def testFreebsdCapIostat(self, mock_subprocess):
global logger
checker = IO(logger)
results = checker.check({})
expected = 0
for res in results:
self.assertEqual(results[res]['%util'], expected)
def testFreebsdCapIostat(self, mock_subprocess):
global logger
checker = IO(logger)
results = checker.check({})
expected = 0
for res in results:
self.assertEqual(results[res]['%util'], expected)
def testSunos5CapIostat(self, mock_subprocess):
global logger
checker = IO(logger)
results = checker.check({})
for res in results:
if res == 'sd1':
expected = 10
else:
expected = 0
self.assertEqual(results[res]['%util'], expected)
def testSunos5CapIostat(self, mock_subprocess):
global logger
checker = IO(logger)
results = checker.check({})
for res in results:
if res == 'sd1':
expected = 10
else:
expected = 0
self.assertEqual(results[res]['%util'], expected)
def testDiskLatency(self):
# example output from `iostat -d 1 2 -x -k` on
# debian testing x86_64, from Debian package
# [email protected]
debian_iostat_output = """Linux 3.2.0-2-amd64 (fireflyvm) 05/29/2012 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.44 2.58 5.79 2.84 105.53 639.03 172.57 0.17 19.38 1.82 55.26 0.66 0.57
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"""
global logger
checker = IO(logger)
results = checker._parse_linux2(debian_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'r_await', 'w_await',
'svctm', '%util'):
self.assertTrue(key in results['sda'],
'key %r not in results["sda"]' % key)
self.assertEqual(results['sda'][key], '0.00')
# example output from `iostat -d 1 d -x -k` on
# centos 5.8 x86_64, from RPM package
# [email protected]; it differs from the above by
# not having split-out r_await and w_await fields
centos_iostat_output = """Linux 2.6.18-308.el5 (localhost.localdomain) 05/29/2012
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 9.44 7.56 16.76 4.40 322.05 47.75 34.96 0.01 0.59 0.35 0.74
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"""
checker = IO(logger)
results = checker._parse_linux2(centos_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'svctm', '%util'):
self.assertTrue(key in results['sda'],
'key %r not in results["sda"]' % key)
self.assertEqual(results['sda'][key], '0.00')
# iostat -o -d -c 2 -w 1
# OS X 10.8.3 (internal SSD + USB flash attached)
darwin_iostat_output = """ disk0 disk1
KB/t tps MB/s KB/t tps MB/s
21.11 23 0.47 20.01 0 0.00
6.67 3 0.02 0.00 0 0.00
"""
checker = IO(logger)
results = checker._parse_darwin(darwin_iostat_output)
self.assertTrue("disk0" in results.keys())
self.assertTrue("disk1" in results.keys())
self.assertEqual(results["disk0"], {
'system.io.bytes_per_s': float(0.02 * 10**6),
})
self.assertEqual(results["disk1"], {
'system.io.bytes_per_s': float(0),
})
def testDiskLatency(self):
# example output from `iostat -d 1 2 -x -k` on
# debian testing x86_64, from Debian package
# [email protected]
debian_iostat_output = """Linux 3.2.0-2-amd64 (fireflyvm) 05/29/2012 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.44 2.58 5.79 2.84 105.53 639.03 172.57 0.17 19.38 1.82 55.26 0.66 0.57
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"""
global logger
checker = IO(logger)
results = checker._parse_linux2(debian_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'r_await',
'w_await', 'svctm', '%util'):
self.assertTrue(key in results['sda'], 'key %r not in results["sda"]' % key)
self.assertEqual(results['sda'][key], '0.00')
# example output from `iostat -d 1 d -x -k` on
# centos 5.8 x86_64, from RPM package
# [email protected]; it differs from the above by
# not having split-out r_await and w_await fields
centos_iostat_output = """Linux 2.6.18-308.el5 (localhost.localdomain) 05/29/2012
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 9.44 7.56 16.76 4.40 322.05 47.75 34.96 0.01 0.59 0.35 0.74
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"""
checker = IO(logger)
results = checker._parse_linux2(centos_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'svctm', '%util'):
self.assertTrue(key in results['sda'], 'key %r not in results["sda"]' % key)
self.assertEqual(results['sda'][key], '0.00')
# iostat -o -d -c 2 -w 1
# OS X 10.8.3 (internal SSD + USB flash attached)
darwin_iostat_output = """ disk0 disk1
KB/t tps MB/s KB/t tps MB/s
21.11 23 0.47 20.01 0 0.00
6.67 3 0.02 0.00 0 0.00
"""
checker = IO(logger)
results = checker._parse_darwin(darwin_iostat_output)
