VBoxDbgStatsQt.cpp@ 92780

Last change on this file since 92780 was 90543, checked in by vboxsync, 3 years ago
VBoxDbg: doxygen fix.
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1	/* $Id: VBoxDbgStatsQt.cpp 90543 2021-08-06 11:59:40Z vboxsync $ */
2	/** @file
3	* VBox Debugger GUI - Statistics.
4	*/
5
6	/*
7	* Copyright (C) 2006-2020 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	/** Name string offset (if used). */
161	uint16_t cchName;
162	} a[32];
163	} DBGGUISTATSSTACK;
164
165
166
167
168	/**
169	* The item model for the statistics tree view.
170	*
171	* This manages the DBGGUISTATSNODE trees.
172	*/
173	class VBoxDbgStatsModel : public QAbstractItemModel
174	{
175	protected:
176	/** The root of the sample tree. */
177	PDBGGUISTATSNODE m_pRoot;
178
179	private:
180	/** Next update child. This is UINT32_MAX when invalid. */
181	uint32_t m_iUpdateChild;
182	/** Pointer to the node m_szUpdateParent represent and m_iUpdateChild refers to. */
183	PDBGGUISTATSNODE m_pUpdateParent;
184	/** The length of the path. */
185	size_t m_cchUpdateParent;
186	/** The path to the current update parent, including a trailing slash. */
187	char m_szUpdateParent[1024];
188	/** Inserted or/and removed nodes during the update. */
189	bool m_fUpdateInsertRemove;
190
191
192	public:
193	/**
194	* Constructor.
195	*
196	* @param a_pParent The parent object. See QAbstractItemModel in the Qt
197	* docs for details.
198	*/
199	VBoxDbgStatsModel(QObject *a_pParent);
200
201	/**
202	* Destructor.
203	*
204	* This will free all the data the model holds.
205	*/
206	virtual ~VBoxDbgStatsModel();
207
208	/**
209	* Updates the data matching the specified pattern.
210	*
211	* This will should invoke updatePrep, updateCallback and updateDone.
212	*
213	* It is vitally important that updateCallback is fed the data in the right
214	* order. The code make very definite ASSUMPTIONS about the ordering being
215	* strictly sorted and taking the slash into account when doing so.
216	*
217	* @returns true if we reset the model and it's necessary to set the root index.
218	* @param a_rPatStr The selection pattern.
219	*
220	* @remarks The default implementation is an empty stub.
221	*/
222	virtual bool updateStatsByPattern(const QString &a_rPatStr);
223
224	/**
225	* Similar to updateStatsByPattern, except that it only works on a sub-tree and
226	* will not remove anything that's outside that tree.
227	*
228	* @param a_rIndex The sub-tree root. Invalid index means root.
229	*
230	* @todo Create a default implementation using updateStatsByPattern.
231	*/
232	virtual void updateStatsByIndex(QModelIndex const &a_rIndex);
233
234	/**
235	* Reset the stats matching the specified pattern.
236	*
237	* @param a_rPatStr The selection pattern.
238	*
239	* @remarks The default implementation is an empty stub.
240	*/
241	virtual void resetStatsByPattern(QString const &a_rPatStr);
242
243	/**
244	* Reset the stats of a sub-tree.
245	*
246	* @param a_rIndex The sub-tree root. Invalid index means root.
247	* @param a_fSubTree Whether to reset the sub-tree as well. Default is true.
248	*
249	* @remarks The default implementation makes use of resetStatsByPattern
250	*/
251	virtual void resetStatsByIndex(QModelIndex const &a_rIndex, bool a_fSubTree = true);
252
253	/**
254	* Iterator callback function.
255	* @returns true to continue, false to stop.
256	*/
257	typedef bool FNITERATOR(PDBGGUISTATSNODE pNode, QModelIndex const &a_rIndex, const char pszFullName, void pvUser);
258
259	/**
260	* Callback iterator.
261	*
262	* @param a_rPatStr The selection pattern.
263	* @param a_pfnCallback Callback function.
264	* @param a_pvUser Callback argument.
265	* @param a_fMatchChildren How to handle children of matching nodes:
266	* - @c true: continue with the children,
267	* - @c false: skip children.
