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// Copyright (c) Tailscale Inc & AUTHORS
// SPDX-License-Identifier: BSD-3-Clause
//go:build !windows && !wasm && !plan9 && !tamago
package logger
import (
"runtime"
"golang.org/x/sys/unix"
)
func rusageMaxRSS() float64 {
var ru unix.Rusage
err := unix.Getrusage(unix.RUSAGE_SELF, &ru)
if err != nil {
return 0
}
rss := float64(ru.Maxrss)
if runtime.GOOS == "darwin" || runtime.GOOS == "ios" {
rss /= 1 << 20 // ru_maxrss is bytes on darwin
} else {
// ru_maxrss is kilobytes elsewhere (linux, openbsd, etc)
rss /= 1 << 10
}
return rss
}
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