VBoxDbgStatsQt4.cpp@ 41889

Last change on this file since 41889 was 39917, checked in by vboxsync, 13 years ago
STAM,GMM,VBoxDbg: Adding GMM statistics (at last). Introduces STAMTYPE_BOOL and STAMTYPE_BOOL_RESET. Fixes a beyond end of string access in VBoxDbg (memcmp).
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File size: 88.0 KB

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1	/* $Id: VBoxDbgStatsQt4.cpp 39917 2012-01-31 14:04:52Z vboxsync $ */
2	/** @file
3	* VBox Debugger GUI - Statistics.
4	*/
5
6	/*
7	* Copyright (C) 2006-2010 Oracle Corporation
8	*
9	* This file is part of VirtualBox Open Source Edition (OSE), as
10	* available from http://www.virtualbox.org. This file is free software;
11	* you can redistribute it and/or modify it under the terms of the GNU
12	* General Public License (GPL) as published by the Free Software
13	* Foundation, in version 2 as it comes in the "COPYING" file of the
14	* VirtualBox OSE distribution. VirtualBox OSE is distributed in the
15	* hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
16	*/
17
18
19	/*******************************************************************************
20	* Header Files *
21	*******************************************************************************/
22	#define LOG_GROUP LOG_GROUP_DBGG
23	#include "VBoxDbgStatsQt4.h"
24
25	#include <QLocale>
26	#include <QPushButton>
27	#include <QSpinBox>
28	#include <QLabel>
29	#include <QClipboard>
30	#include <QApplication>
31	#include <QHBoxLayout>
32	#include <QVBoxLayout>
33	#include <QKeySequence>
34	#include <QAction>
35	#include <QContextMenuEvent>
36	#include <QHeaderView>
37
38	#include <VBox/err.h>
39	#include <VBox/log.h>
40	#include <iprt/string.h>
41	#include <iprt/mem.h>
42	#include <iprt/assert.h>
43
44
45	/*******************************************************************************
46	* Defined Constants And Macros *
47	*******************************************************************************/
48	/** The number of column. */
49	#define DBGGUI_STATS_COLUMNS 9
50
51
52	/*******************************************************************************
53	* Structures and Typedefs *
54	*******************************************************************************/
55	/**
56	* The state of a statistics sample node.
57	*
58	* This is used for two pass refresh (1. get data, 2. update the view) and
59	* for saving the result of a diff.
60	*/
61	typedef enum DBGGUISTATSNODESTATE
62	{
63	/** The typical invalid zeroth entry. */
64	kDbgGuiStatsNodeState_kInvalid = 0,
65	/** The node is the root node. */
66	kDbgGuiStatsNodeState_kRoot,
67	/** The node is visible. */
68	kDbgGuiStatsNodeState_kVisible,
69	/** The node should be refreshed. */
70	kDbgGuiStatsNodeState_kRefresh,
71	/** diff: The node equals. */
72	kDbgGuiStatsNodeState_kDiffEqual,
73	/** diff: The node in set 1 is less than the one in set 2. */
74	kDbgGuiStatsNodeState_kDiffSmaller,
75	/** diff: The node in set 1 is greater than the one in set 2. */
76	kDbgGuiStatsNodeState_kDiffGreater,
77	/** diff: The node is only in set 1. */
78	kDbgGuiStatsNodeState_kDiffOnlyIn1,
79	/** diff: The node is only in set 2. */
80	kDbgGuiStatsNodeState_kDiffOnlyIn2,
81	/** The end of the valid state values. */
82	kDbgGuiStatsNodeState_kEnd
83	} DBGGUISTATENODESTATE;
84
85
86	/**
87	* A tree node representing a statistic sample.
88	*
89	* The nodes carry a reference to the parent and to its position among its
90	* siblings. Both of these need updating when the grand parent or parent adds a
91	* new child. This will hopefully not be too expensive but rather pay off when
92	* we need to create a parent index.
93	*/
94	typedef struct DBGGUISTATSNODE
95	{
96	/** Pointer to the parent. */
97	PDBGGUISTATSNODE pParent;
98	/** Array of pointers to the child nodes. */
99	PDBGGUISTATSNODE *papChildren;
100	/** The number of children. */
101	uint32_t cChildren;
102	/** Our index among the parent's children. */
103	uint32_t iSelf;
104	/** The unit. */
105	STAMUNIT enmUnit;
106	/** The data type.
107	* For filler nodes not containing data, this will be set to STAMTYPE_INVALID. */
108	STAMTYPE enmType;
109	/** The data at last update. */
110	union
111	{
112	/** STAMTYPE_COUNTER. */
113	STAMCOUNTER Counter;
114	/** STAMTYPE_PROFILE. */
115	STAMPROFILE Profile;
116	/** STAMTYPE_PROFILE_ADV. */
117	STAMPROFILEADV ProfileAdv;
118	/** STAMTYPE_RATIO_U32. */
119	STAMRATIOU32 RatioU32;
120	/** STAMTYPE_U8 & STAMTYPE_U8_RESET. */
121	uint8_t u8;
122	/** STAMTYPE_U16 & STAMTYPE_U16_RESET. */
123	uint16_t u16;
124	/** STAMTYPE_U32 & STAMTYPE_U32_RESET. */
125	uint32_t u32;
126	/** STAMTYPE_U64 & STAMTYPE_U64_RESET. */
127	uint64_t u64;
128	/** STAMTYPE_BOOL and STAMTYPE_BOOL_RESET. */
129	bool f;
130	/** STAMTYPE_CALLBACK. */
131	QString *pStr;
132	} Data;
133	/** The delta. */
134	int64_t i64Delta;
135	/** The name. */
136	char *pszName;
137	/** The length of the name. */
138	size_t cchName;
139	/** The description string. */
140	QString *pDescStr;
141	/** The node state. */
142	DBGGUISTATENODESTATE enmState;
143	} DBGGUISTATSNODE;
144
145
146	/**
147	* Recursion stack.
148	*/
149	typedef struct DBGGUISTATSSTACK
150	{
151	/** The top stack entry. */
152	int32_t iTop;
153	/** The stack array. */
154	struct DBGGUISTATSSTACKENTRY
155	{
156	/** The node. */
157	PDBGGUISTATSNODE pNode;
158	/** The current child. */
159	int32_t iChild;
160	} a[32];
161	} DBGGUISTATSSTACK;
162
163
164
165
166	/**
167	* The item model for the statistics tree view.
168	*
169	* This manages the DBGGUISTATSNODE trees.
170	*/
171	class VBoxDbgStatsModel : public QAbstractItemModel
172	{
173	protected:
174	/** The root of the sample tree. */
175	PDBGGUISTATSNODE m_pRoot;
176
177	private:
178	/** Next update child. This is UINT32_MAX when invalid. */
179	uint32_t m_iUpdateChild;
180	/** Pointer to the node m_szUpdateParent represent and m_iUpdateChild refers to. */
181	PDBGGUISTATSNODE m_pUpdateParent;
182	/** The length of the path. */
183	size_t m_cchUpdateParent;
184	/** The path to the current update parent, including a trailing slash. */
185	char m_szUpdateParent[1024];
186	/** Inserted or/and removed nodes during the update. */
187	bool m_fUpdateInsertRemove;
188
189
190	public:
191	/**
192	* Constructor.
193	*
194	* @param a_pParent The parent object. See QAbstractItemModel in the Qt
195	* docs for details.
196	*/
197	VBoxDbgStatsModel(QObject *a_pParent);
198
199	/**
200	* Destructor.
201	*
202	* This will free all the data the model holds.
203	*/
204	virtual ~VBoxDbgStatsModel();
205
206	/**
207	* Updates the data matching the specified pattern.
208	*
209	* This will should invoke updatePrep, updateCallback and updateDone.
210	*
211	* It is vitally important that updateCallback is fed the data in the right
212	* order. The code make very definite ASSUMPTIONS about the ordering being
213	* strictly sorted and taking the slash into account when doing so.
214	*
215	* @returns true if we reset the model and it's necessary to set the root index.
216	* @param a_rPatStr The selection pattern.
217	*
218	* @remarks The default implementation is an empty stub.
219	*/
220	virtual bool updateStatsByPattern(const QString &a_rPatStr);
221
222	/**
223	* Similar to updateStatsByPattern, except that it only works on a sub-tree and
224	* will not remove anything that's outside that tree.
225	*
226	* @param a_rIndex The sub-tree root. Invalid index means root.
227	*
228	* @todo Create a default implementation using updateStatsByPattern.
229	*/
230	virtual void updateStatsByIndex(QModelIndex const &a_rIndex);
231
232	/**
233	* Reset the stats matching the specified pattern.
234	*
235	* @param a_rPatStr The selection pattern.
236	*
237	* @remarks The default implementation is an empty stub.
238	*/
239	virtual void resetStatsByPattern(QString const &a_rPatStr);
240
241	/**
242	* Reset the stats of a sub-tree.
243	*
244	* @param a_rIndex The sub-tree root. Invalid index means root.
245	* @param a_fSubTree Whether to reset the sub-tree as well. Default is true.
246	*
247	* @remarks The default implementation makes use of resetStatsByPattern
248	*/
249	virtual void resetStatsByIndex(QModelIndex const &a_rIndex, bool a_fSubTree = true);
250
251	/**
252	* Gets the model index of the root node.
253	*
254	* @returns root index.
255	*/
256	QModelIndex getRootIndex(void) const;
257
258
259	protected:
260	/**
261	* Set the root node.
262	*
263	* This will free all the current data before taking the ownership of the new
264	* root node and its children.
265	*
266	* @param a_pRoot The new root node.
267	*/
268	void setRootNode(PDBGGUISTATSNODE a_pRoot);
269
270	/** Creates the root node. */
271	static PDBGGUISTATSNODE createRootNode(void);
272
273	/** Creates and insert a node under the given parent. */
274	static PDBGGUISTATSNODE createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition);
275
276	/** Creates and insert a node under the given parent with correct Qt
277	* signalling. */
278	PDBGGUISTATSNODE createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition);
279
280	/**
281	* Resets the node to a pristine state.
282	*
283	* @param pNode The node.
284	*/
285	static void resetNode(PDBGGUISTATSNODE pNode);
286
287	/**
288	* Initializes a pristine node.
289	*/
290	static int initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc);
291
292	/**
293	* Updates (or reinitializes if you like) a node.
294	*/
295	static void updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc);
296
297	/**
298	* Called by updateStatsByPattern(), makes the necessary preparations.
299	*
300	* @returns Success indicator.
301	*/
302	bool updatePrepare(void);
303
304	/**
305	* Called by updateStatsByPattern(), finalizes the update.
306	*
307	* @return See updateStatsByPattern().
308	*
309	* @param a_fSuccess Whether the update was successful or not.
310	*
311	*/
312	bool updateDone(bool a_fSuccess);
313
314	/**
315	* updateCallback() worker taking care of in-tree inserts and removals.
316	*
317	* @returns The current node.
318	* @param pszName The name of the tree element to update.
319	*/
320	PDBGGUISTATSNODE updateCallbackHandleOutOfOrder(const char *pszName);
321
322	/**
323	* updateCallback() worker taking care of tail insertions.
324	*
325	* @returns The current node.
326	* @param pszName The name of the tree element to update.
327	*/
328	PDBGGUISTATSNODE updateCallbackHandleTail(const char *pszName);
329
330	/**
331	* updateCallback() worker that advances the update state to the next data node
332	* in anticipation of the next updateCallback call.
333	*
334	* @returns The current node.
335	* @param pNode The current node.
336	*/
337	void updateCallbackAdvance(PDBGGUISTATSNODE pNode);
338
339	/** Callback used by updateStatsByPattern() and updateStatsByIndex() to feed
340	* changes.
341	* @copydoc FNSTAMR3ENUM */
342	static DECLCALLBACK(int) updateCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
343	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser);
344
345	/**
346	* Calculates the full path of a node.
347	*
348	* @returns Number of bytes returned, negative value on buffer overflow
349	*
350	* @param pNode The node.
351	* @param psz The output buffer.
352	* @param cch The size of the buffer.
353	*/
354	static ssize_t getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch);
355
356	/**
357	* Check if the first node is an ancestor to the second one.
358	*
359	* @returns true/false.
360	* @param pAncestor The first node, the alleged ancestor.
361	* @param pDescendant The second node, the alleged descendant.
362	*/
363	static bool isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant);
364
365	/**
366	* Advance to the next node in the tree.
367	*
368	* @returns Pointer to the next node, NULL if we've reached the end or
369	* was handed a NULL node.
370	* @param pNode The current node.
371	*/
372	static PDBGGUISTATSNODE nextNode(PDBGGUISTATSNODE pNode);
373
374	/**
375	* Advance to the next node in the tree that contains data.
376	*
377	* @returns Pointer to the next data node, NULL if we've reached the end or
378	* was handed a NULL node.
379	* @param pNode The current node.
380	*/
381	static PDBGGUISTATSNODE nextDataNode(PDBGGUISTATSNODE pNode);
382
383	/**
384	* Advance to the previous node in the tree.
385	*
386	* @returns Pointer to the previous node, NULL if we've reached the end or
387	* was handed a NULL node.
388	* @param pNode The current node.
389	*/
390	static PDBGGUISTATSNODE prevNode(PDBGGUISTATSNODE pNode);
391
392	/**
393	* Advance to the previous node in the tree that contains data.
394	*
395	* @returns Pointer to the previous data node, NULL if we've reached the end or
396	* was handed a NULL node.