268	*/
269	virtual void iterateStatsByPattern(QString const &a_rPatStr, FNITERATOR a_pfnCallback, void a_pvUser,
270	bool a_fMatchChildren = true);
271
272	/**
273	* Gets the model index of the root node.
274	*
275	* @returns root index.
276	*/
277	QModelIndex getRootIndex(void) const;
278
279
280	protected:
281	/**
282	* Set the root node.
283	*
284	* This will free all the current data before taking the ownership of the new
285	* root node and its children.
286	*
287	* @param a_pRoot The new root node.
288	*/
289	void setRootNode(PDBGGUISTATSNODE a_pRoot);
290
291	/** Creates the root node. */
292	static PDBGGUISTATSNODE createRootNode(void);
293
294	/** Creates and insert a node under the given parent. */
295	static PDBGGUISTATSNODE createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition);
296
297	/** Creates and insert a node under the given parent with correct Qt
298	* signalling. */
299	PDBGGUISTATSNODE createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition);
300
301	/**
302	* Resets the node to a pristine state.
303	*
304	* @param pNode The node.
305	*/
306	static void resetNode(PDBGGUISTATSNODE pNode);
307
308	/**
309	* Initializes a pristine node.
310	*/
311	static int initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc);
312
313	/**
314	* Updates (or reinitializes if you like) a node.
315	*/
316	static void updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc);
317
318	/**
319	* Called by updateStatsByPattern(), makes the necessary preparations.
320	*
321	* @returns Success indicator.
322	*/
323	bool updatePrepare(void);
324
325	/**
326	* Called by updateStatsByPattern(), finalizes the update.
327	*
328	* @return See updateStatsByPattern().
329	*
330	* @param a_fSuccess Whether the update was successful or not.
331	*
332	*/
333	bool updateDone(bool a_fSuccess);
334
335	/**
336	* updateCallback() worker taking care of in-tree inserts and removals.
337	*
338	* @returns The current node.
339	* @param pszName The name of the tree element to update.
340	*/
341	PDBGGUISTATSNODE updateCallbackHandleOutOfOrder(const char *pszName);
342
343	/**
344	* updateCallback() worker taking care of tail insertions.
345	*
346	* @returns The current node.
347	* @param pszName The name of the tree element to update.
348	*/
349	PDBGGUISTATSNODE updateCallbackHandleTail(const char *pszName);
350
351	/**
352	* updateCallback() worker that advances the update state to the next data node
353	* in anticipation of the next updateCallback call.
354	*
355	* @returns The current node.
356	* @param pNode The current node.
357	*/
358	void updateCallbackAdvance(PDBGGUISTATSNODE pNode);
359
360	/** Callback used by updateStatsByPattern() and updateStatsByIndex() to feed
361	* changes.
362	* @copydoc FNSTAMR3ENUM */
363	static DECLCALLBACK(int) updateCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
364	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser);
365
366	/**
367	* Calculates the full path of a node.
368	*
369	* @returns Number of bytes returned, negative value on buffer overflow
370	*
371	* @param pNode The node.
372	* @param psz The output buffer.
373	* @param cch The size of the buffer.
374	*/
375	static ssize_t getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch);
376
377	/**
378	* Calculates the full path of a node, returning the string pointer.
379	*
380	* @returns @a psz. On failure, NULL.
381	*
382	* @param pNode The node.
383	* @param psz The output buffer.
384	* @param cch The size of the buffer.
385	*/
386	static char getNodePath2(PCDBGGUISTATSNODE pNode, char psz, ssize_t cch);
387
388	/**
389	* Check if the first node is an ancestor to the second one.
390	*
391	* @returns true/false.
392	* @param pAncestor The first node, the alleged ancestor.
393	* @param pDescendant The second node, the alleged descendant.
394	*/
395	static bool isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant);
396
397	/**
398	* Advance to the next node in the tree.
399	*
400	* @returns Pointer to the next node, NULL if we've reached the end or
401	* was handed a NULL node.
402	* @param pNode The current node.
403	*/
404	static PDBGGUISTATSNODE nextNode(PDBGGUISTATSNODE pNode);
405
406	/**
407	* Advance to the next node in the tree that contains data.
