1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
// Copyright 2015 The Prometheus Authors
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
// +build !noedac
package collector
import (
"fmt"
"path/filepath"
"regexp"
"github.com/go-kit/kit/log"
"github.com/prometheus/client_golang/prometheus"
)
const (
edacSubsystem = "edac"
)
var (
edacMemControllerRE = regexp.MustCompile(`.*devices/system/edac/mc/mc([0-9]*)`)
edacMemCsrowRE = regexp.MustCompile(`.*devices/system/edac/mc/mc[0-9]*/csrow([0-9]*)`)
)
type edacCollector struct {
ceCount *prometheus.Desc
ueCount *prometheus.Desc
csRowCECount *prometheus.Desc
csRowUECount *prometheus.Desc
logger log.Logger
}
func init() {
registerCollector("edac", defaultEnabled, NewEdacCollector)
}
// NewEdacCollector returns a new Collector exposing edac stats.
func NewEdacCollector(logger log.Logger) (Collector, error) {
return &edacCollector{
ceCount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, edacSubsystem, "correctable_errors_total"),
"Total correctable memory errors.",
[]string{"controller"}, nil,
),
ueCount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, edacSubsystem, "uncorrectable_errors_total"),
"Total uncorrectable memory errors.",
[]string{"controller"}, nil,
),
csRowCECount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, edacSubsystem, "csrow_correctable_errors_total"),
"Total correctable memory errors for this csrow.",
[]string{"controller", "csrow"}, nil,
),
csRowUECount: prometheus.NewDesc(
prometheus.BuildFQName(namespace, edacSubsystem, "csrow_uncorrectable_errors_total"),
"Total uncorrectable memory errors for this csrow.",
[]string{"controller", "csrow"}, nil,
),
logger: logger,
}, nil
}
func (c *edacCollector) Update(ch chan<- prometheus.Metric) error {
memControllers, err := filepath.Glob(sysFilePath("devices/system/edac/mc/mc[0-9]*"))
if err != nil {
return err
}
for _, controller := range memControllers {
controllerMatch := edacMemControllerRE.FindStringSubmatch(controller)
if controllerMatch == nil {
return fmt.Errorf("controller string didn't match regexp: %s", controller)
}
controllerNumber := controllerMatch[1]
value, err := readUintFromFile(filepath.Join(controller, "ce_count"))
if err != nil {
return fmt.Errorf("couldn't get ce_count for controller %s: %w", controllerNumber, err)
}
ch <- prometheus.MustNewConstMetric(
c.ceCount, prometheus.CounterValue, float64(value), controllerNumber)
value, err = readUintFromFile(filepath.Join(controller, "ce_noinfo_count"))
if err != nil {
return fmt.Errorf("couldn't get ce_noinfo_count for controller %s: %w", controllerNumber, err)
}
ch <- prometheus.MustNewConstMetric(
c.csRowCECount, prometheus.CounterValue, float64(value), controllerNumber, "unknown")
value, err = readUintFromFile(filepath.Join(controller, "ue_count"))
if err != nil {
return fmt.Errorf("couldn't get ue_count for controller %s: %w", controllerNumber, err)
}
ch <- prometheus.MustNewConstMetric(
c.ueCount, prometheus.CounterValue, float64(value), controllerNumber)
value, err = readUintFromFile(filepath.Join(controller, "ue_noinfo_count"))
if err != nil {
return fmt.Errorf("couldn't get ue_noinfo_count for controller %s: %w", controllerNumber, err)
}
ch <- prometheus.MustNewConstMetric(
c.csRowUECount, prometheus.CounterValue, float64(value), controllerNumber, "unknown")
// For each controller, walk the csrow directories.
csrows, err := filepath.Glob(controller + "/csrow[0-9]*")
if err != nil {
return err
}
for _, csrow := range csrows {
csrowMatch := edacMemCsrowRE.FindStringSubmatch(csrow)
if csrowMatch == nil {
return fmt.Errorf("csrow string didn't match regexp: %s", csrow)
}
csrowNumber := csrowMatch[1]
value, err = readUintFromFile(filepath.Join(csrow, "ce_count"))
if err != nil {
return fmt.Errorf("couldn't get ce_count for controller/csrow %s/%s: %w", controllerNumber, csrowNumber, err)
}
ch <- prometheus.MustNewConstMetric(
c.csRowCECount, prometheus.CounterValue, float64(value), controllerNumber, csrowNumber)
value, err = readUintFromFile(filepath.Join(csrow, "ue_count"))
if err != nil {
return fmt.Errorf("couldn't get ue_count for controller/csrow %s/%s: %w", controllerNumber, csrowNumber, err)
}
ch <- prometheus.MustNewConstMetric(
c.csRowUECount, prometheus.CounterValue, float64(value), controllerNumber, csrowNumber)
}
}
return err
}
|
