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# -*- coding: utf-8 -*-
#
# This file is part of Glances.
#
# Copyright (C) 2020 Kirby Banman <kirby.banman@gmail.com>
# Copyright (C) 2024 Nicolas Hennion <nicolashennion@gmail.com>
#
# SPDX-License-Identifier: LGPL-3.0-only
#
"""GPU plugin for Glances.
Currently supported:
- NVIDIA GPU (need pynvml lib)
- AMD GPU (no lib needed)
"""
from glances.logger import logger
from glances.globals import to_fahrenheit
from glances.plugins.gpu.cards.nvidia import NvidiaGPU
from glances.plugins.gpu.cards.amd import AmdGPU
from glances.plugins.plugin.model import GlancesPluginModel
# Fields description
# description: human readable description
# short_name: shortname to use un UI
# unit: unit type
# rate: is it a rate ? If yes, // by time_since_update when displayed,
# min_symbol: Auto unit should be used if value > than 1 'X' (K, M, G)...
fields_description = {
'gpu_id': {
'description': 'GPU identification',
},
'name': {
'description': 'GPU name',
},
'mem': {
'description': 'Memory consumption',
'unit': 'percent',
},
'proc': {
'description': 'GPU processor consumption',
'unit': 'percent',
},
'temperature': {
'description': 'GPU temperature',
'unit': 'celsius',
},
'fan_speed': {
'description': 'GPU fan speed',
'unit': 'roundperminute',
},
}
# Define the history items list
# All items in this list will be historised if the --enable-history tag is set
items_history_list = [
{'name': 'proc', 'description': 'GPU processor', 'y_unit': '%'},
{'name': 'mem', 'description': 'Memory consumption', 'y_unit': '%'},
]
class PluginModel(GlancesPluginModel):
"""Glances GPU plugin.
stats is a list of dictionaries with one entry per GPU
"""
def __init__(self, args=None, config=None):
"""Init the plugin."""
super(PluginModel, self).__init__(
args=args, config=config,
items_history_list=items_history_list,
stats_init_value=[],
fields_description=fields_description
)
# Init the GPU API
self.nvidia = NvidiaGPU()
self.amd = AmdGPU()
# Just for test purpose (uncomment to test on computer without AMD GPU)
# self.amd = AmdGPU(drm_root_folder='./test-data/plugins/gpu/amd/sys/class/drm')
# We want to display the stat in the curse interface
self.display_curse = True
def exit(self):
"""Overwrite the exit method to close the GPU API."""
self.nvidia.exit()
self.amd.exit()
# Call the father exit method
super(PluginModel, self).exit()
def get_key(self):
"""Return the key of the list."""
return 'gpu_id'
@GlancesPluginModel._check_decorator
@GlancesPluginModel._log_result_decorator
def update(self):
"""Update the GPU stats."""
# Init new stats
stats = self.get_init_value()
# Get the stats
stats.extend(self.nvidia.get_device_stats())
stats.extend(self.amd.get_device_stats())
# !!!
# Uncomment to test on computer without GPU
# One GPU sample:
# stats = [
# {
# "key": "gpu_id",
# "gpu_id": "nvidia0",
# "name": "Fake GeForce GTX",
# "mem": 5.792331695556641,
# "proc": 4,
# "temperature": 26,
# "fan_speed": 30
# }
# ]
# Two GPU sample:
# stats = [
# {
# "key": "gpu_id",
# "gpu_id": "nvidia0",
# "name": "Fake GeForce GTX1",
# "mem": 5.792331695556641,
# "proc": 4,
# "temperature": 26,
# "fan_speed": 30
# },
# {
# "key": "gpu_id",
# "gpu_id": "nvidia1",
# "name": "Fake GeForce GTX1",
# "mem": 15,
# "proc": 8,
# "temperature": 65,
# "fan_speed": 75
# }
# ]
# Update the stats
self.stats = stats
return self.stats
def update_views(self):
"""Update stats views."""