408	*
409	* @returns Pointer to the next data node, NULL if we've reached the end or
410	* was handed a NULL node.
411	* @param pNode The current node.
412	*/
413	static PDBGGUISTATSNODE nextDataNode(PDBGGUISTATSNODE pNode);
414
415	/**
416	* Advance to the previous node in the tree.
417	*
418	* @returns Pointer to the previous node, NULL if we've reached the end or
419	* was handed a NULL node.
420	* @param pNode The current node.
421	*/
422	static PDBGGUISTATSNODE prevNode(PDBGGUISTATSNODE pNode);
423
424	/**
425	* Advance to the previous node in the tree that contains data.
426	*
427	* @returns Pointer to the previous data node, NULL if we've reached the end or
428	* was handed a NULL node.
429	* @param pNode The current node.
430	*/
431	static PDBGGUISTATSNODE prevDataNode(PDBGGUISTATSNODE pNode);
432
433	/**
434	* Removes a node from the tree.
435	*
436	* @returns pNode.
437	* @param pNode The node.
438	*/
439	static PDBGGUISTATSNODE removeNode(PDBGGUISTATSNODE pNode);
440
441	/**
442	* Removes a node from the tree and destroys it and all its descendants.
443	*
444	* @param pNode The node.
445	*/
446	static void removeAndDestroyNode(PDBGGUISTATSNODE pNode);
447
448	/** Removes a node from the tree and destroys it and all its descendants
449	* performing the required Qt signalling. */
450	void removeAndDestroy(PDBGGUISTATSNODE pNode);
451
452	/**
453	* Destroys a statistics tree.
454	*
455	* @param a_pRoot The root of the tree. NULL is fine.
456	*/
457	static void destroyTree(PDBGGUISTATSNODE a_pRoot);
458
459	/**
460	* Stringifies exactly one node, no children.
461	*
462	* This is for logging and clipboard.
463	*
464	* @param a_pNode The node.
465	* @param a_rString The string to append the stringified node to.
466	*/
467	static void stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString);
468
469	/**
470	* Stringifies a node and its children.
471	*
472	* This is for logging and clipboard.
473	*
474	* @param a_pNode The node.
475	* @param a_rString The string to append the stringified node to.
476	*/
477	static void stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString);
478
479	public:
480	/**
481	* Converts the specified tree to string.
482	*
483	* This is for logging and clipboard.
484	*
485	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
486	* @param a_rString Where to return to return the string dump.
487	*/
488	void stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const;
489
490	/**
491	* Dumps the given (sub-)tree as XML.
492	*
493	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
494	* @param a_rString Where to return to return the XML dump.
495	*/
496	void xmlifyTree(QModelIndex &a_rRoot, QString &a_rString) const;
497
498	/**
499	* Puts the stringified tree on the clipboard.
500	*
501	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
502	*/
503	void copyTreeToClipboard(QModelIndex &a_rRoot) const;
504
505
506	protected:
507	/** Worker for logTree. */
508	static void logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog);
509
510	public:
511	/** Logs a (sub-)tree.
512	*
513	* @param a_rRoot Where to start. Use QModelIndex() to start at the root.
514	* @param a_fReleaseLog Whether to use the release log (true) or the debug log (false).
515	*/
516	void logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const;
517
518	protected:
519	/** Gets the unit. */
520	static QString strUnit(PCDBGGUISTATSNODE pNode);
521	/** Gets the value/times. */
522	static QString strValueTimes(PCDBGGUISTATSNODE pNode);
523	/** Gets the minimum value. */
524	static QString strMinValue(PCDBGGUISTATSNODE pNode);
525	/** Gets the average value. */
526	static QString strAvgValue(PCDBGGUISTATSNODE pNode);
527	/** Gets the maximum value. */
528	static QString strMaxValue(PCDBGGUISTATSNODE pNode);
529	/** Gets the total value. */
530	static QString strTotalValue(PCDBGGUISTATSNODE pNode);
531	/** Gets the delta value. */
532	static QString strDeltaValue(PCDBGGUISTATSNODE pNode);
533
534	/**
535	* Destroys a node and all its children.
