I have rewritten all CGO dependencies for OpenBSD amd64 using pure go, be able to crosscompile node_exporter. Signed-off-by: ston1th <ston1th@giftfish.de>pull/1774/head
parent
f645d49242
commit
f8609aeee2
@ -0,0 +1,61 @@
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// Copyright 2020 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 !noboottime
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package collector
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import (
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"github.com/go-kit/kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"golang.org/x/sys/unix"
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"unsafe"
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)
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type bootTimeCollector struct {
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name, description string
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logger log.Logger
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}
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func init() {
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registerCollector("boottime", defaultEnabled, newBootTimeCollector)
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}
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// newBootTimeCollector returns a new Collector exposing system boot time on BSD systems.
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func newBootTimeCollector(logger log.Logger) (Collector, error) {
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return &bootTimeCollector{
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name: "boot_time_seconds",
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description: "Unix time of last boot, including microseconds.",
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logger: logger,
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}, nil
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}
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// Update pushes boot time onto ch
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func (c *bootTimeCollector) Update(ch chan<- prometheus.Metric) error {
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raw, err := unix.SysctlRaw("kern.boottime")
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if err != nil {
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return err
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}
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tv := *(*unix.Timeval)(unsafe.Pointer(&raw[0]))
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v := (float64(tv.Sec) + (float64(tv.Usec) / float64(1000*1000)))
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ch <- prometheus.MustNewConstMetric(
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prometheus.NewDesc(
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prometheus.BuildFQName(namespace, "", c.name),
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c.description,
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nil, nil,
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), prometheus.GaugeValue, v)
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return nil
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}
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// Copyright 2020 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 !nocpu
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package collector
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import (
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"strconv"
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"unsafe"
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"github.com/go-kit/kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"golang.org/x/sys/unix"
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)
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type clockinfo struct {
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hz int32
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tick int32
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tickadj int32
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stathz int32
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profhz int32
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}
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const (
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CP_USER = 0
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CP_NICE = 1
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CP_SYS = 2
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CP_SPIN = 3
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CP_INTR = 4
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CP_IDLE = 5
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CPUSTATES = 6
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)
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type cpuCollector struct {
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cpu typedDesc
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logger log.Logger
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}
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func init() {
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registerCollector("cpu", defaultEnabled, NewCPUCollector)
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}
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func NewCPUCollector(logger log.Logger) (Collector, error) {
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return &cpuCollector{
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cpu: typedDesc{nodeCPUSecondsDesc, prometheus.CounterValue},
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logger: logger,
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}, nil
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}
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func (c *cpuCollector) Update(ch chan<- prometheus.Metric) (err error) {
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clockb, err := unix.SysctlRaw("kern.clockrate")
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if err != nil {
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return err
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}
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clock := *(*clockinfo)(unsafe.Pointer(&clockb[0]))
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hz := float64(clock.stathz)
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ncpus, err := unix.SysctlUint32("hw.ncpu")
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if err != nil {
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return err
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}
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var cpTime [][CPUSTATES]int64
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for i := 0; i < int(ncpus); i++ {
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cpb, err := unix.SysctlRaw("kern.cp_time2", i)
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if err != nil && err != unix.ENODEV {
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return err
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}
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if err != unix.ENODEV {
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cpTime = append(cpTime, *(*[CPUSTATES]int64)(unsafe.Pointer(&cpb[0])))
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}
