/* $Id: VBoxDbgStatsQt4.cpp 46593 2013-06-17 14:32:51Z vboxsync $ */ /** @file * VBox Debugger GUI - Statistics. */ /* * Copyright (C) 2006-2012 Oracle Corporation * * This file is part of VirtualBox Open Source Edition (OSE), as * available from http://www.virtualbox.org. This file is free software; * you can redistribute it and/or modify it under the terms of the GNU * General Public License (GPL) as published by the Free Software * Foundation, in version 2 as it comes in the "COPYING" file of the * VirtualBox OSE distribution. VirtualBox OSE is distributed in the * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind. */ /******************************************************************************* * Header Files * *******************************************************************************/ #define LOG_GROUP LOG_GROUP_DBGG #include "VBoxDbgStatsQt4.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include /******************************************************************************* * Defined Constants And Macros * *******************************************************************************/ /** The number of column. */ #define DBGGUI_STATS_COLUMNS 9 /******************************************************************************* * Structures and Typedefs * *******************************************************************************/ /** * The state of a statistics sample node. * * This is used for two pass refresh (1. get data, 2. update the view) and * for saving the result of a diff. */ typedef enum DBGGUISTATSNODESTATE { /** The typical invalid zeroth entry. */ kDbgGuiStatsNodeState_kInvalid = 0, /** The node is the root node. */ kDbgGuiStatsNodeState_kRoot, /** The node is visible. */ kDbgGuiStatsNodeState_kVisible, /** The node should be refreshed. */ kDbgGuiStatsNodeState_kRefresh, /** diff: The node equals. */ kDbgGuiStatsNodeState_kDiffEqual, /** diff: The node in set 1 is less than the one in set 2. */ kDbgGuiStatsNodeState_kDiffSmaller, /** diff: The node in set 1 is greater than the one in set 2. */ kDbgGuiStatsNodeState_kDiffGreater, /** diff: The node is only in set 1. */ kDbgGuiStatsNodeState_kDiffOnlyIn1, /** diff: The node is only in set 2. */ kDbgGuiStatsNodeState_kDiffOnlyIn2, /** The end of the valid state values. */ kDbgGuiStatsNodeState_kEnd } DBGGUISTATENODESTATE; /** * A tree node representing a statistic sample. * * The nodes carry a reference to the parent and to its position among its * siblings. Both of these need updating when the grand parent or parent adds a * new child. This will hopefully not be too expensive but rather pay off when * we need to create a parent index. */ typedef struct DBGGUISTATSNODE { /** Pointer to the parent. */ PDBGGUISTATSNODE pParent; /** Array of pointers to the child nodes. */ PDBGGUISTATSNODE *papChildren; /** The number of children. */ uint32_t cChildren; /** Our index among the parent's children. */ uint32_t iSelf; /** The unit. */ STAMUNIT enmUnit; /** The data type. * For filler nodes not containing data, this will be set to STAMTYPE_INVALID. */ STAMTYPE enmType; /** The data at last update. */ union { /** STAMTYPE_COUNTER. */ STAMCOUNTER Counter; /** STAMTYPE_PROFILE. */ STAMPROFILE Profile; /** STAMTYPE_PROFILE_ADV. */ STAMPROFILEADV ProfileAdv; /** STAMTYPE_RATIO_U32. */ STAMRATIOU32 RatioU32; /** STAMTYPE_U8 & STAMTYPE_U8_RESET. */ uint8_t u8; /** STAMTYPE_U16 & STAMTYPE_U16_RESET. */ uint16_t u16; /** STAMTYPE_U32 & STAMTYPE_U32_RESET. */ uint32_t u32; /** STAMTYPE_U64 & STAMTYPE_U64_RESET. */ uint64_t u64; /** STAMTYPE_BOOL and STAMTYPE_BOOL_RESET. */ bool f; /** STAMTYPE_CALLBACK. */ QString *pStr; } Data; /** The delta. */ int64_t i64Delta; /** The name. */ char *pszName; /** The length of the name. */ size_t cchName; /** The description string. */ QString *pDescStr; /** The node state. */ DBGGUISTATENODESTATE enmState; } DBGGUISTATSNODE; /** * Recursion stack. */ typedef struct DBGGUISTATSSTACK { /** The top stack entry. */ int32_t iTop; /** The stack array. */ struct DBGGUISTATSSTACKENTRY { /** The node. */ PDBGGUISTATSNODE pNode; /** The current child. */ int32_t iChild; } a[32]; } DBGGUISTATSSTACK; /** * The item model for the statistics tree view. * * This manages the DBGGUISTATSNODE trees. */ class VBoxDbgStatsModel : public QAbstractItemModel { protected: /** The root of the sample tree. */ PDBGGUISTATSNODE m_pRoot; private: /** Next update child. This is UINT32_MAX when invalid. */ uint32_t m_iUpdateChild; /** Pointer to the node m_szUpdateParent represent and m_iUpdateChild refers to. */ PDBGGUISTATSNODE m_pUpdateParent; /** The length of the path. */ size_t m_cchUpdateParent; /** The path to the current update parent, including a trailing slash. */ char m_szUpdateParent[1024]; /** Inserted or/and removed nodes during the update. */ bool m_fUpdateInsertRemove; public: /** * Constructor. * * @param a_pParent The parent object. See QAbstractItemModel in the Qt * docs for details. */ VBoxDbgStatsModel(QObject *a_pParent); /** * Destructor. * * This will free all the data the model holds. */ virtual ~VBoxDbgStatsModel(); /** * Updates the data matching the specified pattern. * * This will should invoke updatePrep, updateCallback and updateDone. * * It is vitally important that updateCallback is fed the data in the right * order. The code make very definite ASSUMPTIONS about the ordering being * strictly sorted and taking the slash into account when doing so. * * @returns true if we reset the model and it's necessary to set the root index. * @param a_rPatStr The selection pattern. * * @remarks The default implementation is an empty stub. */ virtual bool updateStatsByPattern(const QString &a_rPatStr); /** * Similar to updateStatsByPattern, except that it only works on a sub-tree and * will not remove anything that's outside that tree. * * @param a_rIndex The sub-tree root. Invalid index means root. * * @todo Create a default implementation using updateStatsByPattern. */ virtual void updateStatsByIndex(QModelIndex const &a_rIndex); /** * Reset the stats matching the specified pattern. * * @param a_rPatStr The selection pattern. * * @remarks The default implementation is an empty stub. */ virtual void resetStatsByPattern(QString const &a_rPatStr); /** * Reset the stats of a sub-tree. * * @param a_rIndex The sub-tree root. Invalid index means root. * @param a_fSubTree Whether to reset the sub-tree as well. Default is true. * * @remarks The default implementation makes use of resetStatsByPattern */ virtual void resetStatsByIndex(QModelIndex const &a_rIndex, bool a_fSubTree = true); /** * Gets the model index of the root node. * * @returns root index. */ QModelIndex getRootIndex(void) const; protected: /** * Set the root node. * * This will free all the current data before taking the ownership of the new * root node and its children. * * @param a_pRoot The new root node. */ void setRootNode(PDBGGUISTATSNODE a_pRoot); /** Creates the root node. */ static PDBGGUISTATSNODE createRootNode(void); /** Creates and insert a node under the given parent. */ static PDBGGUISTATSNODE createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition); /** Creates and insert a node under the given parent with correct Qt * signalling. */ PDBGGUISTATSNODE createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition); /** * Resets the node to a pristine state. * * @param pNode The node. */ static void resetNode(PDBGGUISTATSNODE pNode); /** * Initializes a pristine node. */ static int initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, const char *pszDesc); /** * Updates (or reinitializes if you like) a node. */ static void updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, const char *pszDesc); /** * Called by updateStatsByPattern(), makes the necessary preparations. * * @returns Success indicator. */ bool updatePrepare(void); /** * Called by updateStatsByPattern(), finalizes the update. * * @return See updateStatsByPattern(). * * @param a_fSuccess Whether the update was successful or not. * */ bool updateDone(bool a_fSuccess); /** * updateCallback() worker taking care of in-tree inserts and removals. * * @returns The current node. * @param pszName The name of the tree element to update. */ PDBGGUISTATSNODE updateCallbackHandleOutOfOrder(const char *pszName); /** * updateCallback() worker taking care of tail insertions. * * @returns The current node. * @param pszName The name of the tree element to update. */ PDBGGUISTATSNODE updateCallbackHandleTail(const char *pszName); /** * updateCallback() worker that advances the update state to the next data node * in anticipation of the next updateCallback call. * * @returns The current node. * @param pNode The current node. */ void updateCallbackAdvance(PDBGGUISTATSNODE pNode); /** Callback used by updateStatsByPattern() and updateStatsByIndex() to feed * changes. * @copydoc