github.com/kubewharf/katalyst-core@v0.5.3/cmd/katalyst-agent/app/options/util/vendor_aware.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 util
    18  
    19  import (
    20  	"fmt"
    21  
    22  	cpu "github.com/klauspost/cpuid/v2"
    23  )
    24  
    25  const (
    26  	DefaultConfigKey = "default"
    27  
    28  	CPUVendorAMD   = "AMD"
    29  	CPUVendorIntel = "Intel"
    30  )
    31  
    32  var supportCPUVendors = map[cpu.Vendor]string{
    33  	cpu.AMD:   CPUVendorAMD,
    34  	cpu.Intel: CPUVendorIntel,
    35  }
    36  
    37  func GetVendorAwareStringConfiguration(vendorConfMap map[string]string) (string, error) {
    38  	var result string
    39  	if defaultValue, ok := vendorConfMap[DefaultConfigKey]; ok {
    40  		result = defaultValue
    41  	} else {
    42  		return "", fmt.Errorf("vendor aware configuration must have a default value")
    43  	}
    44  
    45  	vendorID := cpu.CPU.VendorID
    46  	if vendorKey, ok := supportCPUVendors[vendorID]; ok {
    47  		if value, exist := vendorConfMap[vendorKey]; exist {
    48  			result = value
    49  		}
    50  	}
    51  	return result, nil
    52  }
    53  
    54  func GetVendorAwareInt64Configuration(vendorConfMap map[string]int64) (int64, error) {
    55  	var result int64
    56  	if defaultValue, ok := vendorConfMap[DefaultConfigKey]; ok {
    57  		result = defaultValue
    58  	} else {
    59  		return 0, fmt.Errorf("vendor aware configuration must have a default value")
    60  	}
    61  
    62  	vendorID := cpu.CPU.VendorID
    63  	if vendorKey, ok := supportCPUVendors[vendorID]; ok {
    64  		if value, exist := vendorConfMap[vendorKey]; exist {
    65  			result = value
    66  		}
    67  	}
    68  	return result, nil
    69  }