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}
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for cpu, time := range cpTime {
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lcpu := strconv.Itoa(cpu)
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ch <- c.cpu.mustNewConstMetric(float64(time[CP_USER])/hz, lcpu, "user")
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ch <- c.cpu.mustNewConstMetric(float64(time[CP_NICE])/hz, lcpu, "nice")
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ch <- c.cpu.mustNewConstMetric(float64(time[CP_SYS])/hz, lcpu, "system")
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ch <- c.cpu.mustNewConstMetric(float64(time[CP_SPIN])/hz, lcpu, "spin")
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ch <- c.cpu.mustNewConstMetric(float64(time[CP_INTR])/hz, lcpu, "interrupt")
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ch <- c.cpu.mustNewConstMetric(float64(time[CP_IDLE])/hz, lcpu, "idle")
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}
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return err
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}
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// Copyright 2020 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 !nodiskstats
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package collector
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import (
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"unsafe"
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"github.com/go-kit/kit/log"
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"github.com/prometheus/client_golang/prometheus"
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"golang.org/x/sys/unix"
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)
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const (
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DS_DISKNAMELEN = 16
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)
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type DiskStats struct {
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Name [DS_DISKNAMELEN]int8
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Busy int32
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Rxfer uint64
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Wxfer uint64
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Seek uint64
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Rbytes uint64
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Wbytes uint64
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Attachtime unix.Timeval
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Timestamp unix.Timeval
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Time unix.Timeval
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}
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type diskstatsCollector struct {
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rxfer typedDesc
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rbytes typedDesc
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wxfer typedDesc
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wbytes typedDesc
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time typedDesc
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logger log.Logger
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}
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func init() {
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registerCollector("diskstats", defaultEnabled, NewDiskstatsCollector)
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}
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// NewDiskstatsCollector returns a new Collector exposing disk device stats.
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func NewDiskstatsCollector(logger log.Logger) (Collector, error) {
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return &diskstatsCollector{
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rxfer: typedDesc{readsCompletedDesc, prometheus.CounterValue},
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rbytes: typedDesc{readBytesDesc, prometheus.CounterValue},
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wxfer: typedDesc{writesCompletedDesc, prometheus.CounterValue},
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wbytes: typedDesc{writtenBytesDesc, prometheus.CounterValue},
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time: typedDesc{ioTimeSecondsDesc, prometheus.CounterValue},
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logger: logger,
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}, nil
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}
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func (c *diskstatsCollector) Update(ch chan<- prometheus.Metric) (err error) {
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diskstatsb, err := unix.SysctlRaw("hw.diskstats")
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if err != nil {
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return err
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}
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ndisks := len(diskstatsb) / int(unsafe.Sizeof(DiskStats{}))
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diskstats := *(*[]DiskStats)(unsafe.Pointer(&diskstatsb))
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for i := 0; i < ndisks; i++ {
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dn := *(*[DS_DISKNAMELEN]int8)(unsafe.Pointer(&diskstats[i].Name[0]))
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diskname := int8ToString(dn[:])
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ch <- c.rxfer.mustNewConstMetric(float64(diskstats[i].Rxfer), diskname)
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ch <- c.rbytes.mustNewConstMetric(float64(diskstats[i].Rbytes), diskname)
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ch <- c.wxfer.mustNewConstMetric(float64(diskstats[i].Wxfer), diskname)
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ch <- c.wbytes.mustNewConstMetric(float64(diskstats[i].Wbytes), diskname)
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time := float64(diskstats[i].Time.Sec) + float64(diskstats[i].Time.Usec)/1000000
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ch <- c.time.mustNewConstMetric(time, diskname)
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}
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return nil
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}
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// Copyright 2020 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 openbsd darwin,amd64 dragonfly
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// +build !nofilesystem
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package collector
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import (
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"github.com/go-kit/kit/log/level"
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"golang.org/x/sys/unix"
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)
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const (
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defIgnoredMountPoints = "^/(dev)($|/)"
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defIgnoredFSTypes = "^devfs$"
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)
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// Expose filesystem fullness.
