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Diffstat (limited to 'src/VBox/Runtime/common/alloc/memtracker.cpp')
| -rw-r--r-- | src/VBox/Runtime/common/alloc/memtracker.cpp | 1359 |
1 files changed, 1359 insertions, 0 deletions
diff --git a/src/VBox/Runtime/common/alloc/memtracker.cpp b/src/VBox/Runtime/common/alloc/memtracker.cpp new file mode 100644 index 00000000..2610eedf --- /dev/null +++ b/src/VBox/Runtime/common/alloc/memtracker.cpp @@ -0,0 +1,1359 @@ +/* $Id: memtracker.cpp $ */ +/** @file + * IPRT - Memory Tracker & Leak Detector. + */ + +/* + * Copyright (C) 2010-2023 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 <iprt/memtracker.h> +#include "internal/iprt.h" + +#include <iprt/asm.h> +#include <iprt/assert.h> +#include <iprt/avl.h> +#include <iprt/critsect.h> +#ifdef IN_RING3 +# include <iprt/file.h> +#endif +#include <iprt/errcore.h> +#include <iprt/list.h> +#include <iprt/log.h> +#include <iprt/mem.h> +#include <iprt/semaphore.h> +#include <iprt/string.h> +#include <iprt/thread.h> + +#include "internal/file.h" +#include "internal/magics.h" +#include "internal/strhash.h" + + +/********************************************************************************************************************************* +* Structures and Typedefs * +*********************************************************************************************************************************/ +/** Pointer to a memory tracker instance */ +typedef struct RTMEMTRACKERINT *PRTMEMTRACKERINT; + +/** + * Memory tracker statistics. + */ +typedef struct RTMEMTRACKERSTATS +{ + /** Array of method calls. */ + uint64_t volatile acMethodCalls[RTMEMTRACKERMETHOD_END]; + /** The number of times this user freed or reallocated a memory block + * orignally allocated by someone else. */ + uint64_t volatile cUserChanges; + /** The total number of bytes allocated ever. */ + uint64_t volatile cbTotalAllocated; + /** The total number of blocks allocated ever. */ + uint64_t volatile cTotalAllocatedBlocks; + /** The number of bytes currently allocated. */ + size_t volatile cbAllocated; + /** The number of blocks currently allocated. */ + size_t volatile cAllocatedBlocks; +} RTMEMTRACKERSTATS; +/** Pointer to memory tracker statistics. */ +typedef RTMEMTRACKERSTATS *PRTMEMTRACKERSTATS; + + +/** + * Memory tracker user data. + */ +typedef struct RTMEMTRACKERUSER +{ + /** Entry in the user list (RTMEMTRACKERINT::UserList). */ + RTLISTNODE ListEntry; + /** Pointer to the tracker. */ + PRTMEMTRACKERINT pTracker; + /** Critical section protecting the memory list. */ + RTCRITSECT CritSect; + /** The list of memory allocated by this user (RTMEMTRACKERHDR). */ + RTLISTANCHOR MemoryList; + /** Positive numbers indicates recursion. + * Negative numbers are used for the global user since that is shared by + * more than one thread. */ + int32_t volatile cInTracker; + /** The user identifier. */ + uint32_t idUser; + /** The statistics for this user. */ + RTMEMTRACKERSTATS Stats; + /** The user (thread) name. */ + char szName[32]; +} RTMEMTRACKERUSER; +/** Pointer to memory tracker per user data. */ +typedef RTMEMTRACKERUSER *PRTMEMTRACKERUSER; + + +/** + * Memory tracker per tag statistics. + */ +typedef struct RTMEMTRACKERTAG +{ + /** AVL node core for lookup by hash. */ + AVLU32NODECORE Core; + /** Tag list entry for flat traversal while dumping. */ + RTLISTNODE ListEntry; + /** Pointer to the next tag with the same hash (collisions). */ + PRTMEMTRACKERTAG pNext; + /** The tag statistics. */ + RTMEMTRACKERSTATS Stats; + /** The tag name length. */ + size_t cchTag; + /** The tag string. */ + char szTag[1]; +} RTMEMTRACKERTAG; + + +/** + * The memory tracker instance. + */ +typedef struct RTMEMTRACKERINT +{ + /** Cross roads semaphore separating dumping and normal operation. + * - NS - normal tracking. + * - EW - dumping tracking data. */ + RTSEMXROADS hXRoads; + + /** Critical section protecting the user list and tag database. */ + RTCRITSECT CritSect; + /** List of RTMEMTRACKERUSER records. */ + RTLISTANCHOR UserList; + /** The next user identifier number. */ + uint32_t idUserNext; + /** The TLS index used for the per thread user records. */ + RTTLS iTls; + /** Cross roads semaphore used to protect the tag database. + * - NS - lookup. + * - EW + critsect - insertion. + * @todo Replaced this by a read-write semaphore. */ + RTSEMXROADS hXRoadsTagDb; + /** The root of the tag lookup database. */ + AVLU32TREE TagDbRoot; + /** List of RTMEMTRACKERTAG records. */ + RTLISTANCHOR TagList; +#if ARCH_BITS == 32 + /** Alignment padding. */ + uint32_t u32Alignment; +#endif + /** The global user record (fallback). */ + RTMEMTRACKERUSER FallbackUser; + /** The global statistics. */ + RTMEMTRACKERSTATS GlobalStats; + /** The number of busy (recursive) allocations. */ + uint64_t volatile cBusyAllocs; + /** The number of busy (recursive) frees. */ + uint64_t volatile cBusyFrees; + /** The number of tags. */ + uint32_t cTags; + /** The number of users. */ + uint32_t cUsers; +} RTMEMTRACKERINT; +AssertCompileMemberAlignment(RTMEMTRACKERINT, FallbackUser, 8); + + +/** + * Output callback structure. + */ +typedef struct RTMEMTRACKEROUTPUT +{ + /** The printf like callback. */ + DECLCALLBACKMEMBER(void, pfnPrintf,(struct RTMEMTRACKEROUTPUT *pThis, const char *pszFormat, ...)); + + /** The data. */ + union + { + RTFILE hFile; + } uData; +} RTMEMTRACKEROUTPUT; +/** Pointer to a memory tracker output callback structure. */ +typedef RTMEMTRACKEROUTPUT *PRTMEMTRACKEROUTPUT; + + +/********************************************************************************************************************************* +* Global Variables * +*********************************************************************************************************************************/ +/** Pointer to the default memory tracker. */ +static PRTMEMTRACKERINT g_pDefaultTracker = NULL; + + +/** + * Creates a memory tracker. + * + * @returns IRPT status code. + * @param ppTracker Where to return the tracker instance. + */ +static int rtMemTrackerCreate(PRTMEMTRACKERINT *ppTracker) +{ + PRTMEMTRACKERINT pTracker = (PRTMEMTRACKERINT)RTMemAllocZ(sizeof(*pTracker)); + if (!pTracker) + return VERR_NO_MEMORY; + + /* + * Create locks and stuff. + */ + int rc = RTCritSectInitEx(&pTracker->CritSect, + RTCRITSECT_FLAGS_NO_LOCK_VAL | RTCRITSECT_FLAGS_NO_NESTING | RTCRITSECT_FLAGS_BOOTSTRAP_HACK, + NIL_RTLOCKVALCLASS, RTLOCKVAL_SUB_CLASS_NONE, NULL); + if (RT_SUCCESS(rc)) + { + rc = RTSemXRoadsCreate(&pTracker->hXRoads); + if (RT_SUCCESS(rc)) + { + rc = RTSemXRoadsCreate(&pTracker->hXRoadsTagDb); + if (RT_SUCCESS(rc)) + { + rc = RTTlsAllocEx(&pTracker->iTls, NULL); + if (RT_SUCCESS(rc)) + { + rc = RTCritSectInitEx(&pTracker->FallbackUser.CritSect, + RTCRITSECT_FLAGS_NO_LOCK_VAL | RTCRITSECT_FLAGS_NO_NESTING | RTCRITSECT_FLAGS_BOOTSTRAP_HACK, + NIL_RTLOCKVALCLASS, RTLOCKVAL_SUB_CLASS_NONE, NULL); + if (RT_SUCCESS(rc)) + { + /* + * Initialize the rest of the structure. + */ + RTListInit(&pTracker->UserList); + RTListInit(&pTracker->TagList); + RTListInit(&pTracker->FallbackUser.ListEntry); + RTListInit(&pTracker->FallbackUser.MemoryList); + pTracker->FallbackUser.pTracker = pTracker; + pTracker->FallbackUser.cInTracker = INT32_MIN / 2; + pTracker->FallbackUser.idUser = pTracker->idUserNext++; + strcpy(pTracker->FallbackUser.szName, "fallback"); + + *ppTracker = pTracker; + return VINF_SUCCESS; + } + + RTTlsFree(pTracker->iTls); + } + RTSemXRoadsDestroy(pTracker->hXRoadsTagDb); + } + RTSemXRoadsDestroy(pTracker->hXRoads); + } + RTCritSectDelete(&pTracker->CritSect); + } + return rc; +} + + +/** + * Gets the user record to use. + * + * @returns Pointer to a user record. + * @param pTracker The tracker instance. + */ +static PRTMEMTRACKERUSER rtMemTrackerGetUser(PRTMEMTRACKERINT pTracker) +{ + /* ASSUMES that RTTlsGet and RTTlsSet will not reenter. */ + PRTMEMTRACKERUSER pUser = (PRTMEMTRACKERUSER)RTTlsGet(pTracker->iTls); + if (RT_UNLIKELY(!pUser)) + { + /* + * Is the thread currently initializing or terminating? + * If so, don't try add any user record for it as RTThread may barf or + * we might not get the thread name. + */ + if (!RTThreadIsSelfAlive()) + return &pTracker->FallbackUser; + + /* + * Allocate and initialize a new user record for this thread. + * + * We install the fallback user record while doing the allocation and + * locking so that we can deal with recursions. + */ + int rc = RTTlsSet(pTracker->iTls, &pTracker->FallbackUser); + if (RT_SUCCESS(rc)) + { + pUser = (PRTMEMTRACKERUSER)RTMemAllocZ(sizeof(*pUser)); + if (pUser) + { + rc = RTCritSectInitEx(&pUser->CritSect, + RTCRITSECT_FLAGS_NO_LOCK_VAL | RTCRITSECT_FLAGS_NO_NESTING | RTCRITSECT_FLAGS_BOOTSTRAP_HACK, + NIL_RTLOCKVALCLASS, RTLOCKVAL_SUB_CLASS_NONE, NULL); + if (RT_SUCCESS(rc)) + { + RTListInit(&pUser->ListEntry); + RTListInit(&pUser->MemoryList); + pUser->pTracker = pTracker; + pUser->cInTracker = 1; + + const char *pszName = RTThreadSelfName(); + if (pszName) + RTStrCopy(pUser->szName, sizeof(pUser->szName), pszName); + + /* + * Register the new user record. + */ + rc = RTTlsSet(pTracker->iTls, pUser); + if (RT_SUCCESS(rc)) + { + RTCritSectEnter(&pTracker->CritSect); + + pUser->idUser = pTracker->idUserNext++; + RTListAppend(&pTracker->UserList, &pUser->ListEntry); + pTracker->cUsers++; + + RTCritSectLeave(&pTracker->CritSect); + return pUser; + } + + RTCritSectDelete(&pUser->CritSect); + } + RTMemFree(pUser); + } + else + rc = VERR_NO_MEMORY; + } + + /* Failed, user the fallback. */ + pUser = &pTracker->FallbackUser; + } + + ASMAtomicIncS32(&pUser->cInTracker); + return