/usr/lib/python3/dist-packages/glances/plugins/glances_processlist.py is in glances 2.1.1-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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#
# This file is part of Glances.
#
# Copyright (C) 2014 Nicolargo <nicolas@nicolargo.com>
#
# Glances is free software; you can redistribute it and/or modify
# it under the terms of the GNU Lesser General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# Glances is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""Process list plugin."""
# Import sys libs
import os
from datetime import timedelta
# Import Glances libs
from glances.core.glances_globals import glances_processes, is_linux, is_bsd, is_mac, is_windows, logger
from glances.plugins.glances_plugin import GlancesPlugin
class Plugin(GlancesPlugin):
"""Glances' processes plugin.
stats is a list
"""
def __init__(self, args=None):
"""Init the plugin."""
GlancesPlugin.__init__(self, args=args)
# We want to display the stat in the curse interface
self.display_curse = True
# Note: 'glances_processes' is already init in the glances_processes.py script
def reset(self):
"""Reset/init the stats."""
self.stats = []
def update(self):
"""Update processes stats using the input method."""
# Reset stats
self.reset()
if self.get_input() == 'local':
# Update stats using the standard system lib
# Note: Update is done in the processcount plugin
# Just return the processes list
self.stats = glances_processes.getlist()
elif self.get_input() == 'snmp':
# No SNMP grab for processes
pass
return self.stats
def msg_curse(self, args=None):
"""Return the dict to display in the curse interface."""
# Init the return message
ret = []
# Only process if stats exist and display plugin enable...
if self.stats == [] or args.disable_process:
return ret
# Compute the sort key
if glances_processes.getmanualsortkey() is None:
process_sort_key = glances_processes.getautosortkey()
else:
process_sort_key = glances_processes.getmanualsortkey()
sort_style = 'SORT'
# Header
msg = '{0:>6}'.format(_("CPU%"))
ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'cpu_percent' else 'DEFAULT'))
msg = '{0:>6}'.format(_("MEM%"))
ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'memory_percent' else 'DEFAULT'))
msg = '{0:>6}'.format(_("VIRT"))
ret.append(self.curse_add_line(msg, optional=True))
msg = '{0:>6}'.format(_("RES"))
ret.append(self.curse_add_line(msg, optional=True))
msg = '{0:>6}'.format(_("PID"))
ret.append(self.curse_add_line(msg))
msg = ' {0:10}'.format(_("USER"))
ret.append(self.curse_add_line(msg))
msg = '{0:>4}'.format(_("NI"))
ret.append(self.curse_add_line(msg))
msg = '{0:>2}'.format(_("S"))
ret.append(self.curse_add_line(msg))
msg = '{0:>9}'.format(_("TIME+"))
ret.append(self.curse_add_line(msg, optional=True))
msg = '{0:>6}'.format(_("IOR/s"))
ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'io_counters' else 'DEFAULT', optional=True, additional=True))
msg = '{0:>6}'.format(_("IOW/s"))
ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'io_counters' else 'DEFAULT', optional=True, additional=True))
msg = ' {0:8}'.format(_("Command"))
ret.append(self.curse_add_line(msg))
# Trying to display proc time
tag_proc_time = True
# Loop over processes (sorted by the sort key previously compute)
first = True
for p in self.sortlist(process_sort_key):
ret.append(self.curse_new_line())
# CPU
if 'cpu_percent' in p and p['cpu_percent'] is not None and p['cpu_percent'] != '':
msg = '{0:>6.1f}'.format(p['cpu_percent'])
ret.append(self.curse_add_line(msg,
self.get_alert(p['cpu_percent'], header="cpu")))
else:
msg = '{0:>6}'.format('?')
ret.append(self.curse_add_line(msg))
# MEM
if 'memory_percent' in p and p['memory_percent'] is not None and p['memory_percent'] != '':
msg = '{0:>6.1f}'.format(p['memory_percent'])
ret.append(self.curse_add_line(msg,
self.get_alert(p['memory_percent'], header="mem")))
else:
msg = '{0:>6}'.format('?')
