node_exporter/collector/interrupts_common.go
Ben Kochie e0c4a47a02
Add interrupts collector filtering (#3028)
In order to reduce cardinality of the interrupts collector add
filtering options
* Add include/exclude regexp filter flags.
* Add boolean flag to include zero values, enabled by default.

Signed-off-by: Ben Kochie <superq@gmail.com>
2024-07-14 16:17:20 +02:00

56 lines
2 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.
//go:build (linux || openbsd) && !nointerrupts
// +build linux openbsd
// +build !nointerrupts
package collector
import (
"github.com/alecthomas/kingpin/v2"
"github.com/go-kit/log"
"github.com/prometheus/client_golang/prometheus"
)
type interruptsCollector struct {
desc typedDesc
logger log.Logger
nameFilter deviceFilter
includeZeros bool
}
func init() {
registerCollector("interrupts", defaultDisabled, NewInterruptsCollector)
}
var (
interruptsInclude = kingpin.Flag("collector.interrupts.name-include", "Regexp of interrupts name to include (mutually exclusive to --collector.interrupts.name-exclude).").String()
interruptsExclude = kingpin.Flag("collector.interrupts.name-exclude", "Regexp of interrupts name to exclude (mutually exclusive to --collector.interrupts.name-include).").String()
interruptsIncludeZeros = kingpin.Flag("collector.interrupts.include-zeros", "Include interrupts that have a zero value").Default("true").Bool()
)
// NewInterruptsCollector returns a new Collector exposing interrupts stats.
func NewInterruptsCollector(logger log.Logger) (Collector, error) {
return &interruptsCollector{
desc: typedDesc{prometheus.NewDesc(
namespace+"_interrupts_total",
"Interrupt details.",
interruptLabelNames, nil,
), prometheus.CounterValue},
logger: logger,
nameFilter: newDeviceFilter(*interruptsExclude, *interruptsInclude),
includeZeros: *interruptsIncludeZeros,
}, nil
}