mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-30 07:59:53 -08:00
e766485286
* collector/loadavg_solaris.go: Use libkstat to gather load averages. * go.mod: Added go-kstat. * boot_time_solaris.go: Added. * cpu_solaris.go: Added. * README.md: Updated entries for Solaris. * collector/zfs_solaris.go: Added. * CHANGELOG.md: Added note about kstat-based Solaris metrics. Signed-off-by: Jonathan Davies <jpds@protonmail.com>
65 lines
1.4 KiB
Go
65 lines
1.4 KiB
Go
// 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 !noloadavg
|
|
|
|
package collector
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"github.com/siebenmann/go-kstat"
|
|
)
|
|
|
|
// #include <sys/param.h>
|
|
import "C"
|
|
|
|
func kstatToFloat(ks *kstat.KStat, kstatKey string) float64 {
|
|
kstatValue, err := ks.GetNamed(kstatKey)
|
|
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
kstatLoadavg, err := strconv.ParseFloat(
|
|
fmt.Sprintf("%.2f", float64(kstatValue.UintVal)/C.FSCALE), 64)
|
|
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
return kstatLoadavg
|
|
}
|
|
|
|
func getLoad() ([]float64, error) {
|
|
tok, err := kstat.Open()
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
defer tok.Close()
|
|
|
|
ks, err := tok.Lookup("unix", 0, "system_misc")
|
|
|
|
if err != nil {
|
|
panic(err)
|
|
}
|
|
|
|
loadavg1Min := kstatToFloat(ks, "avenrun_1min")
|
|
loadavg5Min := kstatToFloat(ks, "avenrun_5min")
|
|
loadavg15Min := kstatToFloat(ks, "avenrun_15min")
|
|
|
|
return []float64{loadavg1Min, loadavg5Min, loadavg15Min}, nil
|
|
}
|