397	* @param pNode The current node.
398	*/
399	static PDBGGUISTATSNODE prevDataNode(PDBGGUISTATSNODE pNode);
400
401	/**
402	* Removes a node from the tree.
403	*
404	* @returns pNode.
405	* @param pNode The node.
406	*/
407	static PDBGGUISTATSNODE removeNode(PDBGGUISTATSNODE pNode);
408
409	/**
410	* Removes a node from the tree and destroys it and all its descendants.
411	*
412	* @param pNode The node.
413	*/
414	static void removeAndDestroyNode(PDBGGUISTATSNODE pNode);
415
416	/** Removes a node from the tree and destroys it and all its descendants
417	* performing the required Qt signalling. */
418	void removeAndDestroy(PDBGGUISTATSNODE pNode);
419
420	/**
421	* Destroys a statistics tree.
422	*
423	* @param a_pRoot The root of the tree. NULL is fine.
424	*/
425	static void destroyTree(PDBGGUISTATSNODE a_pRoot);
426
427	/**
428	* Stringifies exactly one node, no children.
429	*
430	* This is for logging and clipboard.
431	*
432	* @param a_pNode The node.
433	* @param a_rString The string to append the stringified node to.
434	*/
435	static void stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString);
436
437	/**
438	* Stringifies a node and its children.
439	*
440	* This is for logging and clipboard.
441	*
442	* @param a_pNode The node.
443	* @param a_rString The string to append the stringified node to.
444	*/
445	static void stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString);
446
447	public:
448	/**
449	* Converts the specified tree to string.
450	*
451	* This is for logging and clipboard.
452	*
453	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
454	* @param a_rString Where to return to return the string dump.
455	*/
456	void stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const;
457
458	/**
459	* Dumps the given (sub-)tree as XML.
460	*
461	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
462	* @param a_rString Where to return to return the XML dump.
463	*/
464	void xmlifyTree(QModelIndex &a_rRoot, QString &a_rString) const;
465
466	/**
467	* Puts the stringified tree on the clipboard.
468	*
469	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
470	*/
471	void copyTreeToClipboard(QModelIndex &a_rRoot) const;
472
473
474	protected:
475	/** Worker for logTree. */
476	static void logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog);
477
478	public:
479	/** Logs a (sub-)tree.
480	*
481	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
482	* @param a_fReleaseLog Whether to use the release log (true) or the debug log (false).
483	*/
484	void logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const;
485
486	protected:
487	/** Gets the unit. */
488	static QString strUnit(PCDBGGUISTATSNODE pNode);
489	/** Gets the value/times. */
490	static QString strValueTimes(PCDBGGUISTATSNODE pNode);
491	/** Gets the minimum value. */
492	static QString strMinValue(PCDBGGUISTATSNODE pNode);
493	/** Gets the average value. */
494	static QString strAvgValue(PCDBGGUISTATSNODE pNode);
495	/** Gets the maximum value. */
496	static QString strMaxValue(PCDBGGUISTATSNODE pNode);
497	/** Gets the total value. */
498	static QString strTotalValue(PCDBGGUISTATSNODE pNode);
499	/** Gets the delta value. */
500	static QString strDeltaValue(PCDBGGUISTATSNODE pNode);
501
502	/**
503	* Destroys a node and all its children.
504	*
505	* @param a_pNode The node to destroy.
506	*/
507	static void destroyNode(PDBGGUISTATSNODE a_pNode);
508
509	/**
510	* Converts an index to a node pointer.
511	*
512	* @returns Pointer to the node, NULL if invalid reference.
513	* @param a_rIndex Reference to the index
514	*/
515	inline PDBGGUISTATSNODE nodeFromIndex(const QModelIndex &a_rIndex) const
516	{
517	if (RT_LIKELY(a_rIndex.isValid()))
518	return (PDBGGUISTATSNODE)a_rIndex.internalPointer();
519	return NULL;
520	}
521
522	public:
523
524	/** @name Overridden QAbstractItemModel methods
525	* @{ */
526	virtual int columnCount(const QModelIndex &a_rParent) const;
527	virtual QVariant data(const QModelIndex &a_rIndex, int a_eRole) const;
528	virtual Qt::ItemFlags flags(const QModelIndex &a_rIndex) const;
529	virtual bool hasChildren(const QModelIndex &a_rParent) const;
530	virtual QVariant headerData(int a_iSection, Qt::Orientation a_ePrientation, int a_eRole) const;
531	virtual QModelIndex index(int a_iRow, int a_iColumn, const QModelIndex &a_rParent) const;
532	virtual QModelIndex parent(const QModelIndex &a_rChild) const;
533	virtual int rowCount(const QModelIndex &a_rParent) const;
534	///virtual void sort(int a_iColumn, Qt::SortOrder a_eOrder);
535	/** @} */
536	};
537
538
539	/**
540	* Model using the VM / STAM interface as data source.
541	*/
542	class VBoxDbgStatsModelVM : public VBoxDbgStatsModel, public VBoxDbgBase
543	{
544	public:
545	/**
546	* Constructor.
547	*
548	* @param a_pDbgGui Pointer to the debugger gui object.
549	* @param a_rPatStr The selection pattern.
550	* @param a_pParent The parent object. NULL is fine.
551	*/
552	VBoxDbgStatsModelVM(VBoxDbgGui a_pDbgGui, QString &a_rPatStr, QObject a_pParent);
553
554	/** Destructor */
555	virtual ~VBoxDbgStatsModelVM();
556
557	virtual bool updateStatsByPattern(const QString &a_rPatStr);
558	virtual void resetStatsByPattern(const QString &a_rPatStr);
559
560	protected:
561	/**
562	* Enumeration callback used by createNewTree.
563	*/
564	static DECLCALLBACK(int) createNewTreeCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
565	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser);
566
567	/**
568	* Constructs a new statistics tree by query data from the VM.
569	*
570	* @returns Pointer to the root of the tree we've constructed. This will be NULL
571	* if the STAM API throws an error or we run out of memory.
572	* @param a_rPatStr The selection pattern.
573	*/
574	PDBGGUISTATSNODE createNewTree(QString &a_rPatStr);
575	};
576
577
578	/*******************************************************************************
579	* Internal Functions *
580	*******************************************************************************/
581
582
583	/**
584	* Formats a number into a 64-byte buffer.
585	*/
586	static char formatNumber(char psz, uint64_t u64)
587	{
588	static const char s_szDigits[] = "0123456789";
589	psz += 63;
590	*psz-- = '\0';
591	unsigned cDigits = 0;
592	for (;;)
593	{
594	const unsigned iDigit = u64 % 10;
595	u64 /= 10;
596	*psz = s_szDigits[iDigit];
597	if (!u64)
598	break;
599	psz--;
600	if (!(++cDigits % 3))
601	*psz-- = ',';
602	}
603	return psz;
604	}
605
606
607	/**
608	* Formats a number into a 64-byte buffer.
609	* (18 446 744 073 709 551 615)
610	*/
611	static char formatNumberSigned(char psz, int64_t i64)
612	{
613	static const char s_szDigits[] = "0123456789";
614	psz += 63;
615	*psz-- = '\0';
616	const bool fNegative = i64 < 0;
617	uint64_t u64 = fNegative ? -i64 : i64;
618	unsigned cDigits = 0;
619	for (;;)
620	{
621	const unsigned iDigit = u64 % 10;
622	u64 /= 10;
623	*psz = s_szDigits[iDigit];
624	if (!u64)
625	break;
626	psz--;
627	if (!(++cDigits % 3))
628	*psz-- = ',';
629	}
630	if (fNegative)
631	*--psz = '-';
632	return psz;
633	}
634
635
636	/**
637	* Formats a unsigned hexadecimal number into a into a 64-byte buffer.
638	*/
639	static char formatHexNumber(char psz, uint64_t u64, unsigned cZeros)
640	{
641	static const char s_szDigits[] = "0123456789abcdef";
642	psz += 63;
643	*psz-- = '\0';
644	unsigned cDigits = 0;
645	for (;;)
646	{
647	const unsigned iDigit = u64 % 16;
648	u64 /= 16;
649	*psz = s_szDigits[iDigit];
650	++cDigits;
651	if (!u64 && cDigits >= cZeros)
652	break;
653	psz--;
654	if (!(cDigits % 8))
655	*psz-- = '\'';
656	}
657	return psz;
658	}
659
660
661	#if 0/* unused */
662	/**
663	* Formats a sort key number.
664	*/
665	static void formatSortKey(char *psz, uint64_t u64)
666	{
667	static const char s_szDigits[] = "0123456789abcdef";
668	/* signed */
669	*psz++ = '+';
670
671	/* 16 hex digits */
672	psz[16] = '\0';
673	unsigned i = 16;
674	while (i-- > 0)
675	{
676	if (u64)
677	{
678	const unsigned iDigit = u64 % 16;
679	u64 /= 16;
680	psz[i] = s_szDigits[iDigit];
681	}
682	else
683	psz[i] = '0';
684	}
685	}
686	#endif
687
688
689	#if 0/* unused */
690	/**
691	* Formats a sort key number.
692	*/
693	static void formatSortKeySigned(char *psz, int64_t i64)
694	{
695	static const char s_szDigits[] = "0123456789abcdef";
696
697	/* signed */
698	uint64_t u64;
699	if (i64 >= 0)
700	{
701	*psz++ = '+';
702	u64 = i64;
703	}
704	else
705	{
706	*psz++ = '-';
707	u64 = -i64;
708	}
709
710	/* 16 hex digits */
711	psz[16] = '\0';
712	unsigned i = 16;
713	while (i-- > 0)
714	{
715	if (u64)
716	{
717	const unsigned iDigit = u64 % 16;
718	u64 /= 16;
719	psz[i] = s_szDigits[iDigit];
720	}
721	else
722	psz[i] = '0';
723	}
724	}
725	#endif
726
727
728
729	/*
730	*
731	* V B o x D b g S t a t s M o d e l
732	* V B o x D b g S t a t s M o d e l
733	* V B o x D b g S t a t s M o d e l
734	*
735	*
736	*/
737
738
739	VBoxDbgStatsModel::VBoxDbgStatsModel(QObject *a_pParent)
740	: QAbstractItemModel(a_pParent),
741	m_pRoot(NULL), m_iUpdateChild(UINT32_MAX), m_pUpdateParent(NULL), m_cchUpdateParent(0)
742	{
743	}
744
745
746
747	VBoxDbgStatsModel::~VBoxDbgStatsModel()
748	{
749	destroyTree(m_pRoot);
750	m_pRoot = NULL;
751	}
752
753
754	/static/ void
755	VBoxDbgStatsModel::destroyTree(PDBGGUISTATSNODE a_pRoot)
756	{
757	if (!a_pRoot)
758	return;
759	Assert(!a_pRoot->pParent);
760	Assert(!a_pRoot->iSelf);
761
762	destroyNode(a_pRoot);
763	}
764
765
766	/* static*/ void
767	VBoxDbgStatsModel::destroyNode(PDBGGUISTATSNODE a_pNode)
768	{
769	/* destroy all our children */
770	uint32_t i = a_pNode->cChildren;
771	while (i-- > 0)
772	{
773	destroyNode(a_pNode->papChildren[i]);
774	a_pNode->papChildren[i] = NULL;
775	}
776
777	/* free the resources we're using */
778	a_pNode->pParent = NULL;
779
780	RTMemFree(a_pNode->papChildren);
781	a_pNode->papChildren = NULL;
782
783	if (a_pNode->enmType == STAMTYPE_CALLBACK)
784	{
785	delete a_pNode->Data.pStr;
786	a_pNode->Data.pStr = NULL;
787	}
788
789	a_pNode->cChildren = 0;
790	a_pNode->iSelf = UINT32_MAX;
791	a_pNode->enmUnit = STAMUNIT_INVALID;
792	a_pNode->enmType = STAMTYPE_INVALID;
793
794	RTMemFree(a_pNode->pszName);
795	a_pNode->pszName = NULL;
796
797	if (a_pNode->pDescStr)
798	{
799	delete a_pNode->pDescStr;
800	a_pNode->pDescStr = NULL;
801	}
802
803	#ifdef VBOX_STRICT
804	/* poison it. */
805	a_pNode->pParent++;
806	a_pNode->Data.pStr++;
807	a_pNode->pDescStr++;
808	a_pNode->papChildren++;
809	a_pNode->cChildren = 8442;
810	#endif
811
812	/* Finally ourselves */
813	a_pNode->enmState = kDbgGuiStatsNodeState_kInvalid;
814	RTMemFree(a_pNode);
815	}
816
817
818	/static/ PDBGGUISTATSNODE
819	VBoxDbgStatsModel::createRootNode(void)
820	{
821	PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE));
822	if (!pRoot)
823	return NULL;
824	pRoot->iSelf = 0;
825	pRoot->enmType = STAMTYPE_INVALID;
826	pRoot->enmUnit = STAMUNIT_INVALID;
827	pRoot->pszName = (char *)RTMemDup("/", sizeof("/"));
828	pRoot->cchName = 1;
829	pRoot->enmState = kDbgGuiStatsNodeState_kRoot;
830
831	return pRoot;
832	}
833
834
835	/static/ PDBGGUISTATSNODE
836	VBoxDbgStatsModel::createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition)
837	{
838	/*
839	* Create it.
