//go:build linux
// +build linux

// Copyright (c) 2015-2022 MinIO, Inc.
//
// This file is part of MinIO Object Storage stack
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
//

package madmin

import (
	"github.com/prometheus/procfs/sysfs"
)

func isFreqGovPerf() (bool, error) {
	fs, err := sysfs.NewFS("/sys")
	if err != nil {
		return false, err
	}

	stats, err := fs.SystemCpufreq()
	if err != nil {
		return false, err
	}

	for _, s := range stats {
		if s.Governor != "performance" {
			return false, nil
		}
	}

	return true, nil
}
