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SReclaimable should be added to Cached Memory

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This commit is contained in:
Minje Park 2018-12-14 00:48:38 +09:00
parent cce2d16538
commit f9e238c38b
3 changed files with 8 additions and 2 deletions
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3
mem/mem.go
View File

@ -44,7 +44,7 @@ type VirtualMemoryStat struct {
// FreeBSD specific numbers:
// https://reviews.freebsd.org/D8467
Laundry uint64 `json:"laundry"`
Laundry uint64 `json:"laundry"`
// Linux specific numbers
// https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s2-proc-meminfo.html
@ -57,6 +57,7 @@ type VirtualMemoryStat struct {
WritebackTmp uint64 `json:"writebacktmp"`
Shared uint64 `json:"shared"`
Slab uint64 `json:"slab"`
SReclaimable uint64 `json:"sreclaimable"`
PageTables uint64 `json:"pagetables"`
SwapCached uint64 `json:"swapcached"`
CommitLimit uint64 `json:"commitlimit"`

5
mem/mem_linux.go
View File

@ -61,6 +61,8 @@ func VirtualMemoryWithContext(ctx context.Context) (*VirtualMemoryStat, error) {
ret.Shared = t * 1024
case "Slab":
ret.Slab = t * 1024
case "SReclaimable":
ret.SReclaimable = t * 1024
case "PageTables":
ret.PageTables = t * 1024
case "SwapCached":
@ -97,6 +99,9 @@ func VirtualMemoryWithContext(ctx context.Context) (*VirtualMemoryStat, error) {
ret.HugePageSize = t * 1024
}
}
ret.Cached += ret.SReclaimable
if !memavail {
ret.Available = ret.Free + ret.Buffers + ret.Cached
}

2
mem/mem_test.go
View File

@ -71,7 +71,7 @@ func TestVirtualMemoryStat_String(t *testing.T) {
UsedPercent: 30.1,
Free: 40,
}
e := `{"total":10,"available":20,"used":30,"usedPercent":30.1,"free":40,"active":0,"inactive":0,"wired":0,"laundry":0,"buffers":0,"cached":0,"writeback":0,"dirty":0,"writebacktmp":0,"shared":0,"slab":0,"pagetables":0,"swapcached":0,"commitlimit":0,"committedas":0,"hightotal":0,"highfree":0,"lowtotal":0,"lowfree":0,"swaptotal":0,"swapfree":0,"mapped":0,"vmalloctotal":0,"vmallocused":0,"vmallocchunk":0,"hugepagestotal":0,"hugepagesfree":0,"hugepagesize":0}`
e := `{"total":10,"available":20,"used":30,"usedPercent":30.1,"free":40,"active":0,"inactive":0,"wired":0,"laundry":0,"buffers":0,"cached":0,"writeback":0,"dirty":0,"writebacktmp":0,"shared":0,"slab":0,"sreclaimable":0,"pagetables":0,"swapcached":0,"commitlimit":0,"committedas":0,"hightotal":0,"highfree":0,"lowtotal":0,"lowfree":0,"swaptotal":0,"swapfree":0,"mapped":0,"vmalloctotal":0,"vmallocused":0,"vmallocchunk":0,"hugepagestotal":0,"hugepagesfree":0,"hugepagesize":0}`
if e != fmt.Sprintf("%v", v) {
t.Errorf("VirtualMemoryStat string is invalid: %v", v)
}