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Signed-off-by: Zhang Kang <kang.zhang@intel.com>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,206 @@ | ||
| /* | ||
| Copyright 2022 The Koordinator Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package resctrl | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "strings" | ||
|
|
||
| "k8s.io/klog/v2" | ||
|
|
||
| apiext "github.com/koordinator-sh/koordinator/apis/extension" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/resourceexecutor" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/runtimehooks/hooks" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/runtimehooks/protocol" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/runtimehooks/reconciler" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/runtimehooks/rule" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/statesinformer" | ||
| util "github.com/koordinator-sh/koordinator/pkg/koordlet/util/resctrl" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/util/system" | ||
| sysutil "github.com/koordinator-sh/koordinator/pkg/koordlet/util/system" | ||
| rmconfig "github.com/koordinator-sh/koordinator/pkg/runtimeproxy/config" | ||
| ) | ||
|
|
||
| const ( | ||
| name = "Resctrl" | ||
| description = "set resctrl for pod" | ||
| ruleNameForAllPods = name + " (AllPods)" | ||
| ) | ||
|
|
||
| type plugin struct { | ||
| rule *Rule | ||
| engine util.ResctrlEngine | ||
| executor resourceexecutor.ResourceUpdateExecutor | ||
| statesInformer statesinformer.StatesInformer | ||
| } | ||
|
|
||
| var singleton *plugin | ||
|
|
||
| func Object() *plugin { | ||
| if singleton == nil { | ||
| singleton = newPlugin() | ||
| } | ||
| return singleton | ||
| } | ||
|
|
||
| func newPlugin() *plugin { | ||
| return &plugin{ | ||
| rule: newRule(), | ||
| } | ||
| } | ||
|
|
||
| func (p *plugin) Register(op hooks.Options) { | ||
| // skip if host not support resctrl | ||
| if support, err := system.IsSupportResctrl(); err != nil { | ||
| klog.Warningf("check support resctrl failed, err: %s", err) | ||
| return | ||
| } else if !support { | ||
| klog.V(5).Infof("resctrl runtime hook skipped, cpu not support CAT/MBA") | ||
| return | ||
| } | ||
|
|
||
| if vendorID, err := sysutil.GetVendorIDByCPUInfo(sysutil.GetCPUInfoPath()); err == nil { | ||
| p.engine, err = util.NewRDTEngine(vendorID) | ||
| if err != nil { | ||
| klog.Errorf("New RDT Engine failed, error is %v", err) | ||
| return | ||
| } | ||
| } | ||
| p.executor = op.Executor | ||
| p.statesInformer = op.StatesInformer | ||
| p.engine.Rebuild() | ||
|
|
||
| rule.Register(ruleNameForAllPods, description, | ||
| rule.WithParseFunc(statesinformer.RegisterTypeAllPods, p.parseRuleForAllPods), | ||
| rule.WithUpdateCallback(p.ruleUpdateCbForAllPods)) | ||
|
|
||
| hooks.Register(rmconfig.PreRunPodSandbox, name, description+" (pod)", p.SetPodResctrlResourcesForHooks) | ||
| hooks.Register(rmconfig.PreCreateContainer, name, description+" (pod)", p.SetContainerResctrlResources) | ||
| hooks.Register(rmconfig.PreRemoveRunPodSandbox, name, description+" (pod)", p.RemovePodResctrlResources) | ||
|
|
||
| reconciler.RegisterCgroupReconciler(reconciler.PodLevel, system.ResctrlSchemata, description+" (pod resctrl schema)", p.SetPodResctrlResourcesForReconciler, reconciler.NoneFilter()) | ||