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func (c *filesystemCollector) GetStats() (stats []filesystemStats, err error) {
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var mnt []unix.Statfs_t
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size, err := unix.Getfsstat(mnt, unix.MNT_NOWAIT)
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if err != nil {
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return nil, err
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}
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mnt = make([]unix.Statfs_t, size)
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_, err = unix.Getfsstat(mnt, unix.MNT_NOWAIT)
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if err != nil {
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return nil, err
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}
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stats = []filesystemStats{}
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for _, v := range mnt {
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mountpoint := int8ToString(v.F_mntonname[:])
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if c.ignoredMountPointsPattern.MatchString(mountpoint) {
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level.Debug(c.logger).Log("msg", "Ignoring mount point", "mountpoint", mountpoint)
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continue
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}
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device := int8ToString(v.F_mntfromname[:])
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fstype := int8ToString(v.F_fstypename[:])
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if c.ignoredFSTypesPattern.MatchString(fstype) {
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level.Debug(c.logger).Log("msg", "Ignoring fs type", "type", fstype)
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continue
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}
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var ro float64
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if (v.F_flags & unix.MNT_RDONLY) != 0 {
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ro = 1
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}
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stats = append(stats, filesystemStats{
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labels: filesystemLabels{
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device: device,
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mountPoint: mountpoint,
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fsType: fstype,
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},
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size: float64(v.F_blocks) * float64(v.F_bsize),
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free: float64(v.F_bfree) * float64(v.F_bsize),
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avail: float64(v.F_bavail) * float64(v.F_bsize),
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files: float64(v.F_files),
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filesFree: float64(v.F_ffree),
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ro: ro,
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})
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}
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return stats, nil
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}
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// Copyright 2020 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
|
||||
// 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.
|
||||
// See the License for the specific language governing permissions and
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||||
// limitations under the License.
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// +build !nointerrupts
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package collector
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import (
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"fmt"
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"strconv"
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"unsafe"
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"github.com/prometheus/client_golang/prometheus"
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"golang.org/x/sys/unix"
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)
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const (
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KERN_INTRCNT = 63
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KERN_INTRCNT_NUM = 1
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KERN_INTRCNT_CNT = 2
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KERN_INTRCNT_NAME = 3
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KERN_INTRCNT_VECTOR = 4
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)
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func nintr() _C_int {
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mib := [3]_C_int{unix.CTL_KERN, KERN_INTRCNT, KERN_INTRCNT_NUM}
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buf, err := sysctl(mib[:])
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if err != nil {
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return 0
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}
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return *(*_C_int)(unsafe.Pointer(&buf[0]))
