VBoxDbgStatsQt.cpp@ 76573

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1	/* $Id: VBoxDbgStatsQt.cpp 76553 2019-01-01 01:45:53Z vboxsync $ */
2	/** @file
3	* VBox Debugger GUI - Statistics.
4	*/
5
6	/*
7	* Copyright (C) 2006-2019 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 "VBoxDbgStatsQt.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 <iprt/errcore.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	* Calculates the full path of a node, returning the string pointer.
358	*
359	* @returns @a psz. On failure, NULL.
360	*
361	* @param pNode The node.
362	* @param psz The output buffer.
363	* @param cch The size of the buffer.
364	*/
365	static char getNodePath2(PCDBGGUISTATSNODE pNode, char psz, ssize_t cch);
366
367	/**
368	* Check if the first node is an ancestor to the second one.
369	*
370	* @returns true/false.
371	* @param pAncestor The first node, the alleged ancestor.
372	* @param pDescendant The second node, the alleged descendant.
373	*/
374	static bool isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant);
375
376	/**
377	* Advance to the next node in the tree.
378	*
379	* @returns Pointer to the next node, NULL if we've reached the end or
380	* was handed a NULL node.
381	* @param pNode The current node.
382	*/
383	static PDBGGUISTATSNODE nextNode(PDBGGUISTATSNODE pNode);
384
385	/**
386	* Advance to the next node in the tree that contains data.
387	*
388	* @returns Pointer to the next data node, NULL if we've reached the end or
389	* was handed a NULL node.
390	* @param pNode The current node.
391	*/
392	static PDBGGUISTATSNODE nextDataNode(PDBGGUISTATSNODE pNode);
393
394	/**
395	* Advance to the previous node in the tree.
396	*
397	* @returns Pointer to the previous node, NULL if we've reached the end or
398	* was handed a NULL node.
399	* @param pNode The current node.
400	*/
401	static PDBGGUISTATSNODE prevNode(PDBGGUISTATSNODE pNode);
402
403	/**
404	* Advance to the previous node in the tree that contains data.
405	*
406	* @returns Pointer to the previous data node, NULL if we've reached the end or
407	* was handed a NULL node.
408	* @param pNode The current node.
409	*/
410	static PDBGGUISTATSNODE prevDataNode(PDBGGUISTATSNODE pNode);
411
412	/**
413	* Removes a node from the tree.
414	*
415	* @returns pNode.
416	* @param pNode The node.
417	*/
418	static PDBGGUISTATSNODE removeNode(PDBGGUISTATSNODE pNode);
419
420	/**
421	* Removes a node from the tree and destroys it and all its descendants.
422	*
423	* @param pNode The node.
424	*/
425	static void removeAndDestroyNode(PDBGGUISTATSNODE pNode);
426
427	/** Removes a node from the tree and destroys it and all its descendants
428	* performing the required Qt signalling. */
429	void removeAndDestroy(PDBGGUISTATSNODE pNode);
430
431	/**
432	* Destroys a statistics tree.
433	*
434	* @param a_pRoot The root of the tree. NULL is fine.
435	*/
436	static void destroyTree(PDBGGUISTATSNODE a_pRoot);
437
438	/**
439	* Stringifies exactly one node, no children.
440	*
441	* This is for logging and clipboard.
442	*
443	* @param a_pNode The node.
444	* @param a_rString The string to append the stringified node to.
445	*/
446	static void stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString);
447
448	/**
449	* Stringifies a node and its children.
450	*
451	* This is for logging and clipboard.
452	*
453	* @param a_pNode The node.
454	* @param a_rString The string to append the stringified node to.
455	*/
456	static void stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString);
457
458	public:
459	/**
460	* Converts the specified tree to string.
461	*
462	* This is for logging and clipboard.
463	*
464	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
465	* @param a_rString Where to return to return the string dump.
466	*/
467	void stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const;
468
469	/**
470	* Dumps the given (sub-)tree as XML.
471	*
472	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
473	* @param a_rString Where to return to return the XML dump.
474	*/
475	void xmlifyTree(QModelIndex &a_rRoot, QString &a_rString) const;
476
477	/**
478	* Puts the stringified tree on the clipboard.
479	*
480	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
481	*/
482	void copyTreeToClipboard(QModelIndex &a_rRoot) const;
483
484
485	protected:
486	/** Worker for logTree. */
487	static void logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog);
488
489	public:
490	/** Logs a (sub-)tree.
491	*
492	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
493	* @param a_fReleaseLog Whether to use the release log (true) or the debug log (false).
494	*/
495	void logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const;
496
497	protected:
498	/** Gets the unit. */
499	static QString strUnit(PCDBGGUISTATSNODE pNode);
500	/** Gets the value/times. */
501	static QString strValueTimes(PCDBGGUISTATSNODE pNode);
502	/** Gets the minimum value. */
503	static QString strMinValue(PCDBGGUISTATSNODE pNode);
504	/** Gets the average value. */
505	static QString strAvgValue(PCDBGGUISTATSNODE pNode);
506	/** Gets the maximum value. */
507	static QString strMaxValue(PCDBGGUISTATSNODE pNode);
508	/** Gets the total value. */
509	static QString strTotalValue(PCDBGGUISTATSNODE pNode);
510	/** Gets the delta value. */
511	static QString strDeltaValue(PCDBGGUISTATSNODE pNode);
512
513	/**
514	* Destroys a node and all its children.
515	*
516	* @param a_pNode The node to destroy.
517	*/
518	static void destroyNode(PDBGGUISTATSNODE a_pNode);
519
520	/**
521	* Converts an index to a node pointer.
522	*
523	* @returns Pointer to the node, NULL if invalid reference.
524	* @param a_rIndex Reference to the index
525	*/
526	inline PDBGGUISTATSNODE nodeFromIndex(const QModelIndex &a_rIndex) const
527	{
528	if (RT_LIKELY(a_rIndex.isValid()))
529	return (PDBGGUISTATSNODE)a_rIndex.internalPointer();
530	return NULL;
531	}
532
533	public:
534
535	/** @name Overridden QAbstractItemModel methods
536	* @{ */
537	virtual int columnCount(const QModelIndex &a_rParent) const;
538	virtual QVariant data(const QModelIndex &a_rIndex, int a_eRole) const;
539	virtual Qt::ItemFlags flags(const QModelIndex &a_rIndex) const;
540	virtual bool hasChildren(const QModelIndex &a_rParent) const;
541	virtual QVariant headerData(int a_iSection, Qt::Orientation a_ePrientation, int a_eRole) const;
542	virtual QModelIndex index(int a_iRow, int a_iColumn, const QModelIndex &a_rParent) const;
543	virtual QModelIndex parent(const QModelIndex &a_rChild) const;
544	virtual int rowCount(const QModelIndex &a_rParent) const;
545	///virtual void sort(int a_iColumn, Qt::SortOrder a_eOrder);
546	/** @} */
547	};
548
549
550	/**
551	* Model using the VM / STAM interface as data source.
552	*/
553	class VBoxDbgStatsModelVM : public VBoxDbgStatsModel, public VBoxDbgBase
554	{
555	public:
556	/**
557	* Constructor.
558	*
559	* @param a_pDbgGui Pointer to the debugger gui object.
560	* @param a_rPatStr The selection pattern.
561	* @param a_pParent The parent object. NULL is fine.
562	*/
563	VBoxDbgStatsModelVM(VBoxDbgGui a_pDbgGui, QString &a_rPatStr, QObject a_pParent);
564
565	/** Destructor */
566	virtual ~VBoxDbgStatsModelVM();
567
568	virtual bool updateStatsByPattern(const QString &a_rPatStr);
569	virtual void resetStatsByPattern(const QString &a_rPatStr);
570
571	protected:
572	/**
573	* Enumeration callback used by createNewTree.
574	*/
575	static DECLCALLBACK(int) createNewTreeCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
576	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser);
577
578	/**
579	* Constructs a new statistics tree by query data from the VM.
580	*
581	* @returns Pointer to the root of the tree we've constructed. This will be NULL
582	* if the STAM API throws an error or we run out of memory.
583	* @param a_rPatStr The selection pattern.
584	*/
585	PDBGGUISTATSNODE createNewTree(QString &a_rPatStr);
586	};
587
588
589	/*********************************************************************************************************************************
590	* Internal Functions *
591	*********************************************************************************************************************************/
592
593
594	/**
595	* Formats a number into a 64-byte buffer.
596	*/
597	static char formatNumber(char psz, uint64_t u64)
598	{
599	static const char s_szDigits[] = "0123456789";
600	psz += 63;
601	*psz-- = '\0';
602	unsigned cDigits = 0;
603	for (;;)
604	{
605	const unsigned iDigit = u64 % 10;
606	u64 /= 10;
607	*psz = s_szDigits[iDigit];
608	if (!u64)
609	break;
610	psz--;
611	if (!(++cDigits % 3))
612	*psz-- = ',';
613	}
614	return psz;
615	}
616
617
618	/**
619	* Formats a number into a 64-byte buffer.
620	* (18 446 744 073 709 551 615)
621	*/
622	static char formatNumberSigned(char psz, int64_t i64)
623	{
624	static const char s_szDigits[] = "0123456789";
625	psz += 63;
626	*psz-- = '\0';
627	const bool fNegative = i64 < 0;
628	uint64_t u64 = fNegative ? -i64 : i64;
629	unsigned cDigits = 0;
630	for (;;)
631	{
632	const unsigned iDigit = u64 % 10;
633	u64 /= 10;
634	*psz = s_szDigits[iDigit];
635	if (!u64)
636	break;
637	psz--;
638	if (!(++cDigits % 3))
639	*psz-- = ',';
640	}
641	if (fNegative)
642	*--psz = '-';
643	return psz;
644	}
645
646
647	/**
648	* Formats a unsigned hexadecimal number into a into a 64-byte buffer.
649	*/
650	static char formatHexNumber(char psz, uint64_t u64, unsigned cZeros)
651	{
652	static const char s_szDigits[] = "0123456789abcdef";
653	psz += 63;
654	*psz-- = '\0';
655	unsigned cDigits = 0;
656	for (;;)
657	{
658	const unsigned iDigit = u64 % 16;
659	u64 /= 16;
660	*psz = s_szDigits[iDigit];
661	++cDigits;
662	if (!u64 && cDigits >= cZeros)
663	break;
664	psz--;
665	if (!(cDigits % 8))
666	*psz-- = '\'';
667	}
668	return psz;
669	}
670
671
672	#if 0/* unused */
673	/**
674	* Formats a sort key number.
675	*/
676	static void formatSortKey(char *psz, uint64_t u64)
677	{
678	static const char s_szDigits[] = "0123456789abcdef";
679	/* signed */
680	*psz++ = '+';
681
682	/* 16 hex digits */
683	psz[16] = '\0';
684	unsigned i = 16;
685	while (i-- > 0)
686	{
687	if (u64)
688	{
689	const unsigned iDigit = u64 % 16;
690	u64 /= 16;
691	psz[i] = s_szDigits[iDigit];
692	}
693	else
694	psz[i] = '0';
695	}
696	}
697	#endif
698
699
700	#if 0/* unused */
701	/**
702	* Formats a sort key number.
