30 lines
563 B
Go
30 lines
563 B
Go
// 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
|
|
}
|