| 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_lustre.py |
# Author: Brock Palen <brockp@mlds-networks.com>, Kilian Vavalotti <kilian@stanford.edu>
class dstat_plugin(dstat):
def __init__(self):
self.nick = ('read', 'write')
def check(self):
if not os.path.exists('/proc/fs/lustre/llite'):
raise Exception, 'Lustre filesystem not found'
info(1, 'Module %s is still experimental.' % self.filename)
def name(self):
return [mount for mount in os.listdir('/proc/fs/lustre/llite')]
def vars(self):
return [mount for mount in os.listdir('/proc/fs/lustre/llite')]
def extract(self):
for name in self.vars:
for l in open(os.path.join('/proc/fs/lustre/llite', name, 'stats')).splitlines():
if len(l) < 6: continue
if l[0] == 'read_bytes':
read = long(l[6])
elif l[0] == 'write_bytes':
write = long(l[6])
self.set2[name] = (read, write)
self.val[name] = ( (self.set2[name][0] - self.set1[name][0]) * 1.0 / elapsed,
(self.set2[name][1] - self.set1[name][1]) * 1.0 / elapsed )
if step == op.delay:
self.set1.update(self.set2)
# vim:ts=4:sw=4