840	*/
841	PDBGGUISTATSNODE pNode = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE));
842	if (!pNode)
843	return NULL;
844	pNode->iSelf = UINT32_MAX;
845	pNode->enmType = STAMTYPE_INVALID;
846	pNode->enmUnit = STAMUNIT_INVALID;
847	pNode->pszName = (char *)RTMemDupEx(pszName, cchName, 1);
848	pNode->cchName = cchName;
849	pNode->enmState = kDbgGuiStatsNodeState_kVisible;
850
851	/*
852	* Do we need to expand the array?
853	*/
854	if (!(pParent->cChildren & 31))
855	{
856	void pvNew = RTMemRealloc(pParent->papChildren, sizeof(pParent->papChildren) * (pParent->cChildren + 32));
857	if (!pvNew)
858	{
859	destroyNode(pNode);
860	return NULL;
861	}
862	pParent->papChildren = (PDBGGUISTATSNODE *)pvNew;
863	}
864
865	/*
866	* Insert it.
867	*/
868	pNode->pParent = pParent;
869	if (iPosition >= pParent->cChildren)
870	/* Last. */
871	iPosition = pParent->cChildren;
872	else
873	{
874	/* Shift all the items after ours. */
875	uint32_t iShift = pParent->cChildren;
876	while (iShift-- > iPosition)
877	{
878	PDBGGUISTATSNODE pChild = pParent->papChildren[iShift];
879	pParent->papChildren[iShift + 1] = pChild;
880	pChild->iSelf = iShift + 1;
881	}
882	}
883
884	/* Insert ours */
885	pNode->iSelf = iPosition;
886	pParent->papChildren[iPosition] = pNode;
887	pParent->cChildren++;
888
889	return pNode;
890	}
891
892
893	PDBGGUISTATSNODE
894	VBoxDbgStatsModel::createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition)
895	{
896	PDBGGUISTATSNODE pNode;
897	if (m_fUpdateInsertRemove)
898	pNode = createAndInsertNode(pParent, pszName, cchName, iPosition);
899	else
900	{
901	beginInsertRows(createIndex(pParent->iSelf, 0, pParent), 0, 0);
902	pNode = createAndInsertNode(pParent, pszName, cchName, iPosition);
903	endInsertRows();
904	}
905	return pNode;
906	}
907
908	/static/ PDBGGUISTATSNODE
909	VBoxDbgStatsModel::removeNode(PDBGGUISTATSNODE pNode)
910	{
911	PDBGGUISTATSNODE pParent = pNode->pParent;
912	if (pParent)
913	{
914	uint32_t iPosition = pNode->iSelf;
915	Assert(pParent->papChildren[iPosition] == pNode);
916	uint32_t const cChildren = --pParent->cChildren;
917	for (; iPosition < cChildren; iPosition++)
918	{
919	PDBGGUISTATSNODE pChild = pParent->papChildren[iPosition + 1];
920	pParent->papChildren[iPosition] = pChild;
921	pChild->iSelf = iPosition;
922	}
923	#ifdef VBOX_STRICT /* poison */
924	pParent->papChildren[iPosition] = (PDBGGUISTATSNODE)0x42;
925	#endif
926	}
927	return pNode;
928	}
929
930
931	/static/ void
932	VBoxDbgStatsModel::removeAndDestroyNode(PDBGGUISTATSNODE pNode)
933	{
934	removeNode(pNode);
935	destroyNode(pNode);
936	}
937
938
939	void
940	VBoxDbgStatsModel::removeAndDestroy(PDBGGUISTATSNODE pNode)
941	{
942	if (m_fUpdateInsertRemove)
943	removeAndDestroyNode(pNode);
944	else
945	{
946	/*
947	* Removing is fun since the docs are imprecise as to how persistent
948	* indexes are updated (or aren't). So, let try a few different ideas
949	* and see which works.
950	*/
951	#if 1
952	/* destroy the children first with the appropriate begin/endRemoveRows signals. */
953	DBGGUISTATSSTACK Stack;
954	Stack.a[0].pNode = pNode;
955	Stack.a[0].iChild = -1;
956	Stack.iTop = 0;
957	while (Stack.iTop >= 0)
958	{
959	/* get top element */
960	PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode;
961	uint32_t iChild = ++Stack.a[Stack.iTop].iChild;
962	if (iChild < pNode->cChildren)
963	{
964	/* push */
965	Stack.iTop++;
966	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
967	Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild];
968	Stack.a[Stack.iTop].iChild = 0;
969	}
970	else
971	{
972	/* pop and destroy all the children. */
973	Stack.iTop--;
974	uint32_t i = pNode->cChildren;
975	if (i)
976	{
977	beginRemoveRows(createIndex(pNode->iSelf, 0, pNode), 0, i - 1);
978	while (i-- > 0)
979	destroyNode(pNode->papChildren[i]);
980	pNode->cChildren = 0;
981	endRemoveRows();
982	}
983	}
984	}
985	Assert(!pNode->cChildren);
986
987	/* finally the node it self. */
988	PDBGGUISTATSNODE pParent = pNode->pParent;
989	beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf);
990	removeAndDestroyNode(pNode);
991	endRemoveRows();
992
993	#elif 0
994	/* This ain't working, leaves invalid indexes behind. */
995	PDBGGUISTATSNODE pParent = pNode->pParent;
996	beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf);
997	removeAndDestroyNode(pNode);
998	endRemoveRows();
999	#else
1000	/* Force reset() of the model after the update. */
1001	m_fUpdateInsertRemove = true;
1002	removeAndDestroyNode(pNode);
1003	#endif
1004	}
1005	}
1006
1007
1008	/static/ void
1009	VBoxDbgStatsModel::resetNode(PDBGGUISTATSNODE pNode)
1010	{
1011	/* free and reinit the data. */
1012	if (pNode->enmType == STAMTYPE_CALLBACK)
1013	{
1014	delete pNode->Data.pStr;
1015	pNode->Data.pStr = NULL;
1016	}
1017	pNode->enmType = STAMTYPE_INVALID;
1018
1019	/* free the description. */
1020	if (pNode->pDescStr)
1021	{
1022	delete pNode->pDescStr;
1023	pNode->pDescStr = NULL;
1024	}
1025	}
1026
1027
1028	/static/ int
1029	VBoxDbgStatsModel::initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc)
1030	{
1031	/*
1032	* Copy the data.
1033	*/
1034	pNode->enmUnit = enmUnit;
1035	Assert(pNode->enmType == STAMTYPE_INVALID);
1036	pNode->enmType = enmType;
1037	if (pszDesc)
1038	pNode->pDescStr = new QString(pszDesc); /* ignore allocation failure (well, at least up to the point we can ignore it) */
1039
1040	switch (enmType)
1041	{
1042	case STAMTYPE_COUNTER:
1043	pNode->Data.Counter = *(PSTAMCOUNTER)pvSample;
1044	break;
1045
1046	case STAMTYPE_PROFILE:
1047	case STAMTYPE_PROFILE_ADV:
1048	pNode->Data.Profile = *(PSTAMPROFILE)pvSample;
1049	break;
1050
1051	case STAMTYPE_RATIO_U32:
1052	case STAMTYPE_RATIO_U32_RESET:
1053	pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample;
1054	break;
1055
1056	case STAMTYPE_CALLBACK:
1057	{
1058	const char pszString = (const char )pvSample;
1059	pNode->Data.pStr = new QString(pszString);
1060	break;
1061	}
1062
1063	case STAMTYPE_U8:
1064	case STAMTYPE_U8_RESET:
1065	case STAMTYPE_X8:
1066	case STAMTYPE_X8_RESET:
1067	pNode->Data.u8 = (uint8_t )pvSample;
1068	break;
1069
1070	case STAMTYPE_U16:
1071	case STAMTYPE_U16_RESET:
1072	case STAMTYPE_X16:
1073	case STAMTYPE_X16_RESET:
1074	pNode->Data.u16 = (uint16_t )pvSample;
1075	break;
1076
1077	case STAMTYPE_U32:
1078	case STAMTYPE_U32_RESET:
1079	case STAMTYPE_X32:
1080	case STAMTYPE_X32_RESET:
1081	pNode->Data.u32 = (uint32_t )pvSample;
1082	break;
1083
1084	case STAMTYPE_U64:
1085	case STAMTYPE_U64_RESET:
1086	case STAMTYPE_X64:
1087	case STAMTYPE_X64_RESET:
1088	pNode->Data.u64 = (uint64_t )pvSample;
1089	break;
1090
1091	case STAMTYPE_BOOL:
1092	case STAMTYPE_BOOL_RESET:
1093	pNode->Data.f = (bool )pvSample;
1094	break;
1095
1096	default:
1097	AssertMsgFailed(("%d\n", enmType));
1098	break;
1099	}
1100
1101	return VINF_SUCCESS;
1102	}
1103
1104
1105
1106
1107	/static/ void
1108	VBoxDbgStatsModel::updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc)
1109	{
1110
1111	/*
1112	* Reset and init the node if the type changed.
1113	*/
1114	if (enmType != pNode->enmType)
1115	{
1116	if (pNode->enmType != STAMTYPE_INVALID)
1117	resetNode(pNode);
1118	initNode(pNode, enmType, pvSample, enmUnit, pszDesc);
1119	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1120	}
1121	else
1122	{
1123	/*
1124	* ASSUME that only the sample value will change and that the unit, visibility
1125	* and description remains the same.
1126	*/
1127
1128	int64_t iDelta;
1129	switch (enmType)
1130	{
1131	case STAMTYPE_COUNTER:
1132	{
1133	uint64_t cPrev = pNode->Data.Counter.c;
1134	pNode->Data.Counter = *(PSTAMCOUNTER)pvSample;
1135	iDelta = pNode->Data.Counter.c - cPrev;
1136	if (iDelta \|\| pNode->i64Delta)
1137	{
1138	pNode->i64Delta = iDelta;
1139	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1140	}
1141	break;
1142	}
1143
1144	case STAMTYPE_PROFILE:
1145	case STAMTYPE_PROFILE_ADV:
1146	{
1147	uint64_t cPrevPeriods = pNode->Data.Profile.cPeriods;
1148	pNode->Data.Profile = *(PSTAMPROFILE)pvSample;
1149	iDelta = pNode->Data.Profile.cPeriods - cPrevPeriods;
1150	if (iDelta \|\| pNode->i64Delta)
1151	{
1152	pNode->i64Delta = iDelta;
1153	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1154	}
1155	break;
1156	}
1157
1158	case STAMTYPE_RATIO_U32:
1159	case STAMTYPE_RATIO_U32_RESET:
1160	{
1161	STAMRATIOU32 Prev = pNode->Data.RatioU32;
1162	pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample;
1163	int32_t iDeltaA = pNode->Data.RatioU32.u32A - Prev.u32A;
1164	int32_t iDeltaB = pNode->Data.RatioU32.u32B - Prev.u32B;
1165	if (iDeltaA == 0 && iDeltaB == 0)
1166	{
1167	if (pNode->i64Delta)
1168	{
1169	pNode->i64Delta = 0;
1170	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1171	}
1172	}
1173	else
1174	{
1175	if (iDeltaA >= 0)
1176	pNode->i64Delta = iDeltaA + (iDeltaB >= 0 ? iDeltaB : -iDeltaB);
1177	else
1178	pNode->i64Delta = iDeltaA + (iDeltaB < 0 ? iDeltaB : -iDeltaB);
1179	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1180	}
1181	break;
1182	}
1183
1184	case STAMTYPE_CALLBACK:
1185	{
1186	const char pszString = (const char )pvSample;
1187	if (!pNode->Data.pStr)
1188	{
1189	pNode->Data.pStr = new QString(pszString);
1190	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1191	}
1192	else if (*pNode->Data.pStr == pszString)
1193	{
1194	delete pNode->Data.pStr;
1195	pNode->Data.pStr = new QString(pszString);
1196	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1197	}
1198	break;
1199	}
1200
1201	case STAMTYPE_U8:
1202	case STAMTYPE_U8_RESET:
1203	case STAMTYPE_X8:
1204	case STAMTYPE_X8_RESET:
1205	{
1206	uint8_t uPrev = pNode->Data.u8;
1207	pNode->Data.u8 = (uint8_t )pvSample;
1208	iDelta = (int32_t)pNode->Data.u8 - (int32_t)uPrev;
1209	if (iDelta \|\| pNode->i64Delta)
1210	{
1211	pNode->i64Delta = iDelta;
1212	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1213	}
1214	break;
1215	}
1216
1217	case STAMTYPE_U16:
1218	case STAMTYPE_U16_RESET:
1219	case STAMTYPE_X16:
1220	case STAMTYPE_X16_RESET:
1221	{
1222	uint16_t uPrev = pNode->Data.u16;
1223	pNode->Data.u16 = (uint16_t )pvSample;
1224	iDelta = (int32_t)pNode->Data.u16 - (int32_t)uPrev;
1225	if (iDelta \|\| pNode->i64Delta)
1226	{
1227	pNode->i64Delta = iDelta;
1228	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1229	}
1230	break;
1231	}
1232
