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37 lines
1.3 KiB
Go
37 lines
1.3 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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//go:build !windows && !js
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// +build !windows,!js
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package metrics
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import (
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syscall "golang.org/x/sys/unix"
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"github.com/ethereum/go-ethereum/log"
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)
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// getProcessCPUTime retrieves the process' CPU time since program startup.
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func getProcessCPUTime() int64 {
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var usage syscall.Rusage
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if err := syscall.Getrusage(syscall.RUSAGE_SELF, &usage); err != nil {
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log.Warn("Failed to retrieve CPU time", "err", err)
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return 0
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}
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return int64(usage.Utime.Sec+usage.Stime.Sec)*100 + int64(usage.Utime.Usec+usage.Stime.Usec)/10000 //nolint:unconvert
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}
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