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f37913e8 | 1 | #!/usr/bin/python3 |
81b24bab MT |
2 | ############################################################################### |
3 | # # | |
4 | # collecty - A system statistics collection daemon for IPFire # | |
5 | # Copyright (C) 2015 IPFire development team # | |
6 | # # | |
7 | # This program is free software: you can redistribute it and/or modify # | |
8 | # it under the terms of the GNU General Public License as published by # | |
9 | # the Free Software Foundation, either version 3 of the License, or # | |
10 | # (at your option) any later version. # | |
11 | # # | |
12 | # This program is distributed in the hope that it will be useful, # | |
13 | # but WITHOUT ANY WARRANTY; without even the implied warranty of # | |
14 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # | |
15 | # GNU General Public License for more details. # | |
16 | # # | |
17 | # You should have received a copy of the GNU General Public License # | |
18 | # along with this program. If not, see <http://www.gnu.org/licenses/>. # | |
19 | # # | |
20 | ############################################################################### | |
21 | ||
22 | import os | |
23 | import re | |
24 | ||
f37913e8 | 25 | from . import base |
81b24bab MT |
26 | |
27 | from ..i18n import _ | |
28 | ||
29 | class GraphTemplateCPUFreq(base.GraphTemplate): | |
30 | name = "cpufreq" | |
31 | ||
32 | lower_limit = 0 | |
33 | ||
34 | @property | |
35 | def graph_title(self): | |
ca9e96e7 | 36 | _ = self.locale.translate |
81b24bab MT |
37 | return _("CPU usage") |
38 | ||
39 | @property | |
40 | def graph_vertical_label(self): | |
ca9e96e7 | 41 | _ = self.locale.translate |
81b24bab MT |
42 | return "%s [%s]" % (_("Frequency"), _("Hz")) |
43 | ||
44 | def get_object_table(self): | |
45 | objects_table = {} | |
46 | ||
47 | for processor in self.plugin.objects: | |
48 | objects_table[processor.id] = processor | |
49 | ||
50 | return objects_table | |
51 | ||
52 | core_colours = { | |
53 | "cpu0" : "#ff000066", | |
54 | "cpu1" : "#00ff0066", | |
55 | "cpu2" : "#0000ff66", | |
56 | "cpu3" : "#ffff0066", | |
57 | } | |
58 | ||
59 | @property | |
60 | def rrd_graph(self): | |
61 | rrd_graph = [] | |
62 | ||
63 | for core, processor in sorted(self.object_table.items()): | |
64 | i = { | |
65 | "core" : core, | |
66 | "colour" : self.core_colours.get(core, "#000000"), | |
67 | "name" : processor.name, | |
68 | } | |
69 | ||
70 | core_graph = [ | |
71 | "DEF:current_%(core)s=%%(%(core)s)s:current:AVERAGE", | |
72 | "DEF:minimum_%(core)s=%%(%(core)s)s:minimum:AVERAGE", | |
73 | "DEF:maximum_%(core)s=%%(%(core)s)s:maximum:AVERAGE", | |
74 | ||
75 | "VDEF:avg_%(core)s=current_%(core)s,AVERAGE", | |
76 | ||
77 | "LINE2:current_%(core)s%(colour)s:%(name)-10s", | |
78 | "GPRINT:avg_%(core)s:%%6.2lf %%sHz\l", | |
79 | ] | |
80 | ||
81 | rrd_graph += [line % i for line in core_graph] | |
82 | ||
83 | return rrd_graph | |
84 | ||
85 | rrd_graph_args = [ | |
86 | "--base", "1000", # Hz | |
87 | ] | |
88 | ||
89 | ||
90 | class CPUFreqObject(base.Object): | |
91 | rrd_schema = [ | |
92 | "DS:current:GAUGE:0:U", | |
93 | "DS:minimum:GAUGE:0:U", | |
94 | "DS:maximum:GAUGE:0:U", | |
95 | ] | |
96 | ||
97 | def __repr__(self): | |
98 | return "<%s %s>" % (self.__class__.__name__, self.cpuid) | |
99 | ||
100 | def init(self, cpuid): | |
101 | self.cpuid = cpuid | |
102 | ||
103 | self.sys_path = os.path.join("/sys/devices/system/cpu", self.cpuid) | |
104 | ||
105 | @property | |
106 | def name(self): | |
107 | return "Core %s" % self.core_id | |
108 | ||
109 | @property | |
110 | def id(self): | |
111 | return self.cpuid | |
112 | ||
113 | @property | |
114 | def core_id(self): | |
115 | return self.read_file("topology/core_id") | |
116 | ||
0993237d MT |
117 | def is_cpufreq_supported(self): |
118 | path = os.path.join(self.sys_path, "cpufreq") | |
119 | ||
120 | return os.path.exists(path) | |
121 | ||
81b24bab MT |
122 | def collect(self): |
123 | return ( | |
124 | self.read_frequency("cpufreq/cpuinfo_cur_freq"), | |
125 | self.read_frequency("cpufreq/cpuinfo_min_freq"), | |
126 | self.read_frequency("cpufreq/cpuinfo_max_freq"), | |
127 | ) | |
128 | ||
129 | def read_file(self, filename): | |
130 | file = os.path.join(self.sys_path, filename) | |
131 | ||
132 | with open(file, "r") as f: | |
133 | return f.read().strip() | |
134 | ||
135 | def read_frequency(self, filename): | |
136 | val = self.read_file(filename) | |
137 | ||
138 | # Convert from kHz to Hz | |
139 | return int(val) * 1000 | |
140 | ||
141 | ||
142 | class CPUFreqPlugin(base.Plugin): | |
143 | name = "cpufreq" | |
144 | description = "cpufreq Plugin" | |
145 | ||
146 | templates = [GraphTemplateCPUFreq] | |
147 | ||
148 | cpuid_pattern = re.compile(r"cpu[0-9]+") | |
149 | ||
150 | @property | |
151 | def objects(self): | |
152 | core_ids = [] | |
153 | ||
154 | for cpuid in os.listdir("/sys/devices/system/cpu"): | |
155 | if not self.cpuid_pattern.match(cpuid): | |
156 | continue | |
157 | ||
158 | o = CPUFreqObject(self, cpuid) | |
159 | ||
160 | # If we have already seen a virtual core of the processor, | |
161 | # we will skip any others. | |
162 | if o.core_id in core_ids: | |
163 | continue | |
164 | ||
0993237d MT |
165 | # Check if this processor is supported by cpufreq |
166 | if not o.is_cpufreq_supported(): | |
167 | continue | |
168 | ||
81b24bab MT |
169 | # Save the ID of the added core |
170 | core_ids.append(o.core_id) | |
171 | ||
172 | yield o |