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feat(qrm): adding support to cpu.weight
Signed-off-by: Robin Lu <[email protected]>
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/* | ||
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. | ||
*/ | ||
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package cpuweight | ||
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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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//go:build linux | ||
// +build linux | ||
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/* | ||
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. | ||
*/ | ||
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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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