mirror of
https://github.com/cubefs/cubefs.git
synced 2026-08-02 02:00:56 +00:00
84 lines
2.3 KiB
Go
84 lines
2.3 KiB
Go
// Copyright 2023 The CubeFS Authors.
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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
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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package loadutil_test
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import (
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"runtime"
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"runtime/debug"
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"testing"
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"github.com/cubefs/cubefs/util"
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"github.com/cubefs/cubefs/util/loadutil"
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"github.com/cubefs/cubefs/util/strutil"
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"github.com/stretchr/testify/require"
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)
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func TestMemoryUsed(t *testing.T) {
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used, err := loadutil.GetMemoryUsedPercent()
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require.NoError(t, err)
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t.Logf("Mem Used:%v\n", used)
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}
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func TestGetTotalMem(t *testing.T) {
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total, err := loadutil.GetTotalMemory()
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require.NoError(t, err)
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t.Logf("Mem Total:%v\n", total)
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}
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func TestGetCurrMemory(t *testing.T) {
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curr, err := loadutil.GetCurrentProcessMemory()
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require.NoError(t, err)
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require.Greater(t, curr, uint64(0))
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}
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func TestAlloc(t *testing.T) {
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allocSize := uint64(4 * util.GB)
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total, err := loadutil.GetTotalMemory()
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t.Logf("Total Memory %v", strutil.FormatSize(total))
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require.NoError(t, err)
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for allocSize > total {
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allocSize /= 2
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}
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buff := make([]byte, allocSize)
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for i := 0; i < int(allocSize); i++ {
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buff[i] = 0
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}
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curr, err := loadutil.GetCurrentProcessMemory()
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require.NoError(t, err)
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require.Greater(t, curr, allocSize)
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t.Logf("Memory %v Inused %v", strutil.FormatSize(curr), strutil.FormatSize(loadutil.GetGoInUsedHeap()))
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curr, err = loadutil.GetCurrentProcessMemory()
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require.NoError(t, err)
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require.Greater(t, curr, allocSize)
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runtime.GC()
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t.Logf("Memory %v Inused %v", strutil.FormatSize(curr), strutil.FormatSize(loadutil.GetGoInUsedHeap()))
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old := curr
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debug.FreeOSMemory()
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curr, err = loadutil.GetCurrentProcessMemory()
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require.NoError(t, err)
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require.Less(t, curr, old)
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t.Logf("Memory %v", strutil.FormatSize(curr))
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}
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func TestGetTotalSwapedMemory(t *testing.T) {
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total, err := loadutil.GetTotalSwapMemory()
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require.NoError(t, err)
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t.Logf("Swap Memory %v", strutil.FormatSize(total))
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}
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