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51 lines
1.4 KiB
51 lines
1.4 KiB
//
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// Copyright (c) 2019 Ted Unangst <tedu@tedunangst.com>
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//
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// Permission to use, copy, modify, and distribute this software for any
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// purpose with or without fee is hereby granted, provided that the above
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// copyright notice and this permission notice appear in all copies.
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//
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// THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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// WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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// ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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// WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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// ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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// OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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package main
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import (
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"syscall"
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"time"
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)
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type Sensors struct {
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Memory float64
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Uptime float64
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CPU float64
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}
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var boottime = time.Now()
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func getSensors() Sensors {
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var usage syscall.Rusage
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syscall.Getrusage(syscall.RUSAGE_SELF, &usage)
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now := time.Now()
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var sensors Sensors
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sensors.Memory = float64(usage.Maxrss) / 1024.0
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sensors.Uptime = now.Sub(boottime).Seconds()
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sensors.CPU = time.Duration(usage.Utime.Nano()).Seconds()
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return sensors
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}
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func setLimits() error {
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var limit syscall.Rlimit
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limit.Cur = 2 * 1024 * 1024 * 1024
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limit.Max = 2 * 1024 * 1024 * 1024
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return syscall.Setrlimit(syscall.RLIMIT_DATA, &limit)
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}
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