113 lines
3.4 KiB
Go
113 lines
3.4 KiB
Go
// Licensed to Elasticsearch B.V. under one or more contributor
|
|
// license agreements. See the NOTICE file distributed with
|
|
// this work for additional information regarding copyright
|
|
// ownership. Elasticsearch B.V. licenses this file to you 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 darwin freebsd linux openbsd windows
|
|
|
|
package cpu
|
|
|
|
import (
|
|
"strings"
|
|
|
|
"github.com/pkg/errors"
|
|
|
|
"github.com/elastic/beats/libbeat/common"
|
|
"github.com/elastic/beats/libbeat/metric/system/cpu"
|
|
"github.com/elastic/beats/metricbeat/mb"
|
|
"github.com/elastic/beats/metricbeat/mb/parse"
|
|
)
|
|
|
|
func init() {
|
|
mb.Registry.MustAddMetricSet("system", "cpu", New,
|
|
mb.WithHostParser(parse.EmptyHostParser),
|
|
mb.DefaultMetricSet(),
|
|
)
|
|
}
|
|
|
|
// MetricSet for fetching system CPU metrics.
|
|
type MetricSet struct {
|
|
mb.BaseMetricSet
|
|
config Config
|
|
cpu *cpu.Monitor
|
|
}
|
|
|
|
// New is a mb.MetricSetFactory that returns a cpu.MetricSet.
|
|
func New(base mb.BaseMetricSet) (mb.MetricSet, error) {
|
|
config := defaultConfig
|
|
if err := base.Module().UnpackConfig(&config); err != nil {
|
|
return nil, err
|
|
}
|
|
|
|
if config.CPUTicks != nil && *config.CPUTicks {
|
|
config.Metrics = append(config.Metrics, "ticks")
|
|
}
|
|
|
|
return &MetricSet{
|
|
BaseMetricSet: base,
|
|
config: config,
|
|
cpu: new(cpu.Monitor),
|
|
}, nil
|
|
}
|
|
|
|
// Fetch fetches CPU metrics from the OS.
|
|
func (m *MetricSet) Fetch() (common.MapStr, error) {
|
|
sample, err := m.cpu.Sample()
|
|
if err != nil {
|
|
return nil, errors.Wrap(err, "failed to fetch CPU times")
|
|
}
|
|
|
|
event := common.MapStr{"cores": cpu.NumCores}
|
|
|
|
for _, metric := range m.config.Metrics {
|
|
switch strings.ToLower(metric) {
|
|
case percentages:
|
|
pct := sample.Percentages()
|
|
event.Put("user.pct", pct.User)
|
|
event.Put("system.pct", pct.System)
|
|
event.Put("idle.pct", pct.Idle)
|
|
event.Put("iowait.pct", pct.IOWait)
|
|
event.Put("irq.pct", pct.IRQ)
|
|
event.Put("nice.pct", pct.Nice)
|
|
event.Put("softirq.pct", pct.SoftIRQ)
|
|
event.Put("steal.pct", pct.Steal)
|
|
event.Put("total.pct", pct.Total)
|
|
case normalizedPercentages:
|
|
normalizedPct := sample.NormalizedPercentages()
|
|
event.Put("user.norm.pct", normalizedPct.User)
|
|
event.Put("system.norm.pct", normalizedPct.System)
|
|
event.Put("idle.norm.pct", normalizedPct.Idle)
|
|
event.Put("iowait.norm.pct", normalizedPct.IOWait)
|
|
event.Put("irq.norm.pct", normalizedPct.IRQ)
|
|
event.Put("nice.norm.pct", normalizedPct.Nice)
|
|
event.Put("softirq.norm.pct", normalizedPct.SoftIRQ)
|
|
event.Put("steal.norm.pct", normalizedPct.Steal)
|
|
event.Put("total.norm.pct", normalizedPct.Total)
|
|
case ticks:
|
|
ticks := sample.Ticks()
|
|
event.Put("user.ticks", ticks.User)
|
|
event.Put("system.ticks", ticks.System)
|
|
event.Put("idle.ticks", ticks.Idle)
|
|
event.Put("iowait.ticks", ticks.IOWait)
|
|
event.Put("irq.ticks", ticks.IRQ)
|
|
event.Put("nice.ticks", ticks.Nice)
|
|
event.Put("softirq.ticks", ticks.SoftIRQ)
|
|
event.Put("steal.ticks", ticks.Steal)
|
|
}
|
|
}
|
|
|
|
return event, nil
|
|
}
|