ret.append(self.curse_add_line(msg))
# VMS/RSS
if 'memory_info' in p and p['memory_info'] is not None and p['memory_info'] != '':
# VMS
msg = '{0:>6}'.format(self.auto_unit(p['memory_info'][1], low_precision=False))
ret.append(self.curse_add_line(msg, optional=True))
# RSS
msg = '{0:>6}'.format(self.auto_unit(p['memory_info'][0], low_precision=False))
ret.append(self.curse_add_line(msg, optional=True))
else:
msg = '{0:>6}'.format('?')
ret.append(self.curse_add_line(msg))
ret.append(self.curse_add_line(msg))
# PID
msg = '{0:>6}'.format(p['pid'])
ret.append(self.curse_add_line(msg))
# USER
if 'username' in p:
# docker internal users are displayed as ints only, therefore str()
msg = ' {0:9}'.format(str(p['username'])[:9])
ret.append(self.curse_add_line(msg))
else:
msg = ' {0:9}'.format('?')
ret.append(self.curse_add_line(msg))
# NICE
if 'nice' in p:
nice = p['nice']
if nice is None:
nice = '?'
msg = '{0:>5}'.format(nice)
if isinstance(nice, int) and ((is_windows and nice != 32) or
(not is_windows and nice != 0)):
ret.append(self.curse_add_line(msg, decoration='NICE'))
else:
ret.append(self.curse_add_line(msg))
else:
msg = '{0:>5}'.format('?')
ret.append(self.curse_add_line(msg))
# STATUS
if 'status' in p:
status = p['status']
msg = '{0:>2}'.format(status)
if status == 'R':
ret.append(self.curse_add_line(msg, decoration='STATUS'))
else:
ret.append(self.curse_add_line(msg))
else:
msg = '{0:>2}'.format('?')
ret.append(self.curse_add_line(msg))
# TIME+
if tag_proc_time:
try:
dtime = timedelta(seconds=sum(p['cpu_times']))
except Exception:
# Catched on some Amazon EC2 server
# See https://github.com/nicolargo/glances/issues/87
tag_proc_time = False
else:
msg = '{0}:{1}.{2}'.format(str(dtime.seconds // 60 % 60),
str(dtime.seconds % 60).zfill(2),
str(dtime.microseconds)[:2].zfill(2))
else:
msg = ' '
msg = '{0:>9}'.format(msg)
ret.append(self.curse_add_line(msg, optional=True))
# IO read/write
if 'io_counters' in p:
# IO read
io_rs = (p['io_counters'][0] - p['io_counters'][2]) / p['time_since_update']
if io_rs == 0:
msg = '{0:>6}'.format("0")
else:
msg = '{0:>6}'.format(self.auto_unit(io_rs, low_precision=False))
ret.append(self.curse_add_line(msg, optional=True, additional=True))
# IO write
io_ws = (p['io_counters'][1] - p['io_counters'][3]) / p['time_since_update']
if io_ws == 0:
msg = '{0:>6}'.format("0")
else:
msg = '{0:>6}'.format(self.auto_unit(io_ws, low_precision=False))
ret.append(self.curse_add_line(msg, optional=True, additional=True))
else:
msg = '{0:>6}'.format("?")
ret.append(self.curse_add_line(msg, optional=True, additional=True))
ret.append(self.curse_add_line(msg, optional=True, additional=True))
# Command line
# If no command line for the process is available, fallback to
# the bare process name instead
cmdline = p['cmdline']
if cmdline == "" or args.process_short_name:
msg = ' {0}'.format(p['name'])
ret.append(self.curse_add_line(msg, splittable=True))
else:
try:
cmd = cmdline.split()[0]
argument = ' '.join(cmdline.split()[1:])
path, basename = os.path.split(cmd)
if os.path.isdir(path):
msg = ' {0}'.format(path) + os.sep
ret.append(self.curse_add_line(msg, splittable=True))
ret.append(self.curse_add_line(basename, decoration='PROCESS', splittable=True))
else:
msg = ' {0}'.format(basename)
ret.append(self.curse_add_line(msg, decoration='PROCESS', splittable=True))
msg = " {0}".format(argument)
ret.append(self.curse_add_line(msg, splittable=True))
except UnicodeEncodeError:
ret.append(self.curse_add_line("", splittable=True))