703	*/
704	static void formatSortKeySigned(char *psz, int64_t i64)
705	{
706	static const char s_szDigits[] = "0123456789abcdef";
707
708	/* signed */
709	uint64_t u64;
710	if (i64 >= 0)
711	{
712	*psz++ = '+';
713	u64 = i64;
714	}
715	else
716	{
717	*psz++ = '-';
718	u64 = -i64;
719	}
720
721	/* 16 hex digits */
722	psz[16] = '\0';
723	unsigned i = 16;
724	while (i-- > 0)
725	{
726	if (u64)
727	{
728	const unsigned iDigit = u64 % 16;
729	u64 /= 16;
730	psz[i] = s_szDigits[iDigit];
731	}
732	else
733	psz[i] = '0';
734	}
735	}
736	#endif
737
738
739
740	/*
741	*
742	* V B o x D b g S t a t s M o d e l
743	* V B o x D b g S t a t s M o d e l
744	* V B o x D b g S t a t s M o d e l
745	*
746	*
747	*/
748
749
750	VBoxDbgStatsModel::VBoxDbgStatsModel(QObject *a_pParent)
751	: QAbstractItemModel(a_pParent),
752	m_pRoot(NULL), m_iUpdateChild(UINT32_MAX), m_pUpdateParent(NULL), m_cchUpdateParent(0)
753	{
754	}
755
756
757
758	VBoxDbgStatsModel::~VBoxDbgStatsModel()
759	{
760	destroyTree(m_pRoot);
761	m_pRoot = NULL;
762	}
763
764
765	/static/ void
766	VBoxDbgStatsModel::destroyTree(PDBGGUISTATSNODE a_pRoot)
767	{
768	if (!a_pRoot)
769	return;
770	Assert(!a_pRoot->pParent);
771	Assert(!a_pRoot->iSelf);
772
773	destroyNode(a_pRoot);
774	}
775
776
777	/* static*/ void
778	VBoxDbgStatsModel::destroyNode(PDBGGUISTATSNODE a_pNode)
779	{
780	/* destroy all our children */
781	uint32_t i = a_pNode->cChildren;
782	while (i-- > 0)
783	{
784	destroyNode(a_pNode->papChildren[i]);
785	a_pNode->papChildren[i] = NULL;
786	}
787
788	/* free the resources we're using */
789	a_pNode->pParent = NULL;
790
791	RTMemFree(a_pNode->papChildren);
792	a_pNode->papChildren = NULL;
793
794	if (a_pNode->enmType == STAMTYPE_CALLBACK)
795	{
796	delete a_pNode->Data.pStr;
797	a_pNode->Data.pStr = NULL;
798	}
799
800	a_pNode->cChildren = 0;
801	a_pNode->iSelf = UINT32_MAX;
802	a_pNode->enmUnit = STAMUNIT_INVALID;
803	a_pNode->enmType = STAMTYPE_INVALID;
804
805	RTMemFree(a_pNode->pszName);
806	a_pNode->pszName = NULL;
807
808	if (a_pNode->pDescStr)
809	{
810	delete a_pNode->pDescStr;
811	a_pNode->pDescStr = NULL;
812	}
813
814	#ifdef VBOX_STRICT
815	/* poison it. */
816	a_pNode->pParent++;
817	a_pNode->Data.pStr++;
818	a_pNode->pDescStr++;
819	a_pNode->papChildren++;
820	a_pNode->cChildren = 8442;
821	#endif
822
823	/* Finally ourselves */
824	a_pNode->enmState = kDbgGuiStatsNodeState_kInvalid;
825	RTMemFree(a_pNode);
826	}
827
828
829	/static/ PDBGGUISTATSNODE
830	VBoxDbgStatsModel::createRootNode(void)
831	{
832	PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE));
833	if (!pRoot)
834	return NULL;
835	pRoot->iSelf = 0;
836	pRoot->enmType = STAMTYPE_INVALID;
837	pRoot->enmUnit = STAMUNIT_INVALID;
838	pRoot->pszName = (char *)RTMemDup("/", sizeof("/"));
839	pRoot->cchName = 1;
840	pRoot->enmState = kDbgGuiStatsNodeState_kRoot;
841
842	return pRoot;
843	}
844
845
846	/static/ PDBGGUISTATSNODE
847	VBoxDbgStatsModel::createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition)
848	{
849	/*
850	* Create it.
851	*/
852	PDBGGUISTATSNODE pNode = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE));
853	if (!pNode)
854	return NULL;
855	pNode->iSelf = UINT32_MAX;
856	pNode->enmType = STAMTYPE_INVALID;
857	pNode->enmUnit = STAMUNIT_INVALID;
858	pNode->pszName = (char *)RTMemDupEx(pszName, cchName, 1);
859	pNode->cchName = cchName;
860	pNode->enmState = kDbgGuiStatsNodeState_kVisible;
861
862	/*
863	* Do we need to expand the array?
864	*/
865	if (!(pParent->cChildren & 31))
866	{
867	void pvNew = RTMemRealloc(pParent->papChildren, sizeof(pParent->papChildren) * (pParent->cChildren + 32));
868	if (!pvNew)
869	{
870	destroyNode(pNode);
871	return NULL;
872	}
873	pParent->papChildren = (PDBGGUISTATSNODE *)pvNew;
874	}
875
876	/*
877	* Insert it.
878	*/
879	pNode->pParent = pParent;
880	if (iPosition >= pParent->cChildren)
881	/* Last. */
882	iPosition = pParent->cChildren;
883	else
884	{
885	/* Shift all the items after ours. */
886	uint32_t iShift = pParent->cChildren;
887	while (iShift-- > iPosition)
888	{
889	PDBGGUISTATSNODE pChild = pParent->papChildren[iShift];
890	pParent->papChildren[iShift + 1] = pChild;
891	pChild->iSelf = iShift + 1;
892	}
893	}
894
895	/* Insert ours */
896	pNode->iSelf = iPosition;
897	pParent->papChildren[iPosition] = pNode;
898	pParent->cChildren++;
899
900	return pNode;
901	}
902
903
904	PDBGGUISTATSNODE
905	VBoxDbgStatsModel::createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition)
906	{
907	PDBGGUISTATSNODE pNode;
908	if (m_fUpdateInsertRemove)
909	pNode = createAndInsertNode(pParent, pszName, cchName, iPosition);
910	else
911	{
912	beginInsertRows(createIndex(pParent->iSelf, 0, pParent), 0, 0);
913	pNode = createAndInsertNode(pParent, pszName, cchName, iPosition);
914	endInsertRows();
915	}
916	return pNode;
917	}
918
919	/static/ PDBGGUISTATSNODE
920	VBoxDbgStatsModel::removeNode(PDBGGUISTATSNODE pNode)
921	{
922	PDBGGUISTATSNODE pParent = pNode->pParent;
923	if (pParent)
924	{
925	uint32_t iPosition = pNode->iSelf;
926	Assert(pParent->papChildren[iPosition] == pNode);
927	uint32_t const cChildren = --pParent->cChildren;
928	for (; iPosition < cChildren; iPosition++)
929	{
930	PDBGGUISTATSNODE pChild = pParent->papChildren[iPosition + 1];
931	pParent->papChildren[iPosition] = pChild;
932	pChild->iSelf = iPosition;
933	}
934	#ifdef VBOX_STRICT /* poison */
935	pParent->papChildren[iPosition] = (PDBGGUISTATSNODE)0x42;
936	#endif
937	}
938	return pNode;
939	}
940
941
942	/static/ void
943	VBoxDbgStatsModel::removeAndDestroyNode(PDBGGUISTATSNODE pNode)
944	{
945	removeNode(pNode);
946	destroyNode(pNode);
947	}
948
949
950	void
951	VBoxDbgStatsModel::removeAndDestroy(PDBGGUISTATSNODE pNode)
952	{
953	if (m_fUpdateInsertRemove)
954	removeAndDestroyNode(pNode);
955	else
956	{
957	/*
958	* Removing is fun since the docs are imprecise as to how persistent
959	* indexes are updated (or aren't). So, let try a few different ideas
960	* and see which works.
961	*/
962	#if 1
963	/* destroy the children first with the appropriate begin/endRemoveRows signals. */
964	DBGGUISTATSSTACK Stack;
965	Stack.a[0].pNode = pNode;
966	Stack.a[0].iChild = -1;
967	Stack.iTop = 0;
968	while (Stack.iTop >= 0)
969	{
970	/* get top element */
971	PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode;
972	uint32_t iChild = ++Stack.a[Stack.iTop].iChild;
973	if (iChild < pNode->cChildren)
974	{
975	/* push */
976	Stack.iTop++;
977	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
978	Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild];
979	Stack.a[Stack.iTop].iChild = 0;
980	}
981	else
982	{
983	/* pop and destroy all the children. */
984	Stack.iTop--;
985	uint32_t i = pNode->cChildren;
986	if (i)
987	{
988	beginRemoveRows(createIndex(pNode->iSelf, 0, pNode), 0, i - 1);
989	while (i-- > 0)
990	destroyNode(pNode->papChildren[i]);
991	pNode->cChildren = 0;
992	endRemoveRows();
993	}
994	}
995	}
996	Assert(!pNode->cChildren);
997
998	/* finally the node it self. */
999	PDBGGUISTATSNODE pParent = pNode->pParent;
1000	beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf);
1001	removeAndDestroyNode(pNode);
1002	endRemoveRows();
1003
1004	#elif 0
1005	/* This ain't working, leaves invalid indexes behind. */
1006	PDBGGUISTATSNODE pParent = pNode->pParent;
1007	beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf);
1008	removeAndDestroyNode(pNode);
1009	endRemoveRows();
1010	#else
1011	/* Force reset() of the model after the update. */
1012	m_fUpdateInsertRemove = true;
1013	removeAndDestroyNode(pNode);
1014	#endif
1015	}
1016	}
1017
1018
1019	/static/ void
1020	VBoxDbgStatsModel::resetNode(PDBGGUISTATSNODE pNode)
1021	{
1022	/* free and reinit the data. */
1023	if (pNode->enmType == STAMTYPE_CALLBACK)
1024	{
1025	delete pNode->Data.pStr;
1026	pNode->Data.pStr = NULL;
1027	}
1028	pNode->enmType = STAMTYPE_INVALID;
1029
1030	/* free the description. */
1031	if (pNode->pDescStr)
1032	{
1033	delete pNode->pDescStr;
1034	pNode->pDescStr = NULL;
1035	}
1036	}
1037
1038
1039	/static/ int
1040	VBoxDbgStatsModel::initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc)
1041	{
1042	/*
1043	* Copy the data.
1044	*/
1045	pNode->enmUnit = enmUnit;
1046	Assert(pNode->enmType == STAMTYPE_INVALID);
1047	pNode->enmType = enmType;
1048	if (pszDesc)
1049	pNode->pDescStr = new QString(pszDesc); /* ignore allocation failure (well, at least up to the point we can ignore it) */
1050
1051	switch (enmType)
1052	{
1053	case STAMTYPE_COUNTER:
1054	pNode->Data.Counter = *(PSTAMCOUNTER)pvSample;
1055	break;
1056
1057	case STAMTYPE_PROFILE:
1058	case STAMTYPE_PROFILE_ADV:
1059	pNode->Data.Profile = *(PSTAMPROFILE)pvSample;
1060	break;
1061
1062	case STAMTYPE_RATIO_U32:
1063	case STAMTYPE_RATIO_U32_RESET:
1064	pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample;
1065	break;
1066
1067	case STAMTYPE_CALLBACK:
1068	{
1069	const char pszString = (const char )pvSample;
1070	pNode->Data.pStr = new QString(pszString);
1071	break;
1072	}
1073
1074	case STAMTYPE_U8:
1075	case STAMTYPE_U8_RESET:
1076	case STAMTYPE_X8:
1077	case STAMTYPE_X8_RESET:
1078	pNode->Data.u8 = (uint8_t )pvSample;
1079	break;
1080
1081	case STAMTYPE_U16:
1082	case STAMTYPE_U16_RESET:
1083	case STAMTYPE_X16:
1084	case STAMTYPE_X16_RESET:
1085	pNode->Data.u16 = (uint16_t )pvSample;
1086	break;
1087
1088	case STAMTYPE_U32:
1089	case STAMTYPE_U32_RESET:
1090	case STAMTYPE_X32:
1091	case STAMTYPE_X32_RESET:
1092	pNode->Data.u32 = (uint32_t )pvSample;
1093	break;
1094
1095	case STAMTYPE_U64:
1096	case STAMTYPE_U64_RESET:
1097	case STAMTYPE_X64:
1098	case STAMTYPE_X64_RESET:
1099	pNode->Data.u64 = (uint64_t )pvSample;
1100	break;
1101
1102	case STAMTYPE_BOOL:
1103	case STAMTYPE_BOOL_RESET:
1104	pNode->Data.f = (bool )pvSample;
1105	break;
1106
1107	default:
1108	AssertMsgFailed(("%d\n", enmType));
1109	break;
1110	}
1111
1112	return VINF_SUCCESS;
1113	}
1114
1115
1116
1117
1118	/static/ void
1119	VBoxDbgStatsModel::updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc)
1120	{
1121
1122	/*
1123	* Reset and init the node if the type changed.
1124	*/
1125	if (enmType != pNode->enmType)
1126	{
1127	if (pNode->enmType != STAMTYPE_INVALID)
1128	resetNode(pNode);
1129	initNode(pNode, enmType, pvSample, enmUnit, pszDesc);
1130	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1131	}
1132	else
1133	{
1134	/*
1135	* ASSUME that only the sample value will change and that the unit, visibility
1136	* and description remains the same.
