github.com/google/cadvisor@v0.49.1/utils/utils.go (about)

     1  // Copyright 2015 Google Inc. All Rights Reserved.
     2  //
     3  // Licensed under the Apache License, Version 2.0 (the "License");
     4  // you may not use this file except in compliance with the License.
     5  // You may obtain a copy of the License at
     6  //
     7  //     http://www.apache.org/licenses/LICENSE-2.0
     8  //
     9  // Unless required by applicable law or agreed to in writing, software
    10  // distributed under the License is distributed on an "AS IS" BASIS,
    11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    12  // See the License for the specific language governing permissions and
    13  // limitations under the License.
    14  
    15  package utils
    16  
    17  import "fmt"
    18  
    19  // Returns a mask of all cores on the machine if the passed-in mask is empty.
    20  func FixCpuMask(mask string, cores int) string {
    21  	if mask == "" {
    22  		if cores > 1 {
    23  			mask = fmt.Sprintf("0-%d", cores-1)
    24  		} else {
    25  			mask = "0"
    26  		}
    27  	}
    28  	return mask
    29  }