| reconciler.RegisterCgroupReconciler(reconciler.PodLevel, system.ResctrlTasks, description+" (pod resctrl tasks)", p.UpdatePodTaskIds, reconciler.NoneFilter()) | ||
| reconciler.RegisterCgroupReconciler4AllPods(reconciler.AllPodsLevel, system.ResctrlRoot, description+" (pod resctl schema)", p.RemoveUnusedResctrlPath, reconciler.PodAnnotationResctrlFilter(), "resctrl") | ||
|
|
||
| } | ||
|
|
||
| func (p *plugin) SetPodResctrlResourcesForHooks(proto protocol.HooksProtocol) error { | ||
| return p.setPodResctrlResources(proto, true) | ||
| } | ||
|
|
||
| func (p *plugin) SetPodResctrlResourcesForReconciler(proto protocol.HooksProtocol) error { | ||
| return p.setPodResctrlResources(proto, false) | ||
| } | ||
|
|
||
| func (p *plugin) setPodResctrlResources(proto protocol.HooksProtocol, fromNRI bool) error { | ||
| podCtx, ok := proto.(*protocol.PodContext) | ||
| if !ok { | ||
| return fmt.Errorf("pod protocol is nil for plugin %v", name) | ||
| } | ||
|
|
||
| if v, ok := podCtx.Request.Annotations[apiext.AnnotationResctrl]; ok { | ||
| app, ok := p.engine.GetApp(podCtx.Request.PodMeta.UID) | ||
| if ok && app.Annotation == v { | ||
| return nil | ||
| } | ||
| updater := NewCreateResctrlProtocolUpdater(proto) | ||
| err := p.engine.RegisterApp(podCtx.Request.PodMeta.UID, v, fromNRI, updater) | ||
| if err != nil { | ||
| return err | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (p *plugin) RemoveUnusedResctrlPath(protos []protocol.HooksProtocol) error { | ||
| currentPods := make(map[string]protocol.HooksProtocol) | ||
|
|
||
| for _, proto := range protos { | ||
| podCtx, ok := proto.(*protocol.PodContext) | ||
| if !ok { | ||
| return fmt.Errorf("pod protocol is nil for plugin %v", name) | ||
| } | ||
|
|
||
| if _, ok := podCtx.Request.Annotations[apiext.AnnotationResctrl]; ok { | ||
| group := podCtx.Request.PodMeta.UID | ||
| currentPods[group] = podCtx | ||
| } | ||
| } | ||
|
|
||
| apps := p.engine.GetApps() | ||
| for k, v := range apps { | ||
| if _, ok := currentPods[k]; !ok { | ||
| updater := NewRemoveResctrlUpdater(v.Closid) | ||
| p.engine.UnRegisterApp(strings.TrimPrefix(v.Closid, util.ClosdIdPrefix), false, updater) | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (p *plugin) UpdatePodTaskIds(proto protocol.HooksProtocol) error { | ||
| podCtx, ok := proto.(*protocol.PodContext) | ||
| if !ok { | ||
| return fmt.Errorf("pod protocol is nil for plugin %v", name) | ||
| } | ||
|
|
||
| if _, ok := podCtx.Request.Annotations[apiext.AnnotationResctrl]; ok { | ||
| curTaskMaps := map[string]map[int32]struct{}{} | ||
| var err error | ||
| group := podCtx.Request.PodMeta.UID | ||
| curTaskMaps[group], err = system.ReadResctrlTasksMap(util.ClosdIdPrefix + group) | ||
| if err != nil { | ||
| klog.Warningf("failed to read Cat L3 tasks for resctrl group %s, err: %s", group, err) | ||
| } | ||
|
|
||
| newTaskIds := util.GetPodCgroupNewTaskIdsFromPodCtx(podCtx, curTaskMaps[group]) | ||
| resctrlInfo := &protocol.Resctrl{ | ||
| Closid: util.ClosdIdPrefix + group, | ||
| NewTaskIds: make([]int32, 0), | ||
| } | ||
| resctrlInfo.NewTaskIds = newTaskIds | ||
| podCtx.Response.Resources.Resctrl = resctrlInfo | ||
| } | ||
| return nil | ||
| } | ||
|
|
||
| func (p *plugin) SetContainerResctrlResources(proto protocol.HooksProtocol) error { | ||
