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# This file is part of Glances. |
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# |
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# SPDX-FileCopyrightText: 2024 Nicolas Hennion <[email protected]> |
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# |
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# SPDX-License-Identifier: LGPL-3.0-only |
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# |
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"""Program list plugin.""" |
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import copy |
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from glances.plugins.processlist import ProcesslistPlugin |
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from glances.processes import glances_processes |
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# Fields description |
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# description: human readable description |
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# short_name: shortname to use un UI |
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# unit: unit type |
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# rate: if True then compute and add *_gauge and *_rate_per_is fields |
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# min_symbol: Auto unit should be used if value > than 1 'X' (K, M, G)... |
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fields_description = { |
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'name': { |
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'description': 'Process name', |
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'unit': 'string', |
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}, |
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'cmdline': { |
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'description': 'Command line with arguments', |
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'unit': 'list', |
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}, |
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'username': { |
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'description': 'Process owner', |
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'unit': 'string', |
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}, |
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'nprocs': { |
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'description': 'Number of children processes', |
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'unit': 'number', |
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}, |
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'num_threads': { |
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'description': 'Number of threads', |
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'unit': 'number', |
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}, |
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'cpu_percent': { |
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'description': 'Process CPU consumption', |
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'unit': 'percent', |
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}, |
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'memory_percent': { |
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'description': 'Process memory consumption', |
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'unit': 'percent', |
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}, |
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'memory_info': { |
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'description': 'Process memory information (dict with rss, vms, shared, text, lib, data, dirty keys)', |
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'unit': 'byte', |
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}, |
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'status': { |
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'description': 'Process status', |
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'unit': 'string', |
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}, |
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'nice': { |
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'description': 'Process nice value', |
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'unit': 'number', |
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}, |
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'cpu_times': { |
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'description': 'Process CPU times (dict with user, system, iowait keys)', |
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'unit': 'second', |
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}, |
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'gids': { |
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'description': 'Process group IDs (dict with real, effective, saved keys)', |
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'unit': 'number', |
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}, |
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'io_counters': { |
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'description': 'Process IO counters (list with read_count, write_count, read_bytes, write_bytes, io_tag keys)', |
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'unit': 'byte', |
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}, |
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} |
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class ProgramlistPlugin(ProcesslistPlugin): |
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"""Glances' processes plugin. |
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stats is a list |
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""" |
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# Default list of processes stats to be grabbed / displayed |
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# Can be altered by glances_processes.disable_stats |
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enable_stats = [ |
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'cpu_percent', |
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'memory_percent', |
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'memory_info', # vms and rss |
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'nprocs', |
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'username', |
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'cpu_times', |
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'num_threads', |
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'nice', |
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'status', |
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'io_counters', # ior and iow |
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'cmdline', |
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] |
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# Define the header layout of the processes list columns |
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layout_header = { |
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'cpu': '{:<6} ', |
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'mem': '{:<5} ', |
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'virt': '{:<5} ', |
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'res': '{:<5} ', |
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'nprocs': '{:>7} ', |
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'user': '{:<10} ', |
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'time': '{:>8} ', |
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'thread': '{:<3} ', |
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'nice': '{:>3} ', |
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'status': '{:>1} ', |
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'ior': '{:>4} ', |
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'iow': '{:<4} ', |
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'command': '{} {}', |
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} |
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# Define the stat layout of the processes list columns |
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layout_stat = { |