self.assertTrue("disk0" in results.keys())
self.assertTrue("disk1" in results.keys())
self.assertEqual(
results["disk0"],
{'system.io.bytes_per_s': float(0.02 * 2**20),}
)
self.assertEqual(
results["disk1"],
{'system.io.bytes_per_s': float(0),}
)
def testDiskLatency(self):
# example output from `iostat -d 1 2 -x -k` on
# debian testing x86_64, from Debian package
# [email protected]
debian_iostat_output = """Linux 3.2.0-2-amd64 (fireflyvm) 05/29/2012 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.44 2.58 5.79 2.84 105.53 639.03 172.57 0.17 19.38 1.82 55.26 0.66 0.57
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
"""
global logger
checker = IO(logger)
results = checker._parse_linux2(debian_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'r_await', 'w_await',
'svctm', '%util'):
self.assertTrue(key in results['sda'],
'key %r not in results["sda"]' % key)
if key == r'%util':
expected = 0.01
else:
expected = '0.00'
self.assertEqual(results['sda'][key], expected)
# example output from `iostat -d 1 2 -x -k` on
# ubuntu 18.04 x86_64, from deb package
# [email protected]; main breaking change is
# that header starts with `Device` instead of `Device:`.
newer_iostat_output = """Linux 4.9.60-linuxkit-aufs (f3cf72f6fb4d) 05/09/18 _x86_64_ (2 CPU)
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.07 0.08 0.64 5.44 0.00 0.23 0.41 72.99 2.42 19.91 0.00 8.92 65.13 0.38 0.01
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
"""
checker = IO(logger)
results = checker._parse_linux2(newer_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'r_await', 'w_await', 'svctm', '%util'):
self.assertTrue(key in results['sda'],
'key %r not in results["sda"]' % key)
if key == r'%util':
expected = 0.01
else:
expected = '0.00'
self.assertEqual(results['sda'][key], expected)
# example output from `iostat -d 1 d -x -k` on
# centos 5.8 x86_64, from RPM package
# [email protected]; it differs from the first one by
# not having split-out r_await and w_await fields
centos_iostat_output = """Linux 2.6.18-308.el5 (localhost.localdomain) 05/29/2012
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 9.44 7.56 16.76 4.40 322.05 47.75 34.96 0.01 0.59 0.35 0.74
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
"""
checker = IO(logger)
results = checker._parse_linux2(centos_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'svctm', '%util'):
self.assertTrue(key in results['sda'],
'key %r not in results["sda"]' % key)
if key == r'%util':
expected = 0.01
else:
expected = '0.00'
self.assertEqual(results['sda'][key], expected)
# iostat -o -d -c 2 -w 1
# OS X 10.8.3 (internal SSD + USB flash attached)
darwin_iostat_output = """ disk0 disk1
KB/t tps MB/s KB/t tps MB/s
21.11 23 0.47 20.01 0 0.00
6.67 3 0.02 0.00 0 0.00
"""
checker = IO(logger)
results = checker._parse_darwin(darwin_iostat_output)
self.assertTrue("disk0" in results.keys())
self.assertTrue("disk1" in results.keys())
self.assertEqual(results["disk0"], {
'system.io.bytes_per_s': float(0.02 * 2**20),
})
self.assertEqual(results["disk1"], {
'system.io.bytes_per_s': float(0),
})
linux_output_dashes = """Linux 3.13.0-32-generic (ubuntu-1204) 05/20/2016 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 5.77 8.20 7.79 30.08 320.67 219.91 28.55 0.05 1.32 1.53 1.27 0.32 1.20
dm-0 0.00 0.00 11.71 37.97 313.61 219.90 21.48 0.11 2.16 2.13 2.17 0.24 1.20
dm-1 0.00 0.00 0.08 0.00 0.32 0.00 8.00 0.00 1.68 1.68 0.00 1.07 0.01
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 1.00 0.00 4.00 8.00 0.00 0.00 0.00 0.00 0.00 0.00
dm-0 0.00 0.00 0.00 1.00 0.00 4.00 8.00 0.00 0.00 0.00 0.00 0.00 0.00
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"""
results = checker._parse_linux2(linux_output_dashes)
self.assertTrue(sorted(results.keys()) == ['dm-0', 'dm-1', 'sda'])
def testLinuxCapIostat(self):
# example output from `iostat -d 1 2 -x -k` on
# debian testing x86_64, from Debian package
# [email protected]
debian_iostat_output = """Linux 3.2.0-2-amd64 (fireflyvm) 05/29/2012 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.44 2.58 5.79 2.84 105.53 639.03 172.57 0.17 19.38 1.82 55.26 0.66 0.57
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.01
"""
global logger
checker = IO(logger)
results = checker._parse_linux2(debian_iostat_output)
self.assertTrue('sda' in results)
# Ensure that value is capped and return to 0 if it surpasses 100
expected = 0
self.assertEqual(results['sda']['%util'], expected)
