3 sys.path.append('/usr/lib/xen-default/lib/python/')
4 from xen.xm.main import SERVER_LEGACY_XMLRPC, SERVER_XEN_API, parseServer, parseAuthentication
5 from xen.xend import sxp
9 serverType, serverURI = parseServer()
11 if serverType != SERVER_LEGACY_XMLRPC:
12 print >>sys.stderr, "xen_cpu is untested with this Xen server type"
15 if serverType == SERVER_XEN_API:
16 from xen.xm import XenAPI
17 server = XenAPI.Session(serverURI)
18 username, password = parseAuthentication()
19 server.login_with_password(username, password)
22 server.xenapi.session.logout()
25 atexit.register(logout)
27 from xen.util.xmlrpcclient import ServerProxy
28 server = ServerProxy(serverURI)
37 if serverType == SERVER_XEN_API:
38 domains = server.xenapi.VM.get_all_records()
39 metrics = server.xenapi.VM_metrics.get_all_records()
40 for d in domains.values():
41 ret['uuid_'+d['uuid'].replace('-', '_')] = {'name': d['name_label'],
42 'cpu_time': sum(metrics[d['metrics']]['VCPUs_utilisation'].values()),
49 domains = server.xend.domains_with_state(True, 'all', True)
51 data = {'name': sxp.child_value(d, 'name', 'UNKNOWN'),
52 'cpu_time': sxp.child_value(d, 'cpu_time', 0.0),
53 'domid': sxp.child_value(d, 'domid', -1),
54 'uuid': sxp.child_value(d, 'uuid', 'NONE'),
57 sched = server.xend.domain.sched_credit_get(data['name'])
58 data['sched-credit'] = sched
60 data['sched-credit'] = None
61 ret['uuid_'+sxp.child_value(d, 'uuid', 'NONE').replace('-', '_')] = data
66 graph_title Xen domain CPU usage
67 graph_args --base 1000 -r --lower-limit 0 --upper-limit 800
70 graph_info This graph shows how CPU time is spent by Xen domains.
72 graph_period second"""
73 domains = getDomains()
74 for d in sorted(domains):
75 name = domains[d]['name']
77 name = 'db domid %d' % domains[d]['domid']
78 print "%s.label %s" % (d, name)
79 if domains[d]['domid'] == 0:
80 print "%s.draw AREA" % d
82 print "%s.draw STACK" % d
83 print "%s.max 19200000000" % d # 64x 100% CPU usage
85 print "%s.type DERIVE" % d
86 if domains[d].get('sched-credit'):
87 print "%s.info uuid %s CPU weight %d cap %d%%" % (d, domains[d]['uuid'], domains[d]['sched-credit']['weight'], domains[d]['sched-credit']['cap'])
89 print "%s.info uuid %s" % (d, domains[d]['uuid'])
90 print "%s.cdef %s,10000,/" % (d, d)
93 domains = getDomains()
94 for d in sorted(domains):
95 print "%s.value %s" % (d, long(domains[d]['cpu_time']*1000000))