1233	case STAMTYPE_U32:
1234	case STAMTYPE_U32_RESET:
1235	case STAMTYPE_X32:
1236	case STAMTYPE_X32_RESET:
1237	{
1238	uint32_t uPrev = pNode->Data.u32;
1239	pNode->Data.u32 = (uint32_t )pvSample;
1240	iDelta = (int64_t)pNode->Data.u32 - (int64_t)uPrev;
1241	if (iDelta \|\| pNode->i64Delta)
1242	{
1243	pNode->i64Delta = iDelta;
1244	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1245	}
1246	break;
1247	}
1248
1249	case STAMTYPE_U64:
1250	case STAMTYPE_U64_RESET:
1251	case STAMTYPE_X64:
1252	case STAMTYPE_X64_RESET:
1253	{
1254	uint64_t uPrev = pNode->Data.u64;
1255	pNode->Data.u64 = (uint64_t )pvSample;
1256	iDelta = pNode->Data.u64 - uPrev;
1257	if (iDelta \|\| pNode->i64Delta)
1258	{
1259	pNode->i64Delta = iDelta;
1260	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1261	}
1262	break;
1263	}
1264
1265	case STAMTYPE_BOOL:
1266	case STAMTYPE_BOOL_RESET:
1267	{
1268	bool fPrev = pNode->Data.f;
1269	pNode->Data.f = (bool )pvSample;
1270	iDelta = pNode->Data.f - fPrev;
1271	if (iDelta \|\| pNode->i64Delta)
1272	{
1273	pNode->i64Delta = iDelta;
1274	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1275	}
1276	break;
1277	}
1278
1279	default:
1280	AssertMsgFailed(("%d\n", enmType));
1281	break;
1282	}
1283	}
1284	}
1285
1286
1287	/static/ ssize_t
1288	VBoxDbgStatsModel::getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch)
1289	{
1290	ssize_t off;
1291	if (!pNode->pParent)
1292	{
1293	/* root - don't add it's slash! */
1294	AssertReturn(cch >= 1, -1);
1295	off = 0;
1296	*psz = '\0';
1297	}
1298	else
1299	{
1300	cch -= pNode->cchName + 1;
1301	AssertReturn(cch > 0, -1);
1302	off = getNodePath(pNode->pParent, psz, cch);
1303	if (off >= 0)
1304	{
1305	psz[off++] = '/';
1306	memcpy(&psz[off], pNode->pszName, pNode->cchName + 1);
1307	off += pNode->cchName;
1308	}
1309	}
1310	return off;
1311	}
1312
1313
1314	/static/ bool
1315	VBoxDbgStatsModel::isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant)
1316	{
1317	while (pDescendant)
1318	{
1319	pDescendant = pDescendant->pParent;
1320	if (pDescendant == pAncestor)
1321	return true;
1322	}
1323	return false;
1324	}
1325
1326
1327	/static/ PDBGGUISTATSNODE
1328	VBoxDbgStatsModel::nextNode(PDBGGUISTATSNODE pNode)
1329	{
1330	if (!pNode)
1331	return NULL;
1332
1333	/* descend to children. */
1334	if (pNode->cChildren)
1335	return pNode->papChildren[0];
1336
1337	PDBGGUISTATSNODE pParent = pNode->pParent;
1338	if (!pParent)
1339	return NULL;
1340
1341	/* next sibling. */
1342	if (pNode->iSelf + 1 < pNode->pParent->cChildren)
1343	return pParent->papChildren[pNode->iSelf + 1];
1344
1345	/* ascend and advanced to a parent's sibiling. */
1346	for (;;)
1347	{
1348	uint32_t iSelf = pParent->iSelf;
1349	pParent = pParent->pParent;
1350	if (!pParent)
1351	return NULL;
1352	if (iSelf + 1 < pParent->cChildren)
1353	return pParent->papChildren[iSelf + 1];
1354	}
1355	}
1356
1357
1358	/static/ PDBGGUISTATSNODE
1359	VBoxDbgStatsModel::nextDataNode(PDBGGUISTATSNODE pNode)
1360	{
1361	do
1362	pNode = nextNode(pNode);
1363	while ( pNode
1364	&& pNode->enmType == STAMTYPE_INVALID);
1365	return pNode;
1366	}
1367
1368
1369	/static/ PDBGGUISTATSNODE
1370	VBoxDbgStatsModel::prevNode(PDBGGUISTATSNODE pNode)
1371	{
1372	if (!pNode)
1373	return NULL;
1374	PDBGGUISTATSNODE pParent = pNode->pParent;
1375	if (!pParent)
1376	return NULL;
1377
1378	/* previous sibling's latest descendant (better expression anyone?). */
1379	if (pNode->iSelf > 0)
1380	{
1381	pNode = pParent->papChildren[pNode->iSelf - 1];
1382	while (pNode->cChildren)
1383	pNode = pNode->papChildren[pNode->cChildren - 1];
1384	return pNode;
1385	}
1386
1387	/* ascend to the parent. */
1388	return pParent;
1389	}
1390
1391
1392	/static/ PDBGGUISTATSNODE
1393	VBoxDbgStatsModel::prevDataNode(PDBGGUISTATSNODE pNode)
1394	{
1395	do
1396	pNode = prevNode(pNode);
1397	while ( pNode
1398	&& pNode->enmType == STAMTYPE_INVALID);
1399	return pNode;
1400	}
1401
1402
1403	#if 0
1404	/static/ PDBGGUISTATSNODE
1405	VBoxDbgStatsModel::createNewTree(IMachineDebugger *a_pIMachineDebugger)
1406	{
1407	/** @todo */
1408	return NULL;
1409	}
1410	#endif
1411
1412
1413	#if 0
1414	/static/ PDBGGUISTATSNODE
1415	VBoxDbgStatsModel::createNewTree(const char *pszFilename)
1416	{
1417	/** @todo */
1418	return NULL;
1419	}
1420	#endif
1421
1422
1423	#if 0
1424	/static/ PDBGGUISTATSNODE
1425	VBoxDbgStatsModel::createDiffTree(PDBGGUISTATSNODE pTree1, PDBGGUISTATSNODE pTree2)
1426	{
1427	/** @todo */
1428	return NULL;
1429	}
1430	#endif
1431
1432
1433	PDBGGUISTATSNODE
1434	VBoxDbgStatsModel::updateCallbackHandleOutOfOrder(const char *pszName)
1435	{
1436	/*
1437	* We might be inserting a new node between pPrev and pNode
1438	* or we might be removing one or more nodes. Either case is
1439	* handled in the same rough way.
1440	*
1441	* Might consider optimizing insertion at some later point since this
1442	* is a normal occurrence (dynamic statistics in PATM, IOM, MM, ++).
1443	*/
1444	Assert(pszName[0] == '/');
1445	Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/');
1446
1447	/*
1448	* Start with the current parent node and look for a common ancestor
1449	* hoping that this is faster than going from the root (saves lookup).
1450	*/
1451	PDBGGUISTATSNODE pNode = m_pUpdateParent->papChildren[m_iUpdateChild];
1452	PDBGGUISTATSNODE const pPrev = prevDataNode(pNode);
1453	pNode = pNode->pParent;
1454	while (pNode != m_pRoot)
1455	{
1456	if (!strncmp(pszName, m_szUpdateParent, m_cchUpdateParent))
1457	break;
1458	Assert(m_cchUpdateParent > pNode->cchName);
1459	m_cchUpdateParent -= pNode->cchName + 1;
1460	m_szUpdateParent[m_cchUpdateParent] = '\0';
1461	pNode = pNode->pParent;
1462	}
1463	Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/');
1464
1465	/*
1466	* Descend until we've found/created the node pszName indicates,
1467	* modifying m_szUpdateParent as we go along.
1468	*/
1469	while (pszName[m_cchUpdateParent - 1] == '/')
1470	{
1471	/* Find the end of this component. */
1472	const char *const pszSubName = &pszName[m_cchUpdateParent];
1473	const char *pszEnd = strchr(pszSubName, '/');
1474	if (!pszEnd)
1475	pszEnd = strchr(pszSubName, '\0');
1476	size_t cchSubName = pszEnd - pszSubName;
1477
1478	/* Add the name to the path. */
1479	memcpy(&m_szUpdateParent[m_cchUpdateParent], pszSubName, cchSubName);
1480	m_cchUpdateParent += cchSubName;
1481	m_szUpdateParent[m_cchUpdateParent++] = '/';
1482	m_szUpdateParent[m_cchUpdateParent] = '\0';
1483	Assert(m_cchUpdateParent < sizeof(m_szUpdateParent));
1484
1485	if (!pNode->cChildren)
1486	{
1487	/* first child */
1488	pNode = createAndInsert(pNode, pszSubName, cchSubName, 0);
1489	AssertReturn(pNode, NULL);
1490	}
1491	else
1492	{
1493	/* binary search. */
1494	int32_t iStart = 0;
1495	int32_t iLast = pNode->cChildren - 1;
1496	for (;;)
1497	{
1498	int32_t i = iStart + (iLast + 1 - iStart) / 2;
1499	int iDiff;
1500	size_t const cchCompare = RT_MIN(pNode->papChildren[i]->cchName, cchSubName);
1501	iDiff = memcmp(pszSubName, pNode->papChildren[i]->pszName, cchCompare);
1502	if (!iDiff)
1503	iDiff = cchSubName == cchCompare ? 0 : cchSubName > cchCompare ? 1 : -1;
1504	if (iDiff > 0)
1505	{
1506	iStart = i + 1;
1507	if (iStart > iLast)
1508	{
1509	pNode = createAndInsert(pNode, pszSubName, cchSubName, iStart);
1510	AssertReturn(pNode, NULL);
1511	break;
1512	}
1513	}
1514	else if (iDiff < 0)
1515	{
1516	iLast = i - 1;
1517	if (iLast < iStart)
1518	{
1519	pNode = createAndInsert(pNode, pszSubName, cchSubName, i);
1520	AssertReturn(pNode, NULL);
1521	break;
1522	}
1523	}
1524	else
1525	{
1526	pNode = pNode->papChildren[i];
1527	break;
1528	}
1529	}
1530	}
1531	}
1532	Assert( !memcmp(pszName, m_szUpdateParent, m_cchUpdateParent - 2)
1533	&& pszName[m_cchUpdateParent - 1] == '\0');
1534
1535	/*
1536	* Remove all the nodes between pNode and pPrev but keep all
1537	* of pNode's ancestors (or it'll get orphaned).
1538	*/
1539	PDBGGUISTATSNODE pCur = prevNode(pNode);
1540	while (pCur != pPrev)
1541	{
1542	PDBGGUISTATSNODE pAdv = prevNode(pCur); Assert(pAdv \|\| !pPrev);
1543	if (!isNodeAncestorOf(pCur, pNode))
1544	{
1545	Assert(pCur != m_pRoot);
1546	removeAndDestroy(pCur);
1547	}
1548	pCur = pAdv;
1549	}
1550
1551	/*
1552	* Remove the data from all ancestors of pNode that it doesn't
1553	* share them pPrev.
1554	*/
1555	if (pPrev)
1556	{
1557	pCur = pNode->pParent;
1558	while (!isNodeAncestorOf(pCur, pPrev))
1559	{
1560	resetNode(pNode);
1561	pCur = pCur->pParent;
1562	}
1563	}
1564
1565	/*
1566	* Finally, adjust the globals (szUpdateParent is one level too deep).
1567	*/
1568	Assert(m_cchUpdateParent > pNode->cchName + 1);
1569	m_cchUpdateParent -= pNode->cchName + 1;
1570	m_szUpdateParent[m_cchUpdateParent] = '\0';
1571	m_pUpdateParent = pNode->pParent;
1572	m_iUpdateChild = pNode->iSelf;
1573
1574	return pNode;
1575	}
1576
1577
1578	PDBGGUISTATSNODE
1579	VBoxDbgStatsModel::updateCallbackHandleTail(const char *pszName)
1580	{
1581	/*
1582	* Insert it at the end of the tree.
1583	*
1584	* Do the same as we're doing down in createNewTreeCallback, walk from the
1585	* root and create whatever we need.
1586	*/
1587	AssertReturn(*pszName == '/' && pszName[1] != '/', NULL);
1588	PDBGGUISTATSNODE pNode = m_pRoot;
1589	const char *pszCur = pszName + 1;
1590	while (*pszCur)
1591	{
1592	/* Find the end of this component. */
1593	const char *pszNext = strchr(pszCur, '/');
1594	if (!pszNext)
1595	pszNext = strchr(pszCur, '\0');
1596	size_t cchCur = pszNext - pszCur;
1597
1598	/* Create it if it doesn't exist (it will be last if it exists). */
1599	if ( !pNode->cChildren
1600	\|\| strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur)
1601	\|\| pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur])
1602	{
1603	pNode = createAndInsert(pNode, pszCur, pszNext - pszCur, pNode->cChildren);
1604	AssertReturn(pNode, NULL);
1605	}
1606	else
1607	pNode = pNode->papChildren[pNode->cChildren - 1];
1608
1609	/* Advance */
1610	pszCur = *pszNext ? pszNext + 1 : pszNext;
1611	}
1612
1613	return pNode;
1614	}
1615
1616
1617	void
1618	VBoxDbgStatsModel::updateCallbackAdvance(PDBGGUISTATSNODE pNode)
1619	{
1620	/*
1621	* Advance to the next node with data.
1622	*
1623	* ASSUMES a leaf must have data and again we're ASSUMING the sorting
1624	* on slash separated sub-strings.