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}
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func intr(idx _C_int) (itr interrupt, err error) {
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mib := [4]_C_int{unix.CTL_KERN, KERN_INTRCNT, KERN_INTRCNT_NAME, idx}
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buf, err := sysctl(mib[:])
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if err != nil {
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return
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}
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dev := *(*[128]byte)(unsafe.Pointer(&buf[0]))
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itr.device = string(dev[:])
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mib[2] = KERN_INTRCNT_VECTOR
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buf, err = sysctl(mib[:])
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if err != nil {
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return
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}
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itr.vector = *(*int)(unsafe.Pointer(&buf[0]))
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mib[2] = KERN_INTRCNT_CNT
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buf, err = sysctl(mib[:])
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if err != nil {
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return
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}
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count := *(*uint64)(unsafe.Pointer(&buf[0]))
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itr.values = []float64{float64(count)}
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return
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}
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var (
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interruptLabelNames = []string{"cpu", "type", "devices"}
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)
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func (c *interruptsCollector) Update(ch chan<- prometheus.Metric) error {
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interrupts, err := getInterrupts()
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if err != nil {
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return fmt.Errorf("couldn't get interrupts: %s", err)
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}
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for dev, interrupt := range interrupts {
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for cpuNo, value := range interrupt.values {
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ch <- c.desc.mustNewConstMetric(
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value,
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strconv.Itoa(cpuNo),
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fmt.Sprintf("%d", interrupt.vector),
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dev,
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)
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||||
}
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||||
}
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return nil
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}
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type interrupt struct {
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vector int
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device string
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values []float64
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}
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func getInterrupts() (map[string]interrupt, error) {
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var interrupts = map[string]interrupt{}
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n := nintr()
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for i := _C_int(0); i < n; i++ {
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itr, err := intr(i)
|
||||
if err != nil {
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return nil, err
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||||
}
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interrupts[itr.device] = itr
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||||
}
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||||
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return interrupts, nil
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}
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// Copyright 2020 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 !nomeminfo
|
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|
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package collector
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|
||||
import (
|
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"golang.org/x/sys/unix"
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"unsafe"
|
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)
|
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|
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func (c *meminfoCollector) getMemInfo() (map[string]float64, error) {
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uvmexpb, err := unix.SysctlRaw("vm.uvmexp")
|
||||
if err != nil {
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||||