# Call the father's method
super(PluginModel, self).update_views()
# Add specifics information
# Alert
for i in self.stats:
# Init the views for the current GPU
self.views[i[self.get_key()]] = {'proc': {}, 'mem': {}, 'temperature': {}}
# Processor alert
if 'proc' in i:
alert = self.get_alert(i['proc'], header='proc')
self.views[i[self.get_key()]]['proc']['decoration'] = alert
# Memory alert
if 'mem' in i:
alert = self.get_alert(i['mem'], header='mem')
self.views[i[self.get_key()]]['mem']['decoration'] = alert
# Temperature alert
if 'temperature' in i:
alert = self.get_alert(i['temperature'], header='temperature')
self.views[i[self.get_key()]]['temperature']['decoration'] = alert
return True
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, not empty (issue #871) and plugin not disabled
if not self.stats or (self.stats == []) or self.is_disabled():
return ret
# Check if all GPU have the same name
same_name = all(s['name'] == self.stats[0]['name'] for s in self.stats)
# gpu_stats contain the first GPU in the list
gpu_stats = self.stats[0]
# Header
header = ''
if len(self.stats) > 1:
header += '{}'.format(len(self.stats))
if same_name:
header += ' {}'.format(gpu_stats['name'])
else:
header += ' GPUs'
elif same_name:
header += '{}'.format(gpu_stats['name'])
else:
header += 'GPU'
msg = header[:17]
ret.append(self.curse_add_line(msg, "TITLE"))
# Build the string message
if len(self.stats) == 1 or args.meangpu:
# GPU stat summary or mono GPU
# New line
ret.append(self.curse_new_line())
# GPU PROC
try:
mean_proc = sum(s['proc'] for s in self.stats if s is not None) / len(self.stats)
except TypeError:
mean_proc_msg = '{:>4}'.format('N/A')
else:
mean_proc_msg = '{:>3.0f}%'.format(mean_proc)
if len(self.stats) > 1:
msg = '{:13}'.format('proc mean:')
else:
msg = '{:13}'.format('proc:')
ret.append(self.curse_add_line(msg))
ret.append(
self.curse_add_line(
mean_proc_msg, self.get_views(item=gpu_stats[self.get_key()], key='proc', option='decoration')
)
)
# New line
ret.append(self.curse_new_line())
# GPU MEM
try:
mean_mem = sum(s['mem'] for s in self.stats if s is not None) / len(self.stats)
except TypeError:
mean_mem_msg = '{:>4}'.format('N/A')
else:
mean_mem_msg = '{:>3.0f}%'.format(mean_mem)
if len(self.stats) > 1:
msg = '{:13}'.format('mem mean:')
else:
msg = '{:13}'.format('mem:')
ret.append(self.curse_add_line(msg))
ret.append(
self.curse_add_line(
mean_mem_msg, self.get_views(item=gpu_stats[self.get_key()], key='mem', option='decoration')
)
)
# New line
ret.append(self.curse_new_line())
# GPU TEMPERATURE
try:
mean_temperature = sum(s['temperature'] for s in self.stats if s is not None) / len(self.stats)
except TypeError:
mean_temperature_msg = '{:>4}'.format('N/A')
else:
unit = 'C'
if args.fahrenheit:
mean_temperature = to_fahrenheit(mean_temperature)
unit = 'F'
mean_temperature_msg = '{:>3.0f}{}'.format(mean_temperature, unit)
if len(self.stats) > 1:
msg = '{:13}'.format('temp mean:')
else:
msg = '{:13}'.format('temperature:')
ret.append(self.curse_add_line(msg))
ret.append(
self.curse_add_line(
mean_temperature_msg,
self.get_views(item=gpu_stats[self.get_key()], key='temperature', option='decoration'),
)
)
else:
# Multi GPU
# Temperature is not displayed in this mode...
for gpu_stats in self.stats:
# New line
ret.append(self.curse_new_line())
# GPU ID + PROC + MEM + TEMPERATURE
id_msg = '{:>7}'.format(gpu_stats['gpu_id'])
try:
proc_msg = '{:>3.0f}%'.format(gpu_stats['proc'])
except (ValueError, TypeError):
proc_msg = '{:>4}'.format('N/A')
try:
mem_msg = '{:>3.0f}%'.format(gpu_stats['mem'])
except (ValueError, TypeError):
mem_msg = '{:>4}'.format('N/A')
msg = '{} {} mem {}'.format(id_msg, proc_msg, mem_msg)
ret.append(self.curse_add_line(msg))
return ret
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