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Merge pull request #324 from prometheus/superq/edac_mc
Add collector for Linux EDAC
This commit is contained in:
commit
12f8494a83
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@ -21,6 +21,7 @@ Name | Description | OS
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conntrack | Shows conntrack statistics (does nothing if no `/proc/sys/net/netfilter/` present). | Linux
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conntrack | Shows conntrack statistics (does nothing if no `/proc/sys/net/netfilter/` present). | Linux
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cpu | Exposes CPU statistics | Darwin, Dragonfly, FreeBSD
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cpu | Exposes CPU statistics | Darwin, Dragonfly, FreeBSD
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diskstats | Exposes disk I/O statistics from `/proc/diskstats`. | Linux
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diskstats | Exposes disk I/O statistics from `/proc/diskstats`. | Linux
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edac | Exposes error detection and correction statistics. | Linux
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entropy | Exposes available entropy. | Linux
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entropy | Exposes available entropy. | Linux
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filefd | Exposes file descriptor statistics from `/proc/sys/fs/file-nr`. | Linux
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filefd | Exposes file descriptor statistics from `/proc/sys/fs/file-nr`. | Linux
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filesystem | Exposes filesystem statistics, such as disk space used. | Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
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filesystem | Exposes filesystem statistics, such as disk space used. | Darwin, Dragonfly, FreeBSD, Linux, OpenBSD
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151
collector/edac_linux.go
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151
collector/edac_linux.go
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@ -0,0 +1,151 @@
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// Copyright 2015 The Prometheus Authors
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// +build !noedac
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package collector
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import (
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"fmt"
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"path"
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"path/filepath"
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"regexp"
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"github.com/prometheus/client_golang/prometheus"
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)
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const (
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edacSubsystem = "edac"
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)
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var (
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edacMemControllerRE = regexp.MustCompile(`.*devices/system/edac/mc/mc([0-9]*)`)
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edacMemCsrowRE = regexp.MustCompile(`.*devices/system/edac/mc/mc[0-9]*/csrow([0-9]*)`)
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)
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type edacMCMetric struct {
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metricName string
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metricType prometheus.ValueType
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metricHelp string
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memController string
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value float64
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}
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type edacCollector struct {
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ceCount *prometheus.Desc
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ueCount *prometheus.Desc
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csRowCECount *prometheus.Desc
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csRowUECount *prometheus.Desc
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}
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func init() {
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Factories["edac"] = NewEdacCollector
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}
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// Takes a prometheus registry and returns a new Collector exposing
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// edac stats.
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func NewEdacCollector() (Collector, error) {
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return &edacCollector{
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ceCount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, edacSubsystem, "correctable_errors_total"),
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"Total correctable memory errors.",
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[]string{"controller"}, nil,
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),
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ueCount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, edacSubsystem, "uncorrectable_errors_total"),
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"Total uncorrectable memory errors.",
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[]string{"controller"}, nil,
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),
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csRowCECount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, edacSubsystem, "csrow_correctable_errors_total"),
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"Total correctable memory errors for this csrow.",
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[]string{"controller", "csrow"}, nil,
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),
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csRowUECount: prometheus.NewDesc(
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prometheus.BuildFQName(Namespace, edacSubsystem, "csrow_uncorrectable_errors_total"),
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"Total uncorrectable memory errors for this csrow.",
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[]string{"controller", "csrow"}, nil,
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),
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}, nil
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}
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func (c *edacCollector) Update(ch chan<- prometheus.Metric) (err error) {
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memControllers, err := filepath.Glob(sysFilePath("devices/system/edac/mc/mc[0-9]*"))
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if err != nil {
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return err
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}
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for _, controller := range memControllers {
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controllerMatch := edacMemControllerRE.FindStringSubmatch(controller)
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if controllerMatch == nil {
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return fmt.Errorf("controller string didn't match regexp: %s", controller)
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}
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controllerNumber := controllerMatch[1]
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value, err := readUintFromFile(path.Join(controller, "ce_count"))
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if err != nil {
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return fmt.Errorf("couldn't get ce_count for controller %s: %s", controllerNumber, err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.ceCount, prometheus.CounterValue, float64(value), controllerNumber)
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value, err = readUintFromFile(path.Join(controller, "ce_noinfo_count"))
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if err != nil {
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return fmt.Errorf("couldn't get ce_noinfo_count for controller %s: %s", controllerNumber, err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.csRowCECount, prometheus.CounterValue, float64(value), controllerNumber, "unknown")
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value, err = readUintFromFile(path.Join(controller, "ue_count"))
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if err != nil {
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return fmt.Errorf("couldn't get ue_count for controller %s: %s", controllerNumber, err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.ueCount, prometheus.CounterValue, float64(value), controllerNumber)
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value, err = readUintFromFile(path.Join(controller, "ue_noinfo_count"))
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if err != nil {
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return fmt.Errorf("couldn't get ue_noinfo_count for controller %s: %s", controllerNumber, err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.csRowUECount, prometheus.CounterValue, float64(value), controllerNumber, "uknown")
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// For each controller, walk the csrow directories.