FNSTAMR3ENUM */ static DECLCALLBACK(int) updateCallback(const char *pszName, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, STAMVISIBILITY enmVisibility, const char *pszDesc, void *pvUser); /** * Calculates the full path of a node. * * @returns Number of bytes returned, negative value on buffer overflow * * @param pNode The node. * @param psz The output buffer. * @param cch The size of the buffer. */ static ssize_t getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch); /** * Calculates the full path of a node, returning the string pointer. * * @returns @a psz. On failure, NULL. * * @param pNode The node. * @param psz The output buffer. * @param cch The size of the buffer. */ static char *getNodePath2(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch); /** * Check if the first node is an ancestor to the second one. * * @returns true/false. * @param pAncestor The first node, the alleged ancestor. * @param pDescendant The second node, the alleged descendant. */ static bool isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant); /** * Advance to the next node in the tree. * * @returns Pointer to the next node, NULL if we've reached the end or * was handed a NULL node. * @param pNode The current node. */ static PDBGGUISTATSNODE nextNode(PDBGGUISTATSNODE pNode); /** * Advance to the next node in the tree that contains data. * * @returns Pointer to the next data node, NULL if we've reached the end or * was handed a NULL node. * @param pNode The current node. */ static PDBGGUISTATSNODE nextDataNode(PDBGGUISTATSNODE pNode); /** * Advance to the previous node in the tree. * * @returns Pointer to the previous node, NULL if we've reached the end or * was handed a NULL node. * @param pNode The current node. */ static PDBGGUISTATSNODE prevNode(PDBGGUISTATSNODE pNode); /** * Advance to the previous node in the tree that contains data. * * @returns Pointer to the previous data node, NULL if we've reached the end or * was handed a NULL node. * @param pNode The current node. */ static PDBGGUISTATSNODE prevDataNode(PDBGGUISTATSNODE pNode); /** * Removes a node from the tree. * * @returns pNode. * @param pNode The node. */ static PDBGGUISTATSNODE removeNode(PDBGGUISTATSNODE pNode); /** * Removes a node from the tree and destroys it and all its descendants. * * @param pNode The node. */ static void removeAndDestroyNode(PDBGGUISTATSNODE pNode); /** Removes a node from the tree and destroys it and all its descendants * performing the required Qt signalling. */ void removeAndDestroy(PDBGGUISTATSNODE pNode); /** * Destroys a statistics tree. * * @param a_pRoot The root of the tree. NULL is fine. */ static void destroyTree(PDBGGUISTATSNODE a_pRoot); /** * Stringifies exactly one node, no children. * * This is for logging and clipboard. * * @param a_pNode The node. * @param a_rString The string to append the stringified node to. */ static void stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString); /** * Stringifies a node and its children. * * This is for logging and clipboard. * * @param a_pNode The node. * @param a_rString The string to append the stringified node to. */ static void stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString); public: /** * Converts the specified tree to string. * * This is for logging and clipboard. * * @param a_rRoot Where to start. Use QModelIndex() to start at the root. * @param a_rString Where to return to return the string dump. */ void stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const; /** * Dumps the given (sub-)tree as XML. * * @param a_rRoot Where to start. Use QModelIndex() to start at the root. * @param a_rString Where to return to return the XML dump. */ void xmlifyTree(QModelIndex &a_rRoot, QString &a_rString) const; /** * Puts the stringified tree on the clipboard. * * @param a_rRoot Where to start. Use QModelIndex() to start at the root. */ void copyTreeToClipboard(QModelIndex &a_rRoot) const; protected: /** Worker for logTree. */ static void logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog); public: /** Logs a (sub-)tree. * * @param a_rRoot Where to start. Use QModelIndex() to start at the root. * @param a_fReleaseLog Whether to use the release log (true) or the debug log (false). */ void logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const; protected: /** Gets the unit. */ static QString strUnit(PCDBGGUISTATSNODE pNode); /** Gets the value/times. */ static QString strValueTimes(PCDBGGUISTATSNODE pNode); /** Gets the minimum value. */ static QString strMinValue(PCDBGGUISTATSNODE pNode); /** Gets the average value. */ static QString strAvgValue(PCDBGGUISTATSNODE pNode); /** Gets the maximum value. */ static QString strMaxValue(PCDBGGUISTATSNODE pNode); /** Gets the total value. */ static QString strTotalValue(PCDBGGUISTATSNODE pNode); /** Gets the delta value. */ static QString strDeltaValue(PCDBGGUISTATSNODE pNode); /** * Destroys a node and all its children. * * @param a_pNode The node to destroy. */ static void destroyNode(PDBGGUISTATSNODE a_pNode); /** * Converts an index to a node pointer. * * @returns Pointer to the node, NULL if invalid reference. * @param a_rIndex Reference to the index */ inline PDBGGUISTATSNODE nodeFromIndex(const QModelIndex &a_rIndex) const { if (RT_LIKELY(a_rIndex.isValid())) return (PDBGGUISTATSNODE)a_rIndex.internalPointer(); return NULL; } public: /** @name Overridden QAbstractItemModel methods * @{ */ virtual int columnCount(const QModelIndex &a_rParent) const; virtual QVariant data(const QModelIndex &a_rIndex, int a_eRole) const; virtual Qt::ItemFlags flags(const QModelIndex &a_rIndex) const; virtual bool hasChildren(const QModelIndex &a_rParent) const; virtual QVariant headerData(int a_iSection, Qt::Orientation a_ePrientation, int a_eRole) const; virtual QModelIndex index(int a_iRow, int a_iColumn, const QModelIndex &a_rParent) const; virtual QModelIndex parent(const QModelIndex &a_rChild) const; virtual int rowCount(const QModelIndex &a_rParent) const; ///virtual void sort(int a_iColumn, Qt::SortOrder a_eOrder); /** @} */ }; /** * Model using the VM / STAM interface as data source. */ class VBoxDbgStatsModelVM : public VBoxDbgStatsModel, public VBoxDbgBase { public: /** * Constructor. * * @param a_pDbgGui Pointer to the debugger gui object. * @param a_rPatStr The selection pattern. * @param a_pParent The parent object. NULL is fine. */ VBoxDbgStatsModelVM(VBoxDbgGui *a_pDbgGui, QString &a_rPatStr, QObject *a_pParent); /** Destructor */ virtual ~VBoxDbgStatsModelVM(); virtual bool updateStatsByPattern(const QString &a_rPatStr); virtual void resetStatsByPattern(const QString &a_rPatStr); protected: /** * Enumeration callback used by createNewTree. */ static DECLCALLBACK(int) createNewTreeCallback(const char *pszName, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, STAMVISIBILITY enmVisibility, const char *pszDesc, void *pvUser); /** * Constructs a new statistics tree by query data from the VM. * * @returns Pointer to the root of the tree we've constructed. This will be NULL * if the STAM API throws an error or we run out of memory. * @param a_rPatStr The selection pattern. */ PDBGGUISTATSNODE createNewTree(QString &a_rPatStr); }; /******************************************************************************* * Internal Functions * *******************************************************************************/ /** * Formats a number into a 64-byte buffer. */ static char *formatNumber(char *psz, uint64_t u64) { static const char s_szDigits[] = "0123456789"; psz += 63; *psz-- = '\0'; unsigned cDigits = 0; for (;;) { const unsigned iDigit = u64 % 10; u64 /= 10; *psz = s_szDigits[iDigit]; if (!u64) break; psz--; if (!(++cDigits % 3)) *psz-- = ','; } return psz; } /** * Formats a number into a 64-byte buffer. * (18 446 744 073 709 551 615) */ static char *formatNumberSigned(char *psz, int64_t i64) { static const char s_szDigits[] = "0123456789"; psz += 63; *psz-- = '\0'; const bool fNegative = i64 < 0; uint64_t u64 = fNegative ? -i64 : i64; unsigned cDigits = 0; for (;;) { const unsigned iDigit = u64 % 10; u64 /= 10; *psz = s_szDigits[iDigit]; if (!u64) break; psz--; if (!(++cDigits % 3)) *psz-- = ','; } if (fNegative) *--psz = '-'; return psz; } /** * Formats a unsigned hexadecimal number into a into a 64-byte buffer. */ static char *formatHexNumber(char *psz, uint64_t u64, unsigned cZeros) { static const char s_szDigits[] = "0123456789abcdef"; psz += 63; *psz-- = '\0'; unsigned cDigits = 0; for (;;) { const unsigned iDigit = u64 % 16; u64 /= 16; *psz = s_szDigits[iDigit]; ++cDigits; if (!u64 && cDigits >= cZeros) break; psz--; if (!