119 lines
3.6 KiB
Go
119 lines
3.6 KiB
Go
package mem
|
|
|
|
import (
|
|
"encoding/json"
|
|
|
|
"github.com/shirou/gopsutil/v3/internal/common"
|
|
)
|
|
|
|
var invoke common.Invoker = 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"`
|
|
|
|
// FreeBSD specific numbers:
|
|
// https://reviews.freebsd.org/D8467
|
|
Laundry uint64 `json:"laundry"`
|
|
|
|
// 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
|
|
// https://www.kernel.org/doc/Documentation/vm/overcommit-accounting
|
|
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"`
|
|
Sreclaimable uint64 `json:"sreclaimable"`
|
|
Sunreclaim uint64 `json:"sunreclaim"`
|
|
PageTables uint64 `json:"pageTables"`
|
|
SwapCached uint64 `json:"swapCached"`
|
|
CommitLimit uint64 `json:"commitLimit"`
|
|
CommittedAS uint64 `json:"committedAS"`
|
|
HighTotal uint64 `json:"highTotal"`
|
|
HighFree uint64 `json:"highFree"`
|
|
LowTotal uint64 `json:"lowTotal"`
|
|
LowFree uint64 `json:"lowFree"`
|
|
SwapTotal uint64 `json:"swapTotal"`
|
|
SwapFree uint64 `json:"swapFree"`
|
|
Mapped uint64 `json:"mapped"`
|
|
VmallocTotal uint64 `json:"vmallocTotal"`
|
|
VmallocUsed uint64 `json:"vmallocUsed"`
|
|
VmallocChunk uint64 `json:"vmallocChunk"`
|
|
HugePagesTotal uint64 `json:"hugePagesTotal"`
|
|
HugePagesFree uint64 `json:"hugePagesFree"`
|
|
HugePagesRsvd uint64 `json:"hugePagesRsvd"`
|
|
HugePagesSurp uint64 `json:"hugePagesSurp"`
|
|
HugePageSize uint64 `json:"hugePageSize"`
|
|
}
|
|
|
|
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"`
|
|
PgIn uint64 `json:"pgIn"`
|
|
PgOut uint64 `json:"pgOut"`
|
|
PgFault uint64 `json:"pgFault"`
|
|
|
|
// Linux specific numbers
|
|
// https://www.kernel.org/doc/Documentation/cgroup-v2.txt
|
|
PgMajFault uint64 `json:"pgMajFault"`
|
|
}
|
|
|
|
func (m VirtualMemoryStat) String() string {
|
|
s, _ := json.Marshal(m)
|
|
return string(s)
|
|
}
|
|
|
|
func (m SwapMemoryStat) String() string {
|
|
s, _ := json.Marshal(m)
|
|
return string(s)
|
|
}
|
|
|
|
type SwapDevice struct {
|
|
Name string `json:"name"`
|
|
UsedBytes uint64 `json:"usedBytes"`
|
|
FreeBytes uint64 `json:"freeBytes"`
|
|
}
|
|
|
|
func (m SwapDevice) String() string {
|
|
s, _ := json.Marshal(m)
|
|
return string(s)
|
|
}
|