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// Copyright 2023 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 && !nosoftirqs
// +build linux,!nosoftirqs
package collector
import (
"fmt"
"log/slog"
"github.com/prometheus/client_golang/prometheus"
"github.com/prometheus/procfs"
)
type softirqsCollector struct {
fs procfs.FS
desc typedDesc
logger *slog.Logger
}
func init() {
registerCollector("softirqs", defaultDisabled, NewSoftirqsCollector)
}
// NewSoftirqsCollector returns a new Collector exposing softirq stats.
func NewSoftirqsCollector(logger *slog.Logger) (Collector, error) {
desc := typedDesc{prometheus.NewDesc(
namespace+"_softirqs_functions_total",
"Softirq counts per CPU.",
softirqLabelNames, nil,
), prometheus.CounterValue}
fs, err := procfs.NewFS(*procPath)
if err != nil {
return nil, fmt.Errorf("failed to open procfs: %w", err)
}
return &softirqsCollector{fs, desc, logger}, nil
}
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