(cDigits % 8)) *psz-- = '\''; } return psz; } #if 0/* unused */ /** * Formats a sort key number. */ static void formatSortKey(char *psz, uint64_t u64) { static const char s_szDigits[] = "0123456789abcdef"; /* signed */ *psz++ = '+'; /* 16 hex digits */ psz[16] = '\0'; unsigned i = 16; while (i-- > 0) { if (u64) { const unsigned iDigit = u64 % 16; u64 /= 16; psz[i] = s_szDigits[iDigit]; } else psz[i] = '0'; } } #endif #if 0/* unused */ /** * Formats a sort key number. */ static void formatSortKeySigned(char *psz, int64_t i64) { static const char s_szDigits[] = "0123456789abcdef"; /* signed */ uint64_t u64; if (i64 >= 0) { *psz++ = '+'; u64 = i64; } else { *psz++ = '-'; u64 = -i64; } /* 16 hex digits */ psz[16] = '\0'; unsigned i = 16; while (i-- > 0) { if (u64) { const unsigned iDigit = u64 % 16; u64 /= 16; psz[i] = s_szDigits[iDigit]; } else psz[i] = '0'; } } #endif /* * * V B o x D b g S t a t s M o d e l * V B o x D b g S t a t s M o d e l * V B o x D b g S t a t s M o d e l * * */ VBoxDbgStatsModel::VBoxDbgStatsModel(QObject *a_pParent) : QAbstractItemModel(a_pParent), m_pRoot(NULL), m_iUpdateChild(UINT32_MAX), m_pUpdateParent(NULL), m_cchUpdateParent(0) { } VBoxDbgStatsModel::~VBoxDbgStatsModel() { destroyTree(m_pRoot); m_pRoot = NULL; } /*static*/ void VBoxDbgStatsModel::destroyTree(PDBGGUISTATSNODE a_pRoot) { if (!a_pRoot) return; Assert(!a_pRoot->pParent); Assert(!a_pRoot->iSelf); destroyNode(a_pRoot); } /* static*/ void VBoxDbgStatsModel::destroyNode(PDBGGUISTATSNODE a_pNode) { /* destroy all our children */ uint32_t i = a_pNode->cChildren; while (i-- > 0) { destroyNode(a_pNode->papChildren[i]); a_pNode->papChildren[i] = NULL; } /* free the resources we're using */ a_pNode->pParent = NULL; RTMemFree(a_pNode->papChildren); a_pNode->papChildren = NULL; if (a_pNode->enmType == STAMTYPE_CALLBACK) { delete a_pNode->Data.pStr; a_pNode->Data.pStr = NULL; } a_pNode->cChildren = 0; a_pNode->iSelf = UINT32_MAX; a_pNode->enmUnit = STAMUNIT_INVALID; a_pNode->enmType = STAMTYPE_INVALID; RTMemFree(a_pNode->pszName); a_pNode->pszName = NULL; if (a_pNode->pDescStr) { delete a_pNode->pDescStr; a_pNode->pDescStr = NULL; } #ifdef VBOX_STRICT /* poison it. */ a_pNode->pParent++; a_pNode->Data.pStr++; a_pNode->pDescStr++; a_pNode->papChildren++; a_pNode->cChildren = 8442; #endif /* Finally ourselves */ a_pNode->enmState = kDbgGuiStatsNodeState_kInvalid; RTMemFree(a_pNode); } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::createRootNode(void) { PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE)); if (!pRoot) return NULL; pRoot->iSelf = 0; pRoot->enmType = STAMTYPE_INVALID; pRoot->enmUnit = STAMUNIT_INVALID; pRoot->pszName = (char *)RTMemDup("/", sizeof("/")); pRoot->cchName = 1; pRoot->enmState = kDbgGuiStatsNodeState_kRoot; return pRoot; } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition) { /* * Create it. */ PDBGGUISTATSNODE pNode = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE)); if (!pNode) return NULL; pNode->iSelf = UINT32_MAX; pNode->enmType = STAMTYPE_INVALID; pNode->enmUnit = STAMUNIT_INVALID; pNode->pszName = (char *)RTMemDupEx(pszName, cchName, 1); pNode->cchName = cchName; pNode->enmState = kDbgGuiStatsNodeState_kVisible; /* * Do we need to expand the array? */ if (!(pParent->cChildren & 31)) { void *pvNew = RTMemRealloc(pParent->papChildren, sizeof(*pParent->papChildren) * (pParent->cChildren + 32)); if (!pvNew) { destroyNode(pNode); return NULL; } pParent->papChildren = (PDBGGUISTATSNODE *)pvNew; } /* * Insert it. */ pNode->pParent = pParent; if (iPosition >= pParent->cChildren) /* Last. */ iPosition = pParent->cChildren; else { /* Shift all the items after ours. */ uint32_t iShift = pParent->cChildren; while (iShift-- > iPosition) { PDBGGUISTATSNODE pChild = pParent->papChildren[iShift]; pParent->papChildren[iShift + 1] = pChild; pChild->iSelf = iShift + 1; } } /* Insert ours */ pNode->iSelf = iPosition; pParent->papChildren[iPosition] = pNode; pParent->cChildren++; return pNode; } PDBGGUISTATSNODE VBoxDbgStatsModel::createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition) { PDBGGUISTATSNODE pNode; if (m_fUpdateInsertRemove) pNode = createAndInsertNode(pParent, pszName, cchName, iPosition); else { beginInsertRows(createIndex(pParent->iSelf, 0, pParent), 0, 0); pNode = createAndInsertNode(pParent, pszName, cchName, iPosition); endInsertRows(); } return pNode; } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::removeNode(PDBGGUISTATSNODE pNode) { PDBGGUISTATSNODE pParent = pNode->pParent; if (pParent) { uint32_t iPosition = pNode->iSelf; Assert(pParent->papChildren[iPosition] == pNode); uint32_t const cChildren = --pParent->cChildren; for (; iPosition < cChildren; iPosition++) { PDBGGUISTATSNODE pChild = pParent->papChildren[iPosition + 1]; pParent->papChildren[iPosition] = pChild; pChild->iSelf = iPosition; } #ifdef VBOX_STRICT /* poison */ pParent->papChildren[iPosition] = (PDBGGUISTATSNODE)0x42; #endif } return pNode; } /*static*/ void VBoxDbgStatsModel::removeAndDestroyNode(PDBGGUISTATSNODE pNode) { removeNode(pNode); destroyNode(pNode); } void VBoxDbgStatsModel::removeAndDestroy(PDBGGUISTATSNODE pNode) { if (m_fUpdateInsertRemove) removeAndDestroyNode(pNode); else { /* * Removing is fun since the docs are imprecise as to how persistent * indexes are updated (or aren't). So, let try a few different ideas * and see which works. */ #if 1 /* destroy the children first with the appropriate begin/endRemoveRows signals. */ DBGGUISTATSSTACK Stack; Stack.a[0].pNode = pNode; Stack.a[0].iChild = -1; Stack.iTop = 0; while (Stack.iTop >= 0) { /* get top element */ PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode; uint32_t iChild = ++Stack.a[Stack.iTop].iChild; if (iChild < pNode->cChildren) { /* push */ Stack.iTop++; Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a)); Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild]; Stack.a[Stack.iTop].iChild = 0; } else { /* pop and destroy all the children. */ Stack.iTop--; uint32_t i = pNode->cChildren; if (i) { beginRemoveRows(createIndex(pNode->iSelf, 0, pNode), 0, i - 1); while (i-- > 0) destroyNode(pNode->papChildren[i]); pNode->cChildren = 0; endRemoveRows(); } } } Assert(!pNode->cChildren); /* finally the node it self. */ PDBGGUISTATSNODE pParent = pNode->pParent; beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf); removeAndDestroyNode(pNode); endRemoveRows(); #elif 0 /* This ain't working, leaves invalid indexes behind. */ PDBGGUISTATSNODE pParent = pNode->pParent; beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf); removeAndDestroyNode(pNode); endRemoveRows(); #else /* Force reset() of the model after the update. */ m_fUpdateInsertRemove = true; removeAndDestroyNode(pNode); #endif } } /*static*/ void VBoxDbgStatsModel::resetNode(PDBGGUISTATSNODE pNode) { /* free and reinit the data. */ if (pNode->enmType == STAMTYPE_CALLBACK) { delete pNode->Data.pStr; pNode->Data.pStr = NULL; } pNode->enmType = STAMTYPE_INVALID; /* free the description. */ if (pNode->pDescStr) { delete pNode->pDescStr; pNode->pDescStr = NULL; } } /*static*/ int VBoxDbgStatsModel::initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, const char *pszDesc) { /* * Copy the data. */ pNode->enmUnit = enmUnit; Assert(pNode->enmType == STAMTYPE_INVALID); pNode->enmType = enmType; if (pszDesc) pNode->pDescStr = new QString(pszDesc); /* ignore allocation failure (well, at least up to the point we can ignore it) */ switch (enmType) { case STAMTYPE_COUNTER: pNode->Data.Counter = *(PSTAMCOUNTER)pvSample; break; case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: pNode->Data.Profile = *(PSTAMPROFILE)pvSample; break; case STAMTYPE_RATIO_U32: case STAMTYPE_RATIO_U32_RESET: pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample; break; case STAMTYPE_CALLBACK: { const char *pszString = (const char *)pvSample; pNode->Data.pStr = new QString(pszString); break; } case STAMTYPE_U8: case STAMTYPE_U8_RESET: case STAMTYPE_X8: case STAMTYPE_X8_RESET: pNode->Data.u8 = *(uint8_t *)pvSample; break; case STAMTYPE_U16: case STAMTYPE_U16_RESET: case STAMTYPE_X16: case STAMTYPE_X16_RESET: pNode->Data.u16 = *(uint16_t *)pvSample; break; case STAMTYPE_U32: case STAMTYPE_U32_RESET: case STAMTYPE_X32: case STAMTYPE_X32_RESET: pNode->Data.u32 = *(uint32_t *)pvSample; break; case STAMTYPE_U64: case STAMTYPE_U64_RESET: case STAMTYPE_X64: case STAMTYPE_X64_RESET: pNode->Data.u64 = *(uint64_t *)pvSample; break; case STAMTYPE_BOOL: case STAMTYPE_BOOL_RESET: pNode->Data.f = *(bool *)pvSample; break; default: AssertMsgFailed(("%d\n", enmType)); break; } return VINF_SUCCESS; } /*static*/ void VBoxDbgStatsModel::updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, const char *pszDesc) { /* * Reset and init the node if the type changed. */ if (enmType != pNode->enmType) { if (pNode->enmType != STAMTYPE_INVALID) resetNode(pNode); initNode(pNode, enmType, pvSample, enmUnit, pszDesc); pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } else { /* * ASSUME that only the sample value will change and that the unit, visibility * and description remains the same. */ int64_t iDelta; switch (enmType) { case