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package fs
import (
"testing"
"github.com/opencontainers/cgroups"
)
func BenchmarkGetStats(b *testing.B) {
if cgroups.IsCgroup2UnifiedMode() {
b.Skip("cgroup v2 is not supported")
}
// Unset TestMode as we work with real cgroupfs here,
// and we want OpenFile to perform the fstype check.
cgroups.TestMode = false
defer func() {
cgroups.TestMode = true
}()
cg := &cgroups.Cgroup{
Path: "/some/kind/of/a/path/here",
Resources: &cgroups.Resources{},
}
m, err := NewManager(cg, nil)
if err != nil {
b.Fatal(err)
}
err = m.Apply(-1)
if err != nil {
b.Fatal(err)
}
defer func() {
_ = m.Destroy()
}()
var st *cgroups.Stats
b.ResetTimer()
for i := 0; i < b.N; i++ {
st, err = m.GetStats()
if err != nil {
b.Fatal(err)
}
}
if st.CpuStats.CpuUsage.TotalUsage != 0 {
b.Fatalf("stats: %+v", st)
}
}
|
