consul/vendor/github.com/shirou/gopsutil/internal/common/common_linux.go

44 lines
758 B
Go

// +build linux
package common
import (
"os"
"os/exec"
"strings"
)
func DoSysctrl(mib string) ([]string, error) {
err := os.Setenv("LC_ALL", "C")
if err != nil {
return []string{}, err
}
sysctl, err := exec.LookPath("/sbin/sysctl")
if err != nil {
return []string{}, err
}
out, err := exec.Command(sysctl, "-n", mib).Output()
if err != nil {
return []string{}, err
}
v := strings.Replace(string(out), "{ ", "", 1)
v = strings.Replace(string(v), " }", "", 1)
values := strings.Fields(string(v))
return values, nil
}
func NumProcs() (uint64, error) {
f, err := os.Open(HostProc())
if err != nil {
return 0, err
}
list, err := f.Readdir(-1)
defer f.Close()
if err != nil {
return 0, err
}
return uint64(len(list)), err
}