536	*
537	* @param a_pNode The node to destroy.
538	*/
539	static void destroyNode(PDBGGUISTATSNODE a_pNode);
540
541	/**
542	* Converts an index to a node pointer.
543	*
544	* @returns Pointer to the node, NULL if invalid reference.
545	* @param a_rIndex Reference to the index
546	*/
547	inline PDBGGUISTATSNODE nodeFromIndex(const QModelIndex &a_rIndex) const
548	{
549	if (RT_LIKELY(a_rIndex.isValid()))
550	return (PDBGGUISTATSNODE)a_rIndex.internalPointer();
551	return NULL;
552	}
553
554	public:
555
556	/** @name Overridden QAbstractItemModel methods
557	* @{ */
558	virtual int columnCount(const QModelIndex &a_rParent) const;
559	virtual QVariant data(const QModelIndex &a_rIndex, int a_eRole) const;
560	virtual Qt::ItemFlags flags(const QModelIndex &a_rIndex) const;
561	virtual bool hasChildren(const QModelIndex &a_rParent) const;
562	virtual QVariant headerData(int a_iSection, Qt::Orientation a_ePrientation, int a_eRole) const;
563	virtual QModelIndex index(int a_iRow, int a_iColumn, const QModelIndex &a_rParent) const;
564	virtual QModelIndex parent(const QModelIndex &a_rChild) const;
565	virtual int rowCount(const QModelIndex &a_rParent) const;
566	///virtual void sort(int a_iColumn, Qt::SortOrder a_eOrder);
567	/** @} */
568	};
569
570
571	/**
572	* Model using the VM / STAM interface as data source.
573	*/
574	class VBoxDbgStatsModelVM : public VBoxDbgStatsModel, public VBoxDbgBase
575	{
576	public:
577	/**
578	* Constructor.
579	*
580	* @param a_pDbgGui Pointer to the debugger gui object.
581	* @param a_rPatStr The selection pattern.
582	* @param a_pParent The parent object. NULL is fine.
583	*/
584	VBoxDbgStatsModelVM(VBoxDbgGui a_pDbgGui, QString &a_rPatStr, QObject a_pParent);
585
586	/** Destructor */
587	virtual ~VBoxDbgStatsModelVM();
588
589	virtual bool updateStatsByPattern(const QString &a_rPatStr);
590	virtual void resetStatsByPattern(const QString &a_rPatStr);
591
592	protected:
593	/**
594	* Enumeration callback used by createNewTree.
595	*/
596	static DECLCALLBACK(int) createNewTreeCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
597	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser);
598
599	/**
600	* Constructs a new statistics tree by query data from the VM.
601	*
602	* @returns Pointer to the root of the tree we've constructed. This will be NULL
603	* if the STAM API throws an error or we run out of memory.
604	* @param a_rPatStr The selection pattern.
605	*/
606	PDBGGUISTATSNODE createNewTree(QString &a_rPatStr);
607	};
608
609
610	/*********************************************************************************************************************************
611	* Internal Functions *
612	*********************************************************************************************************************************/
613
614
615	/**
616	* Formats a number into a 64-byte buffer.
617	*/
618	static char formatNumber(char psz, uint64_t u64)
619	{
620	static const char s_szDigits[] = "0123456789";
621	psz += 63;
622	*psz-- = '\0';
623	unsigned cDigits = 0;
624	for (;;)
625	{
626	const unsigned iDigit = u64 % 10;
627	u64 /= 10;
628	*psz = s_szDigits[iDigit];
629	if (!u64)
630	break;
631	psz--;
632	if (!(++cDigits % 3))
633	*psz-- = ',';
634	}
635	return psz;
636	}
637
638
639	/**
640	* Formats a number into a 64-byte buffer.
