mirror of
https://github.com/prometheus/node_exporter.git
synced 2024-11-10 07:34:09 -08:00
52 lines
1.5 KiB
Go
52 lines
1.5 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.
|
|
|
|
// +build freebsd dragonfly
|
|
// +build !nomeminfo
|
|
|
|
package collector
|
|
|
|
import (
|
|
"fmt"
|
|
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
func (c *meminfoCollector) getMemInfo() (map[string]float64, error) {
|
|
info := make(map[string]float64)
|
|
|
|
size, err := unix.SysctlUint32("vm.stats.vm.v_page_size")
|
|
if err != nil {
|
|
return nil, fmt.Errorf("sysctl(vm.stats.vm.v_page_size) failed: %s", err)
|
|
}
|
|
|
|
for key, v := range map[string]string{
|
|
"active": "vm.stats.vm.v_active_count",
|
|
"inactive": "vm.stats.vm.v_inactive_count",
|
|
"wire": "vm.stats.vm.v_wire_count",
|
|
"cache": "vm.stats.vm.v_cache_count",
|
|
"free": "vm.stats.vm.v_free_count",
|
|
"swappgsin": "vm.stats.vm.v_swappgsin",
|
|
"swappgsout": "vm.stats.vm.v_swappgsout",
|
|
"total": "vm.stats.vm.v_page_count",
|
|
} {
|
|
value, err := unix.SysctlUint32(v)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
// Convert metrics to kB (same as Linux meminfo).
|
|
info[key] = float64(value) * float64(size)
|
|
}
|
|
return info, nil
|
|
}
|