1625	*/
1626	if (m_iUpdateChild != UINT32_MAX)
1627	{
1628	#ifdef VBOX_STRICT
1629	PDBGGUISTATSNODE const pCorrectNext = nextDataNode(pNode);
1630	#endif
1631	PDBGGUISTATSNODE pParent = pNode->pParent;
1632	if (pNode->cChildren)
1633	{
1634	/* descend to the first child. */
1635	Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent));
1636	memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName);
1637	m_cchUpdateParent += pNode->cchName;
1638	m_szUpdateParent[m_cchUpdateParent++] = '/';
1639	m_szUpdateParent[m_cchUpdateParent] = '\0';
1640
1641	pNode = pNode->papChildren[0];
1642	}
1643	else if (pNode->iSelf + 1 < pParent->cChildren)
1644	{
1645	/* next sibling or one if its descendants. */
1646	Assert(m_pUpdateParent == pParent);
1647	pNode = pParent->papChildren[pNode->iSelf + 1];
1648	}
1649	else
1650	{
1651	/* move up and down- / on-wards */
1652	for (;;)
1653	{
1654	/* ascend */
1655	pNode = pParent;
1656	pParent = pParent->pParent;
1657	if (!pParent)
1658	{
1659	Assert(pNode == m_pRoot);
1660	m_iUpdateChild = UINT32_MAX;
1661	m_szUpdateParent[0] = '\0';
1662	m_cchUpdateParent = 0;
1663	m_pUpdateParent = NULL;
1664	break;
1665	}
1666	Assert(m_cchUpdateParent > pNode->cchName + 1);
1667	m_cchUpdateParent -= pNode->cchName + 1;
1668
1669	/* try advance */
1670	if (pNode->iSelf + 1 < pParent->cChildren)
1671	{
1672	pNode = pParent->papChildren[pNode->iSelf + 1];
1673	m_szUpdateParent[m_cchUpdateParent] = '\0';
1674	break;
1675	}
1676	}
1677	}
1678
1679	/* descend to a node containing data and finalize the globals. (ASSUMES leaf has data.) */
1680	if (m_iUpdateChild != UINT32_MAX)
1681	{
1682	while ( pNode->enmType == STAMTYPE_INVALID
1683	&& pNode->cChildren > 0)
1684	{
1685	Assert(pNode->enmState == kDbgGuiStatsNodeState_kVisible);
1686
1687	Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent));
1688	memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName);
1689	m_cchUpdateParent += pNode->cchName;
1690	m_szUpdateParent[m_cchUpdateParent++] = '/';
1691	m_szUpdateParent[m_cchUpdateParent] = '\0';
1692
1693	pNode = pNode->papChildren[0];
1694	}
1695	Assert(pNode->enmType != STAMTYPE_INVALID);
1696	m_iUpdateChild = pNode->iSelf;
1697	m_pUpdateParent = pNode->pParent;
1698	Assert(pNode == pCorrectNext);
1699	}
1700	}
1701	/* else: we're at the end */
1702	}
1703
1704
1705	/static/ DECLCALLBACK(int)
1706	VBoxDbgStatsModel::updateCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
1707	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser)
1708	{
1709	VBoxDbgStatsModelVM pThis = (VBoxDbgStatsModelVM )pvUser;
1710	Log3(("updateCallback: %s\n", pszName));
1711
1712	/*
1713	* Skip the ones which shouldn't be visible in the GUI.
1714	*/
1715	if (enmVisibility == STAMVISIBILITY_NOT_GUI)
1716	return 0;
1717
1718	/*
1719	* The default assumption is that nothing has changed.
1720	* For now we'll reset the model when ever something changes.
1721	*/
1722	PDBGGUISTATSNODE pNode;
1723	if (pThis->m_iUpdateChild != UINT32_MAX)
1724	{
1725	pNode = pThis->m_pUpdateParent->papChildren[pThis->m_iUpdateChild];
1726	if ( !strncmp(pszName, pThis->m_szUpdateParent, pThis->m_cchUpdateParent)
1727	&& !strcmp(pszName + pThis->m_cchUpdateParent, pNode->pszName))
1728	/* got it! */;
1729	else
1730	{
1731	/* insert/remove */
1732	pNode = pThis->updateCallbackHandleOutOfOrder(pszName);
1733	if (!pNode)
1734	return VERR_NO_MEMORY;
1735	}
1736	}
1737	else
1738	{
1739	/* append */
1740	pNode = pThis->updateCallbackHandleTail(pszName);
1741	if (!pNode)
1742	return VERR_NO_MEMORY;
1743	}
1744
1745	/*
1746	* Perform the update and advance to the next one.
1747	*/
1748	updateNode(pNode, enmType, pvSample, enmUnit, pszDesc);
1749	pThis->updateCallbackAdvance(pNode);
1750
1751	return VINF_SUCCESS;
1752	}
1753
1754
1755	bool
1756	VBoxDbgStatsModel::updatePrepare(void)
1757	{
1758	/*
1759	* Find the first child with data and set it up as the 'next'
1760	* node to be updated.
1761	*/
1762	Assert(m_pRoot);
1763	Assert(m_pRoot->enmType == STAMTYPE_INVALID);
1764	PDBGGUISTATSNODE pFirst = nextDataNode(m_pRoot);
1765	if (pFirst)
1766	{
1767	m_iUpdateChild = pFirst->iSelf;
1768	m_pUpdateParent = pFirst->pParent; Assert(m_pUpdateParent);
1769	m_cchUpdateParent = getNodePath(m_pUpdateParent, m_szUpdateParent, sizeof(m_szUpdateParent) - 1);
1770	AssertReturn(m_cchUpdateParent >= 1, false);
1771	m_szUpdateParent[m_cchUpdateParent++] = '/';
1772	m_szUpdateParent[m_cchUpdateParent] = '\0';
1773	}
1774	else
1775	{
1776	m_iUpdateChild = UINT32_MAX;
1777	m_pUpdateParent = NULL;
1778	m_szUpdateParent[0] = '\0';
1779	m_cchUpdateParent = 0;
1780	}
1781
1782	/*
1783	* Set the flag and signal possible layout change.
1784	*/
1785	m_fUpdateInsertRemove = false;
1786	/* emit layoutAboutToBeChanged(); - debug this, it gets stuck... */
1787	return true;
1788	}
1789
1790
1791	bool
1792	VBoxDbgStatsModel::updateDone(bool a_fSuccess)
1793	{
1794	/*
1795	* Remove any nodes following the last in the update (unless the update failed).
1796	*/
1797	if ( a_fSuccess
1798	&& m_iUpdateChild != UINT32_MAX)
1799	{
1800	PDBGGUISTATSNODE const pLast = prevDataNode(m_pUpdateParent->papChildren[m_iUpdateChild]);
1801	if (!pLast)
1802	{
1803	/* nuking the whole tree. */
1804	setRootNode(createRootNode());
1805	m_fUpdateInsertRemove = true;
1806	}
1807	else
1808	{
1809	PDBGGUISTATSNODE pNode;
1810	while ((pNode = nextNode(pLast)))
1811	{
1812	Assert(pNode != m_pRoot);
1813	removeAndDestroy(pNode);
1814	}
1815	}
1816	}
1817
1818	/*
1819	* We're done making layout changes (if I understood it correctly), so,
1820	* signal this and then see what to do next. If we did too many removals
1821	* we'll just reset the whole shebang.
1822	*/
1823	if (m_fUpdateInsertRemove)
1824	{
1825	/* emit layoutChanged(); - hrmpf, doesn't work reliably... */
1826	reset();
1827	}
1828	else
1829	{
1830	/*
1831	* Send dataChanged events.
1832	*
1833	* We do this here instead of from the updateCallback because it reduces
1834	* the clutter in that method and allow us to emit bulk signals in an
1835	* easier way because we can traverse the tree in a different fashion.
1836	*/
1837	DBGGUISTATSSTACK Stack;
1838	Stack.a[0].pNode = m_pRoot;
1839	Stack.a[0].iChild = -1;
1840	Stack.iTop = 0;
1841
1842	while (Stack.iTop >= 0)
1843	{
1844	/* get top element */
1845	PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode;
1846	uint32_t iChild = ++Stack.a[Stack.iTop].iChild;
1847	if (iChild < pNode->cChildren)
1848	{
1849	/* push */
1850	Stack.iTop++;
1851	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
1852	Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild];
1853	Stack.a[Stack.iTop].iChild = 0;
1854	}
1855	else
1856	{
1857	/* pop */
1858	Stack.iTop--;
1859
1860	/* do the actual work. */
1861	iChild = 0;
1862	while (iChild < pNode->cChildren)
1863	{
1864	/* skip to the first needing updating. */
1865	while ( iChild < pNode->cChildren
1866	&& pNode->papChildren[iChild]->enmState != kDbgGuiStatsNodeState_kRefresh)
1867	iChild++;
1868	if (iChild >= pNode->cChildren)
1869	break;
1870	QModelIndex TopLeft = createIndex(iChild, 0, pNode->papChildren[iChild]);
1871	pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible;
1872
1873	/* any subsequent nodes that also needs refreshing? */
1874	if ( ++iChild < pNode->cChildren
1875	&& pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh)
1876	{
1877	do pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible;
1878	while ( ++iChild < pNode->cChildren
1879	&& pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh);
1880	QModelIndex BottomRight = createIndex(iChild - 1, DBGGUI_STATS_COLUMNS - 1, pNode->papChildren[iChild - 1]);
1881
1882	/* emit the refresh signal */
1883	emit dataChanged(TopLeft, BottomRight);
1884	}
1885	else
1886	{
1887	/* emit the refresh signal */
1888	emit dataChanged(TopLeft, TopLeft);
1889	}
1890	}
1891	}
1892	}
1893	/* emit layoutChanged(); - hrmpf, doesn't work reliably... */
1894	}
1895
1896	return m_fUpdateInsertRemove;
1897	}
1898
1899
1900	bool
1901	VBoxDbgStatsModel::updateStatsByPattern(const QString &a_rPatStr)
1902	{
1903	/* stub */
1904	NOREF(a_rPatStr);
1905	return false;
1906	}
1907
1908
1909	void
1910	VBoxDbgStatsModel::updateStatsByIndex(QModelIndex const &a_rIndex)
1911	{
1912	/** @todo implement this based on updateStatsByPattern. */
1913	NOREF(a_rIndex);
1914	}
1915
1916
1917	void
1918	VBoxDbgStatsModel::resetStatsByPattern(QString const &a_rPatStr)
1919	{
1920	/* stub */
1921	NOREF(a_rPatStr);
1922	}
1923
1924
1925	void
1926	VBoxDbgStatsModel::resetStatsByIndex(QModelIndex const &a_rIndex, bool fSubTree /= true/)
1927	{
1928	PCDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex);
1929	if (pNode == m_pRoot \|\| !a_rIndex.isValid())
1930	{
1931	if (fSubTree)
1932	{
1933	/* everything from the root down. */
1934	resetStatsByPattern(QString());
1935	}
1936	}
1937	else if (pNode)
1938	{
1939	/* the node pattern. */
1940	char szPat[1024+1024+4];
1941	ssize_t cch = getNodePath(pNode, szPat, 1024);
1942	AssertReturnVoid(cch >= 0);
1943
1944	/* the sub-tree pattern. */
1945	if (fSubTree && pNode->cChildren)
1946	{
1947	char *psz = &szPat[cch];
1948	*psz++ = '\|';
1949	memcpy(psz, szPat, cch);
1950	psz += cch;
1951	*psz++ = '/';
1952	psz++ = '';
1953	*psz++ = '\0';
1954	}
1955
1956	resetStatsByPattern(szPat);
1957	}
1958	}
1959
1960
1961	QModelIndex
1962	VBoxDbgStatsModel::getRootIndex(void) const
1963	{
1964	if (!m_pRoot)
1965	return QModelIndex();
1966	return createIndex(0, 0, m_pRoot);
1967	}
1968
1969
1970	void
1971	VBoxDbgStatsModel::setRootNode(PDBGGUISTATSNODE a_pRoot)
1972	{
1973	PDBGGUISTATSNODE pOldTree = m_pRoot;
1974	m_pRoot = a_pRoot;
1975	destroyTree(pOldTree);
1976	reset();
1977	}
1978
1979
1980	Qt::ItemFlags
1981	VBoxDbgStatsModel::flags(const QModelIndex &a_rIndex) const
1982	{
1983	Qt::ItemFlags fFlags = QAbstractItemModel::flags(a_rIndex);
1984	return fFlags;
1985	}