641	* (18 446 744 073 709 551 615)
642	*/
643	static char formatNumberSigned(char psz, int64_t i64)
644	{
645	static const char s_szDigits[] = "0123456789";
646	psz += 63;
647	*psz-- = '\0';
648	const bool fNegative = i64 < 0;
649	uint64_t u64 = fNegative ? -i64 : i64;
650	unsigned cDigits = 0;
651	for (;;)
652	{
653	const unsigned iDigit = u64 % 10;
654	u64 /= 10;
655	*psz = s_szDigits[iDigit];
656	if (!u64)
657	break;
658	psz--;
659	if (!(++cDigits % 3))
660	*psz-- = ',';
661	}
662	if (fNegative)
663	*--psz = '-';
664	return psz;
665	}
666
667
668	/**
669	* Formats a unsigned hexadecimal number into a into a 64-byte buffer.
670	*/
671	static char formatHexNumber(char psz, uint64_t u64, unsigned cZeros)
672	{
673	static const char s_szDigits[] = "0123456789abcdef";
674	psz += 63;
675	*psz-- = '\0';
676	unsigned cDigits = 0;
677	for (;;)
678	{
679	const unsigned iDigit = u64 % 16;
680	u64 /= 16;
681	*psz = s_szDigits[iDigit];
682	++cDigits;
683	if (!u64 && cDigits >= cZeros)
684	break;
685	psz--;
686	if (!(cDigits % 8))
687	*psz-- = '\'';
688	}
689	return psz;
690	}
691
692
693	#if 0/* unused */
694	/**
695	* Formats a sort key number.
696	*/
697	static void formatSortKey(char *psz, uint64_t u64)
698	{
699	static const char s_szDigits[] = "0123456789abcdef";
700	/* signed */
701	*psz++ = '+';
702
703	/* 16 hex digits */
704	psz[16] = '\0';
705	unsigned i = 16;
706	while (i-- > 0)
707	{
708	if (u64)
709	{
710	const unsigned iDigit = u64 % 16;
711	u64 /= 16;
712	psz[i] = s_szDigits[iDigit];
713	}
714	else
715	psz[i] = '0';
716	}
717	}
718	#endif
719
720
721	#if 0/* unused */
722	/**
723	* Formats a sort key number.
724	*/
725	static void formatSortKeySigned(char *psz, int64_t i64)
726	{
727	static const char s_szDigits[] = "0123456789abcdef";
728
729	/* signed */
730	uint64_t u64;
731	if (i64 >= 0)
732	{
733	*psz++ = '+';
734	u64 = i64;
735	}
736	else
737	{
738	*psz++ = '-';
739	u64 = -i64;
740	}
741
742	/* 16 hex digits */
743	psz[16] = '\0';
744	unsigned i = 16;
745	while (i-- > 0)
746	{
747	if (u64)
748	{
749	const unsigned iDigit = u64 % 16;
750	u64 /= 16;
751	psz[i] = s_szDigits[iDigit];
752	}
753	else
754	psz[i] = '0';
755	}
756	}
757	#endif
758
759
760
761	/*
762	*
763	* V B o x D b g S t a t s M o d e l
764	* V B o x D b g S t a t s M o d e l
765	* V B o x D b g S t a t s M o d e l
766	*
767	*
768	*/
769
770
771	VBoxDbgStatsModel::VBoxDbgStatsModel(QObject *a_pParent)
772	: QAbstractItemModel(a_pParent),
773	m_pRoot(NULL), m_iUpdateChild(UINT32_MAX), m_pUpdateParent(NULL), m_cchUpdateParent(0)
774	{
775	}
776
777
778
779	VBoxDbgStatsModel::~VBoxDbgStatsModel()
780	{
781	destroyTree(m_pRoot);
782	m_pRoot = NULL;
783	}
784
785
786	/static/ void