pUser; +} + + +/** + * Counterpart to rtMemTrackerGetUser. + * + * @param pUser The user record to 'put' back. + */ +DECLINLINE(void) rtMemTrackerPutUser(PRTMEMTRACKERUSER pUser) +{ + ASMAtomicDecS32(&pUser->cInTracker); +} + + +/** + * Get the tag record corresponding to @a pszTag. + * + * @returns The tag record. This may be NULL if we're out of memory or + * if something goes wrong. + * + * @param pTracker The tracker instance. + * @param pUser The user record of the caller. Must NOT be + * NULL. This is used to prevent infinite + * recursions when allocating a new tag record. + * @param pszTag The tag string. Can be NULL. + */ +DECLINLINE(PRTMEMTRACKERTAG) rtMemTrackerGetTag(PRTMEMTRACKERINT pTracker, PRTMEMTRACKERUSER pUser, const char *pszTag) +{ + AssertPtr(pTracker); + AssertPtr(pUser); + if (pUser->cInTracker <= 0) + return NULL; + + /* + * Hash tag string. + */ + size_t cchTag; + uint32_t uHash; + if (pszTag) + uHash = sdbmN(pszTag, 260, &cchTag); + else + { + pszTag = ""; + cchTag = 0; + uHash = 0; + } + + /* + * Look up the tag. + */ + RTSemXRoadsNSEnter(pTracker->hXRoadsTagDb); + PRTMEMTRACKERTAG pTag = (PRTMEMTRACKERTAG)RTAvlU32Get(&pTracker->TagDbRoot, uHash); + while ( pTag + && ( pTag->cchTag != cchTag + || memcmp(pTag->szTag, pszTag, cchTag)) ) + pTag = pTag->pNext; + RTSemXRoadsNSLeave(pTracker->hXRoadsTagDb); + + /* + * Create a new tag record if not found. + */ + if (RT_UNLIKELY(!pTag)) + { + pTag = (PRTMEMTRACKERTAG)RTMemAllocZVar(RT_UOFFSETOF_DYN(RTMEMTRACKERTAG, szTag[cchTag + 1])); + if (pTag) + { + pTag->Core.Key = uHash; + pTag->cchTag = cchTag; + memcpy(pTag->szTag, pszTag, cchTag + 1); + + RTSemXRoadsEWEnter(pTracker->hXRoadsTagDb); + RTCritSectEnter(&pTracker->CritSect); + + void *pvFreeMe = NULL; + PRTMEMTRACKERTAG pHeadTag = (PRTMEMTRACKERTAG)RTAvlU32Get(&pTracker->TagDbRoot, uHash); + if (!pHeadTag) + { + RTAvlU32Insert(&pTracker->TagDbRoot, &pTag->Core); + RTListAppend(&pTracker->TagList, &pTag->ListEntry); + pTracker->cTags++; + } + else + { + PRTMEMTRACKERTAG pTag2 = pHeadTag; + while ( pTag2 + && ( pTag2->cchTag != cchTag + || memcmp(pTag2->szTag, pszTag, cchTag)) ) + pTag2 = pTag2->pNext; + if (RT_LIKELY(!pTag2)) + { + pTag->pNext = pHeadTag->pNext; + pHeadTag->pNext = pTag; + RTListAppend(&pTracker->TagList, &pTag->ListEntry); + pTracker->cTags++; + } + else + { + pvFreeMe = pTag; + pTag = pTag2; + } + } + + RTCritSectLeave(&pTracker->CritSect); + RTSemXRoadsEWLeave(pTracker->hXRoadsTagDb); + + if (RT_LIKELY(pvFreeMe)) + RTMemFree(pvFreeMe); + } + } + + return pTag; +} + + +/** + * Counterpart to rtMemTrackerGetTag. + * + * @param pTag The tag record to 'put' back. + */ +DECLINLINE(void) rtMemTrackerPutTag(PRTMEMTRACKERTAG pTag) +{ + NOREF(pTag); +} + + +/** + * Record an allocation call. + * + * @param pStats The statistics record. + * @param cbUser The size of the allocation. + * @param enmMethod The allocation method. + */ +DECLINLINE(void) rtMemTrackerStateRecordAlloc(PRTMEMTRACKERSTATS pStats, size_t cbUser, RTMEMTRACKERMETHOD enmMethod) +{ + ASMAtomicAddU64(&pStats->cbTotalAllocated, cbUser); + ASMAtomicIncU64(&pStats->cTotalAllocatedBlocks); + ASMAtomicAddZ(&pStats->cbAllocated, cbUser); + ASMAtomicIncZ(&pStats->cAllocatedBlocks); + ASMAtomicIncU64(&pStats->acMethodCalls[enmMethod]); +} + + +/** + * Record a free call. + * + * @param pStats The statistics record. + * @param cbUser The size of the allocation. + * @param enmMethod The free method. + */ +DECLINLINE(void) rtMemTrackerStateRecordFree(PRTMEMTRACKERSTATS pStats, size_t cbUser, RTMEMTRACKERMETHOD enmMethod) +{ + ASMAtomicSubZ(&pStats->cbAllocated, cbUser); + ASMAtomicDecZ(&pStats->cAllocatedBlocks); + ASMAtomicIncU64(&pStats->acMethodCalls[enmMethod]); +} + + +/** + * Internal RTMemTrackerHdrAlloc and RTMemTrackerHdrAllocEx worker. + * + * @returns Pointer to the user data allocation. + * @param pTracker The tracker instance. Can be NULL. + * @param pv The pointer to the allocated memory. This + * includes room for the header. + * @param cbUser The size requested by the user. + * @param pszTag The tag string. + * @param pvCaller The return address. + * @param enmMethod The allocation method. + */ +static void *rtMemTrackerHdrAllocEx(PRTMEMTRACKERINT pTracker, void *pv, size_t cbUser, + const char *pszTag, void *pvCaller, RTMEMTRACKERMETHOD enmMethod) +{ + /* + * Check input. + */ + if (!pv) + return NULL; + AssertReturn(enmMethod > RTMEMTRACKERMETHOD_INVALID && enmMethod < RTMEMTRACKERMETHOD_END, NULL); + + /* + * Initialize the header. + */ + PRTMEMTRACKERHDR pHdr = (PRTMEMTRACKERHDR)pv; + + pHdr->uMagic = RTMEMTRACKERHDR_MAGIC; + pHdr->cbUser = cbUser; + RTListInit(&pHdr->ListEntry); + pHdr->pUser = NULL; + pHdr->pszTag = pszTag; + pHdr->pTag = NULL; + pHdr->pvCaller = pvCaller; + pHdr->pvUser = pHdr + 1; + pHdr->uReserved = 0; + + /* + * Add it to the tracker if we've got one. + */ + if (pTracker) + { + PRTMEMTRACKERUSER pUser = rtMemTrackerGetUser(pTracker); + if (pUser->cInTracker == 1) + { + RTSemXRoadsNSEnter(pTracker->hXRoads); + + /* Get the tag and update it's statistics. */ + PRTMEMTRACKERTAG pTag = rtMemTrackerGetTag(pTracker, pUser, pszTag); + if (pTag) + { + pHdr->pTag = pTag; + rtMemTrackerStateRecordAlloc(&pTag->Stats, cbUser, enmMethod); + rtMemTrackerPutTag(pTag); + } + + /* Link the header and update the user statistics. */ + RTCritSectEnter(&pUser->CritSect); + RTListAppend(&pUser->MemoryList, &pHdr->ListEntry); + RTCritSectLeave(&pUser->CritSect); + + pHdr->pUser = pUser; + rtMemTrackerStateRecordAlloc(&pUser->Stats, cbUser, enmMethod); + + /* Update the global statistics. */ + rtMemTrackerStateRecordAlloc(&pTracker->GlobalStats, cbUser, enmMethod); + + RTSemXRoadsNSLeave(pTracker->hXRoads); + } + else + ASMAtomicIncU64(&pTracker->cBusyAllocs); + rtMemTrackerPutUser(pUser); + } + + return pHdr + 1; +} + + +/** + * Internal worker for rtMemTrackerHdrFreeEx and rtMemTrackerHdrReallocPrep. + * + * @returns Pointer to the original block. + * @param pTracker The tracker instance. Can be NULL. + * @param pvUser Pointer to the user memory. + * @param cbUser The size of the user memory or 0. + * @param pszTag The tag to associate the free with. + * @param pvCaller The return address. + * @param enmMethod The free method. + * @param uDeadMagic The dead magic value to use. + */ +static void *rtMemTrackerHdrFreeCommon(PRTMEMTRACKERINT pTracker, void *pvUser, size_t cbUser, + const char *pszTag, void *pvCaller, RTMEMTRACKERMETHOD enmMethod, + size_t uDeadMagic) +{ + PRTMEMTRACKERHDR pHdr = (PRTMEMTRACKERHDR)pvUser - 1; + AssertReturn(pHdr->uMagic == RTMEMTRACKERHDR_MAGIC, NULL); + Assert(pHdr->cbUser == cbUser || !cbUser); NOREF(cbUser); + Assert(pHdr->pvUser == pvUser); + + AssertReturn(enmMethod > RTMEMTRACKERMETHOD_INVALID && enmMethod < RTMEMTRACKERMETHOD_END, NULL); + + /* + * First mark it as free. + */ + pHdr->uMagic = uDeadMagic; + + /* + * If there is a association with a user, we need to unlink it and update + * the statistics. + * + * A note on the locking here. We don't take the crossroads semaphore when + * reentering the memory tracker on the same thread because we may be + * holding it in a different direction and would therefore deadlock. + */ + PRTMEMTRACKERUSER pMemUser = pHdr->pUser; + if (pMemUser) + { + Assert(pMemUser->pTracker == pTracker); Assert(pTracker); + PRTMEMTRACKERUSER pCallingUser = rtMemTrackerGetUser(pTracker); + bool const fTakeXRoadsLock = pCallingUser->cInTracker <= 1; + if (fTakeXRoadsLock) + RTSemXRoadsNSEnter(pTracker->hXRoads); + + RTCritSectEnter(&pMemUser->CritSect); + RTListNodeRemove(&pHdr->ListEntry); + RTCritSectLeave(&pMemUser->CritSect); + + if (pCallingUser == pMemUser) + rtMemTrackerStateRecordFree(&pCallingUser->Stats, pHdr->cbUser, enmMethod); + else + { + ASMAtomicIncU64(&pCallingUser->Stats.cUserChanges); + ASMAtomicIncU64(&pCallingUser->Stats.acMethodCalls[enmMethod]); + + ASMAtomicSubU64(&pMemUser->Stats.cbTotalAllocated, cbUser); + ASMAtomicSubZ(&pMemUser->Stats.cbAllocated, cbUser); + } + + rtMemTrackerStateRecordFree(&pTracker->GlobalStats, pHdr->cbUser, enmMethod); + + /** @todo we're currently ignoring pszTag, consider how to correctly + * attribute the free operation if the tags differ - if it + * makes sense at all... */ + NOREF(pszTag); + if (pHdr->pTag) + rtMemTrackerStateRecordFree(&pHdr->pTag->Stats, pHdr->cbUser, enmMethod); + + + if (fTakeXRoadsLock) + RTSemXRoadsNSLeave(pTracker->hXRoads); + rtMemTrackerPutUser(pCallingUser); + } + else + { + /* + * No tracked. This may happen even when pTracker != NULL when the same + * thread reenters the tracker when allocating tracker structures or memory + * in some subroutine like threading and locking. + */ + Assert(!pHdr->pTag); + if (pTracker) + ASMAtomicIncU64(&pTracker->cBusyFrees); + } + + NOREF(pvCaller); /* Intended for We may later do some use-after-free tracking. */ + return pHdr; +} + + +/** + * Internal worker for RTMemTrackerHdrReallocPrep and + * RTMemTrackerHdrReallocPrepEx. + * + * @returns Pointer to the actual allocation. + * @param pTracker The tracker instance. Can be NULL. + * @param pvOldUser The user memory. + * @param cbOldUser The size of the user memory, 0 if unknown. + * @param pszTag The tag string. + * @param pvCaller The return address. + */ +static void *rtMemTrackerHdrReallocPrepEx(PRTMEMTRACKERINT pTracker, void *pvOldUser, size_t cbOldUser, + const char *pszTag, void *pvCaller) +{ + if (!pvOldUser) + return NULL; + return rtMemTrackerHdrFreeCommon(pTracker, pvOldUser, cbOldUser, pszTag, pvCaller, + RTMEMTRACKERMETHOD_REALLOC_PREP, RTMEMTRACKERHDR_MAGIC_REALLOC); +} + + +/** + * Internal