.github
alerting
client
config
core
docs
example
jsonpath
k8s
k8stest
metric
pattern
security
static
vendor
cloud.google.com
github.com
beorn7
cespare
davecgh
gogo
golang
google
googleapis
imdario
json-iterator
matttproud
modern-go
prometheus
client_golang
client_model
common
procfs
internal
.gitignore
.golangci.yml
CONTRIBUTING.md
LICENSE
MAINTAINERS.md
Makefile
Makefile.common
NOTICE
README.md
arp.go
buddyinfo.go
cpuinfo.go
cpuinfo_arm.go
cpuinfo_arm64.go
cpuinfo_default.go
cpuinfo_mips.go
cpuinfo_mips64.go
cpuinfo_mips64le.go
cpuinfo_mipsle.go
cpuinfo_ppc64.go
cpuinfo_ppc64le.go
cpuinfo_s390x.go
crypto.go
doc.go
fixtures.ttar
fs.go
fscache.go
go.mod
go.sum
ipvs.go
kernel_random.go
loadavg.go
mdstat.go
meminfo.go
mountinfo.go
mountstats.go
net_conntrackstat.go
net_dev.go
net_sockstat.go
net_softnet.go
net_udp.go
net_unix.go
proc.go
proc_cgroup.go
proc_environ.go
proc_fdinfo.go
proc_io.go
proc_limits.go
proc_maps.go
proc_ns.go
proc_psi.go
proc_smaps.go
proc_stat.go
proc_status.go
schedstat.go
stat.go
swaps.go
ttar
vm.go
xfrm.go
zoneinfo.go
spf13
golang.org
google.golang.org
gopkg.in
k8s.io
sigs.k8s.io
modules.txt
watchdog
.dockerignore
.gitattributes
.gitignore
Dockerfile
LICENSE.md
README.md
config.yaml
go.mod
go.sum
gzip.go
main.go
63 lines
1.6 KiB
Go
63 lines
1.6 KiB
Go
// Copyright 2019 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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package procfs
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import (
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"fmt"
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"strconv"
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"strings"
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"github.com/prometheus/procfs/internal/util"
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)
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// LoadAvg represents an entry in /proc/loadavg
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type LoadAvg struct {
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Load1 float64
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Load5 float64
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Load15 float64
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}
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// LoadAvg returns loadavg from /proc.
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func (fs FS) LoadAvg() (*LoadAvg, error) {
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path := fs.proc.Path("loadavg")
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data, err := util.ReadFileNoStat(path)
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if err != nil {
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return nil, err
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}
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return parseLoad(data)
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}
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// Parse /proc loadavg and return 1m, 5m and 15m.
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func parseLoad(loadavgBytes []byte) (*LoadAvg, error) {
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loads := make([]float64, 3)
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parts := strings.Fields(string(loadavgBytes))
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if len(parts) < 3 {
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return nil, fmt.Errorf("malformed loadavg line: too few fields in loadavg string: %s", string(loadavgBytes))
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}
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var err error
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for i, load := range parts[0:3] {
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loads[i], err = strconv.ParseFloat(load, 64)
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if err != nil {
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return nil, fmt.Errorf("could not parse load '%s': %s", load, err)
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}
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}
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return &LoadAvg{
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Load1: loads[0],
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Load5: loads[1],
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Load15: loads[2],
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}, nil
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}
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