# example output from `iostat -d 1 2 -x -k` on
# ubuntu 18.04 x86_64, from deb package
# [email protected]; main breaking change is
# that header starts with `Device` instead of `Device:`.
newer_iostat_output = """Linux 4.9.60-linuxkit-aufs (f3cf72f6fb4d) 05/09/18 _x86_64_ (2 CPU)
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.07 0.08 0.64 5.44 0.00 0.23 0.41 72.99 2.42 19.91 0.00 8.92 65.13 0.38 0.01
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 99.99
"""
checker = IO(logger)
results = checker._parse_linux2(newer_iostat_output)
self.assertTrue('sda' in results)
expected = 99.99
self.assertEqual(results['sda']['%util'], expected)
# example output from `iostat -d 1 d -x -k` on
# centos 5.8 x86_64, from RPM package
# [email protected]; it differs from the first one by
# not having split-out r_await and w_await fields
centos_iostat_output = """Linux 2.6.18-308.el5 (localhost.localdomain) 05/29/2012
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 9.44 7.56 16.76 4.40 322.05 47.75 34.96 0.01 0.59 0.35 0.74
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 102.01
"""
checker = IO(logger)
results = checker._parse_linux2(centos_iostat_output)
self.assertTrue('sda' in results)
# %util value is over 100, and value is set to 0
expected = 0
self.assertEqual(results['sda']['%util'], expected)
def testDiskLatency(self):
# example output from `iostat -d 1 2 -x -k` on
# debian testing x86_64, from Debian package
# [email protected]
debian_iostat_output = """Linux 3.2.0-2-amd64 (fireflyvm) 05/29/2012 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.44 2.58 5.79 2.84 105.53 639.03 172.57 0.17 19.38 1.82 55.26 0.66 0.57
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
"""
global logger
checker = IO(logger)
results = checker._parse_linux2(debian_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'r_await',
'w_await', 'svctm', '%util'):
self.assertTrue(key in results['sda'], 'key %r not in results["sda"]' % key)
if key == r'%util':
expected = 0.01
else:
expected = '0.00'
self.assertEqual(results['sda'][key], expected)