1986
1987
1988	int
1989	VBoxDbgStatsModel::columnCount(const QModelIndex &a_rParent) const
1990	{
1991	NOREF(a_rParent);
1992	return DBGGUI_STATS_COLUMNS;
1993	}
1994
1995
1996	int
1997	VBoxDbgStatsModel::rowCount(const QModelIndex &a_rParent) const
1998	{
1999	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2000	return pParent ? pParent->cChildren : 1 /* root */;
2001	}
2002
2003
2004	bool
2005	VBoxDbgStatsModel::hasChildren(const QModelIndex &a_rParent) const
2006	{
2007	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2008	return pParent ? pParent->cChildren > 0 : true /* root */;
2009	}
2010
2011
2012	QModelIndex
2013	VBoxDbgStatsModel::index(int iRow, int iColumn, const QModelIndex &a_rParent) const
2014	{
2015	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2016	if (!pParent)
2017	{
2018	if ( a_rParent.isValid()
2019	\|\| iRow
2020	\|\| (unsigned)iColumn < DBGGUI_STATS_COLUMNS)
2021	{
2022	Assert(!a_rParent.isValid());
2023	Assert(!iRow);
2024	Assert((unsigned)iColumn < DBGGUI_STATS_COLUMNS);
2025	return QModelIndex();
2026	}
2027
2028	/* root */
2029	return createIndex(0, iColumn, m_pRoot);
2030	}
2031	if ((unsigned)iRow >= pParent->cChildren)
2032	{
2033	Log(("index: iRow=%d >= cChildren=%u (iColumn=%d)\n", iRow, (unsigned)pParent->cChildren, iColumn));
2034	return QModelIndex(); /* bug? */
2035	}
2036	if ((unsigned)iColumn >= DBGGUI_STATS_COLUMNS)
2037	{
2038	Log(("index: iColumn=%d (iRow=%d)\n", iColumn, iRow));
2039	return QModelIndex(); /* bug? */
2040	}
2041	PDBGGUISTATSNODE pChild = pParent->papChildren[iRow];
2042	return createIndex(iRow, iColumn, pChild);
2043	}
2044
2045
2046	QModelIndex
2047	VBoxDbgStatsModel::parent(const QModelIndex &a_rChild) const
2048	{
2049	PDBGGUISTATSNODE pChild = nodeFromIndex(a_rChild);
2050	if (!pChild)
2051	{
2052	Log(("parent: invalid child\n"));
2053	return QModelIndex(); /* bug */
2054	}
2055	PDBGGUISTATSNODE pParent = pChild->pParent;
2056	if (!pParent)
2057	return QModelIndex(); /* ultimate root */
2058
2059	return createIndex(pParent->iSelf, 0, pParent);
2060	}
2061
2062
2063	QVariant
2064	VBoxDbgStatsModel::headerData(int a_iSection, Qt::Orientation a_eOrientation, int a_eRole) const
2065	{
2066	if ( a_eOrientation == Qt::Horizontal
2067	&& a_eRole == Qt::DisplayRole)
2068	switch (a_iSection)
2069	{
2070	case 0: return tr("Name");
2071	case 1: return tr("Unit");
2072	case 2: return tr("Value/Times");
2073	case 3: return tr("Min");
2074	case 4: return tr("Average");
2075	case 5: return tr("Max");
2076	case 6: return tr("Total");
2077	case 7: return tr("dInt");
2078	case 8: return tr("Description");
2079	default:
2080	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2081	return QVariant(); /* bug */
2082	}
2083	else if ( a_eOrientation == Qt::Horizontal
2084	&& a_eRole == Qt::TextAlignmentRole)
2085	switch (a_iSection)
2086	{
2087	case 0:
2088	case 1:
2089	return QVariant();
2090	case 2:
2091	case 3:
2092	case 4:
2093	case 5:
2094	case 6:
2095	case 7:
2096	return (int)(Qt::AlignRight \| Qt::AlignVCenter);
2097	case 8:
2098	return QVariant();
2099	default:
2100	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2101	return QVariant(); /* bug */
2102	}
2103
2104	return QVariant();
2105	}
2106
2107
2108	/static/ QString
2109	VBoxDbgStatsModel::strUnit(PCDBGGUISTATSNODE pNode)
2110	{
2111	if (pNode->enmUnit == STAMUNIT_INVALID)
2112	return "";
2113	return STAMR3GetUnit(pNode->enmUnit);
2114	}
2115
2116
2117	/static/ QString
2118	VBoxDbgStatsModel::strValueTimes(PCDBGGUISTATSNODE pNode)
2119	{
2120	char sz[128];
2121
2122	switch (pNode->enmType)
2123	{
2124	case STAMTYPE_COUNTER:
2125	return formatNumber(sz, pNode->Data.Counter.c);
2126
2127	case STAMTYPE_PROFILE:
2128	case STAMTYPE_PROFILE_ADV:
2129	if (!pNode->Data.Profile.cPeriods)
2130	return "0";
2131	return formatNumber(sz, pNode->Data.Profile.cPeriods);
2132
2133	case STAMTYPE_RATIO_U32:
2134	case STAMTYPE_RATIO_U32_RESET:
2135	{
2136	formatNumber(sz, pNode->Data.RatioU32.u32A);
2137	char *psz = strchr(sz, '\0');
2138	*psz++ = ':';
2139	formatNumber(psz, pNode->Data.RatioU32.u32B);
2140	return psz;
2141	}
2142
2143	case STAMTYPE_CALLBACK:
2144	return *pNode->Data.pStr;
2145
2146	case STAMTYPE_U8:
2147	case STAMTYPE_U8_RESET:
2148	return formatNumber(sz, pNode->Data.u8);
2149
2150	case STAMTYPE_X8:
2151	case STAMTYPE_X8_RESET:
2152	return formatHexNumber(sz, pNode->Data.u8, 2);
2153
2154	case STAMTYPE_U16:
2155	case STAMTYPE_U16_RESET:
2156	return formatNumber(sz, pNode->Data.u16);
2157
2158	case STAMTYPE_X16:
2159	case STAMTYPE_X16_RESET:
2160	return formatHexNumber(sz, pNode->Data.u16, 4);
2161
2162	case STAMTYPE_U32:
2163	case STAMTYPE_U32_RESET:
2164	return formatNumber(sz, pNode->Data.u32);
2165
2166	case STAMTYPE_X32:
2167	case STAMTYPE_X32_RESET:
2168	return formatHexNumber(sz, pNode->Data.u32, 8);
2169
2170	case STAMTYPE_U64:
2171	case STAMTYPE_U64_RESET:
2172	return formatNumber(sz, pNode->Data.u64);
2173
2174	case STAMTYPE_X64:
2175	case STAMTYPE_X64_RESET:
2176	return formatHexNumber(sz, pNode->Data.u64, 16);
2177
2178	case STAMTYPE_BOOL:
2179	case STAMTYPE_BOOL_RESET:
2180	return pNode->Data.f ? "true" : "false";
2181
2182	default:
2183	AssertMsgFailed(("%d\n", pNode->enmType));
2184	case STAMTYPE_INVALID:
2185	return "";
2186	}
2187	}
2188
2189
2190	/static/ QString
2191	VBoxDbgStatsModel::strMinValue(PCDBGGUISTATSNODE pNode)
2192	{
2193	char sz[128];
2194
2195	switch (pNode->enmType)
2196	{
2197	case STAMTYPE_PROFILE:
2198	case STAMTYPE_PROFILE_ADV:
2199	if (!pNode->Data.Profile.cPeriods)
2200	return "0";
2201	return formatNumber(sz, pNode->Data.Profile.cTicksMin);
2202	default:
2203	return "";
2204	}
2205	}
2206
2207
2208	/static/ QString
2209	VBoxDbgStatsModel::strAvgValue(PCDBGGUISTATSNODE pNode)
2210	{
2211	char sz[128];
2212
2213	switch (pNode->enmType)
2214	{
2215	case STAMTYPE_PROFILE:
2216	case STAMTYPE_PROFILE_ADV:
2217	if (!pNode->Data.Profile.cPeriods)
2218	return "0";
2219	return formatNumber(sz, pNode->Data.Profile.cTicks / pNode->Data.Profile.cPeriods);
2220	default:
2221	return "";
2222	}
2223	}
2224
2225
2226	/static/ QString
2227	VBoxDbgStatsModel::strMaxValue(PCDBGGUISTATSNODE pNode)
2228	{
2229	char sz[128];
2230
2231	switch (pNode->enmType)
2232	{
2233	case STAMTYPE_PROFILE:
2234	case STAMTYPE_PROFILE_ADV:
2235	if (!pNode->Data.Profile.cPeriods)
2236	return "0";
2237	return formatNumber(sz, pNode->Data.Profile.cTicksMax);
2238	default:
2239	return "";
2240	}
2241	}
2242
2243
2244	/static/ QString
2245	VBoxDbgStatsModel::strTotalValue(PCDBGGUISTATSNODE pNode)
2246	{
2247	char sz[128];
2248
2249	switch (pNode->enmType)
2250	{
2251	case STAMTYPE_PROFILE:
2252	case STAMTYPE_PROFILE_ADV:
2253	if (!pNode->Data.Profile.cPeriods)
2254	return "0";
2255	return formatNumber(sz, pNode->Data.Profile.cTicks);
2256	default:
2257	return "";
2258	}
2259	}
2260
2261
2262	/static/ QString
2263	VBoxDbgStatsModel::strDeltaValue(PCDBGGUISTATSNODE pNode)
2264	{
2265	char sz[128];
2266
2267	switch (pNode->enmType)
2268	{
2269	case STAMTYPE_PROFILE:
2270	case STAMTYPE_PROFILE_ADV:
2271	if (!pNode->Data.Profile.cPeriods)
2272	return "0";
2273	/* fall thru */
2274	case STAMTYPE_COUNTER:
2275	case STAMTYPE_RATIO_U32:
2276	case STAMTYPE_RATIO_U32_RESET:
2277	case STAMTYPE_U8:
2278	case STAMTYPE_U8_RESET:
2279	case STAMTYPE_X8:
2280	case STAMTYPE_X8_RESET:
2281	case STAMTYPE_U16:
2282	case STAMTYPE_U16_RESET:
2283	case STAMTYPE_X16:
2284	case STAMTYPE_X16_RESET:
2285	case STAMTYPE_U32:
2286	case STAMTYPE_U32_RESET:
2287	case STAMTYPE_X32:
2288	case STAMTYPE_X32_RESET:
2289	case STAMTYPE_U64:
2290	case STAMTYPE_U64_RESET:
2291	case STAMTYPE_X64:
2292	case STAMTYPE_X64_RESET:
2293	case STAMTYPE_BOOL:
2294	case STAMTYPE_BOOL_RESET:
2295	return formatNumberSigned(sz, pNode->i64Delta);
2296	default:
2297	return "";
2298	}
2299	}
2300
2301
2302	QVariant
2303	VBoxDbgStatsModel::data(const QModelIndex &a_rIndex, int a_eRole) const
2304	{
2305	unsigned iCol = a_rIndex.column();
2306	if (iCol >= DBGGUI_STATS_COLUMNS)
2307	return QVariant();
2308
2309	if (a_eRole == Qt::DisplayRole)
2310	{
2311	PDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex);
2312	if (!pNode)
2313	return QVariant();
2314
2315	switch (iCol)
2316	{
2317	case 0:
2318	return QString(pNode->pszName);
2319	case 1:
2320	return strUnit(pNode);
2321	case 2:
2322	return strValueTimes(pNode);
2323	case 3:
2324	return strMinValue(pNode);
2325	case 4:
2326	return strAvgValue(pNode);
2327	case 5:
2328	return strMaxValue(pNode);
2329	case 6:
2330	return strTotalValue(pNode);
2331	case 7:
2332	return strDeltaValue(pNode);
2333	case 8:
2334	return pNode->pDescStr ? QString(*pNode->pDescStr) : QString("");
2335	default:
2336	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2337	return QVariant();
2338	}
2339	}
2340	else if (a_eRole == Qt::TextAlignmentRole)
2341	switch (iCol)
2342	{
2343	case 0:
2344	case 1:
2345	return QVariant();
2346	case 2:
2347	case 3:
2348	case 4:
2349	case 5:
2350	case 6:
2351	case 7:
2352	return (int)(Qt::AlignRight \| Qt::AlignVCenter);
2353	case 8:
2354	return QVariant();
2355	default:
2356	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2357	return QVariant(); /* bug */
2358	}
2359	return QVariant();
2360	}
2361
2362
2363	/static/ void
2364	VBoxDbgStatsModel::stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString)
2365	{
2366	/*
2367	* Get the path, padding it to 32-chars and add it to the string.
2368	*/
2369	char szBuf[1024];
2370	ssize_t off = getNodePath(a_pNode, szBuf, sizeof(szBuf) - 2);
2371	AssertReturnVoid(off >= 0);
2372	if (off < 32)
2373	{
2374	memset(&szBuf[off], ' ', 32 - off);
2375	szBuf[32] = '\0';
2376	off = 32;
2377	}
2378	szBuf[off++] = ' ';
2379	szBuf[off] = '\0';
2380	a_rString += szBuf;
2381
2382	/*
2383	* The following is derived from stamR3PrintOne, except
2384	* we print to szBuf, do no visibility checks and can skip
2385	* the path bit.