1137	*/
1138
1139	int64_t iDelta;
1140	switch (enmType)
1141	{
1142	case STAMTYPE_COUNTER:
1143	{
1144	uint64_t cPrev = pNode->Data.Counter.c;
1145	pNode->Data.Counter = *(PSTAMCOUNTER)pvSample;
1146	iDelta = pNode->Data.Counter.c - cPrev;
1147	if (iDelta \|\| pNode->i64Delta)
1148	{
1149	pNode->i64Delta = iDelta;
1150	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1151	}
1152	break;
1153	}
1154
1155	case STAMTYPE_PROFILE:
1156	case STAMTYPE_PROFILE_ADV:
1157	{
1158	uint64_t cPrevPeriods = pNode->Data.Profile.cPeriods;
1159	pNode->Data.Profile = *(PSTAMPROFILE)pvSample;
1160	iDelta = pNode->Data.Profile.cPeriods - cPrevPeriods;
1161	if (iDelta \|\| pNode->i64Delta)
1162	{
1163	pNode->i64Delta = iDelta;
1164	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1165	}
1166	break;
1167	}
1168
1169	case STAMTYPE_RATIO_U32:
1170	case STAMTYPE_RATIO_U32_RESET:
1171	{
1172	STAMRATIOU32 Prev = pNode->Data.RatioU32;
1173	pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample;
1174	int32_t iDeltaA = pNode->Data.RatioU32.u32A - Prev.u32A;
1175	int32_t iDeltaB = pNode->Data.RatioU32.u32B - Prev.u32B;
1176	if (iDeltaA == 0 && iDeltaB == 0)
1177	{
1178	if (pNode->i64Delta)
1179	{
1180	pNode->i64Delta = 0;
1181	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1182	}
1183	}
1184	else
1185	{
1186	if (iDeltaA >= 0)
1187	pNode->i64Delta = iDeltaA + (iDeltaB >= 0 ? iDeltaB : -iDeltaB);
1188	else
1189	pNode->i64Delta = iDeltaA + (iDeltaB < 0 ? iDeltaB : -iDeltaB);
1190	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1191	}
1192	break;
1193	}
1194
1195	case STAMTYPE_CALLBACK:
1196	{
1197	const char pszString = (const char )pvSample;
1198	if (!pNode->Data.pStr)
1199	{
1200	pNode->Data.pStr = new QString(pszString);
1201	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1202	}
1203	else if (*pNode->Data.pStr == pszString)
1204	{
1205	delete pNode->Data.pStr;
1206	pNode->Data.pStr = new QString(pszString);
1207	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1208	}
1209	break;
1210	}
1211
1212	case STAMTYPE_U8:
1213	case STAMTYPE_U8_RESET:
1214	case STAMTYPE_X8:
1215	case STAMTYPE_X8_RESET:
1216	{
1217	uint8_t uPrev = pNode->Data.u8;
1218	pNode->Data.u8 = (uint8_t )pvSample;
1219	iDelta = (int32_t)pNode->Data.u8 - (int32_t)uPrev;
1220	if (iDelta \|\| pNode->i64Delta)
1221	{
1222	pNode->i64Delta = iDelta;
1223	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1224	}
1225	break;
1226	}
1227
1228	case STAMTYPE_U16:
1229	case STAMTYPE_U16_RESET:
1230	case STAMTYPE_X16:
1231	case STAMTYPE_X16_RESET:
1232	{
1233	uint16_t uPrev = pNode->Data.u16;
1234	pNode->Data.u16 = (uint16_t )pvSample;
1235	iDelta = (int32_t)pNode->Data.u16 - (int32_t)uPrev;
1236	if (iDelta \|\| pNode->i64Delta)
1237	{
1238	pNode->i64Delta = iDelta;
1239	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1240	}
1241	break;
1242	}
1243
1244	case STAMTYPE_U32:
1245	case STAMTYPE_U32_RESET:
1246	case STAMTYPE_X32:
1247	case STAMTYPE_X32_RESET:
1248	{
1249	uint32_t uPrev = pNode->Data.u32;
1250	pNode->Data.u32 = (uint32_t )pvSample;
1251	iDelta = (int64_t)pNode->Data.u32 - (int64_t)uPrev;
1252	if (iDelta \|\| pNode->i64Delta)
1253	{
1254	pNode->i64Delta = iDelta;
1255	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1256	}
1257	break;
1258	}
1259
1260	case STAMTYPE_U64:
1261	case STAMTYPE_U64_RESET:
1262	case STAMTYPE_X64:
1263	case STAMTYPE_X64_RESET:
1264	{
1265	uint64_t uPrev = pNode->Data.u64;
1266	pNode->Data.u64 = (uint64_t )pvSample;
1267	iDelta = pNode->Data.u64 - uPrev;
1268	if (iDelta \|\| pNode->i64Delta)
1269	{
1270	pNode->i64Delta = iDelta;
1271	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1272	}
1273	break;
1274	}
1275
1276	case STAMTYPE_BOOL:
1277	case STAMTYPE_BOOL_RESET:
1278	{
1279	bool fPrev = pNode->Data.f;
1280	pNode->Data.f = (bool )pvSample;
1281	iDelta = pNode->Data.f - fPrev;
1282	if (iDelta \|\| pNode->i64Delta)
1283	{
1284	pNode->i64Delta = iDelta;
1285	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1286	}
1287	break;
1288	}
1289
1290	default:
1291	AssertMsgFailed(("%d\n", enmType));
1292	break;
1293	}
1294	}
1295	}
1296
1297
1298	/static/ ssize_t
1299	VBoxDbgStatsModel::getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch)
1300	{
1301	ssize_t off;
1302	if (!pNode->pParent)
1303	{
1304	/* root - don't add it's slash! */
1305	AssertReturn(cch >= 1, -1);
1306	off = 0;
1307	*psz = '\0';
1308	}
1309	else
1310	{
1311	cch -= pNode->cchName + 1;
1312	AssertReturn(cch > 0, -1);
1313	off = getNodePath(pNode->pParent, psz, cch);
1314	if (off >= 0)
1315	{
1316	psz[off++] = '/';
1317	memcpy(&psz[off], pNode->pszName, pNode->cchName + 1);
1318	off += pNode->cchName;
1319	}
1320	}
1321	return off;
1322	}
1323
1324
1325	/static/ char *
1326	VBoxDbgStatsModel::getNodePath2(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch)
1327	{
1328	if (VBoxDbgStatsModel::getNodePath(pNode, psz, cch) < 0)
1329	return NULL;
1330	return psz;
1331	}
1332
1333
1334
1335	/static/ bool
1336	VBoxDbgStatsModel::isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant)
1337	{
1338	while (pDescendant)
1339	{
1340	pDescendant = pDescendant->pParent;
1341	if (pDescendant == pAncestor)
1342	return true;
1343	}
1344	return false;
1345	}
1346
1347
1348	/static/ PDBGGUISTATSNODE
1349	VBoxDbgStatsModel::nextNode(PDBGGUISTATSNODE pNode)
1350	{
1351	if (!pNode)
1352	return NULL;
1353
1354	/* descend to children. */
1355	if (pNode->cChildren)
1356	return pNode->papChildren[0];
1357
1358	PDBGGUISTATSNODE pParent = pNode->pParent;
1359	if (!pParent)
1360	return NULL;
1361
1362	/* next sibling. */
1363	if (pNode->iSelf + 1 < pNode->pParent->cChildren)
1364	return pParent->papChildren[pNode->iSelf + 1];
1365
1366	/* ascend and advanced to a parent's sibiling. */
1367	for (;;)
1368	{
1369	uint32_t iSelf = pParent->iSelf;
1370	pParent = pParent->pParent;
1371	if (!pParent)
1372	return NULL;
1373	if (iSelf + 1 < pParent->cChildren)
1374	return pParent->papChildren[iSelf + 1];
1375	}
1376	}
1377
1378
1379	/static/ PDBGGUISTATSNODE
1380	VBoxDbgStatsModel::nextDataNode(PDBGGUISTATSNODE pNode)
1381	{
1382	do
1383	pNode = nextNode(pNode);
1384	while ( pNode
1385	&& pNode->enmType == STAMTYPE_INVALID);
1386	return pNode;
1387	}
1388
1389
1390	/static/ PDBGGUISTATSNODE
1391	VBoxDbgStatsModel::prevNode(PDBGGUISTATSNODE pNode)
1392	{
1393	if (!pNode)
1394	return NULL;
1395	PDBGGUISTATSNODE pParent = pNode->pParent;
1396	if (!pParent)
1397	return NULL;
1398
1399	/* previous sibling's latest descendant (better expression anyone?). */
1400	if (pNode->iSelf > 0)
1401	{
1402	pNode = pParent->papChildren[pNode->iSelf - 1];
1403	while (pNode->cChildren)
1404	pNode = pNode->papChildren[pNode->cChildren - 1];
1405	return pNode;
1406	}
1407
1408	/* ascend to the parent. */
1409	return pParent;
1410	}
1411
1412
1413	/static/ PDBGGUISTATSNODE
1414	VBoxDbgStatsModel::prevDataNode(PDBGGUISTATSNODE pNode)
1415	{
1416	do
1417	pNode = prevNode(pNode);
1418	while ( pNode
1419	&& pNode->enmType == STAMTYPE_INVALID);
1420	return pNode;
1421	}
1422
1423
1424	#if 0
1425	/static/ PDBGGUISTATSNODE
1426	VBoxDbgStatsModel::createNewTree(IMachineDebugger *a_pIMachineDebugger)
1427	{
1428	/** @todo */
1429	return NULL;
1430	}
1431	#endif
1432
1433
1434	#if 0
1435	/static/ PDBGGUISTATSNODE
1436	VBoxDbgStatsModel::createNewTree(const char *pszFilename)
1437	{
1438	/** @todo */
1439	return NULL;
1440	}
1441	#endif
1442
1443
1444	#if 0
1445	/static/ PDBGGUISTATSNODE
1446	VBoxDbgStatsModel::createDiffTree(PDBGGUISTATSNODE pTree1, PDBGGUISTATSNODE pTree2)
1447	{
1448	/** @todo */
1449	return NULL;
1450	}
1451	#endif
1452
1453
1454	PDBGGUISTATSNODE
1455	VBoxDbgStatsModel::updateCallbackHandleOutOfOrder(const char *pszName)
1456	{
1457	#if defined(VBOX_STRICT) \|\| defined(LOG_ENABLED)
1458	char szStrict[1024];
1459	#endif
1460
1461	/*
1462	* We might be inserting a new node between pPrev and pNode
1463	* or we might be removing one or more nodes. Either case is
1464	* handled in the same rough way.
1465	*
1466	* Might consider optimizing insertion at some later point since this
1467	* is a normal occurrence (dynamic statistics in PATM, IOM, MM, ++).
1468	*/
1469	Assert(pszName[0] == '/');
1470	Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/');
1471
1472	/*
1473	* Start with the current parent node and look for a common ancestor
1474	* hoping that this is faster than going from the root (saves lookup).
1475	*/
1476	PDBGGUISTATSNODE pNode = m_pUpdateParent->papChildren[m_iUpdateChild];
1477	PDBGGUISTATSNODE const pPrev = prevDataNode(pNode);
1478	AssertMsg(strcmp(pszName, getNodePath2(pNode, szStrict, sizeof(szStrict))), ("%s\n", szStrict));
1479	AssertMsg(!pPrev \|\| strcmp(pszName, getNodePath2(pPrev, szStrict, sizeof(szStrict))), ("%s\n", szStrict));
1480	Log(("updateCallbackHandleOutOfOrder: pszName='%s' m_szUpdateParent='%s' m_cchUpdateParent=%u pNode='%s'\n",
1481	pszName, m_szUpdateParent, m_cchUpdateParent, getNodePath2(pNode, szStrict, sizeof(szStrict))));
1482
1483	pNode = pNode->pParent;
1484	while (pNode != m_pRoot)
1485	{
1486	if (!strncmp(pszName, m_szUpdateParent, m_cchUpdateParent))
1487	break;
1488	Assert(m_cchUpdateParent > pNode->cchName);
1489	m_cchUpdateParent -= pNode->cchName + 1;
1490	m_szUpdateParent[m_cchUpdateParent] = '\0';
1491	Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u, removed '/%s' (%u)\n", m_szUpdateParent, m_cchUpdateParent, pNode->pszName, __LINE__));
1492	pNode = pNode->pParent;
1493	}
1494	Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/');
1495
1496	/*
1497	* Descend until we've found/created the node pszName indicates,
1498	* modifying m_szUpdateParent as we go along.
