/
meminfo.go
62 lines (54 loc) · 1.75 KB
/
meminfo.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
// Copyright 2018 Steven Lee <geekerlw.gmail.com>
//
// 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.
package funcs
import (
"log"
"github.com/open-falcon/falcon-plus/common/model"
"github.com/shirou/gopsutil/mem"
)
var (
swap *mem.SwapMemoryStat
virtual *mem.VirtualMemoryStat
)
func memStateUpdate() (*mem.SwapMemoryStat, *mem.VirtualMemoryStat, error) {
s, errs := mem.SwapMemory()
if errs != nil {
log.Printf("failed to update swap memory state\n")
return nil, nil, errs
}
v, errv := mem.VirtualMemory()
if errv != nil {
log.Printf("failed to update virtual memory state\n")
return nil, nil, errv
}
return s, v, nil
}
func MemMetrics() []*model.MetricValue {
swap, virtual, err := memStateUpdate()
if err != nil {
log.Printf("failed to get memory info: %v\n", err)
return []*model.MetricValue{}
}
return []*model.MetricValue{
GaugeValue("mem.swap.total", swap.Total),
GaugeValue("mem.swap.used", swap.Used),
GaugeValue("mem.swap.free", swap.Free),
GaugeValue("mem.swap.used.percent", swap.UsedPercent),
GaugeValue("mem.total", virtual.Total),
GaugeValue("mem.available", virtual.Available),
GaugeValue("mem.used", virtual.Used),
GaugeValue("mem.free", virtual.Free),
GaugeValue("mem.used.percent", virtual.UsedPercent),
}
}