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// Copyright 2024 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 !nomeminfo
// +build !nomeminfo
package collector
import (
"log/slog"
"github.com/power-devops/perfstat"
)
type meminfoCollector struct {
logger *slog.Logger
}
// NewMeminfoCollector returns a new Collector exposing memory stats.
func NewMeminfoCollector(logger *slog.Logger) (Collector, error) {
return &meminfoCollector{
logger: logger,
}, nil
}
func (c *meminfoCollector) getMemInfo() (map[string]float64, error) {
stats, err := perfstat.MemoryTotalStat()
if err != nil {
return nil, err
}
return map[string]float64{
"total_bytes": float64(stats.RealTotal * 4096),
"free_bytes": float64(stats.RealFree * 4096),
"available_bytes": float64(stats.RealAvailable * 4096),
}, nil
}
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