1499	*/
1500	while (pszName[m_cchUpdateParent - 1] == '/')
1501	{
1502	/* Find the end of this component. */
1503	const char * const pszSubName = &pszName[m_cchUpdateParent];
1504	const char *pszEnd = strchr(pszSubName, '/');
1505	if (!pszEnd)
1506	pszEnd = strchr(pszSubName, '\0');
1507	size_t cchSubName = pszEnd - pszSubName;
1508
1509	/* Add the name to the path. */
1510	memcpy(&m_szUpdateParent[m_cchUpdateParent], pszSubName, cchSubName);
1511	m_cchUpdateParent += cchSubName;
1512	m_szUpdateParent[m_cchUpdateParent++] = '/';
1513	m_szUpdateParent[m_cchUpdateParent] = '\0';
1514	Assert(m_cchUpdateParent < sizeof(m_szUpdateParent));
1515	Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u (%u)\n", m_szUpdateParent, m_cchUpdateParent, __LINE__));
1516
1517	if (!pNode->cChildren)
1518	{
1519	/* first child */
1520	pNode = createAndInsert(pNode, pszSubName, cchSubName, 0);
1521	AssertReturn(pNode, NULL);
1522	}
1523	else
1524	{
1525	/* binary search. */
1526	int32_t iStart = 0;
1527	int32_t iLast = pNode->cChildren - 1;
1528	for (;;)
1529	{
1530	int32_t i = iStart + (iLast + 1 - iStart) / 2;
1531	int iDiff;
1532	size_t const cchCompare = RT_MIN(pNode->papChildren[i]->cchName, cchSubName);
1533	iDiff = memcmp(pszSubName, pNode->papChildren[i]->pszName, cchCompare);
1534	if (!iDiff)
1535	{
1536	iDiff = cchSubName == cchCompare ? 0 : cchSubName > cchCompare ? 1 : -1;
1537	/* For cases when exisiting node name is same as new node name with additional characters. */
1538	if (!iDiff)
1539	iDiff = cchSubName == pNode->papChildren[i]->cchName ? 0 : cchSubName > pNode->papChildren[i]->cchName ? 1 : -1;
1540	}
1541	if (iDiff > 0)
1542	{
1543	iStart = i + 1;
1544	if (iStart > iLast)
1545	{
1546	pNode = createAndInsert(pNode, pszSubName, cchSubName, iStart);
1547	AssertReturn(pNode, NULL);
1548	break;
1549	}
1550	}
1551	else if (iDiff < 0)
1552	{
1553	iLast = i - 1;
1554	if (iLast < iStart)
1555	{
1556	pNode = createAndInsert(pNode, pszSubName, cchSubName, i);
1557	AssertReturn(pNode, NULL);
1558	break;
1559	}
1560	}
1561	else
1562	{
1563	pNode = pNode->papChildren[i];
1564	break;
1565	}
1566	}
1567	}
1568	}
1569	Assert( !memcmp(pszName, m_szUpdateParent, m_cchUpdateParent - 2)
1570	&& pszName[m_cchUpdateParent - 1] == '\0');
1571
1572	/*
1573	* Remove all the nodes between pNode and pPrev but keep all
1574	* of pNode's ancestors (or it'll get orphaned).
1575	*/
1576	PDBGGUISTATSNODE pCur = prevNode(pNode);
1577	while (pCur != pPrev)
1578	{
1579	PDBGGUISTATSNODE pAdv = prevNode(pCur); Assert(pAdv \|\| !pPrev);
1580	if (!isNodeAncestorOf(pCur, pNode))
1581	{
1582	Assert(pCur != m_pRoot);
1583	removeAndDestroy(pCur);
1584	}
1585	pCur = pAdv;
1586	}
1587
1588	/*
1589	* Remove the data from all ancestors of pNode that it doesn't
1590	* share them pPrev.
1591	*/
1592	if (pPrev)
1593	{
1594	pCur = pNode->pParent;
1595	while (!isNodeAncestorOf(pCur, pPrev))
1596	{
1597	resetNode(pNode);
1598	pCur = pCur->pParent;
1599	}
1600	}
1601
1602	/*
1603	* Finally, adjust the globals (szUpdateParent is one level too deep).
1604	*/
1605	Assert(m_cchUpdateParent > pNode->cchName + 1);
1606	m_cchUpdateParent -= pNode->cchName + 1;
1607	m_szUpdateParent[m_cchUpdateParent] = '\0';
1608	m_pUpdateParent = pNode->pParent;
1609	m_iUpdateChild = pNode->iSelf;
1610	Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u (%u)\n", m_szUpdateParent, m_cchUpdateParent, __LINE__));
1611
1612	return pNode;
1613	}
1614
1615
1616	PDBGGUISTATSNODE
1617	VBoxDbgStatsModel::updateCallbackHandleTail(const char *pszName)
1618	{
1619	/*
1620	* Insert it at the end of the tree.
1621	*
1622	* Do the same as we're doing down in createNewTreeCallback, walk from the
1623	* root and create whatever we need.
1624	*/
1625	AssertReturn(*pszName == '/' && pszName[1] != '/', NULL);
1626	PDBGGUISTATSNODE pNode = m_pRoot;
1627	const char *pszCur = pszName + 1;
1628	while (*pszCur)
1629	{
1630	/* Find the end of this component. */
1631	const char *pszNext = strchr(pszCur, '/');
1632	if (!pszNext)
1633	pszNext = strchr(pszCur, '\0');
1634	size_t cchCur = pszNext - pszCur;
1635
1636	/* Create it if it doesn't exist (it will be last if it exists). */
1637	if ( !pNode->cChildren
1638	\|\| strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur)
1639	\|\| pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur])
1640	{
1641	pNode = createAndInsert(pNode, pszCur, pszNext - pszCur, pNode->cChildren);
1642	AssertReturn(pNode, NULL);
1643	}
1644	else
1645	pNode = pNode->papChildren[pNode->cChildren - 1];
1646
1647	/* Advance */
1648	pszCur = *pszNext ? pszNext + 1 : pszNext;
1649	}
1650
1651	return pNode;
1652	}
1653
1654
1655	void
1656	VBoxDbgStatsModel::updateCallbackAdvance(PDBGGUISTATSNODE pNode)
1657	{
1658	/*
1659	* Advance to the next node with data.
1660	*
1661	* ASSUMES a leaf must have data and again we're ASSUMING the sorting
1662	* on slash separated sub-strings.
1663	*/
1664	if (m_iUpdateChild != UINT32_MAX)
1665	{
1666	#ifdef VBOX_STRICT
1667	PDBGGUISTATSNODE const pCorrectNext = nextDataNode(pNode);
1668	#endif
1669	PDBGGUISTATSNODE pParent = pNode->pParent;
1670	if (pNode->cChildren)
1671	{
1672	/* descend to the first child. */
1673	Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent));
1674	memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName);
1675	m_cchUpdateParent += pNode->cchName;
1676	m_szUpdateParent[m_cchUpdateParent++] = '/';
1677	m_szUpdateParent[m_cchUpdateParent] = '\0';
1678
1679	pNode = pNode->papChildren[0];
1680	}
1681	else if (pNode->iSelf + 1 < pParent->cChildren)
1682	{
1683	/* next sibling or one if its descendants. */
1684	Assert(m_pUpdateParent == pParent);
1685	pNode = pParent->papChildren[pNode->iSelf + 1];
1686	}
1687	else
1688	{
1689	/* move up and down- / on-wards */
1690	for (;;)
1691	{
1692	/* ascend */
1693	pNode = pParent;
1694	pParent = pParent->pParent;
1695	if (!pParent)
1696	{
1697	Assert(pNode == m_pRoot);
1698	m_iUpdateChild = UINT32_MAX;
1699	m_szUpdateParent[0] = '\0';
1700	m_cchUpdateParent = 0;
1701	m_pUpdateParent = NULL;
1702	break;
1703	}
1704	Assert(m_cchUpdateParent > pNode->cchName + 1);
1705	m_cchUpdateParent -= pNode->cchName + 1;
1706
1707	/* try advance */
1708	if (pNode->iSelf + 1 < pParent->cChildren)
1709	{
1710	pNode = pParent->papChildren[pNode->iSelf + 1];
1711	m_szUpdateParent[m_cchUpdateParent] = '\0';
1712	break;
1713	}
1714	}
1715	}
1716
1717	/* descend to a node containing data and finalize the globals. (ASSUMES leaf has data.) */
1718	if (m_iUpdateChild != UINT32_MAX)
1719	{
1720	while ( pNode->enmType == STAMTYPE_INVALID
1721	&& pNode->cChildren > 0)
1722	{
1723	Assert(pNode->enmState == kDbgGuiStatsNodeState_kVisible);
1724
1725	Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent));
1726	memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName);
1727	m_cchUpdateParent += pNode->cchName;
1728	m_szUpdateParent[m_cchUpdateParent++] = '/';
1729	m_szUpdateParent[m_cchUpdateParent] = '\0';
1730
1731	pNode = pNode->papChildren[0];
1732	}
1733	Assert(pNode->enmType != STAMTYPE_INVALID);
1734	m_iUpdateChild = pNode->iSelf;
1735	m_pUpdateParent = pNode->pParent;
1736	Assert(pNode == pCorrectNext);
1737	}
1738	}
1739	/* else: we're at the end */
1740	}
1741
1742
1743	/static/ DECLCALLBACK(int)
1744	VBoxDbgStatsModel::updateCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
1745	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser)
1746	{
1747	VBoxDbgStatsModelVM pThis = (VBoxDbgStatsModelVM )pvUser;
1748	Log3(("updateCallback: %s\n", pszName));
1749
1750	/*
1751	* Skip the ones which shouldn't be visible in the GUI.
1752	*/
1753	if (enmVisibility == STAMVISIBILITY_NOT_GUI)
1754	return 0;
1755
1756	/*
1757	* The default assumption is that nothing has changed.
1758	* For now we'll reset the model when ever something changes.
1759	*/
1760	PDBGGUISTATSNODE pNode;
1761	if (pThis->m_iUpdateChild != UINT32_MAX)
1762	{
1763	pNode = pThis->m_pUpdateParent->papChildren[pThis->m_iUpdateChild];
1764	if ( !strncmp(pszName, pThis->m_szUpdateParent, pThis->m_cchUpdateParent)
1765	&& !strcmp(pszName + pThis->m_cchUpdateParent, pNode->pszName))
1766	/* got it! */;
1767	else
1768	{
1769	/* insert/remove */
1770	pNode = pThis->updateCallbackHandleOutOfOrder(pszName);
1771	if (!pNode)
1772	return VERR_NO_MEMORY;
1773	}
1774	}
1775	else
1776	{
1777	/* append */
1778	pNode = pThis->updateCallbackHandleTail(pszName);
1779	if (!pNode)
1780	return VERR_NO_MEMORY;
1781	}
1782
1783	/*
1784	* Perform the update and advance to the next one.
1785	*/
1786	updateNode(pNode, enmType, pvSample, enmUnit, pszDesc);
1787	pThis->updateCallbackAdvance(pNode);
1788
1789	return VINF_SUCCESS;
1790	}
1791
1792
1793	bool
1794	VBoxDbgStatsModel::updatePrepare(void)
1795	{
1796	/*
1797	* Find the first child with data and set it up as the 'next'
1798	* node to be updated.
1799	*/
1800	Assert(m_pRoot);
1801	Assert(m_pRoot->enmType == STAMTYPE_INVALID);
1802	PDBGGUISTATSNODE pFirst = nextDataNode(m_pRoot);
1803	if (pFirst)
1804	{
1805	m_iUpdateChild = pFirst->iSelf;
1806	m_pUpdateParent = pFirst->pParent; Assert(m_pUpdateParent);
1807	m_cchUpdateParent = getNodePath(m_pUpdateParent, m_szUpdateParent, sizeof(m_szUpdateParent) - 1);
1808	AssertReturn(m_cchUpdateParent >= 1, false);
1809	m_szUpdateParent[m_cchUpdateParent++] = '/';
1810	m_szUpdateParent[m_cchUpdateParent] = '\0';
1811	}
1812	else
1813	{
1814	m_iUpdateChild = UINT32_MAX;
1815	m_pUpdateParent = NULL;
1816	m_szUpdateParent[0] = '\0';
1817	m_cchUpdateParent = 0;
1818	}
1819
1820	/*
1821	* Set the flag and signal possible layout change.
