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package fs2
import (
"os"
"path/filepath"
"reflect"
"testing"
"github.com/opencontainers/cgroups"
)
func TestStatCPUPSI(t *testing.T) {
const examplePSIData = `some avg10=1.71 avg60=2.36 avg300=2.57 total=230548833
full avg10=1.00 avg60=1.01 avg300=1.00 total=157622356`
// We're using a fake cgroupfs.
cgroups.TestMode = true
fakeCgroupDir := t.TempDir()
statPath := filepath.Join(fakeCgroupDir, "cpu.pressure")
if err := os.WriteFile(statPath, []byte(examplePSIData), 0o644); err != nil {
t.Fatal(err)
}
st, err := statPSI(fakeCgroupDir, "cpu.pressure")
if err != nil {
t.Fatal(err)
}
if !reflect.DeepEqual(*st, cgroups.PSIStats{
Some: cgroups.PSIData{
Avg10: 1.71,
Avg60: 2.36,
Avg300: 2.57,
Total: 230548833,
},
Full: cgroups.PSIData{
Avg10: 1.00,
Avg60: 1.01,
Avg300: 1.00,
Total: 157622356,
},
}) {
t.Errorf("unexpected PSI result: %+v", st)
}
}
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