.sleep(TIME_INTERVAL)
"""
*********************************************************
Memory Stats
TYPES:
memTotal:float
memUsed:BasicGauge
memUtil:float
*********************************************************
"""
memTotal, memUsed, memUtil = memStats.fetchAll()
"""
eel.setMemoryTotal(round2(memTotal))
eel.setMemoryAvailable(round2(memUsed.calculateAverage()))
eel.setMemoryUtilization(round2(memUtil))
"""
eel.setMemoryStats([
round2(memTotal),
round2(memUsed.calculateAverage()),
round2(memUtil)
])
"""
*********************************************************
Disk Stats
TYPES
diskList:list of disk.Disk
*********************************************************
"""
diskList = diskStats.fetchAll()
diskDictList = []
for eachDisk in diskList:
diskDictList.append(eachDisk.toJSON())
eel.setDiskStats(diskDictList)
"""
*********************************************************
Cpu Stats
TYPES
intr:BasicCounter
ctxt:BasicCounter
cpuList:list of cpu.Cpu
*********************************************************
"""
intr, ctxt, cpuList, _ = cpuStats.fetchAll()
eel.setIntr(round2(intr.calculateFrequencies()))
eel.setCtxt(round2(ctxt.calculateFrequencies()))
cpuDictList = []
for eachCpu in cpuList:
cpuDictList.append(eachCpu.toJSON())
eel.setCpuStats(cpuDictList)
"""
*********************************************************
Process Stats
TYPES
processDict:dictionary of process.Process
*********************************************************
"""
processStats.setSysWideCpuTime(cpuStats.getSystemWideCpuTime())
processStats.setPhyMemTotal(int(memStats.getMemTotal()))
processDictList = processStats.toJSON()
eel.setProcesses(processDictList)
"""
*********************************************************
Network Stats
TYPES
networkDeviceList:list of networkDevice.NetworkDevice
*********************************************************
"""
networkDeviceList = netStats.fetchAll()
networkDictList = []
for eachNetworkDevice in networkDeviceList:
networkDictList.append(eachNetworkDevice.toJSON())
eel.setNetworkStats(networkDictList)
"""
*********************************************************
TCP/UDP Stats
TYPES
tcp:list of connection.Connection
udp:list of connection.Connection
establishedTcp:int
*********************************************************
"""
tcpUdpConnStats.updateInodeDict(processStats.getInodeDict())
tcp, udp, establishedTcp = tcpUdpConnStats.fetchAll()
tcpDictList = []
for eachTcpConn in tcp:
tcpDictList.append(eachTcpConn.toJSON())
eel.setTcpConnections(tcpDictList)
udpDictList = []
for eachUdpConn in udp:
udpDictList.append(eachUdpConn.toJSON())
eel.setUdpConnections(udpDictList)
eel.setEstTcp(establishedTcp, len(tcp))
except KeyboardInterrupt:
print("Closing")