worker for RTMemTrackerHdrReallocDone and + * RTMemTrackerHdrReallocDoneEx. + * + * @returns Pointer to the actual allocation. + * @param pTracker The tracker instance. Can be NULL. + * @param pvNew The new memory chunk. Can be NULL. + * @param cbNewUser The size of the new memory chunk. + * @param pvOldUser Pointer to the old user memory. + * @param pszTag The tag string. + * @param pvCaller The return address. + */ +static void *rtMemTrackerHdrReallocDoneEx(PRTMEMTRACKERINT pTracker, void *pvNew, size_t cbNewUser, + void *pvOldUser, const char *pszTag, void *pvCaller) +{ + /* Succeeded? */ + if (pvNew) + return rtMemTrackerHdrAllocEx(pTracker, pvNew, cbNewUser, pszTag, pvCaller, RTMEMTRACKERMETHOD_REALLOC_DONE); + + /* Failed or just realloc to zero? */ + if (cbNewUser) + { + PRTMEMTRACKERHDR pHdr = (PRTMEMTRACKERHDR)pvOldUser - 1; + AssertReturn(pHdr->uMagic == RTMEMTRACKERHDR_MAGIC_REALLOC, NULL); + + return rtMemTrackerHdrAllocEx(pTracker, pHdr, pHdr->cbUser, pszTag, pvCaller, RTMEMTRACKERMETHOD_REALLOC_FAILED); + } + + /* Tealloc to zero bytes, i.e. free. */ + return NULL; +} + + +/** + * Internal worker for RTMemTrackerHdrFree and RTMemTrackerHdrFreeEx. + * + * @returns Pointer to the actual allocation. + * @param pTracker The tracker instance. Can be NULL. + * @param pvUser The user memory. + * @param cbUser The size of the user memory, 0 if unknown. + * @param pszTag The tag string. + * @param pvCaller The return address. + * @param enmMethod The free method. + */ +static void *rtMemTrackerHdrFreeEx(PRTMEMTRACKERINT pTracker, void *pvUser, size_t cbUser, + const char *pszTag, void *pvCaller, RTMEMTRACKERMETHOD enmMethod) +{ + if (!pvUser) + return NULL; + return rtMemTrackerHdrFreeCommon(pTracker, pvUser, cbUser, pszTag, pvCaller, enmMethod, RTMEMTRACKERHDR_MAGIC_FREE); +} + + +/** + * Prints a statistics record. + * + * @param pStats The record. + * @param pOutput The output callback table. + * @param fVerbose Whether to print in terse or verbose form. + */ +DECLINLINE(void) rtMemTrackerDumpOneStatRecord(PRTMEMTRACKERSTATS pStats, PRTMEMTRACKEROUTPUT pOutput, bool fVerbose) +{ + if (fVerbose) + { + pOutput->pfnPrintf(pOutput, + " Currently allocated: %7zu blocks, %8zu bytes\n" + " Total allocation sum: %7RU64 blocks, %8RU64 bytes\n" + , + pStats->cAllocatedBlocks, + pStats->cbAllocated, + pStats->cTotalAllocatedBlocks, + pStats->cbTotalAllocated); + pOutput->pfnPrintf(pOutput, + " Alloc: %7RU64 AllocZ: %7RU64 Free: %7RU64 User Chg: %7RU64\n" + " RPrep: %7RU64 RDone: %7RU64 RFail: %7RU64\n" + " New: %7RU64 New[]: %7RU64 Delete: %7RU64 Delete[]: %7RU64\n" + , + pStats->acMethodCalls[RTMEMTRACKERMETHOD_ALLOC], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_ALLOCZ], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_FREE], + pStats->cUserChanges, + pStats->acMethodCalls[RTMEMTRACKERMETHOD_REALLOC_PREP], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_REALLOC_DONE], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_REALLOC_FAILED], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_NEW], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_NEW_ARRAY], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_DELETE], + pStats->acMethodCalls[RTMEMTRACKERMETHOD_DELETE_ARRAY]); + } + else + { + pOutput->pfnPrintf(pOutput, " %zu bytes in %zu blocks\n", + pStats->cbAllocated, pStats->cAllocatedBlocks); + } +} + + +/** + * Internal worker that dumps all the memory tracking data. + * + * @param pTracker The tracker instance. Can be NULL. + * @param pOutput The output callback table. + */ +static void rtMemTrackerDumpAllWorker(PRTMEMTRACKERINT pTracker, PRTMEMTRACKEROUTPUT pOutput) +{ + if (!pTracker) + return; + + /* + * We use the EW direction to make sure the lists, trees and statistics + * does not change while we're working. + */ + PRTMEMTRACKERUSER pUser = rtMemTrackerGetUser(pTracker); + RTSemXRoadsEWEnter(pTracker->hXRoads); + + /* Global statistics.*/ + pOutput->pfnPrintf(pOutput, "*** Global statistics ***\n"); + rtMemTrackerDumpOneStatRecord(&pTracker->GlobalStats, pOutput, true); + pOutput->pfnPrintf(pOutput, " Busy Allocs: %4RU64 Busy Frees: %4RU64 Tags: %3u Users: %3u\n", + pTracker->cBusyAllocs, pTracker->cBusyFrees, pTracker->cTags, pTracker->cUsers); + + /* Per tag statistics. */ + pOutput->pfnPrintf(pOutput, "\n*** Tag statistics ***\n"); + PRTMEMTRACKERTAG pTag, pNextTag; + RTListForEachSafe(&pTracker->TagList, pTag, pNextTag, RTMEMTRACKERTAG, ListEntry) + { + pOutput->pfnPrintf(pOutput, "Tag: %s\n", pTag->szTag); + rtMemTrackerDumpOneStatRecord(&pTag->Stats, pOutput, true); + pOutput->pfnPrintf(pOutput, "\n", pTag->szTag); + } + + /* Per user statistics & blocks. */ + pOutput->pfnPrintf(pOutput, "\n*** User statistics ***\n"); + PRTMEMTRACKERUSER pCurUser, pNextUser; + RTListForEachSafe(&pTracker->UserList, pCurUser, pNextUser, RTMEMTRACKERUSER, ListEntry) + { + pOutput->pfnPrintf(pOutput, "User #%u: %s%s (cInTracker=%d)\n", + pCurUser->idUser, + pCurUser->szName, + pUser == pCurUser ? " (me)" : "", + pCurUser->cInTracker); + rtMemTrackerDumpOneStatRecord(&pCurUser->Stats, pOutput, true); + + PRTMEMTRACKERHDR pCurHdr, pNextHdr; + RTListForEachSafe(&pCurUser->MemoryList, pCurHdr, pNextHdr, RTMEMTRACKERHDR, ListEntry) + { + if (pCurHdr->pTag) + pOutput->pfnPrintf(pOutput, + " %zu bytes at %p by %p with tag %s\n" + "%.