github.com/aidoskuneen/adk-node@v0.0.0-20220315131952-2e32567cb7f4/metrics/cpu_syscall.go (about) 1 // Copyright 2021 The adkgo Authors 2 // This file is part of the adkgo library (adapted for adkgo from go--ethereum v1.10.8). 3 // 4 // the adkgo library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // the adkgo library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the adkgo library. If not, see <http://www.gnu.org/licenses/>. 16 17 // +build !windows 18 19 package metrics 20 21 import ( 22 syscall "golang.org/x/sys/unix" 23 24 "github.com/aidoskuneen/adk-node/log" 25 ) 26 27 // getProcessCPUTime retrieves the process' CPU time since program startup. 28 func getProcessCPUTime() int64 { 29 var usage syscall.Rusage 30 if err := syscall.Getrusage(syscall.RUSAGE_SELF, &usage); err != nil { 31 log.Warn("Failed to retrieve CPU time", "err", err) 32 return 0 33 } 34 return int64(usage.Utime.Sec+usage.Stime.Sec)*100 + int64(usage.Utime.Usec+usage.Stime.Usec)/10000 //nolint:unconvert 35 }