github.com/kubewharf/katalyst-core@v0.5.3/cmd/katalyst-agent/app/options/eviction/cpu_pressure_eviction.go (about) 1 /* 2 Copyright 2022 The Katalyst Authors. 3 4 Licensed under the Apache License, Version 2.0 (the "License"); 5 you may not use this file except in compliance with the License. 6 You may obtain a copy of the License at 7 8 http://www.apache.org/licenses/LICENSE-2.0 9 10 Unless required by applicable law or agreed to in writing, software 11 distributed under the License is distributed on an "AS IS" BASIS, 12 WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 See the License for the specific language governing permissions and 14 limitations under the License. 15 */ 16 17 package eviction 18 19 import ( 20 "time" 21 22 cliflag "k8s.io/component-base/cli/flag" 23 24 evictionconfig "github.com/kubewharf/katalyst-core/pkg/config/agent/eviction" 25 ) 26 27 const ( 28 defaultLoadEvictionSyncPeriod = 30 * time.Second 29 ) 30 31 // CPUPressureEvictionOptions is the options of CPUPressureEviction 32 type CPUPressureEvictionOptions struct { 33 LoadEvictionSyncPeriod time.Duration 34 } 35 36 // NewCPUPressureEvictionOptions returns a new CPUPressureEvictionOptions 37 func NewCPUPressureEvictionOptions() *CPUPressureEvictionOptions { 38 return &CPUPressureEvictionOptions{ 39 LoadEvictionSyncPeriod: defaultLoadEvictionSyncPeriod, 40 } 41 } 42 43 // AddFlags parses the flags to CPUPressureEvictionOptions 44 func (o *CPUPressureEvictionOptions) AddFlags(fss *cliflag.NamedFlagSets) { 45 fs := fss.FlagSet("eviction-cpu-pressure") 46 47 fs.DurationVar(&o.LoadEvictionSyncPeriod, "eviction-load-sync-period", 48 o.LoadEvictionSyncPeriod, "cpu load eviction syncing period") 49 } 50 51 // ApplyTo applies CPUPressureEvictionOptions to CPUPressureEvictionConfiguration 52 func (o *CPUPressureEvictionOptions) ApplyTo(c *evictionconfig.CPUPressureEvictionConfiguration) error { 53 c.LoadEvictionSyncPeriod = o.LoadEvictionSyncPeriod 54 return nil 55 }