mirror of
https://github.com/VictoriaMetrics/VictoriaMetrics.git
synced 2024-12-22 16:36:27 +01:00
21 lines
440 B
Go
21 lines
440 B
Go
package memory
|
|
|
|
import (
|
|
"github.com/VictoriaMetrics/VictoriaMetrics/lib/logger"
|
|
"golang.org/x/sys/unix"
|
|
)
|
|
|
|
const PHYS_PAGES = 0x1f4
|
|
|
|
func sysTotalMemory() int {
|
|
memPageSize := unix.Getpagesize()
|
|
// https://man7.org/linux/man-pages/man3/sysconf.3.html
|
|
// _SC_PHYS_PAGES
|
|
memPagesCnt, err := unix.Sysconf(PHYS_PAGES)
|
|
if err != nil {
|
|
logger.Panicf("FATAL: error in unix.Sysconf: %s", err)
|
|
}
|
|
|
|
return memPageSize * int(memPagesCnt)
|
|
}
|