# Add extended stats but only for the top processes
# !!! CPU consumption ???
# TODO: extended stats into the web interface
if first and 'extended_stats' in p:
# Left padding
xpad = ' ' * 13
# First line is CPU affinity
if 'cpu_affinity' in p and p['cpu_affinity'] is not None:
ret.append(self.curse_new_line())
msg = xpad + _('CPU affinity: ') + str(len(p['cpu_affinity'])) + _(' cores')
ret.append(self.curse_add_line(msg, splittable=True))
# Second line is memory info
if 'memory_info_ex' in p and p['memory_info_ex'] is not None:
ret.append(self.curse_new_line())
msg = xpad + _('Memory info: ')
for k, v in p['memory_info_ex']._asdict().items():
# Ignore rss and vms (already displayed)
if k not in ['rss', 'vms'] and v is not None:
msg += k + ' ' + self.auto_unit(v, low_precision=False) + ' '
if 'memory_swap' in p and p['memory_swap'] is not None:
msg += _('swap ') + self.auto_unit(p['memory_swap'], low_precision=False)
ret.append(self.curse_add_line(msg, splittable=True))
# Third line is for openned files/network sessions
ret.append(self.curse_new_line())
msg = xpad + _('Openned: ')
if 'num_threads' in p and p['num_threads'] is not None:
msg += _('threads ') + str(p['num_threads']) + ' '
if 'num_fds' in p and p['num_fds'] is not None:
msg += _('files ') + str(p['num_fds']) + ' '
if 'num_handles' in p and p['num_handles'] is not None:
msg += _('handles ') + str(p['num_handles']) + ' '
if 'tcp' in p and p['tcp'] is not None:
msg += _('TCP ') + str(p['tcp']) + ' '
if 'udp' in p and p['udp'] is not None:
msg += _('UDP ') + str(p['udp']) + ' '
ret.append(self.curse_add_line(msg, splittable=True))
# Fouth line is IO nice level (only Linux and Windows OS)
if 'ionice' in p and p['ionice'] is not None:
ret.append(self.curse_new_line())
msg = xpad + _('IO nice: ')
k = _('Class is ')
v = p['ionice'].ioclass
# Linux: The scheduling class. 0 for none, 1 for real time, 2 for best-effort, 3 for idle.
# Windows: On Windows only ioclass is used and it can be set to 2 (normal), 1 (low) or 0 (very low).
if is_windows:
if v == 0:
msg += k + 'Very Low'
elif v == 1:
msg += k + 'Low'
elif v == 2:
msg += _('No specific I/O priority')
else:
msg += k + str(v)
else:
if v == 0:
msg += _('No specific I/O priority')
elif v == 1:
msg += k + 'Real Time'
elif v == 2:
msg += k + 'Best Effort'
elif v == 3:
msg += k + 'IDLE'
else:
msg += k + str(v)
# value is a number which goes from 0 to 7.
# The higher the value, the lower the I/O priority of the process.
if hasattr(p['ionice'], 'value') and p['ionice'].value != 0:
msg += _(' (value %s/7)') % str(p['ionice'].value)
ret.append(self.curse_add_line(msg, splittable=True))
# End of extended stats
first = False
# Return the message with decoration
return ret
def sortlist(self, sortedby=None):
"""Return the stats sorted by sortedby variable."""
if sortedby is None:
# No need to sort...
return self.stats
sortedreverse = True
if sortedby == 'name':
sortedreverse = False
if sortedby == 'io_counters':
# Specific case for io_counters
# Sum of io_r + io_w
try:
# Sort process by IO rate (sum IO read + IO write)
listsorted = sorted(self.stats,
key=lambda process: process[sortedby][0] -
process[sortedby][2] + process[sortedby][1] -
process[sortedby][3],
reverse=sortedreverse)
except Exception:
listsorted = sorted(self.stats,
key=lambda process: process['cpu_percent'],
reverse=sortedreverse)
else:
# Others sorts
try:
listsorted = sorted(self.stats,
key=lambda process: process[sortedby],
reverse=sortedreverse)
except (KeyError, TypeError):
listsorted = sorted(self.stats,
key=lambda process: process['name'],
reverse=False)
self.stats = listsorted
return self.stats
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