You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
41 lines
736 B
41 lines
736 B
// +build linux |
|
|
|
package common |
|
|
|
import ( |
|
"os" |
|
"os/exec" |
|
"strings" |
|
) |
|
|
|
func DoSysctrl(mib string) ([]string, error) { |
|
sysctl, err := exec.LookPath("/sbin/sysctl") |
|
if err != nil { |
|
return []string{}, err |
|
} |
|
cmd := exec.Command(sysctl, "-n", mib) |
|
cmd.Env = getSysctrlEnv(os.Environ()) |
|
out, err := cmd.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 |
|
} |
|
defer f.Close() |
|
|
|
list, err := f.Readdirnames(-1) |
|
if err != nil { |
|
return 0, err |
|
} |
|
return uint64(len(list)), err |
|
}
|
|
|