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'cpu': '{:<6.1f}', |
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'cpu_no_digit': '{:<6.0f}', |
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'mem': '{:<5.1f} ', |
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'virt': '{:<5} ', |
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'res': '{:<5} ', |
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'nprocs': '{:>7} ', |
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'user': '{:<10} ', |
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'time': '{:>8} ', |
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'thread': '{:<3} ', |
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'nice': '{:>3} ', |
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'status': '{:>1} ', |
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'ior': '{:>4} ', |
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'iow': '{:<4} ', |
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'command': '{}', |
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'name': '[{}]', |
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} |
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def __init__(self, args=None, config=None): |
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"""Init the plugin.""" |
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super().__init__(args=args, config=config) |
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def get_key(self): |
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"""Return the key of the list.""" |
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return 'name' |
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def update(self): |
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"""Update processes stats using the input method.""" |
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# Update the stats |
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if self.input_method == 'local': |
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# Update stats using the standard system lib |
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# Note: Update is done in the processcount plugin |
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# Just return the result |
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stats = glances_processes.get_list(as_programs=True) |
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else: |
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stats = self.get_init_value() |
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# Get the max values (dict) |
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# Use Deep copy to avoid change between update and display |
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self.max_values = copy.deepcopy(glances_processes.max_values()) |
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# Update the stats |
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self.stats = stats |
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return self.stats |
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def _get_process_curses_nprocs(self, p, selected, args): |
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"""Return process NPROCS curses""" |
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# Display the number of children processes |
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msg = self.layout_stat['nprocs'].format(p['nprocs']) |
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return self.curse_add_line(msg) |
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def _msg_curse_header(self, ret, process_sort_key, args=None): |
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"""Build the header and add it to the ret dict.""" |
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sort_style = 'SORT' |
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display_stats = [i for i in self.enable_stats if i not in glances_processes.disable_stats] |
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if 'cpu_percent' in display_stats: |
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if args.disable_irix and 0 < self.nb_log_core < 10: |
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msg = self.layout_header['cpu'].format('CPU%/' + str(self.nb_log_core)) |
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elif args.disable_irix and self.nb_log_core != 0: |
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msg = self.layout_header['cpu'].format('CPU%/C') |
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else: |
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msg = self.layout_header['cpu'].format('CPU%') |
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ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'cpu_percent' else 'DEFAULT')) |
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if 'memory_percent' in display_stats: |
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msg = self.layout_header['mem'].format('MEM%') |
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ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'memory_percent' else 'DEFAULT')) |
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if 'memory_info' in display_stats: |
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msg = self.layout_header['virt'].format('VIRT') |
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ret.append(self.curse_add_line(msg, optional=True)) |
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msg = self.layout_header['res'].format('RES') |
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ret.append(self.curse_add_line(msg, optional=True)) |
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if 'nprocs' in display_stats: |
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msg = self.layout_header['nprocs'].format('NPROCS') |
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ret.append(self.curse_add_line(msg)) |
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if 'username' in display_stats: |
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msg = self.layout_header['user'].format('USER') |
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ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'username' else 'DEFAULT')) |
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if 'cpu_times' in display_stats: |
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msg = self.layout_header['time'].format('TIME+') |
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ret.append( |
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self.curse_add_line(msg, sort_style if process_sort_key == 'cpu_times' else 'DEFAULT', optional=True) |
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) |
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if 'num_threads' in display_stats: |
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msg = self.layout_header['thread'].format('THR') |
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ret.append(self.curse_add_line(msg)) |
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if 'nice' in display_stats: |
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msg = self.layout_header['nice'].format('NI') |
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ret.append(self.curse_add_line(msg)) |
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if 'status' in display_stats: |
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msg = self.layout_header['status'].format('S') |
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ret.append(self.curse_add_line(msg)) |
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View Code Duplication |
if 'io_counters' in display_stats: |
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msg = self.layout_header['ior'].format('R/s') |
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ret.append( |
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self.curse_add_line( |
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msg, sort_style if process_sort_key == 'io_counters' else 'DEFAULT', optional=True, additional=True |
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) |
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) |
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msg = self.layout_header['iow'].format('W/s') |
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ret.append( |
