81 lines
2.2 KiB
Go
81 lines
2.2 KiB
Go
package mem
|
|
|
|
import (
|
|
"encoding/json"
|
|
|
|
"github.com/shirou/gopsutil/internal/common"
|
|
)
|
|
|
|
var invoke common.Invoker
|
|
|
|
func init() {
|
|
invoke = common.Invoke{}
|
|
}
|
|
|
|
// Memory usage statistics. Total, Available and Used contain numbers of bytes
|
|
// for human consumption.
|
|
//
|
|
// The other fields in this struct contain kernel specific values.
|
|
type VirtualMemoryStat struct {
|
|
// Total amount of RAM on this system
|
|
Total uint64 `json:"total"`
|
|
|
|
// RAM available for programs to allocate
|
|
//
|
|
// This value is computed from the kernel specific values.
|
|
Available uint64 `json:"available"`
|
|
|
|
// RAM used by programs
|
|
//
|
|
// This value is computed from the kernel specific values.
|
|
Used uint64 `json:"used"`
|
|
|
|
// Percentage of RAM used by programs
|
|
//
|
|
// This value is computed from the kernel specific values.
|
|
UsedPercent float64 `json:"usedPercent"`
|
|
|
|
// This is the kernel's notion of free memory; RAM chips whose bits nobody
|
|
// cares about the value of right now. For a human consumable number,
|
|
// Available is what you really want.
|
|
Free uint64 `json:"free"`
|
|
|
|
// OS X / BSD specific numbers:
|
|
// http://www.macyourself.com/2010/02/17/what-is-free-wired-active-and-inactive-system-memory-ram/
|
|
Active uint64 `json:"active"`
|
|
Inactive uint64 `json:"inactive"`
|
|
Wired uint64 `json:"wired"`
|
|
|
|
// Linux specific numbers
|
|
// https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s2-proc-meminfo.html
|
|
// https://www.kernel.org/doc/Documentation/filesystems/proc.txt
|
|
Buffers uint64 `json:"buffers"`
|
|
Cached uint64 `json:"cached"`
|
|
Writeback uint64 `json:"writeback"`
|
|
Dirty uint64 `json:"dirty"`
|
|
WritebackTmp uint64 `json:"writebacktmp"`
|
|
Shared uint64 `json:"shared"`
|
|
Slab uint64 `json:"slab"`
|
|
PageTables uint64 `json:"pagetables"`
|
|
SwapCached uint64 `json:"swapcached"`
|
|
}
|
|
|
|
type SwapMemoryStat struct {
|
|
Total uint64 `json:"total"`
|
|
Used uint64 `json:"used"`
|
|
Free uint64 `json:"free"`
|
|
UsedPercent float64 `json:"usedPercent"`
|
|
Sin uint64 `json:"sin"`
|
|
Sout uint64 `json:"sout"`
|
|
}
|
|
|
|
func (m VirtualMemoryStat) String() string {
|
|
s, _ := json.Marshal(m)
|
|
return string(s)
|
|
}
|
|
|
|
func (m SwapMemoryStat) String() string {
|
|
s, _ := json.Marshal(m)
|
|
return string(s)
|
|
}
|