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Diffstat (limited to 'src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPrintInfo.c')
| -rw-r--r-- | src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPrintInfo.c | 95 |
1 files changed, 95 insertions, 0 deletions
diff --git a/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPrintInfo.c b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPrintInfo.c new file mode 100644 index 00000000..a6f5b6f6 --- /dev/null +++ b/src/VBox/ValidationKit/bootsectors/bs3kit/bs3-cmn-MemPrintInfo.c @@ -0,0 +1,95 @@ +/* $Id: bs3-cmn-MemPrintInfo.c $ */ +/** @file + * BS3Kit - Bs3MemPrintInfo + */ + +/* + * Copyright (C) 2007-2023 Oracle and/or its affiliates. + * + * This file is part of VirtualBox base platform packages, as + * available from https://www.virtualbox.org. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation, in version 3 of the + * License. + * + * This program is distributed in the hope that it will be useful, but + * WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, see <https://www.gnu.org/licenses>. + * + * The contents of this file may alternatively be used under the terms + * of the Common Development and Distribution License Version 1.0 + * (CDDL), a copy of it is provided in the "COPYING.CDDL" file included + * in the VirtualBox distribution, in which case the provisions of the + * CDDL are applicable instead of those of the GPL. + * + * You may elect to license modified versions of this file under the + * terms and conditions of either the GPL or the CDDL or both. + * + * SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0 + */ + + +/********************************************************************************************************************************* +* Header Files * +*********************************************************************************************************************************/ +#include "bs3kit-template-header.h" +#include "bs3-cmn-memory.h" +#include <iprt/asm.h> + + +/** + * Prints a slab control structure with allocation map. + * + * @param pCtl The slab control structure to print. + * @param pszPrefix The output prefix. + */ +static void Bs3MemPrintInfoSlabCtl(PBS3SLABCTL pCtl, const char BS3_FAR *pszPrefix) +{ + unsigned iChunk; + Bs3TestPrintf("%s / %#06x: %u of %u chunks free", pszPrefix, pCtl->cbChunk, pCtl->cFreeChunks, pCtl->cChunks); + for (iChunk = 0; iChunk < pCtl->cChunks; iChunk++) + { + if ((iChunk & 63) == 0) + Bs3TestPrintf("\n%s:", pszPrefix); + if (ASMBitTest(pCtl->bmAllocated, iChunk)) + Bs3TestPrintf((iChunk & 7) != 0 ? "x" : " x"); + else + Bs3TestPrintf((iChunk & 7) != 0 ? "-" : " -"); + } + Bs3TestPrintf("\n"); +} + + + +/** + * Prints a summary of a slab allocation list (i.e. the heap). + * + * @param paLists Array of BS3_MEM_SLAB_LIST_COUNT lists. + * @param pszPrefix The output prefix. + */ +static void Bs3MemPrintInfoSlabList(PBS3SLABHEAD paLists, const char BS3_FAR *pszPrefix) +{ + unsigned iSlab; + for (iSlab = 0; iSlab < BS3_MEM_SLAB_LIST_COUNT; iSlab++) + if (paLists[iSlab].cSlabs) + Bs3TestPrintf("%s / %#06x: %u slabs, %RU32 of %RU32 chunks free\n", + pszPrefix, paLists[iSlab].cbChunk, paLists[iSlab].cSlabs, + paLists[iSlab].cFreeChunks, paLists[iSlab].cChunks); +} + + +#undef Bs3MemPrintInfo +BS3_CMN_DEF(void, Bs3MemPrintInfo,(void)) +{ + Bs3MemPrintInfoSlabList(g_aBs3LowSlabLists, "Lower"); + Bs3MemPrintInfoSlabList(g_aBs3LowSlabLists, "Upper"); + Bs3MemPrintInfoSlabCtl(&g_Bs3Mem4KLow.Core, "4KLow"); + Bs3MemPrintInfoSlabCtl(&g_Bs3Mem4KUpperTiled.Core, "Tiled"); +} + |