48 lines
1.5 KiB
Go
48 lines
1.5 KiB
Go
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// Copyright 2022 The Matrix.org Foundation C.I.C.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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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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