/usr/share/dstat/dstat_gpfs_ops.py is in dstat 0.7.2-4.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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 | ### Author: Dag Wieers <dag$wieers,com>
class dstat_plugin(dstat):
"""
Number of operations performed on a GPFS filesystem.
"""
def __init__(self):
self.name = 'gpfs file operations'
self.nick = ('open', 'clos', 'read', 'writ', 'rdir', 'inod')
self.vars = ('_oc_', '_cc_', '_rdc_', '_wc_', '_dir_', '_iu_')
self.type = 'd'
self.width = 5
self.scale = 1000
def check(self):
if os.access('/usr/lpp/mmfs/bin/mmpmon', os.X_OK):
try:
self.stdin, self.stdout, self.stderr = dpopen('/usr/lpp/mmfs/bin/mmpmon -p -s')
self.stdin.write('reset\n')
readpipe(self.stdout)
except IOError:
raise Exception, 'Cannot interface with gpfs mmpmon binary'
return True
raise Exception, 'Needs GPFS mmpmon binary'
def extract(self):
try:
self.stdin.write('io_s\n')
# readpipe(self.stderr)
for line in readpipe(self.stdout):
if not line: continue
l = line.split()
for name in self.vars:
self.set2[name] = long(l[l.index(name)+1])
for name in self.vars:
self.val[name] = (self.set2[name] - self.set1[name]) * 1.0 / elapsed
except IOError, e:
if op.debug > 1: print '%s: lost pipe to mmpmon, %s' % (self.filename, e)
for name in self.vars: self.val[name] = -1
except Exception, e:
if op.debug > 1: print '%s: exception %s' % (self.filename, e)
for name in self.vars: self.val[name] = -1
if step == op.delay:
self.set1.update(self.set2)
# vim:ts=4:sw=4:et
|