| containerCtx, ok := proto.(*protocol.ContainerContext) | ||
| if !ok { | ||
| return fmt.Errorf("container protocol is nil for plugin %v", name) | ||
| } | ||
|
|
||
| if _, ok := containerCtx.Request.PodAnnotations[apiext.AnnotationResctrl]; ok { | ||
| containerCtx.Response.Resources.Resctrl = &protocol.Resctrl{ | ||
| Schemata: "", | ||
| Closid: util.ClosdIdPrefix + containerCtx.Request.PodMeta.UID, | ||
| NewTaskIds: make([]int32, 0), | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (p *plugin) RemovePodResctrlResources(proto protocol.HooksProtocol) error { | ||
| podCtx, ok := proto.(*protocol.PodContext) | ||
| if !ok { | ||
| return fmt.Errorf("pod protocol is nil for plugin %v", name) | ||
| } | ||
|
|
||
| if _, ok := podCtx.Request.Annotations[apiext.AnnotationResctrl]; ok { | ||
| updater := NewRemoveResctrlProtocolUpdater(proto) | ||
| p.engine.UnRegisterApp(podCtx.Request.PodMeta.UID, true, updater) | ||
| } | ||
| return nil | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,69 @@ | ||
| /* | ||
| Copyright 2022 The Koordinator Authors. | ||
| Licensed under the Apache License, Version 2.0 (the "License"); | ||
| you may not use this file except in compliance with the License. | ||
| You may obtain a copy of the License at | ||
| http://www.apache.org/licenses/LICENSE-2.0 | ||
| Unless required by applicable law or agreed to in writing, software | ||
| distributed under the License is distributed on an "AS IS" BASIS, | ||
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. | ||
| See the License for the specific language governing permissions and | ||
| limitations under the License. | ||
| */ | ||
|
|
||
| package resctrl | ||
|
|
||
| import ( | ||
| "strings" | ||
| "sync" | ||
|
|
||
| corev1 "k8s.io/api/core/v1" | ||
| "k8s.io/klog/v2" | ||
|
|
||
| apiext "github.com/koordinator-sh/koordinator/apis/extension" | ||
| "github.com/koordinator-sh/koordinator/pkg/koordlet/statesinformer" | ||
| util "github.com/koordinator-sh/koordinator/pkg/koordlet/util/resctrl" | ||
| ) | ||
|
|
||
| type Rule struct { | ||
| lock sync.RWMutex | ||
| } | ||
|
|
||
| func newRule() *Rule { | ||
| return &Rule{} | ||
| } | ||
|
|
||
| func (p *plugin) parseRuleForAllPods(allPods interface{}) (bool, error) { | ||
| return true, nil | ||
| } | ||
|
|
||
| func (p *plugin) ruleUpdateCbForAllPods(target *statesinformer.CallbackTarget) error { | ||
| if target == nil { | ||
| klog.Warningf("callback target is nil") | ||
| return nil | ||
| } | ||
|
|
||
| if p.rule == nil { | ||
| klog.V(5).Infof("hook plugin rule is nil, nothing to do for plugin %v", ruleNameForAllPods) | ||
| return nil | ||
| } | ||
|
|
||
| apps := p.engine.GetApps() | ||
|
|
||
| currentPods := make(map[string]*corev1.Pod) | ||
| for _, podMeta := range target.Pods { | ||
| pod := podMeta.Pod | ||
| if _, ok := podMeta.Pod.Annotations[apiext.AnnotationResctrl]; ok { | ||
| group := string(podMeta.Pod.UID) | ||
| currentPods[group] = pod | ||
| } | ||
| } | ||
|
|
||
| for k, v := range apps { | ||
| if _, ok := currentPods[k]; !ok { | ||
| updater := NewRemoveResctrlUpdater(v.Closid) | ||
| p.engine.UnRegisterApp(strings.TrimPrefix(v.Closid, util.ClosdIdPrefix), false, updater) | ||
| } | ||
| } | ||
| return nil | ||
| } |
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