| 1 | /* $Id: bs3-cmn-MemPrintInfo.c 106061 2024-09-16 14:03:52Z 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) 2007-2024 Oracle and/or its affiliates.
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| 8 | *
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| 9 | * This file is part of VirtualBox base platform packages, as
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| 10 | * available from https://www.virtualbox.org.
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| 11 | *
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| 12 | * This program is free software; you can redistribute it and/or
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| 13 | * modify it under the terms of the GNU General Public License
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| 14 | * as published by the Free Software Foundation, in version 3 of the
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| 15 | * License.
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| 16 | *
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| 17 | * This program is distributed in the hope that it will be useful, but
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| 18 | * WITHOUT ANY WARRANTY; without even the implied warranty of
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| 19 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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| 20 | * General Public License for more details.
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| 21 | *
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| 22 | * You should have received a copy of the GNU General Public License
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| 23 | * along with this program; if not, see <https://www.gnu.org/licenses>.
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| 24 | *
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| 25 | * The contents of this file may alternatively be used under the terms
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| 26 | * of the Common Development and Distribution License Version 1.0
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| 27 | * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
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| 28 | * in the VirtualBox distribution, in which case the provisions of the
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| 29 | * CDDL are applicable instead of those of the GPL.
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| 30 | *
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| 31 | * You may elect to license modified versions of this file under the
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| 32 | * terms and conditions of either the GPL or the CDDL or both.
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| 33 | *
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| 34 | * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
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| 35 | */
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| 36 |
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| 37 |
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| 38 | /*********************************************************************************************************************************
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| 39 | * Header Files *
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| 40 | *********************************************************************************************************************************/
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| 41 | #include "bs3kit-template-header.h"
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| 42 | #include "bs3-cmn-memory.h"
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| 43 | #include <iprt/asm.h>
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| 44 |
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| 45 |
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| 46 | /**
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| 47 | * Prints a slab control structure with allocation map.
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| 48 | *
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| 49 | * @param pCtl The slab control structure to print.
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| 50 | * @param pszPrefix The output prefix.
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| 51 | */
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| 52 | static void Bs3MemPrintInfoSlabCtl(PBS3SLABCTL pCtl, const char BS3_FAR *pszPrefix)
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| 53 | {
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| 54 | unsigned iChunk;
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| 55 | Bs3TestPrintf("%s / %#06x: %u of %u chunks free", pszPrefix, pCtl->cbChunk, pCtl->cFreeChunks, pCtl->cChunks);
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| 56 | for (iChunk = 0; iChunk < pCtl->cChunks; iChunk++)
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| 57 | {
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| 58 | if ((iChunk & 63) == 0)
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| 59 | Bs3TestPrintf("\n%s:", pszPrefix);
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| 60 | if (ASMBitTest(pCtl->bmAllocated, iChunk))
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| 61 | Bs3TestPrintf((iChunk & 7) != 0 ? "x" : " x");
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| 62 | else
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| 63 | Bs3TestPrintf((iChunk & 7) != 0 ? "-" : " -");
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| 64 | }
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| 65 | Bs3TestPrintf("\n");
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| 66 | }
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| 67 |
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| 68 |
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| 69 |
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| 70 | /**
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| 71 | * Prints a summary of a slab allocation list (i.e. the heap).
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| 72 | *
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| 73 | * @param paLists Array of BS3_MEM_SLAB_LIST_COUNT lists.
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| 74 | * @param pszPrefix The output prefix.
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| 75 | */
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| 76 | static void Bs3MemPrintInfoSlabList(PBS3SLABHEAD paLists, const char BS3_FAR *pszPrefix)
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| 77 | {
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| 78 | unsigned iSlab;
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| 79 | for (iSlab = 0; iSlab < BS3_MEM_SLAB_LIST_COUNT; iSlab++)
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| 80 | if (paLists[iSlab].cSlabs)
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| 81 | Bs3TestPrintf("%s / %#06x: %u slabs, %RU32 of %RU32 chunks free\n",
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| 82 | pszPrefix, paLists[iSlab].cbChunk, paLists[iSlab].cSlabs,
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| 83 | paLists[iSlab].cFreeChunks, paLists[iSlab].cChunks);
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| 84 | }
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| 85 |
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| 86 |
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| 87 | #undef Bs3MemPrintInfo
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| 88 | BS3_CMN_DEF(void, Bs3MemPrintInfo,(void))
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| 89 | {
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| 90 | Bs3MemPrintInfoSlabList(g_aBs3LowSlabLists, "Lower");
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| 91 | Bs3MemPrintInfoSlabList(g_aBs3LowSlabLists, "Upper");
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| 92 | Bs3MemPrintInfoSlabCtl(&g_Bs3Mem4KLow.Core, "4KLow");
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| 93 | Bs3MemPrintInfoSlabCtl(&g_Bs3Mem4KUpperTiled.Core, "Tiled");
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| 94 | }
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| 95 |
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