github.com/minio/madmin-go@v1.7.5/cpu_linux.go (about)

     1  //go:build linux
     2  // +build linux
     3  
     4  //
     5  // MinIO Object Storage (c) 2021-2022 MinIO, Inc.
     6  //
     7  // Licensed under the Apache License, Version 2.0 (the "License");
     8  // you may not use this file except in compliance with the License.
     9  // You may obtain a copy of the License at
    10  //
    11  //      http://www.apache.org/licenses/LICENSE-2.0
    12  //
    13  // Unless required by applicable law or agreed to in writing, software
    14  // distributed under the License is distributed on an "AS IS" BASIS,
    15  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    16  // See the License for the specific language governing permissions and
    17  // limitations under the License.
    18  //
    19  
    20  package madmin
    21  
    22  import (
    23  	"github.com/prometheus/procfs/sysfs"
    24  )
    25  
    26  func isFreqGovPerf() (bool, error) {
    27  	fs, err := sysfs.NewFS("/sys")
    28  	if err != nil {
    29  		return false, err
    30  	}
    31  
    32  	stats, err := fs.SystemCpufreq()
    33  	if err != nil {
    34  		return false, err
    35  	}
    36  
    37  	for _, s := range stats {
    38  		if s.Governor != "performance" {
    39  			return false, nil
    40  		}
    41  	}
    42  
    43  	return true, nil
    44  }