1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
|
import os
class DiskMonitor:
def __init__(self):
self.devices = {}
dnames = os.listdir("/sys/block/")
for d in dnames:
try:
v = open("/sys/block/"+d+"/device/vendor").read().strip()
except:
v = None
if v != "ATA" and v != "SCSI":
continue
self.devices[d] = {}
self.devices[d]["new"] = ['0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0']
self.devices[d]["max"] = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
self.__updateStat__(d)
self.devices[d]["max"] = [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
print self.devices
def __calcdiff__(self, dev):
l = []
for i in xrange(len(self.devices[dev]["old"])):
l.append(int(self.devices[dev]["new"][i]) - int(self.devices[dev]["old"][i]))
return l
def __updateStat__(self, dev):
l = open("/sys/block/"+dev+"/stat", "r").read()
self.devices[dev]["old"] = self.devices[dev]["new"]
self.devices[dev]["new"] = l.split()
l = self.__calcdiff__(dev)
for i in xrange(len(l)):
if l[i] > self.devices[dev]["max"][i]:
self.devices[dev]["max"][i] = l[i]
def __update__(self):
for dev in self.devices.keys():
self.__updateStat__(dev)
self.devices[dev]["diff"] = self.__calcdiff__(dev)
def getLoad(self):
self.__update__()
ret = {}
ret["DISK"] = {}
for dev in self.devices.keys():
ret["DISK"][dev] = {}
ret["DISK"][dev]["READ"] = float(self.devices[dev]["diff"][1]) / float(self.devices[dev]["max"][1])
ret["DISK"][dev]["WRITE"] = float(self.devices[dev]["diff"][5]) / float(self.devices[dev]["max"][5])
return ret
_plugin = DiskMonitor()
|
