op-geth/metrics/cpu.go

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// Copyright 2018 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package metrics
import "github.com/elastic/gosigar"
// CPUStats is the system and process CPU stats.
type CPUStats struct {
GlobalTime int64 // Time spent by the CPU working on all processes
GlobalWait int64 // Time spent by waiting on disk for all processes
LocalTime int64 // Time spent by the CPU working on this process
}
// ReadCPUStats retrieves the current CPU stats.
func ReadCPUStats(stats *CPUStats) {
global := gosigar.Cpu{}
global.Get()
stats.GlobalTime = int64(global.User + global.Nice + global.Sys)
stats.GlobalWait = int64(global.Wait)
stats.LocalTime = getProcessCPUTime()
}