*Rhxd\n" + "\n", + pCurHdr->cbUser, pCurHdr->pvUser, pCurHdr->pvCaller, pCurHdr->pTag->szTag, + RT_MIN(pCurHdr->cbUser, 16*3), pCurHdr->pvUser); + else + pOutput->pfnPrintf(pOutput, + " %zu bytes at %p by %p without a tag\n" + "%.*Rhxd\n" + "\n", + pCurHdr->cbUser, pCurHdr->pvUser, pCurHdr->pvCaller, + RT_MIN(pCurHdr->cbUser, 16*3), pCurHdr->pvUser); + } + pOutput->pfnPrintf(pOutput, "\n", pTag->szTag); + } + + /* Repeat the global statistics. */ + pOutput->pfnPrintf(pOutput, "*** Global statistics (reprise) ***\n"); + rtMemTrackerDumpOneStatRecord(&pTracker->GlobalStats, pOutput, true); + pOutput->pfnPrintf(pOutput, " Busy Allocs: %4RU64 Busy Frees: %4RU64 Tags: %3u Users: %3u\n", + pTracker->cBusyAllocs, pTracker->cBusyFrees, pTracker->cTags, pTracker->cUsers); + + RTSemXRoadsEWLeave(pTracker->hXRoads); + rtMemTrackerPutUser(pUser); +} + + +/** + * Internal worker that dumps the memory tracking statistics. + * + * @param pTracker The tracker instance. Can be NULL. + * @param pOutput The output callback table. + * @param fVerbose Whether to the verbose or quiet. + */ +static void rtMemTrackerDumpStatsWorker(PRTMEMTRACKERINT pTracker, PRTMEMTRACKEROUTPUT pOutput, bool fVerbose) +{ + if (!pTracker) + return; + + /* + * We use the EW direction to make sure the lists, trees and statistics + * does not change while we're working. + */ + PRTMEMTRACKERUSER pUser = rtMemTrackerGetUser(pTracker); + RTSemXRoadsEWEnter(pTracker->hXRoads); + + /* Global statistics.*/ + pOutput->pfnPrintf(pOutput, "*** Global statistics ***\n"); + rtMemTrackerDumpOneStatRecord(&pTracker->GlobalStats, pOutput, fVerbose); + if (fVerbose) + pOutput->pfnPrintf(pOutput, " Busy Allocs: %4RU64 Busy Frees: %4RU64 Tags: %3u Users: %3u\n", + pTracker->cBusyAllocs, pTracker->cBusyFrees, pTracker->cTags, pTracker->cUsers); + + /* Per tag statistics. */ + pOutput->pfnPrintf(pOutput, "\n*** Tag statistics ***\n"); + PRTMEMTRACKERTAG pTag, pNextTag; + RTListForEachSafe(&pTracker->TagList, pTag, pNextTag, RTMEMTRACKERTAG, ListEntry) + { + if ( fVerbose + || pTag->Stats.cbAllocated) + { + pOutput->pfnPrintf(pOutput, "Tag: %s\n", pTag->szTag); + rtMemTrackerDumpOneStatRecord(&pTag->Stats, pOutput, fVerbose); + if (fVerbose) + pOutput->pfnPrintf(pOutput, "\n", pTag->szTag); + } + } + + /* Per user statistics. */ + pOutput->pfnPrintf(pOutput, "\n*** User statistics ***\n"); + PRTMEMTRACKERUSER pCurUser, pNextUser; + RTListForEachSafe(&pTracker->UserList, pCurUser, pNextUser, RTMEMTRACKERUSER, ListEntry) + { + if ( fVerbose + || pCurUser->Stats.cbAllocated + || pCurUser == pUser) + { + pOutput->pfnPrintf(pOutput, "User #%u: %s%s (cInTracker=%d)\n", + pCurUser->idUser, + pCurUser->szName, + pUser == pCurUser ? " (me)" : "", + pCurUser->cInTracker); + rtMemTrackerDumpOneStatRecord(&pCurUser->Stats, pOutput, fVerbose); + if (fVerbose) + pOutput->pfnPrintf(pOutput, "\n", pTag->szTag); + } + } + + if (fVerbose) + { + /* Repeat the global statistics. */ + pOutput->pfnPrintf(pOutput, "*** Global statistics (reprise) ***\n"); + rtMemTrackerDumpOneStatRecord(&pTracker->GlobalStats, pOutput, fVerbose); + pOutput->pfnPrintf(pOutput, " Busy Allocs: %4RU64 Busy Frees: %4RU64 Tags: %3u Users: %3u\n", + pTracker->cBusyAllocs, pTracker->cBusyFrees, pTracker->cTags, pTracker->cUsers); + } + + RTSemXRoadsEWLeave(pTracker->hXRoads); + rtMemTrackerPutUser(pUser); +} + + +/** + * @callback_method_impl{RTMEMTRACKEROUTPUT::pfnPrintf, Outputting to the release log} + */ +static DECLCALLBACK(void) rtMemTrackerDumpLogOutput(PRTMEMTRACKEROUTPUT pThis, const char *pszFormat, ...) +{ + NOREF(pThis); + va_list va; + va_start(va, pszFormat); + RTLogPrintfV(pszFormat, va); + va_end(va); +} + + +/** + * Internal worker for RTMemTrackerDumpAllToLog and RTMemTrackerDumpAllToLogEx. + * + * @param pTracker The tracker instance. Can be NULL. + */ +static void rtMemTrackerDumpAllToLogEx(PRTMEMTRACKERINT pTracker) +{ + RTMEMTRACKEROUTPUT Output; + Output.pfnPrintf = rtMemTrackerDumpLogOutput; + rtMemTrackerDumpAllWorker(pTracker, &Output); +} + + +/** + * Internal worker for RTMemTrackerDumpStatsToLog and + * RTMemTrackerDumpStatsToLogEx. + * + * @param pTracker The tracker instance. Can be NULL. + * @param fVerbose Whether to print