# example output from `iostat -d 1 2 -x -k` on
# ubuntu 18.04 x86_64, from deb package
# [email protected]; main breaking change is
# that header starts with `Device` instead of `Device:`.
newer_iostat_output = """Linux 4.9.60-linuxkit-aufs (f3cf72f6fb4d) 05/09/18 _x86_64_ (2 CPU)
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.07 0.08 0.64 5.44 0.00 0.23 0.41 72.99 2.42 19.91 0.00 8.92 65.13 0.38 0.01
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
"""
checker = IO(logger)
results = checker._parse_linux2(newer_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'r_await', 'w_await', 'svctm', '%util'):
self.assertTrue(key in results['sda'], 'key %r not in results["sda"]' % key)
if key == r'%util':
expected = 0.01
else:
expected = '0.00'
self.assertEqual(results['sda'][key], expected)
# example output from `iostat -d 1 d -x -k` on
# centos 5.8 x86_64, from RPM package
# [email protected]; it differs from the first one by
# not having split-out r_await and w_await fields
centos_iostat_output = """Linux 2.6.18-308.el5 (localhost.localdomain) 05/29/2012
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 9.44 7.56 16.76 4.40 322.05 47.75 34.96 0.01 0.59 0.35 0.74
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.01
"""
checker = IO(logger)
results = checker._parse_linux2(centos_iostat_output)
self.assertTrue('sda' in results)
for key in ('rrqm/s', 'wrqm/s', 'r/s', 'w/s', 'rkB/s', 'wkB/s',
'avgrq-sz', 'avgqu-sz', 'await', 'svctm', '%util'):
self.assertTrue(key in results['sda'], 'key %r not in results["sda"]' % key)
if key == r'%util':
expected = 0.01
else:
expected = '0.00'
self.assertEqual(results['sda'][key], expected)
# iostat -o -d -c 2 -w 1
# OS X 10.8.3 (internal SSD + USB flash attached)
darwin_iostat_output = """ disk0 disk1
KB/t tps MB/s KB/t tps MB/s
21.11 23 0.47 20.01 0 0.00
6.67 3 0.02 0.00 0 0.00
"""
checker = IO(logger)
results = checker._parse_darwin(darwin_iostat_output)
self.assertTrue("disk0" in results.keys())
self.assertTrue("disk1" in results.keys())
self.assertEqual(
results["disk0"],
{'system.io.bytes_per_s': float(0.02 * 2**20),}
)
self.assertEqual(
results["disk1"],
{'system.io.bytes_per_s': float(0),}
)
linux_output_dashes = """Linux 3.13.0-32-generic (ubuntu-1204) 05/20/2016 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 5.77 8.20 7.79 30.08 320.67 219.91 28.55 0.05 1.32 1.53 1.27 0.32 1.20
dm-0 0.00 0.00 11.71 37.97 313.61 219.90 21.48 0.11 2.16 2.13 2.17 0.24 1.20
dm-1 0.00 0.00 0.08 0.00 0.32 0.00 8.00 0.00 1.68 1.68 0.00 1.07 0.01
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 1.00 0.00 4.00 8.00 0.00 0.00 0.00 0.00 0.00 0.00
dm-0 0.00 0.00 0.00 1.00 0.00 4.00 8.00 0.00 0.00 0.00 0.00 0.00 0.00
dm-1 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00
"""
results = checker._parse_linux2(linux_output_dashes)
self.assertTrue(sorted(results.keys()) == ['dm-0', 'dm-1', 'sda'])
def testLinuxCapIostat(self):
# example output from `iostat -d 1 2 -x -k` on
# debian testing x86_64, from Debian package
# [email protected]
debian_iostat_output = """Linux 3.2.0-2-amd64 (fireflyvm) 05/29/2012 _x86_64_ (2 CPU)
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.44 2.58 5.79 2.84 105.53 639.03 172.57 0.17 19.38 1.82 55.26 0.66 0.57
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await r_await w_await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 100.01
"""
global logger
checker = IO(logger)
results = checker._parse_linux2(debian_iostat_output)
self.assertTrue('sda' in results)
# Ensure that value is capped and return to 0 if it surpasses 100
expected = 0
self.assertEqual(results['sda']['%util'], expected)
# example output from `iostat -d 1 2 -x -k` on
# ubuntu 18.04 x86_64, from deb package
# [email protected]; main breaking change is
# that header starts with `Device` instead of `Device:`.
newer_iostat_output = """Linux 4.9.60-linuxkit-aufs (f3cf72f6fb4d) 05/09/18 _x86_64_ (2 CPU)
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.07 0.08 0.64 5.44 0.00 0.23 0.41 72.99 2.42 19.91 0.00 8.92 65.13 0.38 0.01
Device r/s w/s rkB/s wkB/s rrqm/s wrqm/s %rrqm %wrqm r_await w_await aqu-sz rareq-sz wareq-sz svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 99.99
"""
checker = IO(logger)
results = checker._parse_linux2(newer_iostat_output)
self.assertTrue('sda' in results)
expected = 99.99
self.assertEqual(results['sda']['%util'], expected)
# example output from `iostat -d 1 d -x -k` on
# centos 5.8 x86_64, from RPM package
# [email protected]; it differs from the first one by
# not having split-out r_await and w_await fields
centos_iostat_output = """Linux 2.6.18-308.el5 (localhost.localdomain) 05/29/2012
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 9.44 7.56 16.76 4.40 322.05 47.75 34.96 0.01 0.59 0.35 0.74
Device: rrqm/s wrqm/s r/s w/s rkB/s wkB/s avgrq-sz avgqu-sz await svctm %util
sda 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 102.01
"""
checker = IO(logger)
results = checker._parse_linux2(centos_iostat_output)
self.assertTrue('sda' in results)
# %util value is over 100, and value is set to 0
expected = 0
self.assertEqual(results['sda']['%util'], expected)