| 1 | /* $Id: bs3-cmn-MemPrintInfo.c 82968 2020-02-04 10:35:17Z vboxsync $ */
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| 2 | /** @file
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| 3 | * BS3Kit - Bs3MemPrintInfo
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2007-2020 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | *
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| 17 | * The contents of this file may alternatively be used under the terms
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| 18 | * of the Common Development and Distribution License Version 1.0
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| 19 | * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
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| 20 | * VirtualBox OSE distribution, in which case the provisions of the
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| 21 | * CDDL are applicable instead of those of the GPL.
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| 22 | *
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| 23 | * You may elect to license modified versions of this file under the
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| 24 | * terms and conditions of either the GPL or the CDDL or both.
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| 25 | */
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| 26 |
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| 27 |
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| 28 | /*********************************************************************************************************************************
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| 29 | * Header Files *
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| 30 | *********************************************************************************************************************************/
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| 31 | #include "bs3kit-template-header.h"
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| 32 | #include "bs3-cmn-memory.h"
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| 33 | #include <iprt/asm.h>
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| 34 |
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| 35 |
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| 36 | /**
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| 37 | * Prints a slab control structure with allocation map.
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| 38 | *
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| 39 | * @param pCtl The slab control structure to print.
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| 40 | * @param pszPrefix The output prefix.
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| 41 | */
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| 42 | static void Bs3MemPrintInfoSlabCtl(PBS3SLABCTL pCtl, const char BS3_FAR *pszPrefix)
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| 43 | {
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| 44 | unsigned iChunk;
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| 45 | Bs3TestPrintf("%s / %#06x: %u of %u chunks free", pszPrefix, pCtl->cbChunk, pCtl->cFreeChunks, pCtl->cChunks);
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| 46 | for (iChunk = 0; iChunk < pCtl->cChunks; iChunk++)
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| 47 | {
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| 48 | if ((iChunk & 63) == 0)
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| 49 | Bs3TestPrintf("\n%s:", pszPrefix);
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| 50 | if (ASMBitTest(pCtl->bmAllocated, iChunk))
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| 51 | Bs3TestPrintf((iChunk & 7) != 0 ? "x" : " x");
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| 52 | else
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| 53 | Bs3TestPrintf((iChunk & 7) != 0 ? "-" : " -");
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| 54 | }
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| 55 | Bs3TestPrintf("\n");
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| 56 | }
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| 57 |
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| 58 |
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| 59 |
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| 60 | /**
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| 61 | * Prints a summary of a slab allocation list (i.e. the heap).
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| 62 | *
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| 63 | * @param paLists Array of BS3_MEM_SLAB_LIST_COUNT lists.
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| 64 | * @param pszPrefix The output prefix.
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| 65 | */
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| 66 | static void Bs3MemPrintInfoSlabList(PBS3SLABHEAD paLists, const char BS3_FAR *pszPrefix)
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| 67 | {
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| 68 | unsigned iSlab;
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| 69 | for (iSlab = 0; iSlab < BS3_MEM_SLAB_LIST_COUNT; iSlab++)
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| 70 | if (paLists[iSlab].cSlabs)
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| 71 | Bs3TestPrintf("%s / %#06x: %u slabs, %RU32 of %RU32 chunks free\n",
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| 72 | pszPrefix, paLists[iSlab].cbChunk, paLists[iSlab].cSlabs,
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| 73 | paLists[iSlab].cFreeChunks, paLists[iSlab].cChunks);
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| 74 | }
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| 75 |
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| 76 |
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| 77 | #undef Bs3MemPrintInfo
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| 78 | BS3_CMN_DEF(void, Bs3MemPrintInfo,(void))
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| 79 | {
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| 80 | Bs3MemPrintInfoSlabList(g_aBs3LowSlabLists, "Lower");
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| 81 | Bs3MemPrintInfoSlabList(g_aBs3LowSlabLists, "Upper");
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| 82 | Bs3MemPrintInfoSlabCtl(&g_Bs3Mem4KLow.Core, "4KLow");
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| 83 | Bs3MemPrintInfoSlabCtl(&g_Bs3Mem4KUpperTiled.Core, "Tiled");
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| 84 | }
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| 85 |
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