all the stats or just the ones + * relevant to hunting leaks. + */ +static void rtMemTrackerDumpStatsToLogEx(PRTMEMTRACKERINT pTracker, bool fVerbose) +{ + RTMEMTRACKEROUTPUT Output; + Output.pfnPrintf = rtMemTrackerDumpLogOutput; + rtMemTrackerDumpStatsWorker(pTracker, &Output, fVerbose); +} + + +/** + * @callback_method_impl{RTMEMTRACKEROUTPUT::pfnPrintf, Outputting to the release log} + */ +static DECLCALLBACK(void) rtMemTrackerDumpLogRelOutput(PRTMEMTRACKEROUTPUT pThis, const char *pszFormat, ...) +{ + NOREF(pThis); + va_list va; + va_start(va, pszFormat); + RTLogRelPrintfV(pszFormat, va); + va_end(va); +} + + +/** + * Internal worker for RTMemTrackerDumpStatsToLog and + * RTMemTrackerDumpStatsToLogEx. + * + * @param pTracker The tracker instance. Can be NULL. + */ +static void rtMemTrackerDumpAllToLogRelEx(PRTMEMTRACKERINT pTracker) +{ + RTMEMTRACKEROUTPUT Output; + Output.pfnPrintf = rtMemTrackerDumpLogRelOutput; + rtMemTrackerDumpAllWorker(pTracker, &Output); +} + + +/** + * Internal worker for RTMemTrackerDumpStatsToLogRel and + * RTMemTrackerDumpStatsToLogRelEx. + * + * @param pTracker The tracker instance. Can be NULL. + * @param fVerbose Whether to print all the stats or just the ones + * relevant to hunting leaks. + */ +static void rtMemTrackerDumpStatsToLogRelEx(PRTMEMTRACKERINT pTracker, bool fVerbose) +{ + RTMEMTRACKEROUTPUT Output; + Output.pfnPrintf = rtMemTrackerDumpLogRelOutput; + rtMemTrackerDumpStatsWorker(pTracker, &Output, fVerbose); +} + +#ifdef IN_RING3 + +/** + * @callback_method_impl{RTMEMTRACKEROUTPUT::pfnPrintf, Outputting to file} + */ +static DECLCALLBACK(void) rtMemTrackerDumpFileOutput(PRTMEMTRACKEROUTPUT pThis, const char *pszFormat, ...) +{ + va_list va; + va_start(va, pszFormat); + char szOutput[_4K]; + size_t cchOutput = RTStrPrintfV(szOutput, sizeof(szOutput), pszFormat, va); + va_end(va); + RTFileWrite(pThis->uData.hFile, szOutput, cchOutput, NULL); +} + + +/** + * Internal work that dumps the memory tracking statistics to a file handle. + * + * @param pTracker The tracker instance. Can be NULL. + * @param fVerbose Whether to print all the stats or just the ones + * relevant to hunting leaks. + * @param hFile The file handle. Can be NIL_RTFILE. + */ +static void rtMemTrackerDumpStatsToFileHandle(PRTMEMTRACKERINT pTracker, bool fVerbose, RTFILE hFile) +{ + if (hFile == NIL_RTFILE) + return; + RTMEMTRACKEROUTPUT Output; + Output.pfnPrintf = rtMemTrackerDumpFileOutput; + Output.uData.hFile = hFile; + rtMemTrackerDumpStatsWorker(pTracker, &Output, fVerbose); +} + + +/** + * Internal work that dumps all the memory tracking information to a file + * handle. + * + * @param pTracker The tracker instance. Can be NULL. + * @param hFile The file handle. Can be NIL_RTFILE. + */ +static void rtMemTrackerDumpAllToFileHandle(PRTMEMTRACKERINT pTracker, RTFILE hFile) +{ + if (hFile == NIL_RTFILE) + return; + RTMEMTRACKEROUTPUT Output; + Output.pfnPrintf = rtMemTrackerDumpFileOutput; + Output.uData.hFile = hFile; + rtMemTrackerDumpAllWorker(pTracker, &Output); +} + + +/** + * Internal worker for RTMemTrackerDumpStatsToStdOut and + * RTMemTrackerDumpStatsToStdOutEx. + * + * @param pTracker The tracker instance. Can be NULL. + * @param fVerbose Whether to print all the stats or just the ones + * relevant to hunting leaks. + */ +static void rtMemTrackerDumpStatsToStdOutEx(PRTMEMTRACKERINT pTracker, bool fVerbose) +{ + rtMemTrackerDumpStatsToFileHandle(pTracker, fVerbose, rtFileGetStandard(RTHANDLESTD_OUTPUT)); +} + + +/** + * Internal worker for RTMemTrackerDumpAllToStdOut and + * RTMemTrackerDumpAllToStdOutEx. + * + * @param pTracker The tracker instance. Can be NULL. + */ +static void rtMemTrackerDumpAllToStdOutEx(PRTMEMTRACKERINT pTracker) +{ + rtMemTrackerDumpAllToFileHandle(pTracker, rtFileGetStandard(RTHANDLESTD_OUTPUT)); +} + + +/** + * Internal worker for RTMemTrackerDumpStatsToStdErr and + * RTMemTrackerDumpStatsToStdErrEx. + * + * @param pTracker The tracker instance. Can be NULL. + * @param fVerbose Whether to print all the stats or just the ones + * relevant to hunting leaks. + */ +static void rtMemTrackerDumpStatsToStdErrEx(PRTMEMTRACKERINT pTracker, bool fVerbose) +{ + rtMemTrackerDumpStatsToFileHandle(pTracker, fVerbose, rtFileGetStandard(RTHANDLESTD_ERROR)); +} + + +/** + * Internal worker for RTMemTrackerDumpAllToStdErr and + * RTMemTrackerDumpAllToStdErrEx. + * + * @param pTracker The tracker instance. Can be NULL. + */ +static void rtMemTrackerDumpAllToStdErrEx(PRTMEMTRACKERINT pTracker) +{ + rtMemTrackerDumpAllToFileHandle(pTracker, rtFileGetStandard(RTHANDLESTD_ERROR)); +} + + +/** + * Internal worker for RTMemTrackerDumpStatsToFile and + * RTMemTrackerDumpStatsToFileEx. + * + * @param pTracker The tracker instance. Can be NULL. + * @param fVerbose Whether to print all the