66 lines
1.9 KiB
Go
66 lines
1.9 KiB
Go
// Copyright 2019 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 !windows
|
|
|
|
package prometheus
|
|
|
|
import (
|
|
"github.com/prometheus/procfs"
|
|
)
|
|
|
|
func canCollectProcess() bool {
|
|
_, err := procfs.NewDefaultFS()
|
|
return err == nil
|
|
}
|
|
|
|
func (c *processCollector) processCollect(ch chan<- Metric) {
|
|
pid, err := c.pidFn()
|
|
if err != nil {
|
|
c.reportError(ch, nil, err)
|
|
return
|
|
}
|
|
|
|
p, err := procfs.NewProc(pid)
|
|
if err != nil {
|
|
c.reportError(ch, nil, err)
|
|
return
|
|
}
|
|
|
|
if stat, err := p.Stat(); err == nil {
|
|
ch <- MustNewConstMetric(c.cpuTotal, CounterValue, stat.CPUTime())
|
|
ch <- MustNewConstMetric(c.vsize, GaugeValue, float64(stat.VirtualMemory()))
|
|
ch <- MustNewConstMetric(c.rss, GaugeValue, float64(stat.ResidentMemory()))
|
|
if startTime, err := stat.StartTime(); err == nil {
|
|
ch <- MustNewConstMetric(c.startTime, GaugeValue, startTime)
|
|
} else {
|
|
c.reportError(ch, c.startTime, err)
|
|
}
|
|
} else {
|
|
c.reportError(ch, nil, err)
|
|
}
|
|
|
|
if fds, err := p.FileDescriptorsLen(); err == nil {
|
|
ch <- MustNewConstMetric(c.openFDs, GaugeValue, float64(fds))
|
|
} else {
|
|
c.reportError(ch, c.openFDs, err)
|
|
}
|
|
|
|
if limits, err := p.Limits(); err == nil {
|
|
ch <- MustNewConstMetric(c.maxFDs, GaugeValue, float64(limits.OpenFiles))
|
|
ch <- MustNewConstMetric(c.maxVsize, GaugeValue, float64(limits.AddressSpace))
|
|
} else {
|
|
c.reportError(ch, nil, err)
|
|
}
|
|
}
|