1822	*/
1823	m_fUpdateInsertRemove = false;
1824	/* emit layoutAboutToBeChanged(); - debug this, it gets stuck... */
1825	return true;
1826	}
1827
1828
1829	bool
1830	VBoxDbgStatsModel::updateDone(bool a_fSuccess)
1831	{
1832	/*
1833	* Remove any nodes following the last in the update (unless the update failed).
1834	*/
1835	if ( a_fSuccess
1836	&& m_iUpdateChild != UINT32_MAX)
1837	{
1838	PDBGGUISTATSNODE const pLast = prevDataNode(m_pUpdateParent->papChildren[m_iUpdateChild]);
1839	if (!pLast)
1840	{
1841	/* nuking the whole tree. */
1842	setRootNode(createRootNode());
1843	m_fUpdateInsertRemove = true;
1844	}
1845	else
1846	{
1847	PDBGGUISTATSNODE pNode;
1848	while ((pNode = nextNode(pLast)))
1849	{
1850	Assert(pNode != m_pRoot);
1851	removeAndDestroy(pNode);
1852	}
1853	}
1854	}
1855
1856	/*
1857	* We're done making layout changes (if I understood it correctly), so,
1858	* signal this and then see what to do next. If we did too many removals
1859	* we'll just reset the whole shebang.
1860	*/
1861	if (m_fUpdateInsertRemove)
1862	{
1863	/* emit layoutChanged(); - hrmpf, doesn't work reliably... */
1864	beginResetModel();
1865	endResetModel();
1866	}
1867	else
1868	{
1869	/*
1870	* Send dataChanged events.
1871	*
1872	* We do this here instead of from the updateCallback because it reduces
1873	* the clutter in that method and allow us to emit bulk signals in an
1874	* easier way because we can traverse the tree in a different fashion.
1875	*/
1876	DBGGUISTATSSTACK Stack;
1877	Stack.a[0].pNode = m_pRoot;
1878	Stack.a[0].iChild = -1;
1879	Stack.iTop = 0;
1880
1881	while (Stack.iTop >= 0)
1882	{
1883	/* get top element */
1884	PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode;
1885	uint32_t iChild = ++Stack.a[Stack.iTop].iChild;
1886	if (iChild < pNode->cChildren)
1887	{
1888	/* push */
1889	Stack.iTop++;
1890	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
1891	Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild];
1892	Stack.a[Stack.iTop].iChild = 0;
1893	}
1894	else
1895	{
1896	/* pop */
1897	Stack.iTop--;
1898
1899	/* do the actual work. */
1900	iChild = 0;
1901	while (iChild < pNode->cChildren)
1902	{
1903	/* skip to the first needing updating. */
1904	while ( iChild < pNode->cChildren
1905	&& pNode->papChildren[iChild]->enmState != kDbgGuiStatsNodeState_kRefresh)
1906	iChild++;
1907	if (iChild >= pNode->cChildren)
1908	break;
1909	QModelIndex TopLeft = createIndex(iChild, 0, pNode->papChildren[iChild]);
1910	pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible;
1911
1912	/* any subsequent nodes that also needs refreshing? */
1913	if ( ++iChild < pNode->cChildren
1914	&& pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh)
1915	{
1916	do pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible;
1917	while ( ++iChild < pNode->cChildren
1918	&& pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh);
1919	QModelIndex BottomRight = createIndex(iChild - 1, DBGGUI_STATS_COLUMNS - 1, pNode->papChildren[iChild - 1]);
1920
1921	/* emit the refresh signal */
1922	emit dataChanged(TopLeft, BottomRight);
1923	}
1924	else
1925	{
1926	/* emit the refresh signal */
1927	emit dataChanged(TopLeft, TopLeft);
1928	}
1929	}
1930	}
1931	}
1932	/* emit layoutChanged(); - hrmpf, doesn't work reliably... */
1933	}
1934
1935	return m_fUpdateInsertRemove;
1936	}
1937
1938
1939	bool
1940	VBoxDbgStatsModel::updateStatsByPattern(const QString &a_rPatStr)
1941	{
1942	/* stub */
1943	NOREF(a_rPatStr);
1944	return false;
1945	}
1946
1947
1948	void
1949	VBoxDbgStatsModel::updateStatsByIndex(QModelIndex const &a_rIndex)
1950	{
1951	/** @todo implement this based on updateStatsByPattern. */
1952	NOREF(a_rIndex);
1953	}
1954
1955
1956	void
1957	VBoxDbgStatsModel::resetStatsByPattern(QString const &a_rPatStr)
1958	{
1959	/* stub */
1960	NOREF(a_rPatStr);
1961	}
1962
1963
1964	void
1965	VBoxDbgStatsModel::resetStatsByIndex(QModelIndex const &a_rIndex, bool fSubTree /= true/)
1966	{
1967	PCDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex);
1968	if (pNode == m_pRoot \|\| !a_rIndex.isValid())
1969	{
1970	if (fSubTree)
1971	{
1972	/* everything from the root down. */
1973	resetStatsByPattern(QString());
1974	}
1975	}
1976	else if (pNode)
1977	{
1978	/* the node pattern. */
1979	char szPat[1024+1024+4];
1980	ssize_t cch = getNodePath(pNode, szPat, 1024);
1981	AssertReturnVoid(cch >= 0);
1982
1983	/* the sub-tree pattern. */
1984	if (fSubTree && pNode->cChildren)
1985	{
1986	char *psz = &szPat[cch];
1987	*psz++ = '\|';
1988	memcpy(psz, szPat, cch);
1989	psz += cch;
1990	*psz++ = '/';
1991	psz++ = '';
1992	*psz++ = '\0';
1993	}
1994
1995	resetStatsByPattern(szPat);
1996	}
1997	}
1998
1999
2000	QModelIndex
2001	VBoxDbgStatsModel::getRootIndex(void) const
2002	{
2003	if (!m_pRoot)
2004	return QModelIndex();
2005	return createIndex(0, 0, m_pRoot);
2006	}
2007
2008
2009	void
2010	VBoxDbgStatsModel::setRootNode(PDBGGUISTATSNODE a_pRoot)
2011	{
2012	PDBGGUISTATSNODE pOldTree = m_pRoot;
2013	m_pRoot = a_pRoot;
2014	destroyTree(pOldTree);
2015	beginResetModel();
2016	endResetModel();
2017	}
2018
2019
2020	Qt::ItemFlags
2021	VBoxDbgStatsModel::flags(const QModelIndex &a_rIndex) const
2022	{
2023	Qt::ItemFlags fFlags = QAbstractItemModel::flags(a_rIndex);
2024	return fFlags;
2025	}
2026
2027
2028	int
2029	VBoxDbgStatsModel::columnCount(const QModelIndex &a_rParent) const
2030	{
2031	NOREF(a_rParent);
2032	return DBGGUI_STATS_COLUMNS;
2033	}
2034
2035
2036	int
2037	VBoxDbgStatsModel::rowCount(const QModelIndex &a_rParent) const
2038	{
2039	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2040	return pParent ? pParent->cChildren : 1 /* root */;
2041	}
2042
2043
2044	bool
2045	VBoxDbgStatsModel::hasChildren(const QModelIndex &a_rParent) const
2046	{
2047	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2048	return pParent ? pParent->cChildren > 0 : true /* root */;
2049	}
2050
2051
2052	QModelIndex
2053	VBoxDbgStatsModel::index(int iRow, int iColumn, const QModelIndex &a_rParent) const
2054	{
2055	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2056	if (!pParent)
2057	{
2058	if ( a_rParent.isValid()
2059	\|\| iRow
2060	\|\| (unsigned)iColumn < DBGGUI_STATS_COLUMNS)
2061	{
2062	Assert(!a_rParent.isValid());
2063	Assert(!iRow);
2064	Assert((unsigned)iColumn < DBGGUI_STATS_COLUMNS);
2065	return QModelIndex();
2066	}
2067
2068	/* root */
2069	return createIndex(0, iColumn, m_pRoot);
2070	}
2071	if ((unsigned)iRow >= pParent->cChildren)
2072	{
2073	Log(("index: iRow=%d >= cChildren=%u (iColumn=%d)\n", iRow, (unsigned)pParent->cChildren, iColumn));
2074	return QModelIndex(); /* bug? */
2075	}
2076	if ((unsigned)iColumn >= DBGGUI_STATS_COLUMNS)
2077	{
2078	Log(("index: iColumn=%d (iRow=%d)\n", iColumn, iRow));
2079	return QModelIndex(); /* bug? */
2080	}
2081	PDBGGUISTATSNODE pChild = pParent->papChildren[iRow];
2082	return createIndex(iRow, iColumn, pChild);
2083	}
2084
2085
2086	QModelIndex
2087	VBoxDbgStatsModel::parent(const QModelIndex &a_rChild) const
2088	{
2089	PDBGGUISTATSNODE pChild = nodeFromIndex(a_rChild);
2090	if (!pChild)
2091	{
2092	Log(("parent: invalid child\n"));
2093	return QModelIndex(); /* bug */
2094	}
2095	PDBGGUISTATSNODE pParent = pChild->pParent;
2096	if (!pParent)
2097	return QModelIndex(); /* ultimate root */
2098
2099	return createIndex(pParent->iSelf, 0, pParent);
2100	}
2101
2102
2103	QVariant
2104	VBoxDbgStatsModel::headerData(int a_iSection, Qt::Orientation a_eOrientation, int a_eRole) const
2105	{
2106	if ( a_eOrientation == Qt::Horizontal
2107	&& a_eRole == Qt::DisplayRole)
2108	switch (a_iSection)
2109	{
2110	case 0: return tr("Name");
2111	case 1: return tr("Unit");
2112	case 2: return tr("Value/Times");
2113	case 3: return tr("Min");
2114	case 4: return tr("Average");
2115	case 5: return tr("Max");
2116	case 6: return tr("Total");
2117	case 7: return tr("dInt");
2118	case 8: return tr("Description");
2119	default:
2120	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2121	return QVariant(); /* bug */
2122	}
2123	else if ( a_eOrientation == Qt::Horizontal
2124	&& a_eRole == Qt::TextAlignmentRole)
2125	switch (a_iSection)
2126	{
2127	case 0:
2128	case 1:
2129	return QVariant();
2130	case 2:
2131	case 3:
2132	case 4:
2133	case 5:
2134	case 6:
2135	case 7:
2136	return (int)(Qt::AlignRight \| Qt::AlignVCenter);
2137	case 8:
2138	return QVariant();
2139	default:
2140	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2141	return QVariant(); /* bug */
2142	}
2143
2144	return QVariant();
2145	}
2146
2147
2148	/static/ QString
2149	VBoxDbgStatsModel::strUnit(PCDBGGUISTATSNODE pNode)
2150	{
2151	if (pNode->enmUnit == STAMUNIT_INVALID)
2152	return "";
2153	return STAMR3GetUnit(pNode->enmUnit);
2154	}
2155
2156
2157	/static/ QString
2158	VBoxDbgStatsModel::strValueTimes(PCDBGGUISTATSNODE pNode)
2159	{
2160	char sz[128];
2161
2162	switch (pNode->enmType)
2163	{
2164	case STAMTYPE_COUNTER:
2165	return formatNumber(sz, pNode->Data.Counter.c);
2166
2167	case STAMTYPE_PROFILE:
2168	case STAMTYPE_PROFILE_ADV:
2169	if (!pNode->Data.Profile.cPeriods)
2170	return "0";
2171	return formatNumber(sz, pNode->Data.Profile.cPeriods);
2172
2173	case STAMTYPE_RATIO_U32:
2174	case STAMTYPE_RATIO_U32_RESET:
2175	{
2176	char szTmp[64];
2177	char *psz = formatNumber(szTmp, pNode->Data.RatioU32.u32A);
2178	size_t off = strlen(psz);
2179	memcpy(sz, psz, off);
2180	sz[off++] = ':';
2181	strcpy(&sz[off], formatNumber(szTmp, pNode->Data.RatioU32.u32B));
2182	return sz;
2183	}
2184
2185	case STAMTYPE_CALLBACK:
2186	return *pNode->Data.pStr;
2187
2188	case STAMTYPE_U8:
2189	case STAMTYPE_U8_RESET:
2190	return formatNumber(sz, pNode->Data.u8);
2191
2192	case STAMTYPE_X8:
2193	case STAMTYPE_X8_RESET:
2194	return formatHexNumber(sz, pNode->Data.u8, 2);
2195
2196	case STAMTYPE_U16:
2197	case STAMTYPE_U16_RESET:
2198	return formatNumber(sz, pNode->Data.u16);
2199
2200	case STAMTYPE_X16:
2201	case STAMTYPE_X16_RESET:
2202	return formatHexNumber(sz, pNode->Data.u16, 4);
2203
2204	case STAMTYPE_U32:
2205	case STAMTYPE_U32_RESET:
2206	return formatNumber(sz, pNode->Data.u32);
2207
2208	case STAMTYPE_X32:
2209	case STAMTYPE_X32_RESET:
