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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# SPDX-FileCopyrightText: 2022 Nicolas Hennion <nicolas@nicolargo.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""Process count plugin."""
from glances.processes import glances_processes, sort_for_human
from glances.plugins.glances_plugin import GlancesPlugin
# Define the history items list
items_history_list = [
{'name': 'total', 'description': 'Total number of processes', 'y_unit': ''},
{'name': 'running', 'description': 'Total number of running processes', 'y_unit': ''},
{'name': 'sleeping', 'description': 'Total number of sleeping processes', 'y_unit': ''},
{'name': 'thread', 'description': 'Total number of threads', 'y_unit': ''},
]
class Plugin(GlancesPlugin):
"""Glances process count plugin.
stats is a list
"""
def __init__(self, args=None, config=None):
"""Init the plugin."""
super(Plugin, self).__init__(args=args, config=config, items_history_list=items_history_list)
# 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 enable_extended(self):
"""Enable extended stats."""
glances_processes.enable_extended()
def disable_extended(self):
"""Disable extended stats."""
glances_processes.disable_extended()
@GlancesPlugin._check_decorator
@GlancesPlugin._log_result_decorator
def update(self):
"""Update processes stats using the input method."""
# Init new stats
stats = self.get_init_value()
if self.input_method == 'local':
# Update stats using the standard system lib
# Here, update is call for processcount AND processlist
glances_processes.update()
# Return the processes count
stats = glances_processes.get_count()
elif self.input_method == 'snmp':
# Update stats using SNMP
# Not available
pass
# Update the stats
self.stats = stats
return self.stats
def msg_curse(self, args=None, max_width=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 args.disable_process:
msg = "PROCESSES DISABLED (press 'z' to display)"
ret.append(self.curse_add_line(msg))
return ret
if not self.stats:
return ret
# Display the filter (if it exists)
if glances_processes.process_filter is not None:
msg = 'Processes filter:'
ret.append(self.curse_add_line(msg, "TITLE"))
msg = ' {} '.format(glances_processes.process_filter)
if glances_processes.process_filter_key is not None:
msg += 'on column {} '.format(glances_processes.process_filter_key)
ret.append(self.curse_add_line(msg, "FILTER"))
msg = '(\'ENTER\' to edit, \'E\' to reset)'
ret.append(self.curse_add_line(msg))
ret.append(self.curse_new_line())
# Build the string message
# Header
msg = 'TASKS'
ret.append(self.curse_add_line(msg, "TITLE"))
# Compute processes
other = self.stats['total']
msg = '{:>4}'.format(self.stats['total'])
ret.append(self.curse_add_line(msg))
if 'thread' in self.stats:
msg = ' ({} thr),'.format(self.stats['thread'])
ret.append(self.curse_add_line(msg))
if 'running' in self.stats:
other -= self.stats['running']
msg = ' {} run,'.format(self.stats['running'])
ret.append(self.curse_add_line(msg))
if 'sleeping' in self.stats:
other -= self.stats['sleeping']
msg = ' {} slp,'.format(self.stats['sleeping'])
ret.append(self.curse_add_line(msg))
msg = ' {} oth '.format(other)
ret.append(self.curse_add_line(msg))
# Display sort information
msg = 'Programs' if self.args.programs else 'Threads'
try:
sort_human = sort_for_human[glances_processes.sort_key]
except KeyError:
sort_human = glances_processes.sort_key
if glances_processes.auto_sort:
msg += ' sorted automatically'
ret.append(self.curse_add_line(msg))
msg = ' by {}'.format(sort_human)
else:
msg += ' sorted by {}'.format(sort_human)
ret.append(self.curse_add_line(msg))
# Return the message with decoration
return ret