mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-12-26 22:19:44 -08:00
85e20238e7
* Add clocksource metrics to time collector This closes #1336 Signed-off-by: Johannes 'fish' Ziemke <github@freigeist.org>
49 lines
1.4 KiB
Go
49 lines
1.4 KiB
Go
// Copyright 2021 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.
|
|
|
|
//go:build linux && !notime
|
|
// +build linux,!notime
|
|
|
|
package collector
|
|
|
|
import (
|
|
"fmt"
|
|
"strconv"
|
|
|
|
"github.com/go-kit/log/level"
|
|
"github.com/prometheus/client_golang/prometheus"
|
|
"github.com/prometheus/procfs/sysfs"
|
|
)
|
|
|
|
func (c *timeCollector) update(ch chan<- prometheus.Metric) error {
|
|
fs, err := sysfs.NewFS(*sysPath)
|
|
if err != nil {
|
|
return fmt.Errorf("failed to open procfs: %w", err)
|
|
}
|
|
|
|
clocksources, err := fs.ClockSources()
|
|
if err != nil {
|
|
return fmt.Errorf("couldn't get clocksources: %w", err)
|
|
}
|
|
level.Debug(c.logger).Log("msg", "in Update", "clocksources", fmt.Sprintf("%v", clocksources))
|
|
|
|
for i, clocksource := range clocksources {
|
|
is := strconv.Itoa(i)
|
|
for _, cs := range clocksource.Available {
|
|
ch <- c.clocksourcesAvailable.mustNewConstMetric(1.0, is, cs)
|
|
}
|
|
ch <- c.clocksourceCurrent.mustNewConstMetric(1.0, is, clocksource.Current)
|
|
}
|
|
return nil
|
|
}
|