Fix wrong value for OpenBSD memory buffer cache
Fixes #1972 Signed-off-by: ston1th <ston1th@giftfish.de>
This commit is contained in:
parent
7717702c96
commit
2b7aa4c303
|
@ -20,18 +20,54 @@ import (
|
|||
"unsafe"
|
||||
)
|
||||
|
||||
const (
|
||||
CTL_VFS = 10
|
||||
VFS_GENERIC = 0
|
||||
VFS_BCACHESTAT = 3
|
||||
)
|
||||
|
||||
type bcachestats struct {
|
||||
Numbufs int64
|
||||
Numbufpages int64
|
||||
Numdirtypages int64
|
||||
Numcleanpages int64
|
||||
Pendingwrites int64
|
||||
Pendingreads int64
|
||||
Numwrites int64
|
||||
Numreads int64
|
||||
Cachehits int64
|
||||
Busymapped int64
|
||||
Dmapages int64
|
||||
Highpages int64
|
||||
Delwribufs int64
|
||||
Kvaslots int64
|
||||
Kvaslots_avail int64
|
||||
Highflips int64
|
||||
Highflops int64
|
||||
Dmaflips int64
|
||||
}
|
||||
|
||||
func (c *meminfoCollector) getMemInfo() (map[string]float64, error) {
|
||||
uvmexpb, err := unix.SysctlRaw("vm.uvmexp")
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
mib := [3]_C_int{CTL_VFS, VFS_GENERIC, VFS_BCACHESTAT}
|
||||
bcstatsb, err := sysctl(mib[:])
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
uvmexp := *(*unix.Uvmexp)(unsafe.Pointer(&uvmexpb[0]))
|
||||
ps := float64(uvmexp.Pagesize)
|
||||
|
||||
bcstats := *(*bcachestats)(unsafe.Pointer(&bcstatsb[0]))
|
||||
|
||||
// see uvm(9)
|
||||
return map[string]float64{
|
||||
"active_bytes": ps * float64(uvmexp.Active),
|
||||
"cache_bytes": ps * float64(uvmexp.Vnodepages),
|
||||
"cache_bytes": ps * float64(bcstats.Numbufpages),
|
||||
"free_bytes": ps * float64(uvmexp.Free),
|
||||
"inactive_bytes": ps * float64(uvmexp.Inactive),
|
||||
"size_bytes": ps * float64(uvmexp.Npages),
|
||||
|
|
Loading…
Reference in New Issue