| Current Path : /usr/share/dstat/ |
Linux gator3171.hostgator.com 4.19.286-203.ELK.el7.x86_64 #1 SMP Wed Jun 14 04:33:55 CDT 2023 x86_64 |
| Current File : //usr/share/dstat/dstat_vz_io.py |
### Author: Dag Wieers <dag@wieers.com>
### Example content for /proc/bc/<veid>/ioacct
# read 2773011640320
# write 2095707136000
# dirty 4500342390784
# cancel 4080624041984
# missed 0
# syncs_total 2
# fsyncs_total 1730732
# fdatasyncs_total 3266
# range_syncs_total 0
# syncs_active 0
# fsyncs_active 0
# fdatasyncs_active 0
# range_syncs_active 0
# vfs_reads 3717331387
# vfs_read_chars 3559144863185798078
# vfs_writes 901216138
# vfs_write_chars 23864660931174682
# io_pbs 16
class dstat_plugin(dstat):
def __init__(self):
self.nick = ['read', 'write', 'dirty', 'cancel', 'missed']
self.cols = len(self.nick)
def check(self):
if not os.path.exists('/proc/vz'):
raise Exception, 'System does not have OpenVZ support'
elif not os.path.exists('/proc/bc'):
raise Exception, 'System does not have (new) OpenVZ beancounter support'
elif not glob.glob('/proc/bc/*/ioacct'):
raise Exception, 'System does not have any OpenVZ containers'
info(1, 'Module %s is still experimental.' % self.filename)
def name(self):
return ['ve/'+name for name in self.vars]
def vars(self):
ret = []
if not op.full:
varlist = ['total',]
else:
varlist = [os.path.basename(veid) for veid in glob.glob('/proc/vz/*')]
ret = varlist
return ret
def extract(self):
for veid in self.vars:
self.set2['total'] = {}
for line in dopen('/proc/bc/%s/ioacct' % veid).readlines():
l = line.split()
if len(l) != 2: continue
if l[0] not in self.nick: continue
index = self.nick.index(l[0])
self.set2[veid][index] = long(l[1])
self.set2['total'][index] = self.set2['total'][index] + long(l[1])
# print veid, self.val[veid], self.set2[veid][0], self.set2[veid][1]
# print veid, self.val[veid], self.set1[veid][0], self.set1[veid][1]
for i in range(len(self.nick)):
self.val[veid][i] = (self.set2[veid][i] - self.set1[veid][i]) / elapsed
if step == op.delay:
self.set1.update(self.set2)
# vim:ts=4:sw=4:et