37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
// 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/>.
|
|
|
|
//go:build !windows && !js
|
|
// +build !windows,!js
|
|
|
|
package metrics
|
|
|
|
import (
|
|
syscall "golang.org/x/sys/unix"
|
|
|
|
"github.com/ethereum/go-ethereum/log"
|
|
)
|
|
|
|
// getProcessCPUTime retrieves the process' CPU time since program startup.
|
|
func getProcessCPUTime() int64 {
|
|
var usage syscall.Rusage
|
|
if err := syscall.Getrusage(syscall.RUSAGE_SELF, &usage); err != nil {
|
|
log.Warn("Failed to retrieve CPU time", "err", err)
|
|
return 0
|
|
}
|
|
return int64(usage.Utime.Sec+usage.Stime.Sec)*100 + int64(usage.Utime.Usec+usage.Stime.Usec)/10000 //nolint:unconvert
|
|
}
|