STAMTYPE_COUNTER: { uint64_t cPrev = pNode->Data.Counter.c; pNode->Data.Counter = *(PSTAMCOUNTER)pvSample; iDelta = pNode->Data.Counter.c - cPrev; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: { uint64_t cPrevPeriods = pNode->Data.Profile.cPeriods; pNode->Data.Profile = *(PSTAMPROFILE)pvSample; iDelta = pNode->Data.Profile.cPeriods - cPrevPeriods; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_RATIO_U32: case STAMTYPE_RATIO_U32_RESET: { STAMRATIOU32 Prev = pNode->Data.RatioU32; pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample; int32_t iDeltaA = pNode->Data.RatioU32.u32A - Prev.u32A; int32_t iDeltaB = pNode->Data.RatioU32.u32B - Prev.u32B; if (iDeltaA == 0 && iDeltaB == 0) { if (pNode->i64Delta) { pNode->i64Delta = 0; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } } else { if (iDeltaA >= 0) pNode->i64Delta = iDeltaA + (iDeltaB >= 0 ? iDeltaB : -iDeltaB); else pNode->i64Delta = iDeltaA + (iDeltaB < 0 ? iDeltaB : -iDeltaB); pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_CALLBACK: { const char *pszString = (const char *)pvSample; if (!pNode->Data.pStr) { pNode->Data.pStr = new QString(pszString); pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } else if (*pNode->Data.pStr == pszString) { delete pNode->Data.pStr; pNode->Data.pStr = new QString(pszString); pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_U8: case STAMTYPE_U8_RESET: case STAMTYPE_X8: case STAMTYPE_X8_RESET: { uint8_t uPrev = pNode->Data.u8; pNode->Data.u8 = *(uint8_t *)pvSample; iDelta = (int32_t)pNode->Data.u8 - (int32_t)uPrev; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_U16: case STAMTYPE_U16_RESET: case STAMTYPE_X16: case STAMTYPE_X16_RESET: { uint16_t uPrev = pNode->Data.u16; pNode->Data.u16 = *(uint16_t *)pvSample; iDelta = (int32_t)pNode->Data.u16 - (int32_t)uPrev; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_U32: case STAMTYPE_U32_RESET: case STAMTYPE_X32: case STAMTYPE_X32_RESET: { uint32_t uPrev = pNode->Data.u32; pNode->Data.u32 = *(uint32_t *)pvSample; iDelta = (int64_t)pNode->Data.u32 - (int64_t)uPrev; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_U64: case STAMTYPE_U64_RESET: case STAMTYPE_X64: case STAMTYPE_X64_RESET: { uint64_t uPrev = pNode->Data.u64; pNode->Data.u64 = *(uint64_t *)pvSample; iDelta = pNode->Data.u64 - uPrev; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } case STAMTYPE_BOOL: case STAMTYPE_BOOL_RESET: { bool fPrev = pNode->Data.f; pNode->Data.f = *(bool *)pvSample; iDelta = pNode->Data.f - fPrev; if (iDelta || pNode->i64Delta) { pNode->i64Delta = iDelta; pNode->enmState = kDbgGuiStatsNodeState_kRefresh; } break; } default: AssertMsgFailed(("%d\n", enmType)); break; } } } /*static*/ ssize_t VBoxDbgStatsModel::getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch) { ssize_t off; if (!pNode->pParent) { /* root - don't add it's slash! */ AssertReturn(cch >= 1, -1); off = 0; *psz = '\0'; } else { cch -= pNode->cchName + 1; AssertReturn(cch > 0, -1); off = getNodePath(pNode->pParent, psz, cch); if (off >= 0) { psz[off++] = '/'; memcpy(&psz[off], pNode->pszName, pNode->cchName + 1); off += pNode->cchName; } } return off; } /*static*/ char * VBoxDbgStatsModel::getNodePath2(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch) { if (VBoxDbgStatsModel::getNodePath(pNode, psz, cch) < 0) return NULL; return psz; } /*static*/ bool VBoxDbgStatsModel::isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant) { while (pDescendant) { pDescendant = pDescendant->pParent; if (pDescendant == pAncestor) return true; } return false; } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::nextNode(PDBGGUISTATSNODE pNode) { if (!pNode) return NULL; /* descend to children. */ if (pNode->cChildren) return pNode->papChildren[0]; PDBGGUISTATSNODE pParent = pNode->pParent; if (!pParent) return NULL; /* next sibling. */ if (pNode->iSelf + 1 < pNode->pParent->cChildren) return pParent->papChildren[pNode->iSelf + 1]; /* ascend and advanced to a parent's sibiling. */ for (;;) { uint32_t iSelf = pParent->iSelf; pParent = pParent->pParent; if (!pParent) return NULL; if (iSelf + 1 < pParent->cChildren) return pParent->papChildren[iSelf + 1]; } } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::nextDataNode(PDBGGUISTATSNODE pNode) { do pNode = nextNode(pNode); while ( pNode && pNode->enmType == STAMTYPE_INVALID); return pNode; } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::prevNode(PDBGGUISTATSNODE pNode) { if (!pNode) return NULL; PDBGGUISTATSNODE pParent = pNode->pParent; if (!pParent) return NULL; /* previous sibling's latest descendant (better expression anyone?). */ if (pNode->iSelf > 0) { pNode = pParent->papChildren[pNode->iSelf - 1]; while (pNode->cChildren) pNode = pNode->papChildren[pNode->cChildren - 1]; return pNode; } /* ascend to the parent. */ return pParent; } /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::prevDataNode(PDBGGUISTATSNODE pNode) { do pNode = prevNode(pNode); while ( pNode && pNode->enmType == STAMTYPE_INVALID); return pNode; } #if 0 /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::createNewTree(IMachineDebugger *a_pIMachineDebugger) { /** @todo */ return NULL; } #endif #if 0 /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::createNewTree(const char *pszFilename) { /** @todo */ return NULL; } #endif #if 0 /*static*/ PDBGGUISTATSNODE VBoxDbgStatsModel::createDiffTree(PDBGGUISTATSNODE pTree1, PDBGGUISTATSNODE pTree2) { /** @todo */ return NULL; } #endif PDBGGUISTATSNODE VBoxDbgStatsModel::updateCallbackHandleOutOfOrder(const char *pszName) { #if defined(VBOX_STRICT) || defined(LOG_ENABLED) char szStrict[1024]; #endif /* * We might be inserting a new node between pPrev and pNode * or we might be removing one or more nodes. Either case is * handled in the same rough way. * * Might consider optimizing insertion at some later point since this * is a normal occurrence (dynamic statistics in PATM, IOM, MM, ++). */ Assert(pszName[0] == '/'); Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/'); /* * Start with the current parent node and look for a common ancestor * hoping that this is faster than going from the root (saves lookup). */ PDBGGUISTATSNODE pNode = m_pUpdateParent->papChildren[m_iUpdateChild]; PDBGGUISTATSNODE const pPrev = prevDataNode(pNode); AssertMsg(strcmp(pszName, getNodePath2(pNode, szStrict, sizeof(szStrict))), ("%s\n", szStrict)); AssertMsg(strcmp(pszName, getNodePath2(pPrev, szStrict, sizeof(szStrict))), ("%s\n", szStrict)); Log(("updateCallbackHandleOutOfOrder: pszName='%s' m_szUpdateParent='%s' m_cchUpdateParent=%u pNode='%s'\n", pszName, m_szUpdateParent, m_cchUpdateParent, getNodePath2(pNode, szStrict, sizeof(szStrict)))); pNode = pNode->pParent; while (pNode != m_pRoot) { if (!strncmp(pszName, m_szUpdateParent, m_cchUpdateParent)) break; Assert(m_cchUpdateParent > pNode->cchName); m_cchUpdateParent -= pNode->cchName + 1; m_szUpdateParent[m_cchUpdateParent] = '\0'; Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u, removed '/%s' (%u)\n", m_szUpdateParent, m_cchUpdateParent, pNode->pszName, __LINE__)); pNode = pNode->pParent; } Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/'); /* * Descend until we've found/created the node pszName indicates, * modifying m_szUpdateParent as we go along. */ while (pszName[m_cchUpdateParent - 1] == '/') { /* Find the end of this component. */ const char * const pszSubName = &pszName[m_cchUpdateParent]; const char *pszEnd = strchr(pszSubName, '/'); if (!pszEnd) pszEnd = strchr(pszSubName, '\0'); size_t cchSubName = pszEnd - pszSubName; /* Add the name to the path. */ memcpy(&m_szUpdateParent[m_cchUpdateParent], pszSubName, cchSubName); m_cchUpdateParent += cchSubName; m_szUpdateParent[m_cchUpdateParent++] = '/'; m_szUpdateParent[m_cchUpdateParent] = '\0'; Assert(m_cchUpdateParent < sizeof(m_szUpdateParent)); Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u (%u)\n", m_szUpdateParent, m_cchUpdateParent, __LINE__)); if (!pNode->cChildren) { /* first child */ pNode = createAndInsert(pNode, pszSubName, cchSubName, 0); AssertReturn(pNode, NULL); } else { /* binary search. */ int32_t iStart = 0; int32_t iLast = pNode->cChildren - 1; for (;;) { int32_t i = iStart + (iLast + 1 - iStart) / 2; int iDiff; size_t const cchCompare = RT_MIN(pNode->papChildren[i]->cchName, cchSubName); iDiff = memcmp(pszSubName, pNode->papChildren[i]->pszName, cchCompare); if (!iDiff) iDiff = cchSubName == cchCompare ? 0 : cchSubName > cchCompare ? 