1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
package cpuid
import (
"os/exec"
"strconv"
"strings"
"testing"
)
// Tests that the returned L1 instruction cache value matches the value returned from
// a call to the OS `sysctl` utility. Skips the test if we can't run it.
func TestDarwinL1ICache(t *testing.T) {
out, err := exec.Command("/usr/sbin/sysctl", "-n", "hw.l1icachesize").Output()
if err != nil {
t.Skipf("cannot run sysctl utility: %v", err)
return
}
v, err := strconv.ParseInt(strings.TrimSpace(string(out)), 10, 0)
if err != nil {
t.Skipf("sysctl output %q could not be parsed as int: %v", string(out), err)
return
}
if CPU.Cache.L1I != int(v) {
t.Fatalf("sysctl output %q did not match CPU.Cache.L1I %d", string(out), CPU.Cache.L1I)
}
}
// Tests that the returned L1 data cache value matches the value returned from a call
// to the OS `sysctl` utility. Skips the test if we can't run it.
func TestDarwinL1DCache(t *testing.T) {
out, err := exec.Command("/usr/sbin/sysctl", "-n", "hw.l1dcachesize").Output()
if err != nil {
t.Skipf("cannot run sysctl utility: %v", err)
return
}
v, err := strconv.ParseInt(strings.TrimSpace(string(out)), 10, 0)
if err != nil {
t.Skipf("sysctl output %q could not be parsed as int: %v", string(out), err)
return
}
if CPU.Cache.L1D != int(v) {
t.Fatalf("sysctl output %q did not match CPU.Cache.L1D %d", string(out), CPU.Cache.L1D)
}
}
|