2386	*/
2387	switch (a_pNode->enmType)
2388	{
2389	case STAMTYPE_COUNTER:
2390	RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.Counter.c, STAMR3GetUnit(a_pNode->enmUnit));
2391	break;
2392
2393	case STAMTYPE_PROFILE:
2394	case STAMTYPE_PROFILE_ADV:
2395	{
2396	uint64_t u64 = a_pNode->Data.Profile.cPeriods ? a_pNode->Data.Profile.cPeriods : 1;
2397	RTStrPrintf(szBuf, sizeof(szBuf),
2398	"%8llu %s (%12llu ticks, %7llu times, max %9llu, min %7lld)",
2399	a_pNode->Data.Profile.cTicks / u64, STAMR3GetUnit(a_pNode->enmUnit),
2400	a_pNode->Data.Profile.cTicks, a_pNode->Data.Profile.cPeriods, a_pNode->Data.Profile.cTicksMax, a_pNode->Data.Profile.cTicksMin);
2401	break;
2402	}
2403
2404	case STAMTYPE_RATIO_U32:
2405	case STAMTYPE_RATIO_U32_RESET:
2406	RTStrPrintf(szBuf, sizeof(szBuf),
2407	"%8u:%-8u %s",
2408	a_pNode->Data.RatioU32.u32A, a_pNode->Data.RatioU32.u32B, STAMR3GetUnit(a_pNode->enmUnit));
2409	break;
2410
2411	case STAMTYPE_CALLBACK:
2412	if (a_pNode->Data.pStr)
2413	a_rString += *a_pNode->Data.pStr;
2414	RTStrPrintf(szBuf, sizeof(szBuf), " %s", STAMR3GetUnit(a_pNode->enmUnit));
2415	break;
2416
2417	case STAMTYPE_U8:
2418	case STAMTYPE_U8_RESET:
2419	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit));
2420	break;
2421
2422	case STAMTYPE_X8:
2423	case STAMTYPE_X8_RESET:
2424	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit));
2425	break;
2426
2427	case STAMTYPE_U16:
2428	case STAMTYPE_U16_RESET:
2429	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit));
2430	break;
2431
2432	case STAMTYPE_X16:
2433	case STAMTYPE_X16_RESET:
2434	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit));
2435	break;
2436
2437	case STAMTYPE_U32:
2438	case STAMTYPE_U32_RESET:
2439	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit));
2440	break;
2441
2442	case STAMTYPE_X32:
2443	case STAMTYPE_X32_RESET:
2444	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit));
2445	break;
2446
2447	case STAMTYPE_U64:
2448	case STAMTYPE_U64_RESET:
2449	RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit));
2450	break;
2451
2452	case STAMTYPE_X64:
2453	case STAMTYPE_X64_RESET:
2454	RTStrPrintf(szBuf, sizeof(szBuf), "%8llx %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit));
2455	break;
2456
2457	case STAMTYPE_BOOL:
2458	case STAMTYPE_BOOL_RESET:
2459	RTStrPrintf(szBuf, sizeof(szBuf), "%s %s", a_pNode->Data.f ? "true " : "false ", STAMR3GetUnit(a_pNode->enmUnit));
2460	break;
2461
2462	default:
2463	AssertMsgFailed(("enmType=%d\n", a_pNode->enmType));
2464	return;
2465	}
2466
2467	a_rString += szBuf;
2468	}
2469
2470
2471	/static/ void
2472	VBoxDbgStatsModel::stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString)
2473	{
2474	/* this node (if it has data) */
2475	if (a_pNode->enmType != STAMTYPE_INVALID)
2476	{
2477	if (!a_rString.isEmpty())
2478	a_rString += "\n";
2479	stringifyNodeNoRecursion(a_pNode, a_rString);
2480	}
2481
2482	/* the children */
2483	uint32_t const cChildren = a_pNode->cChildren;
2484	for (uint32_t i = 0; i < cChildren; i++)
2485	stringifyNode(a_pNode->papChildren[i], a_rString);
2486	}
2487
2488
2489	void
2490	VBoxDbgStatsModel::stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const
2491	{
2492	PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot;
2493	if (pRoot)
2494	stringifyNode(pRoot, a_rString);
2495	}
2496
2497
2498	void
2499	VBoxDbgStatsModel::copyTreeToClipboard(QModelIndex &a_rRoot) const
2500	{
2501	QString String;
2502	stringifyTree(a_rRoot, String);
2503
2504	QClipboard *pClipboard = QApplication::clipboard();
2505	if (pClipboard)
2506	pClipboard->setText(String, QClipboard::Clipboard);
2507	}
2508
2509
2510	/static/ void
2511	VBoxDbgStatsModel::logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog)
2512	{
2513	/* this node (if it has data) */
2514	if (a_pNode->enmType != STAMTYPE_INVALID)
2515	{
2516	QString SelfStr;
2517	stringifyNodeNoRecursion(a_pNode, SelfStr);
2518	QByteArray SelfByteArray = SelfStr.toUtf8();
2519	if (a_fReleaseLog)
2520	RTLogRelPrintf("%s\n", SelfByteArray.constData());
2521	else
2522	RTLogPrintf("%s\n", SelfByteArray.constData());
2523	}
2524
2525	/* the children */
2526	uint32_t const cChildren = a_pNode->cChildren;
2527	for (uint32_t i = 0; i < cChildren; i++)
2528	logNode(a_pNode->papChildren[i], a_fReleaseLog);
2529	}
2530
2531
2532	void
2533	VBoxDbgStatsModel::logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const
2534	{
2535	PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot;
2536	if (pRoot)
2537	logNode(pRoot, a_fReleaseLog);
2538	}
2539
2540
2541
2542
2543
2544
2545
2546	/*
2547	*
2548	* V B o x D b g S t a t s M o d e l V M
2549	* V B o x D b g S t a t s M o d e l V M
2550	* V B o x D b g S t a t s M o d e l V M
2551	*
2552	*
2553	*/
2554
2555
2556	VBoxDbgStatsModelVM::VBoxDbgStatsModelVM(VBoxDbgGui a_pDbgGui, QString &a_rPatStr, QObject a_pParent)
2557	: VBoxDbgStatsModel(a_pParent), VBoxDbgBase(a_pDbgGui)
2558	{
2559	/*
2560	* Create a model containing the STAM entries matching the pattern.
2561	* (The original idea was to get everything and rely on some hide/visible
2562	* flag that it turned out didn't exist.)
2563	*/
2564	PDBGGUISTATSNODE pTree = createNewTree(a_rPatStr);
2565	setRootNode(pTree);
2566	}
2567
2568
2569	VBoxDbgStatsModelVM::~VBoxDbgStatsModelVM()
2570	{
2571	/* nothing to do here. */
2572	}
2573
2574
2575	bool
2576	VBoxDbgStatsModelVM::updateStatsByPattern(const QString &a_rPatStr)
2577	{
2578	/** @todo the way we update this stuff is independent of the source (XML, file, STAM), our only
2579	* ASSUMPTION is that the input is strictly ordered by (fully slashed) name. So, all this stuff
2580	* should really move up into the parent class. */
2581	bool fRc = updatePrepare();
2582	if (fRc)
2583	{
2584	int rc = stamEnum(a_rPatStr, updateCallback, this);
2585	fRc = updateDone(RT_SUCCESS(rc));
2586	}
2587	return fRc;
2588	}
2589
2590
2591	void
2592	VBoxDbgStatsModelVM::resetStatsByPattern(QString const &a_rPatStr)
2593	{
2594	stamReset(a_rPatStr);
2595	}
2596
2597
2598	/static/ DECLCALLBACK(int)
2599	VBoxDbgStatsModelVM::createNewTreeCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
2600	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser)
2601	{
2602	PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)pvUser;
2603	Log3(("createNewTreeCallback: %s\n", pszName));
2604
2605	/*
2606	* Skip the ones which shouldn't be visible in the GUI.
2607	*/
2608	if (enmVisibility == STAMVISIBILITY_NOT_GUI)
2609	return 0;
2610
2611	/*
2612	* Perform a mkdir -p like operation till we've walked / created the entire path down
2613	* to the node specfied node. Remember the last node as that will be the one we will
2614	* stuff the data into.
2615	*/
2616	AssertReturn(*pszName == '/' && pszName[1] != '/', VERR_INTERNAL_ERROR);
2617	PDBGGUISTATSNODE pNode = pRoot;
2618	const char *pszCur = pszName + 1;
2619	while (*pszCur)
2620	{
2621	/* find the end of this component. */
2622	const char *pszNext = strchr(pszCur, '/');
2623	if (!pszNext)
2624	pszNext = strchr(pszCur, '\0');
2625	size_t cchCur = pszNext - pszCur;
2626
2627	/* Create it if it doesn't exist (it will be last if it exists). */
2628	if ( !pNode->cChildren
2629	\|\| strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur)
2630	\|\| pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur])
2631	{
2632	pNode = createAndInsertNode(pNode, pszCur, pszNext - pszCur, UINT32_MAX);
2633	if (!pNode)
2634	return VERR_NO_MEMORY;
2635	}
2636	else
2637	pNode = pNode->papChildren[pNode->cChildren - 1];
2638
2639	/* Advance */
2640	pszCur = *pszNext ? pszNext + 1 : pszNext;
2641	}
2642
2643	/*
2644	* Save the data.
2645	*/
2646	return initNode(pNode, enmType, pvSample, enmUnit, pszDesc);
2647	}
2648
2649
2650	PDBGGUISTATSNODE
2651	VBoxDbgStatsModelVM::createNewTree(QString &a_rPatStr)
2652	{
2653	PDBGGUISTATSNODE pRoot = createRootNode();
2654	if (pRoot)
2655	{
2656	int rc = stamEnum(a_rPatStr, createNewTreeCallback, pRoot);
2657	if (RT_SUCCESS(rc))
2658	return pRoot;
2659
2660	/* failed, cleanup. */
2661	destroyTree(pRoot);
2662	}
2663
2664	return NULL;
2665	}
2666
2667
2668
2669
2670
2671
2672
2673
2674	/*
2675	*
2676	* V B o x D b g S t a t s V i e w
2677	* V B o x D b g S t a t s V i e w
2678	* V B o x D b g S t a t s V i e w
2679	*
2680	*
2681	*/
2682
2683
2684	VBoxDbgStatsView::VBoxDbgStatsView(VBoxDbgGui a_pDbgGui, VBoxDbgStatsModel a_pModel, VBoxDbgStats a_pParent/ = NULL*/)
2685	: QTreeView(a_pParent), VBoxDbgBase(a_pDbgGui), m_pModel(a_pModel), m_PatStr(), m_pParent(a_pParent),
2686	m_pLeafMenu(NULL), m_pBranchMenu(NULL), m_pViewMenu(NULL), m_pCurMenu(NULL), m_CurIndex()
2687
2688	{
2689	/*
2690	* Set the model and view defaults.
2691	*/
2692	setRootIsDecorated(true);
2693	setModel(m_pModel);
2694	QModelIndex RootIdx = m_pModel->getRootIndex(); /* This should really be QModelIndex(), but Qt on darwin does wrong things then. */
2695	setRootIndex(RootIdx);
2696	setItemsExpandable(true);
2697	setAlternatingRowColors(true);
2698	setSelectionBehavior(SelectRows);
2699	setSelectionMode(SingleSelection);
2700	/// @todo sorting setSortingEnabled(true);
2701
2702	/*
2703	* Create and setup the actions.
2704	*/
2705	m_pExpandAct = new QAction("Expand Tree", this);
2706	m_pCollapseAct = new QAction("Collapse Tree", this);
2707	m_pRefreshAct = new QAction("&Refresh", this);
2708	m_pResetAct = new QAction("Rese&t", this);
2709	m_pCopyAct = new QAction("&Copy", this);
2710	m_pToLogAct = new QAction("To &Log", this);
2711	m_pToRelLogAct = new QAction("T&o Release Log", this);
2712	m_pAdjColumns = new QAction("&Adjust Columns", this);
2713
2714	m_pCopyAct->setShortcut(QKeySequence::Copy);
2715	m_pExpandAct->setShortcut(QKeySequence("Ctrl+E"));
2716	m_pCollapseAct->setShortcut(QKeySequence("Ctrl+D"));
2717	m_pRefreshAct->setShortcut(QKeySequence("Ctrl+R"));
2718	m_pResetAct->setShortcut(QKeySequence("Alt+R"));
2719	m_pToLogAct->setShortcut(QKeySequence("Ctrl+Z"));
2720	m_pToRelLogAct->setShortcut(QKeySequence("Alt+Z"));
2721	m_pAdjColumns->setShortcut(QKeySequence("Ctrl+A"));
2722
2723	addAction(m_pCopyAct);
2724	addAction(m_pExpandAct);
2725	addAction(m_pCollapseAct);
2726	addAction(m_pRefreshAct);
2727	addAction(m_pResetAct);
2728	addAction(m_pToLogAct);
2729	addAction(m_pToRelLogAct);
2730	addAction(m_pAdjColumns);
2731
2732	connect(m_pExpandAct, SIGNAL(triggered(bool)), this, SLOT(actExpand()));
2733	connect(m_pCollapseAct, SIGNAL(triggered(bool)), this, SLOT(actCollapse()));
2734	connect(m_pRefreshAct, SIGNAL(triggered(bool)), this, SLOT(actRefresh()));
2735	connect(m_pResetAct, SIGNAL(triggered(bool)), this, SLOT(actReset()));
2736	connect(m_pCopyAct, SIGNAL(triggered(bool)), this, SLOT(actCopy()));
2737	connect(m_pToLogAct, SIGNAL(triggered(bool)), this, SLOT(actToLog()));
2738	connect(m_pToRelLogAct, SIGNAL(triggered(bool)), this, SLOT(actToRelLog()));
2739	connect(m_pAdjColumns, SIGNAL(triggered(bool)), this, SLOT(actAdjColumns()));
2740
2741
2742	/*
2743	* Create the menus and populate them.