1 : -1; if (iDiff > 0) { iStart = i + 1; if (iStart > iLast) { pNode = createAndInsert(pNode, pszSubName, cchSubName, iStart); AssertReturn(pNode, NULL); break; } } else if (iDiff < 0) { iLast = i - 1; if (iLast < iStart) { pNode = createAndInsert(pNode, pszSubName, cchSubName, i); AssertReturn(pNode, NULL); break; } } else { pNode = pNode->papChildren[i]; break; } } } } Assert( !memcmp(pszName, m_szUpdateParent, m_cchUpdateParent - 2) && pszName[m_cchUpdateParent - 1] == '\0'); /* * Remove all the nodes between pNode and pPrev but keep all * of pNode's ancestors (or it'll get orphaned). */ PDBGGUISTATSNODE pCur = prevNode(pNode); while (pCur != pPrev) { PDBGGUISTATSNODE pAdv = prevNode(pCur); Assert(pAdv || !pPrev); if (!isNodeAncestorOf(pCur, pNode)) { Assert(pCur != m_pRoot); removeAndDestroy(pCur); } pCur = pAdv; } /* * Remove the data from all ancestors of pNode that it doesn't * share them pPrev. */ if (pPrev) { pCur = pNode->pParent; while (!isNodeAncestorOf(pCur, pPrev)) { resetNode(pNode); pCur = pCur->pParent; } } /* * Finally, adjust the globals (szUpdateParent is one level too deep). */ Assert(m_cchUpdateParent > pNode->cchName + 1); m_cchUpdateParent -= pNode->cchName + 1; m_szUpdateParent[m_cchUpdateParent] = '\0'; m_pUpdateParent = pNode->pParent; m_iUpdateChild = pNode->iSelf; Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u (%u)\n", m_szUpdateParent, m_cchUpdateParent, __LINE__)); return pNode; } PDBGGUISTATSNODE VBoxDbgStatsModel::updateCallbackHandleTail(const char *pszName) { /* * Insert it at the end of the tree. * * Do the same as we're doing down in createNewTreeCallback, walk from the * root and create whatever we need. */ AssertReturn(*pszName == '/' && pszName[1] != '/', NULL); PDBGGUISTATSNODE pNode = m_pRoot; const char *pszCur = pszName + 1; while (*pszCur) { /* Find the end of this component. */ const char *pszNext = strchr(pszCur, '/'); if (!pszNext) pszNext = strchr(pszCur, '\0'); size_t cchCur = pszNext - pszCur; /* Create it if it doesn't exist (it will be last if it exists). */ if ( !pNode->cChildren || strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur) || pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur]) { pNode = createAndInsert(pNode, pszCur, pszNext - pszCur, pNode->cChildren); AssertReturn(pNode, NULL); } else pNode = pNode->papChildren[pNode->cChildren - 1]; /* Advance */ pszCur = *pszNext ? pszNext + 1 : pszNext; } return pNode; } void VBoxDbgStatsModel::updateCallbackAdvance(PDBGGUISTATSNODE pNode) { /* * Advance to the next node with data. * * ASSUMES a leaf *must* have data and again we're ASSUMING the sorting * on slash separated sub-strings. */ if (m_iUpdateChild != UINT32_MAX) { #ifdef VBOX_STRICT PDBGGUISTATSNODE const pCorrectNext = nextDataNode(pNode); #endif PDBGGUISTATSNODE pParent = pNode->pParent; if (pNode->cChildren) { /* descend to the first child. */ Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent)); memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName); m_cchUpdateParent += pNode->cchName; m_szUpdateParent[m_cchUpdateParent++] = '/'; m_szUpdateParent[m_cchUpdateParent] = '\0'; pNode = pNode->papChildren[0]; } else if (pNode->iSelf + 1 < pParent->cChildren) { /* next sibling or one if its descendants. */ Assert(m_pUpdateParent == pParent); pNode = pParent->papChildren[pNode->iSelf + 1]; } else { /* move up and down- / on-wards */ for (;;) { /* ascend */ pNode = pParent; pParent = pParent->pParent; if (!pParent) { Assert(pNode == m_pRoot); m_iUpdateChild = UINT32_MAX; m_szUpdateParent[0] = '\0'; m_cchUpdateParent = 0; m_pUpdateParent = NULL; break; } Assert(m_cchUpdateParent > pNode->cchName + 1); m_cchUpdateParent -= pNode->cchName + 1; /* try advance */ if (pNode->iSelf + 1 < pParent->cChildren) { pNode = pParent->papChildren[pNode->iSelf + 1]; m_szUpdateParent[m_cchUpdateParent] = '\0'; break; } } } /* descend to a node containing data and finalize the globals. (ASSUMES leaf has data.) */ if (m_iUpdateChild != UINT32_MAX) { while ( pNode->enmType == STAMTYPE_INVALID && pNode->cChildren > 0) { Assert(pNode->enmState == kDbgGuiStatsNodeState_kVisible); Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent)); memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName); m_cchUpdateParent += pNode->cchName; m_szUpdateParent[m_cchUpdateParent++] = '/'; m_szUpdateParent[m_cchUpdateParent] = '\0'; pNode = pNode->papChildren[0]; } Assert(pNode->enmType != STAMTYPE_INVALID); m_iUpdateChild = pNode->iSelf; m_pUpdateParent = pNode->pParent; Assert(pNode == pCorrectNext); } } /* else: we're at the end */ } /*static*/ DECLCALLBACK(int) VBoxDbgStatsModel::updateCallback(const char *pszName, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, STAMVISIBILITY enmVisibility, const char *pszDesc, void *pvUser) { VBoxDbgStatsModelVM *pThis = (VBoxDbgStatsModelVM *)pvUser; Log3(("updateCallback: %s\n", pszName)); /* * Skip the ones which shouldn't be visible in the GUI. */ if (enmVisibility == STAMVISIBILITY_NOT_GUI) return 0; /* * The default assumption is that nothing has changed. * For now we'll reset the model when ever something changes. */ PDBGGUISTATSNODE pNode; if (pThis->m_iUpdateChild != UINT32_MAX) { pNode = pThis->m_pUpdateParent->papChildren[pThis->m_iUpdateChild]; if ( !strncmp(pszName, pThis->m_szUpdateParent, pThis->m_cchUpdateParent) && !strcmp(pszName + pThis->m_cchUpdateParent, pNode->pszName)) /* got it! */; else { /* insert/remove */ pNode = pThis->updateCallbackHandleOutOfOrder(pszName); if (!pNode) return VERR_NO_MEMORY; } } else { /* append */ pNode = pThis->updateCallbackHandleTail(pszName); if (!pNode) return VERR_NO_MEMORY; } /* * Perform the update and advance to the next one. */ updateNode(pNode, enmType, pvSample, enmUnit, pszDesc); pThis->updateCallbackAdvance(pNode); return VINF_SUCCESS; } bool VBoxDbgStatsModel::updatePrepare(void) { /* * Find the first child with data and set it up as the 'next' * node to be updated. */ Assert(m_pRoot); Assert(m_pRoot->enmType == STAMTYPE_INVALID); PDBGGUISTATSNODE pFirst = nextDataNode(m_pRoot); if (pFirst) { m_iUpdateChild = pFirst->iSelf; m_pUpdateParent = pFirst->pParent; Assert(m_pUpdateParent); m_cchUpdateParent = getNodePath(m_pUpdateParent, m_szUpdateParent, sizeof(m_szUpdateParent) - 1); AssertReturn(m_cchUpdateParent >= 1, false); m_szUpdateParent[m_cchUpdateParent++] = '/'; m_szUpdateParent[m_cchUpdateParent] = '\0'; } else { m_iUpdateChild = UINT32_MAX; m_pUpdateParent = NULL; m_szUpdateParent[0] = '\0'; m_cchUpdateParent = 0; } /* * Set the flag and signal possible layout change. */ m_fUpdateInsertRemove = false; /* emit layoutAboutToBeChanged(); - debug this, it gets stuck... */ return true; } bool VBoxDbgStatsModel::updateDone(bool a_fSuccess) { /* * Remove any nodes following the last in the update (unless the update failed). */ if ( a_fSuccess && m_iUpdateChild != UINT32_MAX) { PDBGGUISTATSNODE const pLast = prevDataNode(m_pUpdateParent->papChildren[m_iUpdateChild]); if (!pLast) { /* nuking the whole tree. */ setRootNode(createRootNode()); m_fUpdateInsertRemove = true; } else { PDBGGUISTATSNODE pNode; while ((pNode = nextNode(pLast))) { Assert(pNode != m_pRoot); removeAndDestroy(pNode); } } } /* * We're done making layout changes (if I understood it correctly), so, * signal this and then see what to do next. If we did too many removals * we'll just reset the whole shebang. */ if (m_fUpdateInsertRemove) { /* emit layoutChanged(); - hrmpf, doesn't work reliably... */ reset(); } else { /* * Send dataChanged events. * * We do this here instead of from the updateCallback because it reduces * the clutter in that method and allow us to emit bulk signals in an * easier way because we can traverse the tree in a different fashion. */ DBGGUISTATSSTACK Stack; Stack.a[0].pNode = m_pRoot; Stack.a[0].iChild = -1; Stack.iTop = 0; while (Stack.iTop >= 0) { /* get top element */ PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode; uint32_t iChild = ++Stack.a[Stack.iTop].iChild; if (iChild < pNode->cChildren) { /* push */ Stack.iTop++; Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a)); Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild]; Stack.a[Stack.iTop].iChild = 0; } else { /* pop */ Stack.iTop--; /* do the actual work. */ iChild = 0; while (iChild < pNode->cChildren) { /* skip to the first needing updating. */ while ( iChild < pNode->cChildren && pNode->papChildren[iChild]->enmState != kDbgGuiStatsNodeState_kRefresh) iChild++; if (iChild >= pNode->cChildren) break; QModelIndex TopLeft = createIndex(iChild, 0, pNode->papChildren[iChild]); pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible; /* any subsequent nodes that also needs refreshing? */ if ( ++iChild < pNode->cChildren && pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh) { do pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible; while ( ++iChild < pNode->cChildren && pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh); QModelIndex BottomRight = createIndex(iChild - 1, DBGGUI_STATS_COLUMNS - 1, pNode->papChildren[iChild - 1]); /* emit the refresh signal */ emit dataChanged(TopLeft, BottomRight); } else { /* emit the refresh signal */ emit dataChanged(TopLeft, TopLeft); } } } } /* emit layoutChanged(); - hrmpf, doesn't work reliably... */ } return m_fUpdateInsertRemove; } bool