2210	return formatHexNumber(sz, pNode->Data.u32, 8);
2211
2212	case STAMTYPE_U64:
2213	case STAMTYPE_U64_RESET:
2214	return formatNumber(sz, pNode->Data.u64);
2215
2216	case STAMTYPE_X64:
2217	case STAMTYPE_X64_RESET:
2218	return formatHexNumber(sz, pNode->Data.u64, 16);
2219
2220	case STAMTYPE_BOOL:
2221	case STAMTYPE_BOOL_RESET:
2222	return pNode->Data.f ? "true" : "false";
2223
2224	default:
2225	AssertMsgFailed(("%d\n", pNode->enmType));
2226	RT_FALL_THRU();
2227	case STAMTYPE_INVALID:
2228	return "";
2229	}
2230	}
2231
2232
2233	/static/ QString
2234	VBoxDbgStatsModel::strMinValue(PCDBGGUISTATSNODE pNode)
2235	{
2236	char sz[128];
2237
2238	switch (pNode->enmType)
2239	{
2240	case STAMTYPE_PROFILE:
2241	case STAMTYPE_PROFILE_ADV:
2242	if (!pNode->Data.Profile.cPeriods)
2243	return "0";
2244	return formatNumber(sz, pNode->Data.Profile.cTicksMin);
2245	default:
2246	return "";
2247	}
2248	}
2249
2250
2251	/static/ QString
2252	VBoxDbgStatsModel::strAvgValue(PCDBGGUISTATSNODE pNode)
2253	{
2254	char sz[128];
2255
2256	switch (pNode->enmType)
2257	{
2258	case STAMTYPE_PROFILE:
2259	case STAMTYPE_PROFILE_ADV:
2260	if (!pNode->Data.Profile.cPeriods)
2261	return "0";
2262	return formatNumber(sz, pNode->Data.Profile.cTicks / pNode->Data.Profile.cPeriods);
2263	default:
2264	return "";
2265	}
2266	}
2267
2268
2269	/static/ QString
2270	VBoxDbgStatsModel::strMaxValue(PCDBGGUISTATSNODE pNode)
2271	{
2272	char sz[128];
2273
2274	switch (pNode->enmType)
2275	{
2276	case STAMTYPE_PROFILE:
2277	case STAMTYPE_PROFILE_ADV:
2278	if (!pNode->Data.Profile.cPeriods)
2279	return "0";
2280	return formatNumber(sz, pNode->Data.Profile.cTicksMax);
2281	default:
2282	return "";
2283	}
2284	}
2285
2286
2287	/static/ QString
2288	VBoxDbgStatsModel::strTotalValue(PCDBGGUISTATSNODE pNode)
2289	{
2290	char sz[128];
2291
2292	switch (pNode->enmType)
2293	{
2294	case STAMTYPE_PROFILE:
2295	case STAMTYPE_PROFILE_ADV:
2296	if (!pNode->Data.Profile.cPeriods)
2297	return "0";
2298	return formatNumber(sz, pNode->Data.Profile.cTicks);
2299	default:
2300	return "";
2301	}
2302	}
2303
2304
2305	/static/ QString
2306	VBoxDbgStatsModel::strDeltaValue(PCDBGGUISTATSNODE pNode)
2307	{
2308	char sz[128];
2309
2310	switch (pNode->enmType)
2311	{
2312	case STAMTYPE_PROFILE:
2313	case STAMTYPE_PROFILE_ADV:
2314	if (!pNode->Data.Profile.cPeriods)
2315	return "0";
2316	RT_FALL_THRU();
2317	case STAMTYPE_COUNTER:
2318	case STAMTYPE_RATIO_U32:
2319	case STAMTYPE_RATIO_U32_RESET:
2320	case STAMTYPE_U8:
2321	case STAMTYPE_U8_RESET:
2322	case STAMTYPE_X8:
2323	case STAMTYPE_X8_RESET:
2324	case STAMTYPE_U16:
2325	case STAMTYPE_U16_RESET:
2326	case STAMTYPE_X16:
2327	case STAMTYPE_X16_RESET:
2328	case STAMTYPE_U32:
2329	case STAMTYPE_U32_RESET:
2330	case STAMTYPE_X32:
2331	case STAMTYPE_X32_RESET:
2332	case STAMTYPE_U64:
2333	case STAMTYPE_U64_RESET:
2334	case STAMTYPE_X64:
2335	case STAMTYPE_X64_RESET:
2336	case STAMTYPE_BOOL:
2337	case STAMTYPE_BOOL_RESET:
2338	return formatNumberSigned(sz, pNode->i64Delta);
2339	default:
2340	return "";
2341	}
2342	}
2343
2344
2345	QVariant
2346	VBoxDbgStatsModel::data(const QModelIndex &a_rIndex, int a_eRole) const
2347	{
2348	unsigned iCol = a_rIndex.column();
2349	if (iCol >= DBGGUI_STATS_COLUMNS)
2350	return QVariant();
2351
2352	if (a_eRole == Qt::DisplayRole)
2353	{
2354	PDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex);
2355	if (!pNode)
2356	return QVariant();
2357
2358	switch (iCol)
2359	{
2360	case 0:
2361	return QString(pNode->pszName);
2362	case 1:
2363	return strUnit(pNode);
2364	case 2:
2365	return strValueTimes(pNode);
2366	case 3:
2367	return strMinValue(pNode);
2368	case 4:
2369	return strAvgValue(pNode);
2370	case 5:
2371	return strMaxValue(pNode);
2372	case 6:
2373	return strTotalValue(pNode);
2374	case 7:
2375	return strDeltaValue(pNode);
2376	case 8:
2377	return pNode->pDescStr ? QString(*pNode->pDescStr) : QString("");
2378	default:
2379	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2380	return QVariant();
2381	}
2382	}
2383	else if (a_eRole == Qt::TextAlignmentRole)
2384	switch (iCol)
2385	{
2386	case 0:
2387	case 1:
2388	return QVariant();
2389	case 2:
2390	case 3:
2391	case 4:
2392	case 5:
2393	case 6:
2394	case 7:
2395	return (int)(Qt::AlignRight \| Qt::AlignVCenter);
2396	case 8:
2397	return QVariant();
2398	default:
2399	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2400	return QVariant(); /* bug */
2401	}
2402	return QVariant();
2403	}
2404
2405
2406	/static/ void
2407	VBoxDbgStatsModel::stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString)
2408	{
2409	/*
2410	* Get the path, padding it to 32-chars and add it to the string.
2411	*/
2412	char szBuf[1024];
2413	ssize_t off = getNodePath(a_pNode, szBuf, sizeof(szBuf) - 2);
2414	AssertReturnVoid(off >= 0);
2415	if (off < 32)
2416	{
2417	memset(&szBuf[off], ' ', 32 - off);
2418	szBuf[32] = '\0';
2419	off = 32;
2420	}
2421	szBuf[off++] = ' ';
2422	szBuf[off] = '\0';
2423	a_rString += szBuf;
2424
2425	/*
2426	* The following is derived from stamR3PrintOne, except
2427	* we print to szBuf, do no visibility checks and can skip
2428	* the path bit.
2429	*/
2430	switch (a_pNode->enmType)
2431	{
2432	case STAMTYPE_COUNTER:
2433	RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.Counter.c, STAMR3GetUnit(a_pNode->enmUnit));
2434	break;
2435
2436	case STAMTYPE_PROFILE:
2437	case STAMTYPE_PROFILE_ADV:
2438	{
2439	uint64_t u64 = a_pNode->Data.Profile.cPeriods ? a_pNode->Data.Profile.cPeriods : 1;
2440	RTStrPrintf(szBuf, sizeof(szBuf),
2441	"%8llu %s (%12llu ticks, %7llu times, max %9llu, min %7lld)",
2442	a_pNode->Data.Profile.cTicks / u64, STAMR3GetUnit(a_pNode->enmUnit),
2443	a_pNode->Data.Profile.cTicks, a_pNode->Data.Profile.cPeriods, a_pNode->Data.Profile.cTicksMax, a_pNode->Data.Profile.cTicksMin);
2444	break;
2445	}
2446
2447	case STAMTYPE_RATIO_U32:
2448	case STAMTYPE_RATIO_U32_RESET:
2449	RTStrPrintf(szBuf, sizeof(szBuf),
2450	"%8u:%-8u %s",
2451	a_pNode->Data.RatioU32.u32A, a_pNode->Data.RatioU32.u32B, STAMR3GetUnit(a_pNode->enmUnit));
2452	break;
2453
2454	case STAMTYPE_CALLBACK:
2455	if (a_pNode->Data.pStr)
2456	a_rString += *a_pNode->Data.pStr;
2457	RTStrPrintf(szBuf, sizeof(szBuf), " %s", STAMR3GetUnit(a_pNode->enmUnit));
2458	break;
2459
2460	case STAMTYPE_U8:
2461	case STAMTYPE_U8_RESET:
2462	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit));
2463	break;
2464
2465	case STAMTYPE_X8:
2466	case STAMTYPE_X8_RESET:
2467	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit));
2468	break;
2469
2470	case STAMTYPE_U16:
2471	case STAMTYPE_U16_RESET:
2472	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit));
2473	break;
2474
2475	case STAMTYPE_X16:
2476	case STAMTYPE_X16_RESET:
2477	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit));
2478	break;
2479
2480	case STAMTYPE_U32:
2481	case STAMTYPE_U32_RESET:
2482	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit));
2483	break;
2484
2485	case STAMTYPE_X32:
2486	case STAMTYPE_X32_RESET:
2487	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit));
2488	break;
2489
2490	case STAMTYPE_U64:
2491	case STAMTYPE_U64_RESET:
2492	RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit));
2493	break;
2494
2495	case STAMTYPE_X64:
2496	case STAMTYPE_X64_RESET:
2497	RTStrPrintf(szBuf, sizeof(szBuf), "%8llx %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit));
2498	break;
2499
2500	case STAMTYPE_BOOL:
2501	case STAMTYPE_BOOL_RESET:
2502	RTStrPrintf(szBuf, sizeof(szBuf), "%s %s", a_pNode->Data.f ? "true " : "false ", STAMR3GetUnit(a_pNode->enmUnit));
2503	break;
2504
2505	default:
2506	AssertMsgFailed(("enmType=%d\n", a_pNode->enmType));
2507	return;
2508	}
2509
2510	a_rString += szBuf;
2511	}
2512
2513
2514	/static/ void
2515	VBoxDbgStatsModel::stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString)
2516	{
2517	/* this node (if it has data) */
2518	if (a_pNode->enmType != STAMTYPE_INVALID)
2519	{
2520	if (!a_rString.isEmpty())
2521	a_rString += "\n";
2522	stringifyNodeNoRecursion(a_pNode, a_rString);
2523	}
2524
2525	/* the children */
2526	uint32_t const cChildren = a_pNode->cChildren;
2527	for (uint32_t i = 0; i < cChildren; i++)
2528	stringifyNode(a_pNode->papChildren[i], a_rString);
2529	}
2530
2531
2532	void
2533	VBoxDbgStatsModel::stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const
2534	{
2535	PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot;
2536	if (pRoot)
2537	stringifyNode(pRoot, a_rString);
2538	}
2539
2540
2541	void
2542	VBoxDbgStatsModel::copyTreeToClipboard(QModelIndex &a_rRoot) const
2543	{
2544	QString String;
2545	stringifyTree(a_rRoot, String);
2546
2547	QClipboard *pClipboard = QApplication::clipboard();
2548	if (pClipboard)
2549	pClipboard->setText(String, QClipboard::Clipboard);
2550	}
2551
2552
2553	/static/ void
2554	VBoxDbgStatsModel::logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog)
2555	{
2556	/* this node (if it has data) */
2557	if (a_pNode->enmType != STAMTYPE_INVALID)
2558	{
2559	QString SelfStr;
2560	stringifyNodeNoRecursion(a_pNode, SelfStr);
2561	QByteArray SelfByteArray = SelfStr.toUtf8();
2562	if (a_fReleaseLog)
2563	RTLogRelPrintf("%s\n", SelfByteArray.constData());
2564	else
2565	RTLogPrintf("%s\n", SelfByteArray.constData());
2566	}
2567
2568	/* the children */
2569	uint32_t const cChildren = a_pNode->cChildren;
2570	for (uint32_t i = 0; i < cChildren; i++)
2571	logNode(a_pNode->papChildren[i], a_fReleaseLog);
2572	}
2573
2574
2575	void
2576	VBoxDbgStatsModel::logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const
2577	{
2578	PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot;
2579	if (pRoot)
2580	logNode(pRoot, a_fReleaseLog);
2581	}
2582
2583
2584
2585
2586
2587
2588
2589	/*
2590	*
2591	* V B o x D b g S t a t s M o d e l V M
2592	* V B o x D b g S t a t s M o d e l V M
2593	* V B o x D b g S t a t s M o d e l V M
2594	*
2595	*
2596	*/
2597
2598
2599	VBoxDbgStatsModelVM::VBoxDbgStatsModelVM(VBoxDbgGui a_pDbgGui, QString &a_rPatStr, QObject a_pParent)
2600	: VBoxDbgStatsModel(a_pParent), VBoxDbgBase(a_pDbgGui)
2601	{
2602	/*
2603	* Create a model containing the STAM entries matching the pattern.