2744	*/
2745	setContextMenuPolicy(Qt::DefaultContextMenu);
2746
2747	m_pLeafMenu = new QMenu();
2748	m_pLeafMenu->addAction(m_pCopyAct);
2749	m_pLeafMenu->addAction(m_pRefreshAct);
2750	m_pLeafMenu->addAction(m_pResetAct);
2751	m_pLeafMenu->addAction(m_pToLogAct);
2752	m_pLeafMenu->addAction(m_pToRelLogAct);
2753
2754	m_pBranchMenu = new QMenu(this);
2755	m_pBranchMenu->addAction(m_pCopyAct);
2756	m_pBranchMenu->addAction(m_pRefreshAct);
2757	m_pBranchMenu->addAction(m_pResetAct);
2758	m_pBranchMenu->addAction(m_pToLogAct);
2759	m_pBranchMenu->addAction(m_pToRelLogAct);
2760	m_pBranchMenu->addSeparator();
2761	m_pBranchMenu->addAction(m_pExpandAct);
2762	m_pBranchMenu->addAction(m_pCollapseAct);
2763
2764	m_pViewMenu = new QMenu();
2765	m_pViewMenu->addAction(m_pCopyAct);
2766	m_pViewMenu->addAction(m_pRefreshAct);
2767	m_pViewMenu->addAction(m_pResetAct);
2768	m_pViewMenu->addAction(m_pToLogAct);
2769	m_pViewMenu->addAction(m_pToRelLogAct);
2770	m_pViewMenu->addSeparator();
2771	m_pViewMenu->addAction(m_pExpandAct);
2772	m_pViewMenu->addAction(m_pCollapseAct);
2773	m_pViewMenu->addSeparator();
2774	m_pViewMenu->addAction(m_pAdjColumns);
2775
2776	/* the header menu */
2777	QHeaderView *pHdrView = header();
2778	pHdrView->setContextMenuPolicy(Qt::CustomContextMenu);
2779	connect(pHdrView, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(headerContextMenuRequested(const QPoint &)));
2780	}
2781
2782
2783	VBoxDbgStatsView::~VBoxDbgStatsView()
2784	{
2785	m_pParent = NULL;
2786	m_pCurMenu = NULL;
2787	m_CurIndex = QModelIndex();
2788
2789	#define DELETE_IT(m) if (m) { delete m; m = NULL; } else do {} while (0)
2790	DELETE_IT(m_pModel);
2791
2792	DELETE_IT(m_pLeafMenu);
2793	DELETE_IT(m_pBranchMenu);
2794	DELETE_IT(m_pViewMenu);
2795
2796	DELETE_IT(m_pExpandAct);
2797	DELETE_IT(m_pCollapseAct);
2798	DELETE_IT(m_pRefreshAct);
2799	DELETE_IT(m_pResetAct);
2800	DELETE_IT(m_pCopyAct);
2801	DELETE_IT(m_pToLogAct);
2802	DELETE_IT(m_pToRelLogAct);
2803	DELETE_IT(m_pAdjColumns);
2804	#undef DELETE_IT
2805	}
2806
2807
2808	void
2809	VBoxDbgStatsView::updateStats(const QString &rPatStr)
2810	{
2811	m_PatStr = rPatStr;
2812	if (m_pModel->updateStatsByPattern(rPatStr))
2813	setRootIndex(m_pModel->getRootIndex()); /* hack */
2814	}
2815
2816
2817	void
2818	VBoxDbgStatsView::resizeColumnsToContent()
2819	{
2820	for (int i = 0; i <= 8; i++)
2821	resizeColumnToContents(i);
2822	}
2823
2824
2825	void
2826	VBoxDbgStatsView::setSubTreeExpanded(QModelIndex const &a_rIndex, bool a_fExpanded)
2827	{
2828	int cRows = m_pModel->rowCount(a_rIndex);
2829	for (int i = 0; i < cRows; i++)
2830	setSubTreeExpanded(a_rIndex.child(i, 0), a_fExpanded);
2831	setExpanded(a_rIndex, a_fExpanded);
2832	}
2833
2834
2835	void
2836	VBoxDbgStatsView::contextMenuEvent(QContextMenuEvent *a_pEvt)
2837	{
2838	/*
2839	* Get the selected item.
2840	* If it's a mouse event select the item under the cursor (if any).
2841	*/
2842	QModelIndex Idx;
2843	if (a_pEvt->reason() == QContextMenuEvent::Mouse)
2844	{
2845	Idx = indexAt(a_pEvt->pos());
2846	if (Idx.isValid())
2847	setCurrentIndex(Idx);
2848	}
2849	else
2850	{
2851	QModelIndexList SelIdx = selectedIndexes();
2852	if (!SelIdx.isEmpty())
2853	Idx = SelIdx.at(0);
2854	}
2855
2856	/*
2857	* Popup the corresponding menu.
2858	*/
2859	QMenu *pMenu;
2860	if (!Idx.isValid())
2861	pMenu = m_pViewMenu;
2862	else if (m_pModel->hasChildren(Idx))
2863	pMenu = m_pBranchMenu;
2864	else
2865	pMenu = m_pLeafMenu;
2866	if (pMenu)
2867	{
2868	m_pRefreshAct->setEnabled(!Idx.isValid() \|\| Idx == m_pModel->getRootIndex());
2869	m_CurIndex = Idx;
2870	m_pCurMenu = pMenu;
2871
2872	pMenu->exec(a_pEvt->globalPos());
2873
2874	m_pCurMenu = NULL;
2875	m_CurIndex = QModelIndex();
2876	if (m_pRefreshAct)
2877	m_pRefreshAct->setEnabled(true);
2878	}
2879	a_pEvt->accept();
2880	}
2881
2882
2883	void
2884	VBoxDbgStatsView::headerContextMenuRequested(const QPoint &a_rPos)
2885	{
2886	/*
2887	* Show the view menu.
2888	*/
2889	if (m_pViewMenu)
2890	{
2891	m_pRefreshAct->setEnabled(true);
2892	m_CurIndex = m_pModel->getRootIndex();
2893	m_pCurMenu = m_pViewMenu;
2894
2895	m_pViewMenu->exec(header()->mapToGlobal(a_rPos));
2896
2897	m_pCurMenu = NULL;
2898	m_CurIndex = QModelIndex();
2899	if (m_pRefreshAct)
2900	m_pRefreshAct->setEnabled(true);
2901	}
2902	}
2903
2904
2905	void
2906	VBoxDbgStatsView::actExpand()
2907	{
2908	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2909	if (Idx.isValid())
2910	setSubTreeExpanded(Idx, true /* a_fExpanded */);
2911	}
2912
2913
2914	void
2915	VBoxDbgStatsView::actCollapse()
2916	{
2917	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2918	if (Idx.isValid())
2919	setSubTreeExpanded(Idx, false /* a_fExpanded */);
2920	}
2921
2922
2923	void
2924	VBoxDbgStatsView::actRefresh()
2925	{
2926	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2927	if (!Idx.isValid() \|\| Idx == m_pModel->getRootIndex())
2928	{
2929	if (m_pModel->updateStatsByPattern(m_PatStr))
2930	setRootIndex(m_pModel->getRootIndex()); /* hack */
2931	}
2932	else
2933	m_pModel->updateStatsByIndex(Idx);
2934	}
2935
2936
2937	void
2938	VBoxDbgStatsView::actReset()
2939	{
2940	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2941	if (!Idx.isValid() \|\| Idx == m_pModel->getRootIndex())
2942	m_pModel->resetStatsByPattern(m_PatStr);
2943	else
2944	m_pModel->resetStatsByIndex(Idx);
2945	}
2946
2947
2948	void
2949	VBoxDbgStatsView::actCopy()
2950	{
2951	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2952	m_pModel->copyTreeToClipboard(Idx);
2953	}
2954
2955
2956	void
2957	VBoxDbgStatsView::actToLog()
2958	{
2959	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2960	m_pModel->logTree(Idx, false /* a_fReleaseLog */);
2961	}
2962
2963
2964	void
2965	VBoxDbgStatsView::actToRelLog()
2966	{
2967	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2968	m_pModel->logTree(Idx, true /* a_fReleaseLog */);
2969	}
2970
2971
2972	void
2973	VBoxDbgStatsView::actAdjColumns()
2974	{
2975	resizeColumnsToContent();
2976	}
2977
2978
2979
2980
2981
2982
2983	/*
2984	*
2985	* V B o x D b g S t a t s
2986	* V B o x D b g S t a t s
2987	* V B o x D b g S t a t s
2988	*
2989	*
2990	*/
2991
2992
2993	VBoxDbgStats::VBoxDbgStats(VBoxDbgGui a_pDbgGui, const char pszPat/* = NULL/, unsigned uRefreshRate/ = 0/, QWidget pParent/* = NULL*/)
2994	: VBoxDbgBaseWindow(a_pDbgGui, pParent), m_PatStr(pszPat), m_pPatCB(NULL), m_uRefreshRate(0), m_pTimer(NULL), m_pView(NULL)
2995	{
2996	setWindowTitle("VBoxDbg - Statistics");
2997
2998	/*
2999	* On top, a horizontal box with the pattern field, buttons and refresh interval.
3000	*/
3001	QHBoxLayout *pHLayout = new QHBoxLayout;
3002
3003	QLabel *pLabel = new QLabel(" Pattern ");
3004	pHLayout->addWidget(pLabel);
3005	pLabel->setMaximumSize(pLabel->sizeHint());
3006	pLabel->setAlignment(Qt::AlignHCenter \| Qt::AlignVCenter);
3007
3008	m_pPatCB = new QComboBox();
3009	m_pPatCB->setAutoCompletion(false);
3010	pHLayout->addWidget(m_pPatCB);
3011	if (!m_PatStr.isEmpty())
3012	m_pPatCB->addItem(m_PatStr);
3013	m_pPatCB->setDuplicatesEnabled(false);
3014	m_pPatCB->setEditable(true);
3015	connect(m_pPatCB, SIGNAL(activated(const QString &)), this, SLOT(apply(const QString &)));
3016
3017	QPushButton *pPB = new QPushButton("&All");
3018	pHLayout->addWidget(pPB);
3019	pPB->setMaximumSize(pPB->sizeHint());
3020	connect(pPB, SIGNAL(clicked()), this, SLOT(applyAll()));
3021
3022	pLabel = new QLabel(" Interval ");
3023	pHLayout->addWidget(pLabel);
3024	pLabel->setMaximumSize(pLabel->sizeHint());
3025	pLabel->setAlignment(Qt::AlignRight \| Qt::AlignVCenter);
3026
3027	QSpinBox *pSB = new QSpinBox();
3028	pHLayout->addWidget(pSB);
3029	pSB->setMinimum(0);
3030	pSB->setMaximum(60);
3031	pSB->setSingleStep(1);
3032	pSB->setValue(uRefreshRate);
3033	pSB->setSuffix(" s");
3034	pSB->setWrapping(false);
3035	pSB->setButtonSymbols(QSpinBox::PlusMinus);
3036	pSB->setMaximumSize(pSB->sizeHint());
3037	connect(pSB, SIGNAL(valueChanged(int)), this, SLOT(setRefresh(int)));
3038
3039	/*
3040	* Create the tree view and setup the layout.
3041	*/
3042	VBoxDbgStatsModelVM *pModel = new VBoxDbgStatsModelVM(a_pDbgGui, m_PatStr, NULL);
3043	m_pView = new VBoxDbgStatsView(a_pDbgGui, pModel, this);
3044
3045	QWidget *pHBox = new QWidget;
3046	pHBox->setLayout(pHLayout);
3047
3048	QVBoxLayout *pVLayout = new QVBoxLayout;
3049	pVLayout->addWidget(pHBox);
3050	pVLayout->addWidget(m_pView);
3051	setLayout(pVLayout);
3052
3053	/*
3054	* Resize the columns.
3055	* Seems this has to be done with all nodes expanded.
3056	*/
3057	m_pView->expandAll();
3058	m_pView->resizeColumnsToContent();
3059	m_pView->collapseAll();
3060
3061	/*
3062	* Create a refresh timer and start it.
3063	*/
3064	m_pTimer = new QTimer(this);
3065	connect(m_pTimer, SIGNAL(timeout()), this, SLOT(refresh()));
3066	setRefresh(uRefreshRate);
3067
3068	/*
3069	* And some shortcuts.
3070	*/
3071	m_pFocusToPat = new QAction("", this);
3072	m_pFocusToPat->setShortcut(QKeySequence("Ctrl+L"));
3073	addAction(m_pFocusToPat);
3074	connect(m_pFocusToPat, SIGNAL(triggered(bool)), this, SLOT(actFocusToPat()));
3075	}
3076
3077
3078	VBoxDbgStats::~VBoxDbgStats()
3079	{
3080	if (m_pTimer)
3081	{
3082	delete m_pTimer;
3083	m_pTimer = NULL;
3084	}
3085
3086	if (m_pPatCB)
3087	{
3088	delete m_pPatCB;
3089	m_pPatCB = NULL;
3090	}
3091
3092	if (m_pView)
3093	{
3094	delete m_pView;
3095	m_pView = NULL;
3096	}
3097	}
3098
3099
3100	void
3101	VBoxDbgStats::closeEvent(QCloseEvent *a_pCloseEvt)
3102	{
3103	a_pCloseEvt->accept();
3104	delete this;
3105	}
3106
3107
3108	void
3109	VBoxDbgStats::apply(const QString &Str)
3110	{
3111	m_PatStr = Str;
3112	refresh();
3113	}
3114
3115
3116	void
3117	VBoxDbgStats::applyAll()
3118	{
3119	apply("");
3120	}
3121
3122
3123
3124	void
3125	VBoxDbgStats::refresh()
3126	{
3127	m_pView->updateStats(m_PatStr);
3128	}
3129
3130
3131	void
3132	VBoxDbgStats::setRefresh(int iRefresh)
3133	{
3134	if ((unsigned)iRefresh != m_uRefreshRate)
3135	{
3136	if (!m_uRefreshRate \|\| iRefresh)
3137	m_pTimer->start(iRefresh * 1000);
3138	else
3139	m_pTimer->stop();
3140	m_uRefreshRate = iRefresh;
3141	}
3142	}
3143
3144
3145	void
3146	VBoxDbgStats::actFocusToPat()
3147	{
3148	if (!m_pPatCB->hasFocus())
3149	m_pPatCB->setFocus(Qt::ShortcutFocusReason);
3150	}
3151

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source: vbox/trunk/src/VBox/Debugger/VBoxDbgStatsQt4.cpp@ 41889

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