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csrows, err := filepath.Glob(controller + "/csrow[0-9]*")
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if err != nil {
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return err
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}
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for _, csrow := range csrows {
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csrowMatch := edacMemCsrowRE.FindStringSubmatch(csrow)
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if csrowMatch == nil {
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return fmt.Errorf("csrow string didn't match regexp: %s", csrow)
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}
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csrowNumber := csrowMatch[1]
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value, err = readUintFromFile(path.Join(csrow, "ce_count"))
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if err != nil {
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return fmt.Errorf("couldn't get ce_count for controller/csrow %s/%s: %s", controllerNumber, csrowNumber, err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.csRowCECount, prometheus.CounterValue, float64(value), controllerNumber, csrowNumber)
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value, err = readUintFromFile(path.Join(csrow, "ue_count"))
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if err != nil {
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return fmt.Errorf("couldn't get ue_count for controller/csrow %s/%s: %s", controllerNumber, csrowNumber, err)
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}
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ch <- prometheus.MustNewConstMetric(
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c.csRowUECount, prometheus.CounterValue, float64(value), controllerNumber, csrowNumber)
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}
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}
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return err
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}
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@ -401,6 +401,20 @@ node_drbd_remote_pending{device="drbd1"} 12346
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# HELP node_drbd_remote_unacknowledged Number of requests received by the peer via the network connection, but that have not yet been answered.
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# HELP node_drbd_remote_unacknowledged Number of requests received by the peer via the network connection, but that have not yet been answered.
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# TYPE node_drbd_remote_unacknowledged gauge
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# TYPE node_drbd_remote_unacknowledged gauge
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node_drbd_remote_unacknowledged{device="drbd1"} 12347
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node_drbd_remote_unacknowledged{device="drbd1"} 12347
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# HELP node_edac_correctable_errors_total Total correctable memory errors.
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# TYPE node_edac_correctable_errors_total counter
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node_edac_correctable_errors_total{controller="0"} 1
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# HELP node_edac_csrow_correctable_errors_total Total correctable memory errors for this csrow.
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# TYPE node_edac_csrow_correctable_errors_total counter
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node_edac_csrow_correctable_errors_total{controller="0",csrow="0"} 3
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node_edac_csrow_correctable_errors_total{controller="0",csrow="unknown"} 2
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# HELP node_edac_csrow_uncorrectable_errors_total Total uncorrectable memory errors for this csrow.
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# TYPE node_edac_csrow_uncorrectable_errors_total counter
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node_edac_csrow_uncorrectable_errors_total{controller="0",csrow="0"} 4
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node_edac_csrow_uncorrectable_errors_total{controller="0",csrow="uknown"} 6
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# HELP node_edac_uncorrectable_errors_total Total uncorrectable memory errors.
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# TYPE node_edac_uncorrectable_errors_total counter
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node_edac_uncorrectable_errors_total{controller="0"} 5
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# HELP node_entropy_available_bits Bits of available entropy.
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# HELP node_entropy_available_bits Bits of available entropy.
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# TYPE node_entropy_available_bits gauge
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# TYPE node_entropy_available_bits gauge
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node_entropy_available_bits 1337
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node_entropy_available_bits 1337
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@ -0,0 +1 @@
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1
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2
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3
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4
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5
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@ -0,0 +1 @@
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6
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@ -6,6 +6,7 @@ collectors=$(cat << COLLECTORS
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conntrack
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conntrack
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diskstats
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diskstats
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drbd
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drbd
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edac
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entropy
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entropy
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filefd
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filefd
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hwmon
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hwmon
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@ -32,7 +32,7 @@ import (
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)
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)
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const (
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const (
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defaultCollectors = "conntrack,cpu,diskstats,entropy,filefd,filesystem,hwmon,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,time,uname,vmstat,zfs"
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defaultCollectors = "conntrack,cpu,diskstats,entropy,edac,filefd,filesystem,hwmon,loadavg,mdadm,meminfo,netdev,netstat,sockstat,stat,textfile,time,uname,vmstat,zfs"
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)
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)
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var (
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var (
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