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
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
|
#!/usr/bin/env python
# Copyright (c) 2009, Giampaolo Rodola'. All rights reserved.
# Use of this source code is governed by a BSD-style license that can be
# found in the LICENSE file.
"""BSD specific tests. These are implicitly run by test_psutil.py."""
import unittest
import subprocess
import time
import re
import sys
import os
import psutil
from psutil._compat import PY3
from test_psutil import *
PAGESIZE = os.sysconf("SC_PAGE_SIZE")
MUSE_AVAILABLE = which('muse')
def sysctl(cmdline):
"""Expects a sysctl command with an argument and parse the result
returning only the value of interest.
"""
result = sh("sysctl " + cmdline)
result = result[result.find(": ") + 2:]
try:
return int(result)
except ValueError:
return result
def muse(field):
"""Thin wrapper around 'muse' cmdline utility."""
out = sh('muse', stderr=DEVNULL)
for line in out.split('\n'):
if line.startswith(field):
break
else:
raise ValueError("line not found")
return int(line.split()[1])
class BSDSpecificTestCase(unittest.TestCase):
def setUp(self):
self.pid = get_test_subprocess().pid
def tearDown(self):
reap_children()
def test_BOOT_TIME(self):
s = sysctl('sysctl kern.boottime')
s = s[s.find(" sec = ") + 7:]
s = s[:s.find(',')]
btime = int(s)
self.assertEqual(btime, psutil.BOOT_TIME)
def test_process_create_time(self):
cmdline = "ps -o lstart -p %s" %self.pid
p = subprocess.Popen(cmdline, shell=1, stdout=subprocess.PIPE)
output = p.communicate()[0]
if PY3:
output = str(output, sys.stdout.encoding)
start_ps = output.replace('STARTED', '').strip()
start_psutil = psutil.Process(self.pid).create_time
start_psutil = time.strftime("%a %b %e %H:%M:%S %Y",
time.localtime(start_psutil))
self.assertEqual(start_ps, start_psutil)
def test_disks(self):
# test psutil.disk_usage() and psutil.disk_partitions()
# against "df -a"
def df(path):
out = sh('df -k "%s"' % path).strip()
lines = out.split('\n')
lines.pop(0)
line = lines.pop(0)
dev, total, used, free = line.split()[:4]
if dev == 'none':
dev = ''
total = int(total) * 1024
used = int(used) * 1024
free = int(free) * 1024
return dev, total, used, free
for part in psutil.disk_partitions(all=False):
usage = psutil.disk_usage(part.mountpoint)
dev, total, used, free = df(part.mountpoint)
self.assertEqual(part.device, dev)
self.assertEqual(usage.total, total)
# 10 MB tollerance
if abs(usage.free - free) > 10 * 1024 * 1024:
self.fail("psutil=%s, df=%s" % (usage.free, free))
if abs(usage.used - used) > 10 * 1024 * 1024:
self.fail("psutil=%s, df=%s" % (usage.used, used))
def test_memory_maps(self):
out = sh('procstat -v %s' % self.pid)
maps = psutil.Process(self.pid).get_memory_maps(grouped=False)
lines = out.split('\n')[1:]
while lines:
line = lines.pop()
fields = line.split()
_, start, stop, perms, res = fields[:5]
map = maps.pop()
self.assertEqual("%s-%s" % (start, stop), map.addr)
self.assertEqual(int(res), map.rss)
if not map.path.startswith('['):
self.assertEqual(fields[10], map.path)
# --- virtual_memory(); tests against sysctl
def test_vmem_total(self):
syst = sysctl("sysctl vm.stats.vm.v_page_count") * PAGESIZE
self.assertEqual(psutil.virtual_memory().total, syst)
@retry_before_failing()
def test_vmem_active(self):
syst = sysctl("vm.stats.vm.v_active_count") * PAGESIZE
self.assertAlmostEqual(psutil.virtual_memory().active, syst,
delta=TOLERANCE)
@retry_before_failing()
def test_vmem_inactive(self):
syst = sysctl("vm.stats.vm.v_inactive_count") * PAGESIZE
self.assertAlmostEqual(psutil.virtual_memory().inactive, syst,
delta=TOLERANCE)
@retry_before_failing()
def test_vmem_wired(self):
syst = sysctl("vm.stats.vm.v_wire_count") * PAGESIZE
self.assertAlmostEqual(psutil.virtual_memory().wired, syst,
delta=TOLERANCE)
@retry_before_failing()
def test_vmem_cached(self):
syst = sysctl("vm.stats.vm.v_cache_count") * PAGESIZE
self.assertAlmostEqual(psutil.virtual_memory().cached, syst,
delta=TOLERANCE)
@retry_before_failing()
def test_vmem_free(self):
syst = sysctl("vm.stats.vm.v_free_count") * PAGESIZE
self.assertAlmostEqual(psutil.virtual_memory().free, syst,
delta=TOLERANCE)
@retry_before_failing()
def test_vmem_buffers(self):
syst = sysctl("vfs.bufspace")
self.assertAlmostEqual(psutil.virtual_memory().buffers, syst,
delta=TOLERANCE)
# --- virtual_memory(); tests against muse
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
def test_total(self):
num = muse('Total')
self.assertEqual(psutil.virtual_memory().total, num)
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
@retry_before_failing()
def test_active(self):
num = muse('Active')
self.assertAlmostEqual(psutil.virtual_memory().active, num,
delta=TOLERANCE)
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
@retry_before_failing()
def test_inactive(self):
num = muse('Inactive')
self.assertAlmostEqual(psutil.virtual_memory().inactive, num,
delta=TOLERANCE)
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
@retry_before_failing()
def test_wired(self):
num = muse('Wired')
self.assertAlmostEqual(psutil.virtual_memory().wired, num,
delta=TOLERANCE)
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
@retry_before_failing()
def test_cached(self):
num = muse('Cache')
self.assertAlmostEqual(psutil.virtual_memory().cached, num,
delta=TOLERANCE)
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
@retry_before_failing()
def test_free(self):
num = muse('Free')
self.assertAlmostEqual(psutil.virtual_memory().free, num,
delta=TOLERANCE)
@unittest.skipUnless(MUSE_AVAILABLE, "muse cmdline tool is not available")
@retry_before_failing()
def test_buffers(self):
num = muse('Buffer')
self.assertAlmostEqual(psutil.virtual_memory().buffers, num,
delta=TOLERANCE)
def test_main():
test_suite = unittest.TestSuite()
test_suite.addTest(unittest.makeSuite(BSDSpecificTestCase))
result = unittest.TextTestRunner(verbosity=2).run(test_suite)
return result.wasSuccessful()
if __name__ == '__main__':
if not test_main():
sys.exit(1)
|