return nil, err
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||||
}
|
||||
uvmexp := *(*unix.Uvmexp)(unsafe.Pointer(&uvmexpb[0]))
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||||
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||||
ps := float64(uvmexp.Pagesize)
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||||
// see uvm(9)
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||||
return map[string]float64{
|
||||
"active_bytes": ps * float64(uvmexp.Active),
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||||
"cache_bytes": ps * float64(uvmexp.Vnodepages),
|
||||
"free_bytes": ps * float64(uvmexp.Free),
|
||||
"inactive_bytes": ps * float64(uvmexp.Inactive),
|
||||
"size_bytes": ps * float64(uvmexp.Npages),
|
||||
"swap_size_bytes": ps * float64(uvmexp.Swpages),
|
||||
"swap_used_bytes": ps * float64(uvmexp.Swpginuse),
|
||||
"swapped_in_pages_bytes_total": ps * float64(uvmexp.Pgswapin),
|
||||
"swapped_out_pages_bytes_total": ps * float64(uvmexp.Pgswapout),
|
||||
"wired_bytes": ps * float64(uvmexp.Wired),
|
||||
}, nil
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||||
}
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@ -0,0 +1,79 @@
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||||
// Copyright 2020 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 !nonetdev
|
||||
|
||||
package collector
|
||||
|
||||
import (
|
||||
"github.com/go-kit/kit/log"
|
||||
"github.com/go-kit/kit/log/level"
|
||||
"strconv"
|
||||
|
||||
"golang.org/x/sys/unix"
|
||||
"regexp"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
func getNetDevStats(ignore *regexp.Regexp, accept *regexp.Regexp, logger log.Logger) (map[string]map[string]string, error) {
|
||||
netDev := map[string]map[string]string{}
|
||||
|
||||
mib := [6]_C_int{unix.CTL_NET, unix.AF_ROUTE, 0, 0, unix.NET_RT_IFLIST, 0}
|
||||
buf, err := sysctl(mib[:])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
n := uintptr(len(buf))
|
||||
index := uintptr(unsafe.Pointer(&buf[0]))
|
||||
next := uintptr(0)
|
||||
|
||||
var rtm *unix.RtMsghdr
|
||||
|
||||
for next = index; next < (index + n); next += uintptr(rtm.Msglen) {
|
||||
rtm = (*unix.RtMsghdr)(unsafe.Pointer(next))
|
||||
if rtm.Version != unix.RTM_VERSION || rtm.Type != unix.RTM_IFINFO {
|
||||
continue
|
||||
}
|
||||
ifm := (*unix.IfMsghdr)(unsafe.Pointer(next))
|
||||
if ifm.Addrs&unix.RTA_IFP == 0 {
|
||||
continue
|
||||
}
|
||||
dl := (*unix.RawSockaddrDatalink)(unsafe.Pointer(next + uintptr(rtm.Hdrlen)))
|
||||
if dl.Family != unix.AF_LINK {
|
||||
continue
|
||||
}
|
||||
data := ifm.Data
|
||||
dev := int8ToString(dl.Data[:dl.Nlen])
|
||||
if ignore != nil && ignore.MatchString(dev) {
|
||||
level.Debug(logger).Log("msg", "Ignoring device", "device", dev)
|
||||
continue
|
||||
}
|
||||
if accept != nil && !accept.MatchString(dev) {
|
||||
level.Debug(logger).Log("msg", "Ignoring device", "device", dev)
|
||||
continue
|
||||
}
|
||||
|
||||
devStats := map[string]string{}
|
||||
devStats["receive_packets"] = strconv.Itoa(int(data.Ipackets))
|
||||
devStats["transmit_packets"] = strconv.Itoa(int(data.Opackets))
|
||||
devStats["receive_errs"] = strconv.Itoa(int(data.Ierrors))
|
||||
devStats["transmit_errs"] = strconv.Itoa(int(data.Oerrors))
|
||||
devStats["receive_bytes"] = strconv.Itoa(int(data.Ibytes))
|
||||
devStats["transmit_bytes"] = strconv.Itoa(int(data.Obytes))
|
||||
devStats["receive_multicast"] = strconv.Itoa(int(data.Imcasts))
|
||||
devStats["transmit_multicast"] = strconv.Itoa(int(data.Omcasts))
|
||||
devStats["receive_drop"] = strconv.Itoa(int(data.Iqdrops))
|
||||
netDev[dev] = devStats
|
||||
}
|
||||
return netDev, nil
|
||||
}
|
@ -0,0 +1,82 @@
|
||||
// Copyright 2020 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.
|
||||
|
||||
package collector
|
||||
|
||||
import (
|
||||
"golang.org/x/sys/unix"
|
||||
"syscall"
|
||||
"unsafe"
|
||||
)
|
||||
|
||||
func int8ToString(a []int8) string {
|
||||
b := make([]byte, len(a))
|
||||
for i, v := range a {
|
||||
b[i] = byte(v)
|
||||
}
|
||||
return string(b)
|
||||
}
|
||||
|
||||
// unix._C_int
|
||||
type _C_int int32
|
||||
|
||||
var _zero uintptr
|
||||
|
||||
func errnoErr(e syscall.Errno) error {
|
||||
switch e {
|
||||
case 0:
|
||||
return nil
|
||||
case unix.EAGAIN:
|
||||
return syscall.EAGAIN
|
||||
case unix.EINVAL:
|
||||
return syscall.EINVAL
|
||||
case unix.ENOENT:
|
||||
return syscall.ENOENT
|
||||
}
|
||||
return e
|
||||
}
|
||||
|
||||
func _sysctl(mib []_C_int, old *byte, oldlen *uintptr, new *byte, newlen uintptr) (err error) {
|
||||
var _p0 unsafe.Pointer
|
||||
if len(mib) > 0 {
|
||||
_p0 = unsafe.Pointer(&mib[0])
|
||||
} else {
|
||||
_p0 = unsafe.Pointer(&_zero)
|
||||
}
|
||||
for {
|
||||
_, _, e1 := unix.Syscall6(unix.SYS___SYSCTL, uintptr(_p0), uintptr(len(mib)), uintptr(unsafe.Pointer(old)), uintptr(unsafe.Pointer(oldlen)), uintptr(unsafe.Pointer(new)), uintptr(newlen))
|
||||
if e1 != 0 {
|
||||
err = errnoErr(e1)
|
||||
}
|
||||
if err != unix.EINTR {
|
||||
return
|
||||
}
|
||||
}
|
||||
return
|
||||
}
|
||||
|
||||
func sysctl(mib []_C_int) ([]byte, error) {
|
||||
n := uintptr(0)
|
||||
if err := _sysctl(mib, nil, &n, nil, 0); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
if n == 0 {
|
||||
return nil, nil
|
||||
}
|
||||
|
||||
buf := make([]byte, n)
|
||||
if err := _sysctl(mib, &buf[0], &n, nil, 0); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return buf[:n], nil
|
||||
}
|
Loading…
Reference in new issue