VBoxDbgStatsModel::updateStatsByPattern(const QString &a_rPatStr) { /* stub */ NOREF(a_rPatStr); return false; } void VBoxDbgStatsModel::updateStatsByIndex(QModelIndex const &a_rIndex) { /** @todo implement this based on updateStatsByPattern. */ NOREF(a_rIndex); } void VBoxDbgStatsModel::resetStatsByPattern(QString const &a_rPatStr) { /* stub */ NOREF(a_rPatStr); } void VBoxDbgStatsModel::resetStatsByIndex(QModelIndex const &a_rIndex, bool fSubTree /*= true*/) { PCDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex); if (pNode == m_pRoot || !a_rIndex.isValid()) { if (fSubTree) { /* everything from the root down. */ resetStatsByPattern(QString()); } } else if (pNode) { /* the node pattern. */ char szPat[1024+1024+4]; ssize_t cch = getNodePath(pNode, szPat, 1024); AssertReturnVoid(cch >= 0); /* the sub-tree pattern. */ if (fSubTree && pNode->cChildren) { char *psz = &szPat[cch]; *psz++ = '|'; memcpy(psz, szPat, cch); psz += cch; *psz++ = '/'; *psz++ = '*'; *psz++ = '\0'; } resetStatsByPattern(szPat); } } QModelIndex VBoxDbgStatsModel::getRootIndex(void) const { if (!m_pRoot) return QModelIndex(); return createIndex(0, 0, m_pRoot); } void VBoxDbgStatsModel::setRootNode(PDBGGUISTATSNODE a_pRoot) { PDBGGUISTATSNODE pOldTree = m_pRoot; m_pRoot = a_pRoot; destroyTree(pOldTree); reset(); } Qt::ItemFlags VBoxDbgStatsModel::flags(const QModelIndex &a_rIndex) const { Qt::ItemFlags fFlags = QAbstractItemModel::flags(a_rIndex); return fFlags; } int VBoxDbgStatsModel::columnCount(const QModelIndex &a_rParent) const { NOREF(a_rParent); return DBGGUI_STATS_COLUMNS; } int VBoxDbgStatsModel::rowCount(const QModelIndex &a_rParent) const { PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent); return pParent ? pParent->cChildren : 1 /* root */; } bool VBoxDbgStatsModel::hasChildren(const QModelIndex &a_rParent) const { PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent); return pParent ? pParent->cChildren > 0 : true /* root */; } QModelIndex VBoxDbgStatsModel::index(int iRow, int iColumn, const QModelIndex &a_rParent) const { PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent); if (!pParent) { if ( a_rParent.isValid() || iRow || (unsigned)iColumn < DBGGUI_STATS_COLUMNS) { Assert(!a_rParent.isValid()); Assert(!iRow); Assert((unsigned)iColumn < DBGGUI_STATS_COLUMNS); return QModelIndex(); } /* root */ return createIndex(0, iColumn, m_pRoot); } if ((unsigned)iRow >= pParent->cChildren) { Log(("index: iRow=%d >= cChildren=%u (iColumn=%d)\n", iRow, (unsigned)pParent->cChildren, iColumn)); return QModelIndex(); /* bug? */ } if ((unsigned)iColumn >= DBGGUI_STATS_COLUMNS) { Log(("index: iColumn=%d (iRow=%d)\n", iColumn, iRow)); return QModelIndex(); /* bug? */ } PDBGGUISTATSNODE pChild = pParent->papChildren[iRow]; return createIndex(iRow, iColumn, pChild); } QModelIndex VBoxDbgStatsModel::parent(const QModelIndex &a_rChild) const { PDBGGUISTATSNODE pChild = nodeFromIndex(a_rChild); if (!pChild) { Log(("parent: invalid child\n")); return QModelIndex(); /* bug */ } PDBGGUISTATSNODE pParent = pChild->pParent; if (!pParent) return QModelIndex(); /* ultimate root */ return createIndex(pParent->iSelf, 0, pParent); } QVariant VBoxDbgStatsModel::headerData(int a_iSection, Qt::Orientation a_eOrientation, int a_eRole) const { if ( a_eOrientation == Qt::Horizontal && a_eRole == Qt::DisplayRole) switch (a_iSection) { case 0: return tr("Name"); case 1: return tr("Unit"); case 2: return tr("Value/Times"); case 3: return tr("Min"); case 4: return tr("Average"); case 5: return tr("Max"); case 6: return tr("Total"); case 7: return tr("dInt"); case 8: return tr("Description"); default: AssertCompile(DBGGUI_STATS_COLUMNS == 9); return QVariant(); /* bug */ } else if ( a_eOrientation == Qt::Horizontal && a_eRole == Qt::TextAlignmentRole) switch (a_iSection) { case 0: case 1: return QVariant(); case 2: case 3: case 4: case 5: case 6: case 7: return (int)(Qt::AlignRight | Qt::AlignVCenter); case 8: return QVariant(); default: AssertCompile(DBGGUI_STATS_COLUMNS == 9); return QVariant(); /* bug */ } return QVariant(); } /*static*/ QString VBoxDbgStatsModel::strUnit(PCDBGGUISTATSNODE pNode) { if (pNode->enmUnit == STAMUNIT_INVALID) return ""; return STAMR3GetUnit(pNode->enmUnit); } /*static*/ QString VBoxDbgStatsModel::strValueTimes(PCDBGGUISTATSNODE pNode) { char sz[128]; switch (pNode->enmType) { case STAMTYPE_COUNTER: return formatNumber(sz, pNode->Data.Counter.c); case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: if (!pNode->Data.Profile.cPeriods) return "0"; return formatNumber(sz, pNode->Data.Profile.cPeriods); case STAMTYPE_RATIO_U32: case STAMTYPE_RATIO_U32_RESET: { formatNumber(sz, pNode->Data.RatioU32.u32A); char *psz = strchr(sz, '\0'); *psz++ = ':'; formatNumber(psz, pNode->Data.RatioU32.u32B); return psz; } case STAMTYPE_CALLBACK: return *pNode->Data.pStr; case STAMTYPE_U8: case STAMTYPE_U8_RESET: return formatNumber(sz, pNode->Data.u8); case STAMTYPE_X8: case STAMTYPE_X8_RESET: return formatHexNumber(sz, pNode->Data.u8, 2); case STAMTYPE_U16: case STAMTYPE_U16_RESET: return formatNumber(sz, pNode->Data.u16); case STAMTYPE_X16: case STAMTYPE_X16_RESET: return formatHexNumber(sz, pNode->Data.u16, 4); case STAMTYPE_U32: case STAMTYPE_U32_RESET: return formatNumber(sz, pNode->Data.u32); case STAMTYPE_X32: case STAMTYPE_X32_RESET: return formatHexNumber(sz, pNode->Data.u32, 8); case STAMTYPE_U64: case STAMTYPE_U64_RESET: return formatNumber(sz, pNode->Data.u64); case STAMTYPE_X64: case STAMTYPE_X64_RESET: return formatHexNumber(sz, pNode->Data.u64, 16); case STAMTYPE_BOOL: case STAMTYPE_BOOL_RESET: return pNode->Data.f ? "true" : "false"; default: AssertMsgFailed(("%d\n", pNode->enmType)); case STAMTYPE_INVALID: return ""; } } /*static*/ QString VBoxDbgStatsModel::strMinValue(PCDBGGUISTATSNODE pNode) { char sz[128]; switch (pNode->enmType) { case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: if (!pNode->Data.Profile.cPeriods) return "0"; return formatNumber(sz, pNode->Data.Profile.cTicksMin); default: return ""; } } /*static*/ QString VBoxDbgStatsModel::strAvgValue(PCDBGGUISTATSNODE pNode) { char sz[128]; switch (pNode->enmType) { case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: if (!pNode->Data.Profile.cPeriods) return "0"; return formatNumber(sz, pNode->Data.Profile.cTicks / pNode->Data.Profile.cPeriods); default: return ""; } } /*static*/ QString VBoxDbgStatsModel::strMaxValue(PCDBGGUISTATSNODE pNode) { char sz[128]; switch (pNode->enmType) { case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: if (!pNode->Data.Profile.cPeriods) return "0"; return formatNumber(sz, pNode->Data.Profile.cTicksMax); default: return ""; } } /*static*/ QString VBoxDbgStatsModel::strTotalValue(PCDBGGUISTATSNODE pNode) { char sz[128]; switch (pNode->enmType) { case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: if (!pNode->Data.Profile.cPeriods) return "0"; return formatNumber(sz, pNode->Data.Profile.cTicks); default: return ""; } } /*static*/ QString VBoxDbgStatsModel::strDeltaValue(PCDBGGUISTATSNODE pNode) { char sz[128]; switch (pNode->enmType) { case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: if (!pNode->Data.Profile.cPeriods) return "0"; /* fall thru */ case STAMTYPE_COUNTER: case STAMTYPE_RATIO_U32: case STAMTYPE_RATIO_U32_RESET: case STAMTYPE_U8: case STAMTYPE_U8_RESET: case STAMTYPE_X8: case STAMTYPE_X8_RESET: case STAMTYPE_U16: case STAMTYPE_U16_RESET: case STAMTYPE_X16: case STAMTYPE_X16_RESET: case STAMTYPE_U32: case STAMTYPE_U32_RESET: case STAMTYPE_X32: case STAMTYPE_X32_RESET: case STAMTYPE_U64: case STAMTYPE_U64_RESET: case STAMTYPE_X64: case STAMTYPE_X64_RESET: case STAMTYPE_BOOL: case STAMTYPE_BOOL_RESET: return formatNumberSigned(sz, pNode->i64Delta); default: return ""; } } QVariant VBoxDbgStatsModel::data(const QModelIndex &a_rIndex, int a_eRole) const { unsigned iCol = a_rIndex.column(); if (iCol >= DBGGUI_STATS_COLUMNS) return QVariant(); if (a_eRole == Qt::DisplayRole) { PDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex); if (!pNode) return QVariant(); switch (iCol) { case 0: return QString(pNode->pszName); case 1: return strUnit(pNode); case 2: return strValueTimes(pNode); case 3: return strMinValue(pNode); case 4: return strAvgValue(pNode); case 5: return strMaxValue(pNode); case 6: return strTotalValue(pNode); case 7: return strDeltaValue(pNode); case 8: return pNode->pDescStr ? QString(*pNode->pDescStr) : QString(""); default: AssertCompile(DBGGUI_STATS_COLUMNS == 9); return QVariant(); } } else if (a_eRole == Qt::TextAlignmentRole) switch (iCol) { case 0: case 1: return QVariant(); case 2: case 3: case 4: case 5: case 6: case 7: return (int)(Qt::AlignRight | Qt::AlignVCenter); case 8: return QVariant(); default: AssertCompile(DBGGUI_STATS_COLUMNS == 9); return QVariant(); /* bug */ } return QVariant(); } /*static*/ void