787	VBoxDbgStatsModel::destroyTree(PDBGGUISTATSNODE a_pRoot)
788	{
789	if (!a_pRoot)
790	return;
791	Assert(!a_pRoot->pParent);
792	Assert(!a_pRoot->iSelf);
793
794	destroyNode(a_pRoot);
795	}
796
797
798	/* static*/ void
799	VBoxDbgStatsModel::destroyNode(PDBGGUISTATSNODE a_pNode)
800	{
801	/* destroy all our children */
802	uint32_t i = a_pNode->cChildren;
803	while (i-- > 0)
804	{
805	destroyNode(a_pNode->papChildren[i]);
806	a_pNode->papChildren[i] = NULL;
807	}
808
809	/* free the resources we're using */
810	a_pNode->pParent = NULL;
811
812	RTMemFree(a_pNode->papChildren);
813	a_pNode->papChildren = NULL;
814
815	if (a_pNode->enmType == STAMTYPE_CALLBACK)
816	{
817	delete a_pNode->Data.pStr;
818	a_pNode->Data.pStr = NULL;
819	}
820
821	a_pNode->cChildren = 0;
822	a_pNode->iSelf = UINT32_MAX;
823	a_pNode->enmUnit = STAMUNIT_INVALID;
824	a_pNode->enmType = STAMTYPE_INVALID;
825
826	RTMemFree(a_pNode->pszName);
827	a_pNode->pszName = NULL;
828
829	if (a_pNode->pDescStr)
830	{
831	delete a_pNode->pDescStr;
832	a_pNode->pDescStr = NULL;
833	}
834
835	#ifdef VBOX_STRICT
836	/* poison it. */
837	a_pNode->pParent++;
838	a_pNode->Data.pStr++;
839	a_pNode->pDescStr++;
840	a_pNode->papChildren++;
841	a_pNode->cChildren = 8442;
842	#endif
843
844	/* Finally ourselves */
845	a_pNode->enmState = kDbgGuiStatsNodeState_kInvalid;
846	RTMemFree(a_pNode);
847	}
848
849
850	/static/ PDBGGUISTATSNODE
851	VBoxDbgStatsModel::createRootNode(void)
852	{
853	PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE));
854	if (!pRoot)
855	return NULL;
856	pRoot->iSelf = 0;
857	pRoot->enmType = STAMTYPE_INVALID;
858	pRoot->enmUnit = STAMUNIT_INVALID;
859	pRoot->pszName = (char *)RTMemDup("/", sizeof("/"));
860	pRoot->cchName = 1;
861	pRoot->enmState = kDbgGuiStatsNodeState_kRoot;
862
863	return pRoot;
864	}
865
866
867	/static/ PDBGGUISTATSNODE
868	VBoxDbgStatsModel::createAndInsertNode(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition)
869	{
870	/*
871	* Create it.
872	*/
873	PDBGGUISTATSNODE pNode = (PDBGGUISTATSNODE)RTMemAllocZ(sizeof(DBGGUISTATSNODE));
874	if (!pNode)
875	return NULL;
876	pNode->iSelf = UINT32_MAX;
877	pNode->enmType = STAMTYPE_INVALID;
878	pNode->enmUnit = STAMUNIT_INVALID;
879	pNode->pszName = (char *)RTMemDupEx(pszName, cchName, 1);
880	pNode->cchName = cchName;
881	pNode->enmState = kDbgGuiStatsNodeState_kVisible;
882
883	/*
884	* Do we need to expand the array?
885	*/
886	if (!(pParent->cChildren & 31))
887	{
888	void pvNew = RTMemRealloc(pParent->papChildren, sizeof(pParent->papChildren) * (pParent->cChildren + 32));
889	if (!pvNew)
890	{
891	destroyNode(pNode);
892	return NULL;
893	}
894	pParent->papChildren = (PDBGGUISTATSNODE *)pvNew;
895	}
896
897	/*
898	* Insert it.