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self.curse_add_line( |
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msg, sort_style if process_sort_key == 'io_counters' else 'DEFAULT', optional=True, additional=True |
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) |
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) |
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if args.is_standalone and not args.disable_cursor: |
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shortkey = "('k' to kill)" |
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else: |
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shortkey = "" |
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if 'cmdline' in display_stats: |
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msg = self.layout_header['command'].format("Programs", shortkey) |
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ret.append(self.curse_add_line(msg, sort_style if process_sort_key == 'name' else 'DEFAULT')) |
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View Code Duplication |
def _msg_curse_sum(self, ret, sep_char='_', mmm=None, args=None): |
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""" |
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Build the sum message (only when filter is on) and add it to the ret dict. |
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:param ret: list of string where the message is added |
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:param sep_char: define the line separation char |
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:param mmm: display min, max, mean or current (if mmm=None) |
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:param args: Glances args |
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""" |
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ret.append(self.curse_new_line()) |
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if mmm is None: |
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ret.append(self.curse_add_line(sep_char * 69)) |
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ret.append(self.curse_new_line()) |
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# CPU percent sum |
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msg = ' ' |
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msg += self.layout_stat['cpu'].format(self._sum_stats('cpu_percent', mmm=mmm)) |
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ret.append(self.curse_add_line(msg, decoration=self._mmm_deco(mmm))) |
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# MEM percent sum |
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msg = self.layout_stat['mem'].format(self._sum_stats('memory_percent', mmm=mmm)) |
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ret.append(self.curse_add_line(msg, decoration=self._mmm_deco(mmm))) |
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# VIRT and RES memory sum |
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if ( |
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'memory_info' in self.stats[0] |
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and self.stats[0]['memory_info'] is not None |
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and self.stats[0]['memory_info'] != '' |
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): |
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# VMS |
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msg = self.layout_stat['virt'].format( |
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self.auto_unit(self._sum_stats('memory_info', sub_key='vms', mmm=mmm), low_precision=False) |
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) |
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ret.append(self.curse_add_line(msg, decoration=self._mmm_deco(mmm), optional=True)) |
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# RSS |
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msg = self.layout_stat['res'].format( |
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self.auto_unit(self._sum_stats('memory_info', sub_key='rss', mmm=mmm), low_precision=False) |
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) |
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ret.append(self.curse_add_line(msg, decoration=self._mmm_deco(mmm), optional=True)) |
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else: |
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msg = self.layout_header['virt'].format('') |
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ret.append(self.curse_add_line(msg)) |
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msg = self.layout_header['res'].format('') |
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ret.append(self.curse_add_line(msg)) |
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# PID |
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msg = self.layout_header['nprocs'].format('') |
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ret.append(self.curse_add_line(msg)) |
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# USER |
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msg = self.layout_header['user'].format('') |
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ret.append(self.curse_add_line(msg)) |
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# TIME+ |
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msg = self.layout_header['time'].format('') |
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ret.append(self.curse_add_line(msg, optional=True)) |
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# THREAD |
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msg = self.layout_header['thread'].format('') |
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ret.append(self.curse_add_line(msg)) |
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# NICE |
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msg = self.layout_header['nice'].format('') |
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ret.append(self.curse_add_line(msg)) |
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# STATUS |
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msg = self.layout_header['status'].format('') |
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ret.append(self.curse_add_line(msg)) |
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# IO read/write |
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if 'io_counters' in self.stats[0] and mmm is None: |
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# IO read |
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io_rs = int( |
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|
|
(self._sum_stats('io_counters', 0) - self._sum_stats('io_counters', sub_key=2, mmm=mmm)) |
|
298
|
|
|
/ self.stats[0]['time_since_update'] |
|
299
|
|
|
) |
|
300
|
|
|
if io_rs == 0: |
|
301
|
|
|
msg = self.layout_stat['ior'].format('0') |
|
302
|
|
|
else: |
|
303
|
|
|
msg = self.layout_stat['ior'].format(self.auto_unit(io_rs, low_precision=True)) |
|
304
|
|
|
ret.append(self.curse_add_line(msg, decoration=self._mmm_deco(mmm), optional=True, additional=True)) |
|
305
|
|
|
# IO write |
|
306
|
|
|
io_ws = int( |
|
307
|
|
|
(self._sum_stats('io_counters', 1) - self._sum_stats('io_counters', sub_key=3, mmm=mmm)) |
|
308
|
|
|
/ self.stats[0]['time_since_update'] |
|
309
|
|
|
) |
|
310
|
|
|
if io_ws == 0: |
|
311
|
|
|
msg = self.layout_stat['iow'].format('0') |
|
312
|
|
|
else: |
|
313
|
|
|
msg = self.layout_stat['iow'].format(self.auto_unit(io_ws, low_precision=True)) |
|
314
|
|
|
ret.append(self.curse_add_line(msg, decoration=self._mmm_deco(mmm), optional=True, additional=True)) |
|
315
|
|
|
else: |
|
316
|
|
|
msg = self.layout_header['ior'].format('') |
|
317
|
|
|
ret.append(self.curse_add_line(msg, optional=True, additional=True)) |
|
318
|
|
|
msg = self.layout_header['iow'].format('') |
|
319
|
|
|
ret.append(self.curse_add_line(msg, optional=True, additional=True)) |
|
320
|
|
|
if mmm is None: |
|
321
|
|
|
msg = '< {}'.format('current') |
|
322
|
|
|
ret.append(self.curse_add_line(msg, optional=True)) |
|
323
|
|
|
else: |
|
324
|
|
|
msg = f'< {mmm}' |
|
325
|
|
|
ret.append(self.curse_add_line(msg, optional=True)) |
|
326
|
|
|
msg = '(\'M\' to reset)' |
|
327
|
|
|
ret.append(self.curse_add_line(msg, optional=True)) |
|
328
|
|
|
|