VBoxDbgStatsModel::stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString) { /* * Get the path, padding it to 32-chars and add it to the string. */ char szBuf[1024]; ssize_t off = getNodePath(a_pNode, szBuf, sizeof(szBuf) - 2); AssertReturnVoid(off >= 0); if (off < 32) { memset(&szBuf[off], ' ', 32 - off); szBuf[32] = '\0'; off = 32; } szBuf[off++] = ' '; szBuf[off] = '\0'; a_rString += szBuf; /* * The following is derived from stamR3PrintOne, except * we print to szBuf, do no visibility checks and can skip * the path bit. */ switch (a_pNode->enmType) { case STAMTYPE_COUNTER: RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.Counter.c, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_PROFILE: case STAMTYPE_PROFILE_ADV: { uint64_t u64 = a_pNode->Data.Profile.cPeriods ? a_pNode->Data.Profile.cPeriods : 1; RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s (%12llu ticks, %7llu times, max %9llu, min %7lld)", a_pNode->Data.Profile.cTicks / u64, STAMR3GetUnit(a_pNode->enmUnit), a_pNode->Data.Profile.cTicks, a_pNode->Data.Profile.cPeriods, a_pNode->Data.Profile.cTicksMax, a_pNode->Data.Profile.cTicksMin); break; } case STAMTYPE_RATIO_U32: case STAMTYPE_RATIO_U32_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8u:%-8u %s", a_pNode->Data.RatioU32.u32A, a_pNode->Data.RatioU32.u32B, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_CALLBACK: if (a_pNode->Data.pStr) a_rString += *a_pNode->Data.pStr; RTStrPrintf(szBuf, sizeof(szBuf), " %s", STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_U8: case STAMTYPE_U8_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_X8: case STAMTYPE_X8_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_U16: case STAMTYPE_U16_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_X16: case STAMTYPE_X16_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_U32: case STAMTYPE_U32_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_X32: case STAMTYPE_X32_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_U64: case STAMTYPE_U64_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_X64: case STAMTYPE_X64_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%8llx %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit)); break; case STAMTYPE_BOOL: case STAMTYPE_BOOL_RESET: RTStrPrintf(szBuf, sizeof(szBuf), "%s %s", a_pNode->Data.f ? "true " : "false ", STAMR3GetUnit(a_pNode->enmUnit)); break; default: AssertMsgFailed(("enmType=%d\n", a_pNode->enmType)); return; } a_rString += szBuf; } /*static*/ void VBoxDbgStatsModel::stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString) { /* this node (if it has data) */ if (a_pNode->enmType != STAMTYPE_INVALID) { if (!a_rString.isEmpty()) a_rString += "\n"; stringifyNodeNoRecursion(a_pNode, a_rString); } /* the children */ uint32_t const cChildren = a_pNode->cChildren; for (uint32_t i = 0; i < cChildren; i++) stringifyNode(a_pNode->papChildren[i], a_rString); } void VBoxDbgStatsModel::stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const { PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot; if (pRoot) stringifyNode(pRoot, a_rString); } void VBoxDbgStatsModel::copyTreeToClipboard(QModelIndex &a_rRoot) const { QString String; stringifyTree(a_rRoot, String); QClipboard *pClipboard = QApplication::clipboard(); if (pClipboard) pClipboard->setText(String, QClipboard::Clipboard); } /*static*/ void VBoxDbgStatsModel::logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog) { /* this node (if it has data) */ if (a_pNode->enmType != STAMTYPE_INVALID) { QString SelfStr; stringifyNodeNoRecursion(a_pNode, SelfStr); QByteArray SelfByteArray = SelfStr.toUtf8(); if (a_fReleaseLog) RTLogRelPrintf("%s\n", SelfByteArray.constData()); else RTLogPrintf("%s\n", SelfByteArray.constData()); } /* the children */ uint32_t const cChildren = a_pNode->cChildren; for (uint32_t i = 0; i < cChildren; i++) logNode(a_pNode->papChildren[i], a_fReleaseLog); } void VBoxDbgStatsModel::logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const { PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot; if (pRoot) logNode(pRoot, a_fReleaseLog); } /* * * V B o x D b g S t a t s M o d e l V M * V B o x D b g S t a t s M o d e l V M * V B o x D b g S t a t s M o d e l V M * * */ VBoxDbgStatsModelVM::VBoxDbgStatsModelVM(VBoxDbgGui *a_pDbgGui, QString &a_rPatStr, QObject *a_pParent) : VBoxDbgStatsModel(a_pParent), VBoxDbgBase(a_pDbgGui) { /* * Create a model containing the STAM entries matching the pattern. * (The original idea was to get everything and rely on some hide/visible * flag that it turned out didn't exist.) */ PDBGGUISTATSNODE pTree = createNewTree(a_rPatStr); setRootNode(pTree); } VBoxDbgStatsModelVM::~VBoxDbgStatsModelVM() { /* nothing to do here. */ } bool VBoxDbgStatsModelVM::updateStatsByPattern(const QString &a_rPatStr) { /** @todo the way we update this stuff is independent of the source (XML, file, STAM), our only * ASSUMPTION is that the input is strictly ordered by (fully slashed) name. So, all this stuff * should really move up into the parent class. */ bool fRc = updatePrepare(); if (fRc) { int rc = stamEnum(a_rPatStr, updateCallback, this); fRc = updateDone(RT_SUCCESS(rc)); } return fRc; } void VBoxDbgStatsModelVM::resetStatsByPattern(QString const &a_rPatStr) { stamReset(a_rPatStr); } /*static*/ DECLCALLBACK(int) VBoxDbgStatsModelVM::createNewTreeCallback(const char *pszName, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit, STAMVISIBILITY enmVisibility, const char *pszDesc, void *pvUser) { PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)pvUser; Log3(("createNewTreeCallback: %s\n", pszName)); /* * Skip the ones which shouldn't be visible in the GUI. */ if (enmVisibility == STAMVISIBILITY_NOT_GUI) return 0; /* * Perform a mkdir -p like operation till we've walked / created the entire path down * to the node specfied node. Remember the last node as that will be the one we will * stuff the data into. */ AssertReturn(*pszName == '/' && pszName[1] != '/', VERR_INTERNAL_ERROR); PDBGGUISTATSNODE pNode = pRoot; const char *pszCur = pszName + 1; while (*pszCur) { /* find the end of this component. */ const char *pszNext = strchr(pszCur, '/'); if (!pszNext) pszNext = strchr(pszCur, '\0'); size_t cchCur = pszNext - pszCur; /* Create it if it doesn't exist (it will be last if it exists). */ if ( !pNode->cChildren || strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur) || pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur]) { pNode = createAndInsertNode(pNode, pszCur, pszNext - pszCur, UINT32_MAX); if (!pNode) return VERR_NO_MEMORY; } else pNode = pNode->papChildren[pNode->cChildren - 1]; /* Advance */ pszCur = *pszNext ? pszNext + 1 : pszNext; } /* * Save the data. */ return initNode(pNode, enmType, pvSample, enmUnit, pszDesc); } PDBGGUISTATSNODE VBoxDbgStatsModelVM::createNewTree(QString &a_rPatStr) { PDBGGUISTATSNODE pRoot = createRootNode(); if (pRoot) { int rc = stamEnum(a_rPatStr, createNewTreeCallback, pRoot); if (RT_SUCCESS(rc)) return pRoot; /* failed, cleanup. */ destroyTree(pRoot); } return NULL; } /* * * V B o x D b g S t a t s V i e w * V B o x D b g S t a t s V i e w * V B o x D b g S t a t s V i e w * * */ VBoxDbgStatsView::VBoxDbgStatsView(VBoxDbgGui *a_pDbgGui, VBoxDbgStatsModel *a_pModel, VBoxDbgStats *a_pParent/* = NULL*/) : QTreeView(a_pParent), VBoxDbgBase(a_pDbgGui), m_pModel(a_pModel), m_PatStr(), m_pParent(a_pParent), m_pLeafMenu(NULL), m_pBranchMenu(NULL), m_pViewMenu(NULL), m_pCurMenu(NULL), m_CurIndex() { /* * Set the model and view defaults. */ setRootIsDecorated(true); setModel(m_pModel); QModelIndex RootIdx = m_pModel->getRootIndex(); /* This should really be QModelIndex(), but Qt on darwin does wrong things then. */ setRootIndex(RootIdx); setItemsExpandable(true); setAlternatingRowColors(true); setSelectionBehavior(SelectRows); setSelectionMode(SingleSelection); /// @todo sorting setSortingEnabled(true); /* * Create and setup the actions. */ m_pExpandAct = new QAction("Expand Tree", this); m_pCollapseAct = new QAction("Collapse Tree", this); m_pRefreshAct = new QAction("&Refresh", this); m_pResetAct = new QAction("Rese&t", this); m_pCopyAct = new QAction("&Copy", this); m_pToLogAct = new QAction("To &Log", this); m_pToRelLogAct = new QAction("T&o Release Log", this); m_pAdjColumns = new QAction("&Adjust