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feat(qrm): adding support to cpu.weight
Signed-off-by: Robin Lu <[email protected]>
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,21 @@ | ||
| /* | ||
| Copyright 2022 The Katalyst 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 cpuweight | ||
|
|
||
| const ( | ||
| metricNameCPUWeight = "async_handler_cpu_weight" | ||
| ) |
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99
pkg/agent/qrm-plugins/cpu/handlers/cpuweight/cpuweight_linux.go
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,99 @@ | ||
| //go:build linux | ||
| // +build linux | ||
|
|
||
| /* | ||
| Copyright 2022 The Katalyst 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 cpuweight | ||
|
|
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| import ( | ||
| "k8s.io/apimachinery/pkg/util/errors" | ||
|
|
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| cpuconsts "github.com/kubewharf/katalyst-core/pkg/agent/qrm-plugins/cpu/consts" | ||
| coreconfig "github.com/kubewharf/katalyst-core/pkg/config" | ||
| dynamicconfig "github.com/kubewharf/katalyst-core/pkg/config/agent/dynamic" | ||
| "github.com/kubewharf/katalyst-core/pkg/metaserver" | ||
| "github.com/kubewharf/katalyst-core/pkg/metrics" | ||
| cgroupcm "github.com/kubewharf/katalyst-core/pkg/util/cgroup/common" | ||
| cgroupmgr "github.com/kubewharf/katalyst-core/pkg/util/cgroup/manager" | ||
| "github.com/kubewharf/katalyst-core/pkg/util/general" | ||
| ) | ||
|
|
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| func applyCPUWeightCgroupLevelConfig(conf *coreconfig.Configuration, emitter metrics.MetricEmitter) { | ||
| if conf.CPUWeightConfigFile == "" { | ||
| general.Errorf("CPUWeightConfigFile isn't configured") | ||
| return | ||
| } | ||
|
|
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| cpuWightCgroupLevelConfigs := make(map[string]uint64) | ||
| err := general.LoadJsonConfig(conf.CPUWeightConfigFile, &cpuWightCgroupLevelConfigs) | ||
| if err != nil { | ||
| general.Errorf("load CPUWeightCgroupLevelConfig failed with error: %v", err) | ||
| return | ||
| } | ||
|
|
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| for relativeCgPath, weight := range cpuWightCgroupLevelConfigs { | ||
| err := cgroupmgr.ApplyCPUWithRelativePath(relativeCgPath, &cgroupcm.CPUData{ | ||
| Shares: weight, | ||
| }) | ||
| if err != nil { | ||
| general.Errorf("ApplyCPUWeightWithRelativePath in relativeCgPath: %s failed with error: %v", | ||
| relativeCgPath, err) | ||
| } else { | ||
| general.Infof("ApplyCPUWeightWithRelativePath weight: %d in relativeCgPath: %s successfully", | ||
| weight, relativeCgPath) | ||
| _ = emitter.StoreInt64(metricNameCPUWeight, int64(weight), metrics.MetricTypeNameRaw, | ||
| metrics.ConvertMapToTags(map[string]string{ | ||
| "cgPath": relativeCgPath, | ||
| })...) | ||
|
|
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| } | ||
| } | ||
| } | ||
|
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| func SetCPUWeight(conf *coreconfig.Configuration, | ||
| _ interface{}, _ *dynamicconfig.DynamicAgentConfiguration, | ||
| emitter metrics.MetricEmitter, metaServer *metaserver.MetaServer, | ||
| ) { | ||
| general.Infof("called") | ||
|
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| var errList []error | ||
| defer func() { | ||
| _ = general.UpdateHealthzStateByError(cpuconsts.SyncCPUWeight, errors.NewAggregate(errList)) | ||
| }() | ||
|
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| if conf == nil { | ||
| general.Errorf("nil extraConf") | ||
| return | ||
| } else if emitter == nil { | ||
| general.Errorf("nil emitter") | ||
| return | ||
| } else if metaServer == nil { | ||
| general.Errorf("nil metaServer") | ||
| return | ||
| } | ||
|
|
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| // SettingCPUWeight featuregate. | ||
| if !conf.EnableSettingCPUWeight { | ||
| general.Infof("SetCPUWeight disabled") | ||
| return | ||
| } | ||
|
|
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| // checking cgroup-level cpu.weight configuration. | ||
| if len(conf.CPUWeightConfigFile) > 0 { | ||
| applyCPUWeightCgroupLevelConfig(conf, emitter) | ||
| } | ||
| } |
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