def disk_io_counters(perdisk=False):
"""Return system disk I/O statistics as a namedtuple including:
- number of bytes read
- number of bytes written
- number of reads
- number of writes
- time spent reading from disk (in nanoseconds)
- time spent writing to disk (in nanoseconds)
If perdisk is True return the same information for every
physical disk installed on the system as a dictionary
with partition names as the keys and the namedutuple
described above as the values.
"""
from psutil._common import ntuple_disk_iostat
rawdict = _psplatform.disk_io_counters()
if perdisk:
for disk, fields in rawdict.iteritems():
rawdict[disk] = ntuple_disk_iostat(*fields)
return rawdict
else:
reads, writes, rbytes, wbytes, rtime, wtime = 0, 0, 0, 0, 0, 0
for _, fields in rawdict.iteritems():
reads += fields[0]
writes += fields[1]
rbytes += fields[2]
wbytes += fields[3]
rtime += fields[4]
wtime += fields[5]
return ntuple_disk_iostat(reads, writes, rbytes, wbytes, rtime,
wtime)
def disk_io_counters(perdisk=False):
"""Return system disk I/O statistics as a namedtuple including
the following attributes:
- read_count: number of reads
- write_count: number of writes
- read_bytes: number of bytes read
- write_bytes: number of bytes written
- read_time: time spent reading from disk (in milliseconds)
- write_time: time spent writing to disk (in milliseconds)
If perdisk is True return the same information for every
physical disk installed on the system as a dictionary
with partition names as the keys and the namedutuple
described above as the values.
"""
rawdict = _psplatform.disk_io_counters()
if not rawdict:
raise RuntimeError("couldn't find any physical disk")
if perdisk:
for disk, fields in rawdict.items():
rawdict[disk] = _nt_disk_iostat(*fields)
return rawdict
else:
return _nt_disk_iostat(*[sum(x) for x in zip(*rawdict.values())])
def disk_io_counters(perdisk=False):
"""Return system disk I/O statistics as a namedtuple including
the following attributes:
- read_count: number of reads
- write_count: number of writes
- read_bytes: number of bytes read
- write_bytes: number of bytes written
- read_time: time spent reading from disk (in milliseconds)
- write_time: time spent writing to disk (in milliseconds)
If perdisk is True return the same information for every
physical disk installed on the system as a dictionary
with partition names as the keys and the namedutuple
described above as the values.
On recent Windows versions 'diskperf -y' command may need to be
executed first otherwise this function won't find any disk.
"""
rawdict = _psplatform.disk_io_counters()
if not rawdict:
raise RuntimeError("couldn't find any physical disk")
if perdisk:
for disk, fields in rawdict.items():
rawdict[disk] = _nt_disk_iostat(*fields)
return rawdict
else:
return _nt_disk_iostat(*[sum(x) for x in zip(*rawdict.values())])
def disk_io_counters(perdisk=False):
"""Return system disk I/O statistics as a namedtuple including:
- number of bytes read
- number of bytes written
- number of reads
- number of writes
- time spent reading from disk (in nanoseconds)
- time spent writing to disk (in nanoseconds)
If perdisk is True return the same information for every
physical disk installed on the system as a dictionary
with partition names as the keys and the namedutuple
described above as the values.
"""
from psutil._common import ntuple_disk_iostat
rawdict = _psplatform.disk_io_counters()
if perdisk:
for disk, fields in rawdict.iteritems():
rawdict[disk] = ntuple_disk_iostat(*fields)
return rawdict
else:
reads, writes, rbytes, wbytes, rtime, wtime = 0, 0, 0, 0, 0, 0
for _, fields in rawdict.iteritems():
reads += fields[0]
writes += fields[1]
rbytes += fields[2]
wbytes += fields[3]
rtime += fields[4]
wtime += fields[5]
return ntuple_disk_iostat(reads, writes, rbytes, wbytes, rtime, wtime)
