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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 | ||
d5d4c0e7 MT |
34 | def get_objects(self, *args, **kwargs): |
35 | return list(self.plugin.objects) | |
36 | ||
81b24bab MT |
37 | @property |
38 | def graph_title(self): | |
ca9e96e7 | 39 | _ = self.locale.translate |
af1e821b | 40 | return _("Processor Frequencies") |
81b24bab MT |
41 | |
42 | @property | |
43 | def graph_vertical_label(self): | |
ca9e96e7 | 44 | _ = self.locale.translate |
81b24bab MT |
45 | return "%s [%s]" % (_("Frequency"), _("Hz")) |
46 | ||
d5d4c0e7 MT |
47 | processor_colours = [ |
48 | "#ff000066", | |
49 | "#00ff0066", | |
50 | "#0000ff66", | |
51 | "#ffff0066", | |
52 | ] | |
81b24bab MT |
53 | |
54 | @property | |
55 | def rrd_graph(self): | |
56 | rrd_graph = [] | |
57 | ||
d5d4c0e7 MT |
58 | for processor, colour in zip(self.objects, self.processor_colours): |
59 | rrd_graph += processor.make_rrd_defs(processor.id) + [ | |
60 | "LINE2:%s%s:%-10s" % (processor.id, colour, processor.name), | |
61 | "GPRINT:%s:%%6.2lf %%sHz" % processor.id, | |
81b24bab MT |
62 | ] |
63 | ||
81b24bab MT |
64 | return rrd_graph |
65 | ||
66 | rrd_graph_args = [ | |
67 | "--base", "1000", # Hz | |
68 | ] | |
69 | ||
70 | ||
71 | class CPUFreqObject(base.Object): | |
72 | rrd_schema = [ | |
73 | "DS:current:GAUGE:0:U", | |
74 | "DS:minimum:GAUGE:0:U", | |
75 | "DS:maximum:GAUGE:0:U", | |
76 | ] | |
77 | ||
78 | def __repr__(self): | |
79 | return "<%s %s>" % (self.__class__.__name__, self.cpuid) | |
80 | ||
81 | def init(self, cpuid): | |
82 | self.cpuid = cpuid | |
83 | ||
84 | self.sys_path = os.path.join("/sys/devices/system/cpu", self.cpuid) | |
85 | ||
86 | @property | |
87 | def name(self): | |
88 | return "Core %s" % self.core_id | |
89 | ||
90 | @property | |
91 | def id(self): | |
92 | return self.cpuid | |
93 | ||
94 | @property | |
95 | def core_id(self): | |
96 | return self.read_file("topology/core_id") | |
97 | ||
0993237d MT |
98 | def is_cpufreq_supported(self): |
99 | path = os.path.join(self.sys_path, "cpufreq") | |
100 | ||
101 | return os.path.exists(path) | |
102 | ||
81b24bab MT |
103 | def collect(self): |
104 | return ( | |
105 | self.read_frequency("cpufreq/cpuinfo_cur_freq"), | |
106 | self.read_frequency("cpufreq/cpuinfo_min_freq"), | |
107 | self.read_frequency("cpufreq/cpuinfo_max_freq"), | |
108 | ) | |
109 | ||
110 | def read_file(self, filename): | |
111 | file = os.path.join(self.sys_path, filename) | |
112 | ||
113 | with open(file, "r") as f: | |
114 | return f.read().strip() | |
115 | ||
116 | def read_frequency(self, filename): | |
117 | val = self.read_file(filename) | |
118 | ||
119 | # Convert from kHz to Hz | |
120 | return int(val) * 1000 | |
121 | ||
122 | ||
123 | class CPUFreqPlugin(base.Plugin): | |
124 | name = "cpufreq" | |
125 | description = "cpufreq Plugin" | |
126 | ||
127 | templates = [GraphTemplateCPUFreq] | |
128 | ||
129 | cpuid_pattern = re.compile(r"cpu[0-9]+") | |
130 | ||
131 | @property | |
132 | def objects(self): | |
133 | core_ids = [] | |
134 | ||
135 | for cpuid in os.listdir("/sys/devices/system/cpu"): | |
136 | if not self.cpuid_pattern.match(cpuid): | |
137 | continue | |
138 | ||
139 | o = CPUFreqObject(self, cpuid) | |
140 | ||
141 | # If we have already seen a virtual core of the processor, | |
142 | # we will skip any others. | |
143 | if o.core_id in core_ids: | |
144 | continue | |
145 | ||
0993237d MT |
146 | # Check if this processor is supported by cpufreq |
147 | if not o.is_cpufreq_supported(): | |
148 | continue | |
149 | ||
81b24bab MT |
150 | # Save the ID of the added core |
151 | core_ids.append(o.core_id) | |
152 | ||
153 | yield o |