stats or just the ones + * relevant to hunting leaks. + * @param pszFilename The name of the output file. + */ +static void rtMemTrackerDumpStatsToFileEx(PRTMEMTRACKERINT pTracker, bool fVerbose, const char *pszFilename) +{ + if (!pTracker) + return; + + /** @todo this is borked. */ + RTFILE hFile; + int rc = RTFileOpen(&hFile, pszFilename, + RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE + | (0600 << RTFILE_O_CREATE_MODE_SHIFT)); + if (RT_FAILURE(rc)) + return; + rtMemTrackerDumpStatsToFileHandle(pTracker, fVerbose, hFile); + RTFileClose(hFile); +} + + +/** + * Internal worker for RTMemTrackerDumpAllToFile and + * RTMemTrackerDumpAllToFileEx. + * + * @param pTracker The tracker instance. Can be NULL. + * @param pszFilename The name of the output file. + */ +static void rtMemTrackerDumpAllToFileEx(PRTMEMTRACKERINT pTracker, const char *pszFilename) +{ + if (!pTracker) + return; + + RTFILE hFile; + int rc = RTFileOpen(&hFile, pszFilename, + RTFILE_O_WRITE | RTFILE_O_CREATE_REPLACE | RTFILE_O_DENY_NONE + | (0600 << RTFILE_O_CREATE_MODE_SHIFT)); + if (RT_FAILURE(rc)) + return; + rtMemTrackerDumpAllToFileHandle(pTracker, hFile); + RTFileClose(hFile); +} + +#endif /* IN_RING3 */ + + + +/* + * + * + * Default tracker. + * Default tracker. + * Default tracker. + * Default tracker. + * Default tracker. + * + * + */ + + +/** + * Handles the lazy initialization when g_pDefaultTracker is NULL. + * + * @returns The newly created default tracker or NULL. + */ +static PRTMEMTRACKERINT rtMemTrackerLazyInitDefaultTracker(void) +{ + /* + * Don't attempt initialize before RTThread has been initialized. + */ + if (!RTThreadIsInitialized()) + return NULL; + + /* + * Only one initialization at a time. For now we'll ASSUME that there + * won't be thread ending up here at the same time, only the same + * reentering from the allocator when creating the tracker. + */ + static volatile bool s_fInitialized = false; + if (ASMAtomicXchgBool(&s_fInitialized, true)) + return g_pDefaultTracker; + + PRTMEMTRACKERINT pTracker = NULL; /* gcc sucks. */ + int rc = rtMemTrackerCreate(&pTracker); + if (RT_FAILURE(rc)) + return NULL; + + g_pDefaultTracker = pTracker; + return pTracker; +} + + + +RTDECL(void *) RTMemTrackerHdrAlloc(void *pv, size_t cb, const char *pszTag, void *pvCaller, RTMEMTRACKERMETHOD enmMethod) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerHdrAllocEx(pTracker, pv, cb, pszTag, pvCaller, enmMethod); +} + + +RTDECL(void *) RTMemTrackerHdrReallocPrep(void *pvOldUser, size_t cbOldUser, const char *pszTag, void *pvCaller) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerHdrReallocPrepEx(pTracker, pvOldUser, cbOldUser, pszTag, pvCaller); +} + + +RTDECL(void *) RTMemTrackerHdrReallocDone(void *pvNew, size_t cbNewUser, void *pvOld, const char *pszTag, void *pvCaller) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerHdrReallocDoneEx(pTracker, pvNew, cbNewUser, pvOld, pszTag, pvCaller); +} + + +RTDECL(void *) RTMemTrackerHdrFree(void *pvUser, size_t cbUser, const char *pszTag, void *pvCaller, RTMEMTRACKERMETHOD enmMethod) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerHdrFreeEx(pTracker, pvUser, cbUser, pszTag, pvCaller, enmMethod); +} + + +RTDECL(void) RTMemTrackerDumpAllToLog(void) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpAllToLogEx(pTracker); +} + + +RTDECL(void) RTMemTrackerDumpAllToLogRel(void) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpAllToLogRelEx(pTracker); +} + + +RTDECL(void) RTMemTrackerDumpAllToStdOut(void) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpAllToStdOutEx(pTracker); +} + + +RTDECL(void) RTMemTrackerDumpAllToStdErr(void) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpAllToStdErrEx(pTracker); +} + + +RTDECL(void) RTMemTrackerDumpAllToFile(const char *pszFilename) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpAllToFileEx(pTracker, pszFilename); +} + + +RTDECL(void) RTMemTrackerDumpStatsToLog(bool fVerbose) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpStatsToLogEx(pTracker, fVerbose); +} + + +RTDECL(void) RTMemTrackerDumpStatsToLogRel(bool fVerbose) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpStatsToLogRelEx(pTracker, fVerbose); +} + + +RTDECL(void) RTMemTrackerDumpStatsToStdOut(bool fVerbose) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpStatsToStdOutEx(pTracker, fVerbose); +} + + +RTDECL(void) RTMemTrackerDumpStatsToStdErr(bool fVerbose) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpStatsToStdErrEx(pTracker, fVerbose); +} + + +RTDECL(void) RTMemTrackerDumpStatsToFile(bool fVerbose, const char *pszFilename) +{ + PRTMEMTRACKERINT pTracker = g_pDefaultTracker; + if (RT_UNLIKELY(!pTracker)) + pTracker = rtMemTrackerLazyInitDefaultTracker(); + return rtMemTrackerDumpStatsToFileEx(pTracker, fVerbose, pszFilename); +} + |