shirou_gopsutil/cpu/cpu_linux_test.go

108 lines
2.7 KiB
Go

package cpu
import (
"errors"
"os/exec"
"strconv"
"strings"
"testing"
)
func TestTimesEmpty(t *testing.T) {
t.Setenv("HOST_PROC", "testdata/linux/times_empty")
_, err := Times(true)
if err != nil {
t.Error("Times(true) failed")
}
_, err = Times(false)
if err != nil {
t.Error("Times(false) failed")
}
}
func TestCPUparseStatLine_424(t *testing.T) {
t.Setenv("HOST_PROC", "testdata/linux/424/proc")
{
l, err := Times(true)
if err != nil || len(l) == 0 {
t.Error("Times(true) failed")
}
t.Logf("Times(true): %#v", l)
}
{
l, err := Times(false)
if err != nil || len(l) == 0 {
t.Error("Times(false) failed")
}
t.Logf("Times(false): %#v", l)
}
}
func TestCPUCountsAgainstLscpu(t *testing.T) {
cmd := exec.Command("lscpu")
cmd.Env = []string{"LC_ALL=C"}
out, err := cmd.Output()
if err != nil {
if errors.Is(err, exec.ErrNotFound) {
t.Skip("no lscpu to compare with")
}
t.Errorf("error executing lscpu: %v", err)
}
var threadsPerCore, coresPerSocket, sockets, books, drawers int
books = 1
drawers = 1
lines := strings.Split(string(out), "\n")
for _, line := range lines {
fields := strings.Split(line, ":")
if len(fields) < 2 {
continue
}
switch fields[0] {
case "Thread(s) per core":
threadsPerCore, _ = strconv.Atoi(strings.TrimSpace(fields[1]))
case "Core(s) per socket":
coresPerSocket, _ = strconv.Atoi(strings.TrimSpace(fields[1]))
case "Socket(s)", "Socket(s) per book":
sockets, _ = strconv.Atoi(strings.TrimSpace(fields[1]))
case "Book(s) per drawer":
books, _ = strconv.Atoi(strings.TrimSpace(fields[1]))
case "Drawer(s)":
drawers, _ = strconv.Atoi(strings.TrimSpace(fields[1]))
}
}
if threadsPerCore == 0 || coresPerSocket == 0 || sockets == 0 {
t.Errorf("missing info from lscpu: threadsPerCore=%d coresPerSocket=%d sockets=%d", threadsPerCore, coresPerSocket, sockets)
}
expectedPhysical := coresPerSocket * sockets * books * drawers
expectedLogical := expectedPhysical * threadsPerCore
physical, err := Counts(false)
skipIfNotImplementedErr(t, err)
if err != nil {
t.Errorf("error %v", err)
}
logical, err := Counts(true)
skipIfNotImplementedErr(t, err)
if err != nil {
t.Errorf("error %v", err)
}
if expectedPhysical != physical {
t.Errorf("expected %v, got %v", expectedPhysical, physical)
}
if expectedLogical != logical {
t.Errorf("expected %v, got %v", expectedLogical, logical)
}
}
func TestCPUCountsLogicalAndroid_1037(t *testing.T) { // https://github.com/shirou/gopsutil/issues/1037
t.Setenv("HOST_PROC", "testdata/linux/1037/proc")
count, err := Counts(true)
if err != nil {
t.Errorf("error %v", err)
}
expected := 8
if count != expected {
t.Errorf("expected %v, got %v", expected, count)
}
}