Files
runc/libcontainer/intelrdt/intelrdt_test.go
Kir Kolyshkin 6c6b14e075 libct/intelrdt: remove findMountpointDir test
This test was written back in the day when findIntelRdtMountpointDir
was using its own mountinfo parser. Commit f1c1fdf911 changed that,
and thus this test is actually testing moby/sys/mountinfo parser, which
does not make much sense.

Remove the test, and drop the io.Reader argument since we no longer need
to parse a custom file.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
2021-12-03 15:59:24 -08:00

128 lines
3.2 KiB
Go

package intelrdt
import (
"os"
"path/filepath"
"strings"
"testing"
)
func TestIntelRdtSetL3CacheSchema(t *testing.T) {
helper := NewIntelRdtTestUtil(t)
const (
l3CacheSchemaBefore = "L3:0=f;1=f0"
l3CacheSchemeAfter = "L3:0=f0;1=f"
)
helper.writeFileContents(map[string]string{
"schemata": l3CacheSchemaBefore + "\n",
})
helper.config.IntelRdt.L3CacheSchema = l3CacheSchemeAfter
intelrdt := NewManager(helper.config, "", helper.IntelRdtPath)
if err := intelrdt.Set(helper.config); err != nil {
t.Fatal(err)
}
tmpStrings, err := getIntelRdtParamString(helper.IntelRdtPath, "schemata")
if err != nil {
t.Fatalf("Failed to parse file 'schemata' - %s", err)
}
values := strings.Split(tmpStrings, "\n")
value := values[0]
if value != l3CacheSchemeAfter {
t.Fatal("Got the wrong value, set 'schemata' failed.")
}
}
func TestIntelRdtSetMemBwSchema(t *testing.T) {
helper := NewIntelRdtTestUtil(t)
const (
memBwSchemaBefore = "MB:0=20;1=70"
memBwSchemeAfter = "MB:0=70;1=20"
)
helper.writeFileContents(map[string]string{
"schemata": memBwSchemaBefore + "\n",
})
helper.config.IntelRdt.MemBwSchema = memBwSchemeAfter
intelrdt := NewManager(helper.config, "", helper.IntelRdtPath)
if err := intelrdt.Set(helper.config); err != nil {
t.Fatal(err)
}
tmpStrings, err := getIntelRdtParamString(helper.IntelRdtPath, "schemata")
if err != nil {
t.Fatalf("Failed to parse file 'schemata' - %s", err)
}
values := strings.Split(tmpStrings, "\n")
value := values[0]
if value != memBwSchemeAfter {
t.Fatal("Got the wrong value, set 'schemata' failed.")
}
}
func TestIntelRdtSetMemBwScSchema(t *testing.T) {
helper := NewIntelRdtTestUtil(t)
const (
memBwScSchemaBefore = "MB:0=5000;1=7000"
memBwScSchemeAfter = "MB:0=9000;1=4000"
)
helper.writeFileContents(map[string]string{
"schemata": memBwScSchemaBefore + "\n",
})
helper.config.IntelRdt.MemBwSchema = memBwScSchemeAfter
intelrdt := NewManager(helper.config, "", helper.IntelRdtPath)
if err := intelrdt.Set(helper.config); err != nil {
t.Fatal(err)
}
tmpStrings, err := getIntelRdtParamString(helper.IntelRdtPath, "schemata")
if err != nil {
t.Fatalf("Failed to parse file 'schemata' - %s", err)
}
values := strings.Split(tmpStrings, "\n")
value := values[0]
if value != memBwScSchemeAfter {
t.Fatal("Got the wrong value, set 'schemata' failed.")
}
}
func TestApply(t *testing.T) {
helper := NewIntelRdtTestUtil(t)
const closID = "test-clos"
helper.config.IntelRdt.ClosID = closID
intelrdt := NewManager(helper.config, "", helper.IntelRdtPath)
if err := intelrdt.Apply(1234); err == nil {
t.Fatal("unexpected success when applying pid")
}
if _, err := os.Stat(filepath.Join(helper.IntelRdtPath, closID)); err == nil {
t.Fatal("closid dir should not exist")
}
// Dir should be created if some schema has been specified
intelrdt.(*intelRdtManager).config.IntelRdt.L3CacheSchema = "L3:0=f"
if err := intelrdt.Apply(1235); err != nil {
t.Fatalf("Apply() failed: %v", err)
}
pids, err := getIntelRdtParamString(intelrdt.GetPath(), "tasks")
if err != nil {
t.Fatalf("failed to read tasks file: %v", err)
}
if pids != "1235" {
t.Fatalf("unexpected tasks file, expected '1235', got %q", pids)
}
}