Abbey Woodyear
2 years ago
committed by
GitHub
7 changed files with 177 additions and 0 deletions
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CPU0 CPU1 |
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HI: 7 1 |
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TIMER: 424191 108342 |
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NET_TX: 2301 2430 |
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NET_RX: 43066 104508 |
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BLOCK: 23776 24115 |
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IRQ_POLL: 0 0 |
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TASKLET: 372 1899 |
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SCHED: 378895 152852 |
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HRTIMER: 40 346 |
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RCU: 155929 146631 |
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// Copyright 2023 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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//go:build !nosoftirqs
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// +build !nosoftirqs
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package collector |
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import ( |
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"fmt" |
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"strconv" |
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"github.com/prometheus/client_golang/prometheus" |
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) |
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var ( |
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softirqLabelNames = []string{"cpu", "type"} |
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) |
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func (c *softirqsCollector) Update(ch chan<- prometheus.Metric) (err error) { |
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softirqs, err := c.fs.Softirqs() |
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if err != nil { |
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return fmt.Errorf("couldn't get softirqs: %w", err) |
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} |
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for cpuNo, value := range softirqs.Hi { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "HI") |
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} |
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for cpuNo, value := range softirqs.Timer { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "TIMER") |
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} |
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for cpuNo, value := range softirqs.NetTx { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "NET_TX") |
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} |
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for cpuNo, value := range softirqs.NetRx { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "NET_RX") |
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} |
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for cpuNo, value := range softirqs.Block { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "BLOCK") |
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} |
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for cpuNo, value := range softirqs.IRQPoll { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "IRQ_POLL") |
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} |
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for cpuNo, value := range softirqs.Tasklet { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "TASKLET") |
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} |
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for cpuNo, value := range softirqs.Sched { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "SCHED") |
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} |
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for cpuNo, value := range softirqs.HRTimer { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "HRTIMER") |
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} |
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for cpuNo, value := range softirqs.RCU { |
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ch <- c.desc.mustNewConstMetric(float64(value), strconv.Itoa(cpuNo), "RCU") |
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} |
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return err |
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} |
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@ -0,0 +1,50 @@ |
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// Copyright 2023 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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//go:build linux && !nosoftirqs
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// +build linux,!nosoftirqs
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package collector |
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import ( |
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"fmt" |
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"github.com/go-kit/log" |
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"github.com/prometheus/client_golang/prometheus" |
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"github.com/prometheus/procfs" |
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) |
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type softirqsCollector struct { |
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fs procfs.FS |
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desc typedDesc |
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logger log.Logger |
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} |
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func init() { |
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registerCollector("softirqs", defaultDisabled, NewSoftirqsCollector) |
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} |
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// NewSoftirqsCollector returns a new Collector exposing softirq stats.
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func NewSoftirqsCollector(logger log.Logger) (Collector, error) { |
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desc := typedDesc{prometheus.NewDesc( |
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namespace+"_softirqs_functions_total", |
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"Softirq counts per CPU.", |
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softirqLabelNames, nil, |
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), prometheus.CounterValue} |
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fs, err := procfs.NewFS(*procPath) |
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if err != nil { |
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return nil, fmt.Errorf("failed to open procfs: %w", err) |
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} |
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return &softirqsCollector{fs, desc, logger}, nil |
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} |
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