mirror of
https://github.com/element-hq/dendrite.git
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39 lines
1.1 KiB
Go
39 lines
1.1 KiB
Go
// Copyright 2024 New Vector Ltd.
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// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// SPDX-License-Identifier: AGPL-3.0-only OR LicenseRef-Element-Commercial
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// Please see LICENSE files in the repository root for full details.
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//go:build !wasm && !windows
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// +build !wasm,!windows
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package util
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import (
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"syscall"
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"time"
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"github.com/sirupsen/logrus"
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)
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func getMemoryStats(p *phoneHomeStats) error {
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oldUsage := p.prevData
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newUsage := syscall.Rusage{}
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if err := syscall.Getrusage(syscall.RUSAGE_SELF, &newUsage); err != nil {
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logrus.WithError(err).Error("unable to get usage")
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return err
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}
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newData := timestampToRUUsage{timestamp: time.Now().Unix(), usage: newUsage}
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p.prevData = newData
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usedCPUTime := (newUsage.Utime.Sec + newUsage.Stime.Sec) - (oldUsage.usage.Utime.Sec + oldUsage.usage.Stime.Sec)
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if usedCPUTime == 0 || newData.timestamp == oldUsage.timestamp {
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p.stats["cpu_average"] = 0
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} else {
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// conversion to int64 required for GOARCH=386
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p.stats["cpu_average"] = int64(usedCPUTime) / (newData.timestamp - oldUsage.timestamp) * 100
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}
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p.stats["memory_rss"] = newUsage.Maxrss
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return nil
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}
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