2604	* (The original idea was to get everything and rely on some hide/visible
2605	* flag that it turned out didn't exist.)
2606	*/
2607	PDBGGUISTATSNODE pTree = createNewTree(a_rPatStr);
2608	setRootNode(pTree);
2609	}
2610
2611
2612	VBoxDbgStatsModelVM::~VBoxDbgStatsModelVM()
2613	{
2614	/* nothing to do here. */
2615	}
2616
2617
2618	bool
2619	VBoxDbgStatsModelVM::updateStatsByPattern(const QString &a_rPatStr)
2620	{
2621	/** @todo the way we update this stuff is independent of the source (XML, file, STAM), our only
2622	* ASSUMPTION is that the input is strictly ordered by (fully slashed) name. So, all this stuff
2623	* should really move up into the parent class. */
2624	bool fRc = updatePrepare();
2625	if (fRc)
2626	{
2627	int rc = stamEnum(a_rPatStr, updateCallback, this);
2628	fRc = updateDone(RT_SUCCESS(rc));
2629	}
2630	return fRc;
2631	}
2632
2633
2634	void
2635	VBoxDbgStatsModelVM::resetStatsByPattern(QString const &a_rPatStr)
2636	{
2637	stamReset(a_rPatStr);
2638	}
2639
2640
2641	/static/ DECLCALLBACK(int)
2642	VBoxDbgStatsModelVM::createNewTreeCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
2643	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser)
2644	{
2645	PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)pvUser;
2646	Log3(("createNewTreeCallback: %s\n", pszName));
2647
2648	/*
2649	* Skip the ones which shouldn't be visible in the GUI.
2650	*/
2651	if (enmVisibility == STAMVISIBILITY_NOT_GUI)
2652	return 0;
2653
2654	/*
2655	* Perform a mkdir -p like operation till we've walked / created the entire path down
2656	* to the node specfied node. Remember the last node as that will be the one we will
2657	* stuff the data into.
2658	*/
2659	AssertReturn(*pszName == '/' && pszName[1] != '/', VERR_INTERNAL_ERROR);
2660	PDBGGUISTATSNODE pNode = pRoot;
2661	const char *pszCur = pszName + 1;
2662	while (*pszCur)
2663	{
2664	/* find the end of this component. */
2665	const char *pszNext = strchr(pszCur, '/');
2666	if (!pszNext)
2667	pszNext = strchr(pszCur, '\0');
2668	size_t cchCur = pszNext - pszCur;
2669
2670	/* Create it if it doesn't exist (it will be last if it exists). */
2671	if ( !pNode->cChildren
2672	\|\| strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur)
2673	\|\| pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur])
2674	{
2675	pNode = createAndInsertNode(pNode, pszCur, pszNext - pszCur, UINT32_MAX);
2676	if (!pNode)
2677	return VERR_NO_MEMORY;
2678	}
2679	else
2680	pNode = pNode->papChildren[pNode->cChildren - 1];
2681
2682	/* Advance */
2683	pszCur = *pszNext ? pszNext + 1 : pszNext;
2684	}
2685
2686	/*
2687	* Save the data.
2688	*/
2689	return initNode(pNode, enmType, pvSample, enmUnit, pszDesc);
2690	}
2691
2692
2693	PDBGGUISTATSNODE
2694	VBoxDbgStatsModelVM::createNewTree(QString &a_rPatStr)
2695	{
2696	PDBGGUISTATSNODE pRoot = createRootNode();
2697	if (pRoot)
2698	{
2699	int rc = stamEnum(a_rPatStr, createNewTreeCallback, pRoot);
2700	if (RT_SUCCESS(rc))
2701	return pRoot;
2702
2703	/* failed, cleanup. */
2704	destroyTree(pRoot);
2705	}
2706
2707	return NULL;
2708	}
2709
2710
2711
2712
2713
2714
2715
2716
2717	/*
2718	*
2719	* V B o x D b g S t a t s V i e w
2720	* V B o x D b g S t a t s V i e w
2721	* V B o x D b g S t a t s V i e w
2722	*
2723	*
2724	*/
2725
2726
2727	VBoxDbgStatsView::VBoxDbgStatsView(VBoxDbgGui a_pDbgGui, VBoxDbgStatsModel a_pModel, VBoxDbgStats a_pParent/ = NULL*/)
2728	: QTreeView(a_pParent), VBoxDbgBase(a_pDbgGui), m_pModel(a_pModel), m_PatStr(), m_pParent(a_pParent),
2729	m_pLeafMenu(NULL), m_pBranchMenu(NULL), m_pViewMenu(NULL), m_pCurMenu(NULL), m_CurIndex()
2730
2731	{
2732	/*
2733	* Set the model and view defaults.
2734	*/
2735	setRootIsDecorated(true);
2736	setModel(m_pModel);
2737	QModelIndex RootIdx = m_pModel->getRootIndex(); /* This should really be QModelIndex(), but Qt on darwin does wrong things then. */
2738	setRootIndex(RootIdx);
2739	setItemsExpandable(true);
2740	setAlternatingRowColors(true);
2741	setSelectionBehavior(SelectRows);
2742	setSelectionMode(SingleSelection);
2743	/// @todo sorting setSortingEnabled(true);
2744
2745	/*
2746	* Create and setup the actions.
2747	*/
2748	m_pExpandAct = new QAction("Expand Tree", this);
2749	m_pCollapseAct = new QAction("Collapse Tree", this);
2750	m_pRefreshAct = new QAction("&Refresh", this);
2751	m_pResetAct = new QAction("Rese&t", this);
2752	m_pCopyAct = new QAction("&Copy", this);
2753	m_pToLogAct = new QAction("To &Log", this);
2754	m_pToRelLogAct = new QAction("T&o Release Log", this);
2755	m_pAdjColumns = new QAction("&Adjust Columns", this);
2756
2757	m_pCopyAct->setShortcut(QKeySequence::Copy);
2758	m_pExpandAct->setShortcut(QKeySequence("Ctrl+E"));
2759	m_pCollapseAct->setShortcut(QKeySequence("Ctrl+D"));
2760	m_pRefreshAct->setShortcut(QKeySequence("Ctrl+R"));
2761	m_pResetAct->setShortcut(QKeySequence("Alt+R"));
2762	m_pToLogAct->setShortcut(QKeySequence("Ctrl+Z"));
2763	m_pToRelLogAct->setShortcut(QKeySequence("Alt+Z"));
2764	m_pAdjColumns->setShortcut(QKeySequence("Ctrl+A"));
2765
2766	addAction(m_pCopyAct);
2767	addAction(m_pExpandAct);
2768	addAction(m_pCollapseAct);
2769	addAction(m_pRefreshAct);
2770	addAction(m_pResetAct);
2771	addAction(m_pToLogAct);
2772	addAction(m_pToRelLogAct);
2773	addAction(m_pAdjColumns);
2774
2775	connect(m_pExpandAct, SIGNAL(triggered(bool)), this, SLOT(actExpand()));
2776	connect(m_pCollapseAct, SIGNAL(triggered(bool)), this, SLOT(actCollapse()));
2777	connect(m_pRefreshAct, SIGNAL(triggered(bool)), this, SLOT(actRefresh()));
2778	connect(m_pResetAct, SIGNAL(triggered(bool)), this, SLOT(actReset()));
2779	connect(m_pCopyAct, SIGNAL(triggered(bool)), this, SLOT(actCopy()));
2780	connect(m_pToLogAct, SIGNAL(triggered(bool)), this, SLOT(actToLog()));
2781	connect(m_pToRelLogAct, SIGNAL(triggered(bool)), this, SLOT(actToRelLog()));
2782	connect(m_pAdjColumns, SIGNAL(triggered(bool)), this, SLOT(actAdjColumns()));
2783
2784
2785	/*
2786	* Create the menus and populate them.
2787	*/
2788	setContextMenuPolicy(Qt::DefaultContextMenu);
2789
2790	m_pLeafMenu = new QMenu();
2791	m_pLeafMenu->addAction(m_pCopyAct);
2792	m_pLeafMenu->addAction(m_pRefreshAct);
2793	m_pLeafMenu->addAction(m_pResetAct);
2794	m_pLeafMenu->addAction(m_pToLogAct);
2795	m_pLeafMenu->addAction(m_pToRelLogAct);
2796
2797	m_pBranchMenu = new QMenu(this);
2798	m_pBranchMenu->addAction(m_pCopyAct);
2799	m_pBranchMenu->addAction(m_pRefreshAct);
2800	m_pBranchMenu->addAction(m_pResetAct);
2801	m_pBranchMenu->addAction(m_pToLogAct);
2802	m_pBranchMenu->addAction(m_pToRelLogAct);
2803	m_pBranchMenu->addSeparator();
2804	m_pBranchMenu->addAction(m_pExpandAct);
2805	m_pBranchMenu->addAction(m_pCollapseAct);
2806
2807	m_pViewMenu = new QMenu();
2808	m_pViewMenu->addAction(m_pCopyAct);
2809	m_pViewMenu->addAction(m_pRefreshAct);
2810	m_pViewMenu->addAction(m_pResetAct);
2811	m_pViewMenu->addAction(m_pToLogAct);
2812	m_pViewMenu->addAction(m_pToRelLogAct);
2813	m_pViewMenu->addSeparator();
2814	m_pViewMenu->addAction(m_pExpandAct);
2815	m_pViewMenu->addAction(m_pCollapseAct);
2816	m_pViewMenu->addSeparator();
2817	m_pViewMenu->addAction(m_pAdjColumns);
2818
2819	/* the header menu */
2820	QHeaderView *pHdrView = header();
2821	pHdrView->setContextMenuPolicy(Qt::CustomContextMenu);
2822	connect(pHdrView, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(headerContextMenuRequested(const QPoint &)));
2823	}
2824
2825
2826	VBoxDbgStatsView::~VBoxDbgStatsView()
2827	{
2828	m_pParent = NULL;
2829	m_pCurMenu = NULL;
2830	m_CurIndex = QModelIndex();
2831
2832	#define DELETE_IT(m) if (m) { delete m; m = NULL; } else do {} while (0)
2833	DELETE_IT(m_pModel);
2834
2835	DELETE_IT(m_pLeafMenu);
2836	DELETE_IT(m_pBranchMenu);
2837	DELETE_IT(m_pViewMenu);
2838
2839	DELETE_IT(m_pExpandAct);
2840	DELETE_IT(m_pCollapseAct);
2841	DELETE_IT(m_pRefreshAct);
2842	DELETE_IT(m_pResetAct);
2843	DELETE_IT(m_pCopyAct);
2844	DELETE_IT(m_pToLogAct);
2845	DELETE_IT(m_pToRelLogAct);
2846	DELETE_IT(m_pAdjColumns);
2847	#undef DELETE_IT
2848	}
2849
2850
2851	void
2852	VBoxDbgStatsView::updateStats(const QString &rPatStr)
2853	{
2854	m_PatStr = rPatStr;
2855	if (m_pModel->updateStatsByPattern(rPatStr))
2856	setRootIndex(m_pModel->getRootIndex()); /* hack */
2857	}
2858
2859
2860	void
2861	VBoxDbgStatsView::resizeColumnsToContent()
2862	{
2863	for (int i = 0; i <= 8; i++)
2864	{
2865	resizeColumnToContents(i);
2866	/* Some extra room for distinguishing numbers better in Value, Min, Avg, Max, Total, dInt columns. */
2867	if (i >= 2 && i <= 7)
2868	setColumnWidth(i, columnWidth(i) + 10);
2869	}
2870	}
2871
2872
2873	void
2874	VBoxDbgStatsView::setSubTreeExpanded(QModelIndex const &a_rIndex, bool a_fExpanded)
2875	{
2876	int cRows = m_pModel->rowCount(a_rIndex);
2877	for (int i = 0; i < cRows; i++)
2878	setSubTreeExpanded(a_rIndex.child(i, 0), a_fExpanded);
2879	setExpanded(a_rIndex, a_fExpanded);
2880	}
2881
2882
2883	void
2884	VBoxDbgStatsView::contextMenuEvent(QContextMenuEvent *a_pEvt)
2885	{
2886	/*
2887	* Get the selected item.
