mirror of
https://github.com/prometheus/node_exporter.git
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3fb5f70b0c
Drop redundant GOOS build tags at start of file if the constraint is already specified by the filename, e.g. foo_GOOS.go or foo_GOOS_GOARCH.go, avoiding potential confusion in future. cf. https://pkg.go.dev/cmd/go#hdr-Build_constraints Signed-off-by: Daniel Swarbrick <daniel.swarbrick@gmail.com>
106 lines
2.7 KiB
Go
106 lines
2.7 KiB
Go
// Copyright 2023 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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//go:build !nonetisr
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// +build !nonetisr
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package collector
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import (
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"fmt"
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"github.com/go-kit/log"
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"github.com/prometheus/client_golang/prometheus"
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)
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type netisrCollector struct {
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sysctls []bsdSysctl
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logger log.Logger
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}
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const (
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netisrCollectorSubsystem = "netisr"
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)
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func init() {
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registerCollector("netisr", defaultEnabled, NewNetisrCollector)
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}
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func NewNetisrCollector(logger log.Logger) (Collector, error) {
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return &netisrCollector{
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sysctls: []bsdSysctl{
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{
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name: "numthreads",
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description: "netisr current thread count",
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mib: "net.isr.numthreads",
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dataType: bsdSysctlTypeUint32,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "maxprot",
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description: "netisr maximum protocols",
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mib: "net.isr.maxprot",
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dataType: bsdSysctlTypeUint32,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "defaultqlimit",
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description: "netisr default queue limit",
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mib: "net.isr.defaultqlimit",
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dataType: bsdSysctlTypeUint32,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "maxqlimit",
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description: "netisr maximum queue limit",
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mib: "net.isr.maxqlimit",
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dataType: bsdSysctlTypeUint32,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "bindthreads",
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description: "netisr threads bound to CPUs",
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mib: "net.isr.bindthreads",
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dataType: bsdSysctlTypeUint32,
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valueType: prometheus.GaugeValue,
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},
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{
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name: "maxthreads",
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description: "netisr maximum thread count",
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mib: "net.isr.maxthreads",
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dataType: bsdSysctlTypeUint32,
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valueType: prometheus.GaugeValue,
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},
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},
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logger: logger,
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}, nil
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}
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func (c *netisrCollector) Update(ch chan<- prometheus.Metric) error {
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for _, m := range c.sysctls {
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v, err := m.Value()
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if err != nil {
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return fmt.Errorf("couldn't get sysctl: %w", err)
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}
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ch <- prometheus.MustNewConstMetric(
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prometheus.NewDesc(
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prometheus.BuildFQName(namespace, netisrCollectorSubsystem, m.name),
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m.description,
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nil, nil,
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), m.valueType, v)
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}
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return nil
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}
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