Columns", this); m_pCopyAct->setShortcut(QKeySequence::Copy); m_pExpandAct->setShortcut(QKeySequence("Ctrl+E")); m_pCollapseAct->setShortcut(QKeySequence("Ctrl+D")); m_pRefreshAct->setShortcut(QKeySequence("Ctrl+R")); m_pResetAct->setShortcut(QKeySequence("Alt+R")); m_pToLogAct->setShortcut(QKeySequence("Ctrl+Z")); m_pToRelLogAct->setShortcut(QKeySequence("Alt+Z")); m_pAdjColumns->setShortcut(QKeySequence("Ctrl+A")); addAction(m_pCopyAct); addAction(m_pExpandAct); addAction(m_pCollapseAct); addAction(m_pRefreshAct); addAction(m_pResetAct); addAction(m_pToLogAct); addAction(m_pToRelLogAct); addAction(m_pAdjColumns); connect(m_pExpandAct, SIGNAL(triggered(bool)), this, SLOT(actExpand())); connect(m_pCollapseAct, SIGNAL(triggered(bool)), this, SLOT(actCollapse())); connect(m_pRefreshAct, SIGNAL(triggered(bool)), this, SLOT(actRefresh())); connect(m_pResetAct, SIGNAL(triggered(bool)), this, SLOT(actReset())); connect(m_pCopyAct, SIGNAL(triggered(bool)), this, SLOT(actCopy())); connect(m_pToLogAct, SIGNAL(triggered(bool)), this, SLOT(actToLog())); connect(m_pToRelLogAct, SIGNAL(triggered(bool)), this, SLOT(actToRelLog())); connect(m_pAdjColumns, SIGNAL(triggered(bool)), this, SLOT(actAdjColumns())); /* * Create the menus and populate them. */ setContextMenuPolicy(Qt::DefaultContextMenu); m_pLeafMenu = new QMenu(); m_pLeafMenu->addAction(m_pCopyAct); m_pLeafMenu->addAction(m_pRefreshAct); m_pLeafMenu->addAction(m_pResetAct); m_pLeafMenu->addAction(m_pToLogAct); m_pLeafMenu->addAction(m_pToRelLogAct); m_pBranchMenu = new QMenu(this); m_pBranchMenu->addAction(m_pCopyAct); m_pBranchMenu->addAction(m_pRefreshAct); m_pBranchMenu->addAction(m_pResetAct); m_pBranchMenu->addAction(m_pToLogAct); m_pBranchMenu->addAction(m_pToRelLogAct); m_pBranchMenu->addSeparator(); m_pBranchMenu->addAction(m_pExpandAct); m_pBranchMenu->addAction(m_pCollapseAct); m_pViewMenu = new QMenu(); m_pViewMenu->addAction(m_pCopyAct); m_pViewMenu->addAction(m_pRefreshAct); m_pViewMenu->addAction(m_pResetAct); m_pViewMenu->addAction(m_pToLogAct); m_pViewMenu->addAction(m_pToRelLogAct); m_pViewMenu->addSeparator(); m_pViewMenu->addAction(m_pExpandAct); m_pViewMenu->addAction(m_pCollapseAct); m_pViewMenu->addSeparator(); m_pViewMenu->addAction(m_pAdjColumns); /* the header menu */ QHeaderView *pHdrView = header(); pHdrView->setContextMenuPolicy(Qt::CustomContextMenu); connect(pHdrView, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(headerContextMenuRequested(const QPoint &))); } VBoxDbgStatsView::~VBoxDbgStatsView() { m_pParent = NULL; m_pCurMenu = NULL; m_CurIndex = QModelIndex(); #define DELETE_IT(m) if (m) { delete m; m = NULL; } else do {} while (0) DELETE_IT(m_pModel); DELETE_IT(m_pLeafMenu); DELETE_IT(m_pBranchMenu); DELETE_IT(m_pViewMenu); DELETE_IT(m_pExpandAct); DELETE_IT(m_pCollapseAct); DELETE_IT(m_pRefreshAct); DELETE_IT(m_pResetAct); DELETE_IT(m_pCopyAct); DELETE_IT(m_pToLogAct); DELETE_IT(m_pToRelLogAct); DELETE_IT(m_pAdjColumns); #undef DELETE_IT } void VBoxDbgStatsView::updateStats(const QString &rPatStr) { m_PatStr = rPatStr; if (m_pModel->updateStatsByPattern(rPatStr)) setRootIndex(m_pModel->getRootIndex()); /* hack */ } void VBoxDbgStatsView::resizeColumnsToContent() { for (int i = 0; i <= 8; i++) resizeColumnToContents(i); } void VBoxDbgStatsView::setSubTreeExpanded(QModelIndex const &a_rIndex, bool a_fExpanded) { int cRows = m_pModel->rowCount(a_rIndex); for (int i = 0; i < cRows; i++) setSubTreeExpanded(a_rIndex.child(i, 0), a_fExpanded); setExpanded(a_rIndex, a_fExpanded); } void VBoxDbgStatsView::contextMenuEvent(QContextMenuEvent *a_pEvt) { /* * Get the selected item. * If it's a mouse event select the item under the cursor (if any). */ QModelIndex Idx; if (a_pEvt->reason() == QContextMenuEvent::Mouse) { Idx = indexAt(a_pEvt->pos()); if (Idx.isValid()) setCurrentIndex(Idx); } else { QModelIndexList SelIdx = selectedIndexes(); if (!SelIdx.isEmpty()) Idx = SelIdx.at(0); } /* * Popup the corresponding menu. */ QMenu *pMenu; if (!Idx.isValid()) pMenu = m_pViewMenu; else if (m_pModel->hasChildren(Idx)) pMenu = m_pBranchMenu; else pMenu = m_pLeafMenu; if (pMenu) { m_pRefreshAct->setEnabled(!Idx.isValid() || Idx == m_pModel->getRootIndex()); m_CurIndex = Idx; m_pCurMenu = pMenu; pMenu->exec(a_pEvt->globalPos()); m_pCurMenu = NULL; m_CurIndex = QModelIndex(); if (m_pRefreshAct) m_pRefreshAct->setEnabled(true); } a_pEvt->accept(); } void VBoxDbgStatsView::headerContextMenuRequested(const QPoint &a_rPos) { /* * Show the view menu. */ if (m_pViewMenu) { m_pRefreshAct->setEnabled(true); m_CurIndex = m_pModel->getRootIndex(); m_pCurMenu = m_pViewMenu; m_pViewMenu->exec(header()->mapToGlobal(a_rPos)); m_pCurMenu = NULL; m_CurIndex = QModelIndex(); if (m_pRefreshAct) m_pRefreshAct->setEnabled(true); } } void VBoxDbgStatsView::actExpand() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); if (Idx.isValid()) setSubTreeExpanded(Idx, true /* a_fExpanded */); } void VBoxDbgStatsView::actCollapse() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); if (Idx.isValid()) setSubTreeExpanded(Idx, false /* a_fExpanded */); } void VBoxDbgStatsView::actRefresh() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); if (!Idx.isValid() || Idx == m_pModel->getRootIndex()) { if (m_pModel->updateStatsByPattern(m_PatStr)) setRootIndex(m_pModel->getRootIndex()); /* hack */ } else m_pModel->updateStatsByIndex(Idx); } void VBoxDbgStatsView::actReset() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); if (!Idx.isValid() || Idx == m_pModel->getRootIndex()) m_pModel->resetStatsByPattern(m_PatStr); else m_pModel->resetStatsByIndex(Idx); } void VBoxDbgStatsView::actCopy() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); m_pModel->copyTreeToClipboard(Idx); } void VBoxDbgStatsView::actToLog() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); m_pModel->logTree(Idx, false /* a_fReleaseLog */); } void VBoxDbgStatsView::actToRelLog() { QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex(); m_pModel->logTree(Idx, true /* a_fReleaseLog */); } void VBoxDbgStatsView::actAdjColumns() { resizeColumnsToContent(); } /* * * V B o x D b g S t a t s * V B o x D b g S t a t s * V B o x D b g S t a t s * * */ VBoxDbgStats::VBoxDbgStats(VBoxDbgGui *a_pDbgGui, const char *pszPat/* = NULL*/, unsigned uRefreshRate/* = 0*/, QWidget *pParent/* = NULL*/) : VBoxDbgBaseWindow(a_pDbgGui, pParent), m_PatStr(pszPat), m_pPatCB(NULL), m_uRefreshRate(0), m_pTimer(NULL), m_pView(NULL) { setWindowTitle("VBoxDbg - Statistics"); /* * On top, a horizontal box with the pattern field, buttons and refresh interval. */ QHBoxLayout *pHLayout = new QHBoxLayout; QLabel *pLabel = new QLabel(" Pattern "); pHLayout->addWidget(pLabel); pLabel->setMaximumSize(pLabel->sizeHint()); pLabel->setAlignment(Qt::AlignHCenter | Qt::AlignVCenter); m_pPatCB = new QComboBox(); m_pPatCB->setAutoCompletion(false); pHLayout->addWidget(m_pPatCB); if (!m_PatStr.isEmpty()) m_pPatCB->addItem(m_PatStr); m_pPatCB->setDuplicatesEnabled(false); m_pPatCB->setEditable(true); connect(m_pPatCB, SIGNAL(activated(const QString &)), this, SLOT(apply(const QString &))); QPushButton *pPB = new QPushButton("&All"); pHLayout->addWidget(pPB); pPB->setMaximumSize(pPB->sizeHint()); connect(pPB, SIGNAL(clicked()), this, SLOT(applyAll())); pLabel = new QLabel(" Interval "); pHLayout->addWidget(pLabel); pLabel->setMaximumSize(pLabel->sizeHint()); pLabel->setAlignment(Qt::AlignRight | Qt::AlignVCenter); QSpinBox *pSB = new QSpinBox(); pHLayout->addWidget(pSB); pSB->setMinimum(0); pSB->setMaximum(60); pSB->setSingleStep(1); pSB->setValue(uRefreshRate); pSB->setSuffix(" s"); pSB->setWrapping(false); pSB->setButtonSymbols(QSpinBox::PlusMinus); pSB->setMaximumSize(pSB->sizeHint()); connect(pSB, SIGNAL(valueChanged(int)), this, SLOT(setRefresh(int))); /* * Create the tree view and setup the layout. */ VBoxDbgStatsModelVM *pModel = new VBoxDbgStatsModelVM(a_pDbgGui, m_PatStr, NULL); m_pView = new VBoxDbgStatsView(a_pDbgGui, pModel, this); QWidget *pHBox = new QWidget; pHBox->setLayout(pHLayout); QVBoxLayout *pVLayout = new QVBoxLayout; pVLayout->addWidget(pHBox); pVLayout->addWidget(m_pView); setLayout(pVLayout); /* * Resize the columns. * Seems this has to be done with all nodes expanded. */ m_pView->expandAll(); m_pView->resizeColumnsToContent(); m_pView->collapseAll(); /* * Create a refresh timer and start it. */ m_pTimer = new QTimer(this); connect(m_pTimer, SIGNAL(timeout()), this, SLOT(refresh())); setRefresh(uRefreshRate); /* * And some shortcuts. */ m_pFocusToPat = new QAction("", this); m_pFocusToPat->setShortcut(QKeySequence("Ctrl+L")); addAction(m_pFocusToPat); connect(m_pFocusToPat, SIGNAL(triggered(bool)), this, SLOT(actFocusToPat())); } VBoxDbgStats::~VBoxDbgStats() { if (m_pTimer) { delete m_pTimer; m_pTimer = NULL; } if (m_pPatCB) { delete m_pPatCB; m_pPatCB = NULL; } if (m_pView) { delete m_pView; m_pView = NULL; } } void VBoxDbgStats::closeEvent(QCloseEvent *a_pCloseEvt) { a_pCloseEvt->accept(); delete this; } void VBoxDbgStats::apply(const QString &Str) { m_PatStr = Str; refresh(); } void VBoxDbgStats::applyAll() { apply(""); } void VBoxDbgStats::refresh() { m_pView->updateStats(m_PatStr); } void VBoxDbgStats::setRefresh(int iRefresh) { if ((unsigned)iRefresh != m_uRefreshRate) { if (!m_uRefreshRate || iRefresh) m_pTimer->start(iRefresh * 1000); else m_pTimer->stop(); m_uRefreshRate = iRefresh; } } void VBoxDbgStats::actFocusToPat() { if (!m_pPatCB->hasFocus()) m_pPatCB->setFocus(Qt::ShortcutFocusReason); }