2888	* If it's a mouse event select the item under the cursor (if any).
2889	*/
2890	QModelIndex Idx;
2891	if (a_pEvt->reason() == QContextMenuEvent::Mouse)
2892	{
2893	Idx = indexAt(a_pEvt->pos());
2894	if (Idx.isValid())
2895	setCurrentIndex(Idx);
2896	}
2897	else
2898	{
2899	QModelIndexList SelIdx = selectedIndexes();
2900	if (!SelIdx.isEmpty())
2901	Idx = SelIdx.at(0);
2902	}
2903
2904	/*
2905	* Popup the corresponding menu.
2906	*/
2907	QMenu *pMenu;
2908	if (!Idx.isValid())
2909	pMenu = m_pViewMenu;
2910	else if (m_pModel->hasChildren(Idx))
2911	pMenu = m_pBranchMenu;
2912	else
2913	pMenu = m_pLeafMenu;
2914	if (pMenu)
2915	{
2916	m_pRefreshAct->setEnabled(!Idx.isValid() \|\| Idx == m_pModel->getRootIndex());
2917	m_CurIndex = Idx;
2918	m_pCurMenu = pMenu;
2919
2920	pMenu->exec(a_pEvt->globalPos());
2921
2922	m_pCurMenu = NULL;
2923	m_CurIndex = QModelIndex();
2924	if (m_pRefreshAct)
2925	m_pRefreshAct->setEnabled(true);
2926	}
2927	a_pEvt->accept();
2928	}
2929
2930
2931	void
2932	VBoxDbgStatsView::headerContextMenuRequested(const QPoint &a_rPos)
2933	{
2934	/*
2935	* Show the view menu.
2936	*/
2937	if (m_pViewMenu)
2938	{
2939	m_pRefreshAct->setEnabled(true);
2940	m_CurIndex = m_pModel->getRootIndex();
2941	m_pCurMenu = m_pViewMenu;
2942
2943	m_pViewMenu->exec(header()->mapToGlobal(a_rPos));
2944
2945	m_pCurMenu = NULL;
2946	m_CurIndex = QModelIndex();
2947	if (m_pRefreshAct)
2948	m_pRefreshAct->setEnabled(true);
2949	}
2950	}
2951
2952
2953	void
2954	VBoxDbgStatsView::actExpand()
2955	{
2956	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2957	if (Idx.isValid())
2958	setSubTreeExpanded(Idx, true /* a_fExpanded */);
2959	}
2960
2961
2962	void
2963	VBoxDbgStatsView::actCollapse()
2964	{
2965	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2966	if (Idx.isValid())
2967	setSubTreeExpanded(Idx, false /* a_fExpanded */);
2968	}
2969
2970
2971	void
2972	VBoxDbgStatsView::actRefresh()
2973	{
2974	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2975	if (!Idx.isValid() \|\| Idx == m_pModel->getRootIndex())
2976	{
2977	if (m_pModel->updateStatsByPattern(m_PatStr))
2978	setRootIndex(m_pModel->getRootIndex()); /* hack */
2979	}
2980	else
2981	m_pModel->updateStatsByIndex(Idx);
2982	}
2983
2984
2985	void
2986	VBoxDbgStatsView::actReset()
2987	{
2988	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
2989	if (!Idx.isValid() \|\| Idx == m_pModel->getRootIndex())
2990	m_pModel->resetStatsByPattern(m_PatStr);
2991	else
2992	m_pModel->resetStatsByIndex(Idx);
2993	}
2994
2995
2996	void
2997	VBoxDbgStatsView::actCopy()
2998	{
2999	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3000	m_pModel->copyTreeToClipboard(Idx);
3001	}
3002
3003
3004	void
3005	VBoxDbgStatsView::actToLog()
3006	{
3007	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3008	m_pModel->logTree(Idx, false /* a_fReleaseLog */);
3009	}
3010
3011
3012	void
3013	VBoxDbgStatsView::actToRelLog()
3014	{
3015	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3016	m_pModel->logTree(Idx, true /* a_fReleaseLog */);
3017	}
3018
3019
3020	void
3021	VBoxDbgStatsView::actAdjColumns()
3022	{
3023	resizeColumnsToContent();
3024	}
3025
3026
3027
3028
3029
3030
3031	/*
3032	*
3033	* V B o x D b g S t a t s
3034	* V B o x D b g S t a t s
3035	* V B o x D b g S t a t s
3036	*
3037	*
3038	*/
3039
3040
3041	VBoxDbgStats::VBoxDbgStats(VBoxDbgGui a_pDbgGui, const char pszPat/* = NULL/, unsigned uRefreshRate/ = 0/, QWidget pParent/* = NULL*/)
3042	: VBoxDbgBaseWindow(a_pDbgGui, pParent), m_PatStr(pszPat), m_pPatCB(NULL), m_uRefreshRate(0), m_pTimer(NULL), m_pView(NULL)
3043	{
3044	/* Assign window-title: */
3045	if (parent())
3046	{
3047	setWindowTitle(QString("%1 - Statistics").arg(parentWidget()->windowTitle()));
3048	parent()->installEventFilter(this);
3049	}
3050	else
3051	setWindowTitle("VBoxDbg - Statistics");
3052
3053	/*
3054	* On top, a horizontal box with the pattern field, buttons and refresh interval.
3055	*/
3056	QHBoxLayout *pHLayout = new QHBoxLayout;
3057
3058	QLabel *pLabel = new QLabel(" Pattern ");
3059	pHLayout->addWidget(pLabel);
3060	pLabel->setMaximumSize(pLabel->sizeHint());
3061	pLabel->setAlignment(Qt::AlignHCenter \| Qt::AlignVCenter);
3062
3063	m_pPatCB = new QComboBox();
3064	m_pPatCB->setAutoCompletion(false);
3065	pHLayout->addWidget(m_pPatCB);
3066	if (!m_PatStr.isEmpty())
3067	m_pPatCB->addItem(m_PatStr);
3068	m_pPatCB->setDuplicatesEnabled(false);
3069	m_pPatCB->setEditable(true);
3070	connect(m_pPatCB, SIGNAL(activated(const QString &)), this, SLOT(apply(const QString &)));
3071
3072	QPushButton *pPB = new QPushButton("&All");
3073	pHLayout->addWidget(pPB);
3074	pPB->setMaximumSize(pPB->sizeHint());
3075	connect(pPB, SIGNAL(clicked()), this, SLOT(applyAll()));
3076
3077	pLabel = new QLabel(" Interval ");
3078	pHLayout->addWidget(pLabel);
3079	pLabel->setMaximumSize(pLabel->sizeHint());
3080	pLabel->setAlignment(Qt::AlignRight \| Qt::AlignVCenter);
3081
3082	QSpinBox *pSB = new QSpinBox();
3083	pHLayout->addWidget(pSB);
3084	pSB->setMinimum(0);
3085	pSB->setMaximum(60);
3086	pSB->setSingleStep(1);
3087	pSB->setValue(uRefreshRate);
3088	pSB->setSuffix(" s");
3089	pSB->setWrapping(false);
3090	pSB->setButtonSymbols(QSpinBox::PlusMinus);
3091	pSB->setMaximumSize(pSB->sizeHint());
3092	connect(pSB, SIGNAL(valueChanged(int)), this, SLOT(setRefresh(int)));
3093
3094	/*
3095	* Create the tree view and setup the layout.
3096	*/
3097	VBoxDbgStatsModelVM *pModel = new VBoxDbgStatsModelVM(a_pDbgGui, m_PatStr, NULL);
3098	m_pView = new VBoxDbgStatsView(a_pDbgGui, pModel, this);
3099
3100	QWidget *pHBox = new QWidget;
3101	pHBox->setLayout(pHLayout);
3102
3103	QVBoxLayout *pVLayout = new QVBoxLayout;
3104	pVLayout->addWidget(pHBox);
3105	pVLayout->addWidget(m_pView);
3106	setLayout(pVLayout);
3107
3108	/*
3109	* Resize the columns.
3110	* Seems this has to be done with all nodes expanded.
3111	*/
3112	m_pView->expandAll();
3113	m_pView->resizeColumnsToContent();
3114	m_pView->collapseAll();
3115
3116	/*
3117	* Create a refresh timer and start it.
3118	*/
3119	m_pTimer = new QTimer(this);
3120	connect(m_pTimer, SIGNAL(timeout()), this, SLOT(refresh()));
3121	setRefresh(uRefreshRate);
3122
3123	/*
3124	* And some shortcuts.
3125	*/
3126	m_pFocusToPat = new QAction("", this);
3127	m_pFocusToPat->setShortcut(QKeySequence("Ctrl+L"));
3128	addAction(m_pFocusToPat);
3129	connect(m_pFocusToPat, SIGNAL(triggered(bool)), this, SLOT(actFocusToPat()));
3130	}
3131
3132
3133	VBoxDbgStats::~VBoxDbgStats()
3134	{
3135	if (m_pTimer)
3136	{
3137	delete m_pTimer;
3138	m_pTimer = NULL;
3139	}
3140
3141	if (m_pPatCB)
3142	{
3143	delete m_pPatCB;
3144	m_pPatCB = NULL;
3145	}
3146
3147	if (m_pView)
3148	{
3149	delete m_pView;
3150	m_pView = NULL;
3151	}
3152	}
3153
3154
3155	void
3156	VBoxDbgStats::closeEvent(QCloseEvent *a_pCloseEvt)
3157	{
3158	a_pCloseEvt->accept();
3159	delete this; /** @todo This is wrong! We get more events after this one and end up using memory after freeing it in vPolishSizeAndPos(). (Qt3 holdover?) */
3160	}
3161
3162
3163	bool VBoxDbgStats::eventFilter(QObject pWatched, QEvent pEvent)
3164	{
3165	/* Skip events which are not related to our parent: */
3166	if (pWatched != parent())
3167	return VBoxDbgBaseWindow::eventFilter(pWatched, pEvent);
3168
3169	/* Depending on event-type: */
3170	switch (pEvent->type())
3171	{
3172	case QEvent::WindowTitleChange: setWindowTitle(QString("%1 - Statistics").arg(parentWidget()->windowTitle())); break;
3173	default: break;
3174	}
3175
3176	/* Call to base-class: */
3177	return VBoxDbgBaseWindow::eventFilter(pWatched, pEvent);
3178	}
3179
3180
3181	void
3182	VBoxDbgStats::apply(const QString &Str)
3183	{
3184	m_PatStr = Str;
3185	refresh();
3186	}
3187
3188
3189	void
3190	VBoxDbgStats::applyAll()
3191	{
3192	apply("");
3193	}
3194
3195
3196
3197	void
3198	VBoxDbgStats::refresh()
3199	{
3200	m_pView->updateStats(m_PatStr);
3201	}
3202
3203
3204	void
3205	VBoxDbgStats::setRefresh(int iRefresh)
3206	{
3207	if ((unsigned)iRefresh != m_uRefreshRate)
3208	{
3209	if (!m_uRefreshRate \|\| iRefresh)
3210	m_pTimer->start(iRefresh * 1000);
3211	else
3212	m_pTimer->stop();
3213	m_uRefreshRate = iRefresh;
3214	}
3215	}
3216
3217
3218	void
3219	VBoxDbgStats::actFocusToPat()
3220	{
3221	if (!m_pPatCB->hasFocus())
3222	m_pPatCB->setFocus(Qt::ShortcutFocusReason);
3223	}
3224

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source: vbox/trunk/src/VBox/Debugger/VBoxDbgStatsQt.cpp@ 76573

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