899	*/
900	pNode->pParent = pParent;
901	if (iPosition >= pParent->cChildren)
902	/* Last. */
903	iPosition = pParent->cChildren;
904	else
905	{
906	/* Shift all the items after ours. */
907	uint32_t iShift = pParent->cChildren;
908	while (iShift-- > iPosition)
909	{
910	PDBGGUISTATSNODE pChild = pParent->papChildren[iShift];
911	pParent->papChildren[iShift + 1] = pChild;
912	pChild->iSelf = iShift + 1;
913	}
914	}
915
916	/* Insert ours */
917	pNode->iSelf = iPosition;
918	pParent->papChildren[iPosition] = pNode;
919	pParent->cChildren++;
920
921	return pNode;
922	}
923
924
925	PDBGGUISTATSNODE
926	VBoxDbgStatsModel::createAndInsert(PDBGGUISTATSNODE pParent, const char *pszName, size_t cchName, uint32_t iPosition)
927	{
928	PDBGGUISTATSNODE pNode;
929	if (m_fUpdateInsertRemove)
930	pNode = createAndInsertNode(pParent, pszName, cchName, iPosition);
931	else
932	{
933	beginInsertRows(createIndex(pParent->iSelf, 0, pParent), 0, 0);
934	pNode = createAndInsertNode(pParent, pszName, cchName, iPosition);
935	endInsertRows();
936	}
937	return pNode;
938	}
939
940	/static/ PDBGGUISTATSNODE
941	VBoxDbgStatsModel::removeNode(PDBGGUISTATSNODE pNode)
942	{
943	PDBGGUISTATSNODE pParent = pNode->pParent;
944	if (pParent)
945	{
946	uint32_t iPosition = pNode->iSelf;
947	Assert(pParent->papChildren[iPosition] == pNode);
948	uint32_t const cChildren = --pParent->cChildren;
949	for (; iPosition < cChildren; iPosition++)
950	{
951	PDBGGUISTATSNODE pChild = pParent->papChildren[iPosition + 1];
952	pParent->papChildren[iPosition] = pChild;
953	pChild->iSelf = iPosition;
954	}
955	#ifdef VBOX_STRICT /* poison */
956	pParent->papChildren[iPosition] = (PDBGGUISTATSNODE)0x42;
957	#endif
958	}
959	return pNode;
960	}
961
962
963	/static/ void
964	VBoxDbgStatsModel::removeAndDestroyNode(PDBGGUISTATSNODE pNode)
965	{
966	removeNode(pNode);
967	destroyNode(pNode);
968	}
969
970
971	void
972	VBoxDbgStatsModel::removeAndDestroy(PDBGGUISTATSNODE pNode)
973	{
974	if (m_fUpdateInsertRemove)
975	removeAndDestroyNode(pNode);
976	else
977	{
978	/*
979	* Removing is fun since the docs are imprecise as to how persistent
980	* indexes are updated (or aren't). So, let try a few different ideas
981	* and see which works.
982	*/
983	#if 1
984	/* destroy the children first with the appropriate begin/endRemoveRows signals. */
985	DBGGUISTATSSTACK Stack;
986	Stack.a[0].pNode = pNode;
987	Stack.a[0].iChild = -1;
988	Stack.iTop = 0;
989	while (Stack.iTop >= 0)
990	{
991	/* get top element */
992	PDBGGUISTATSNODE pCurNode = Stack.a[Stack.iTop].pNode;
993	uint32_t iChild = ++Stack.a[Stack.iTop].iChild;
994	if (iChild < pCurNode->cChildren)
995	{
996	/* push */
997	Stack.iTop++;
998	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
999	Stack.a[Stack.iTop].pNode = pCurNode->papChildren[iChild];
1000	Stack.a[Stack.iTop].iChild = 0;
1001	}
1002	else
1003	{
1004	/* pop and destroy all the children. */
1005	Stack.iTop--;
1006	uint32_t i = pCurNode->cChildren;
1007	if (i)
1008	{
1009	beginRemoveRows(createIndex(pCurNode->iSelf, 0, pCurNode), 0, i - 1);
1010	while (i-- > 0)
1011	destroyNode(pCurNode->papChildren[i]);
1012	pCurNode->cChildren = 0;
1013	endRemoveRows();
1014	}
1015	}
1016	}
1017	Assert(!pNode->cChildren);
1018
1019	/* finally the node it self. */
1020	PDBGGUISTATSNODE pParent = pNode->pParent;
1021	beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf);
1022	removeAndDestroyNode(pNode);
1023	endRemoveRows();
1024
1025	#elif 0
1026	/* This ain't working, leaves invalid indexes behind. */
1027	PDBGGUISTATSNODE pParent = pNode->pParent;
1028	beginRemoveRows(createIndex(pParent->iSelf, 0, pParent), pNode->iSelf, pNode->iSelf);
1029	removeAndDestroyNode(pNode);
1030	endRemoveRows();
1031	#else
1032	/* Force reset() of the model after the update. */
1033	m_fUpdateInsertRemove = true;
1034	removeAndDestroyNode(pNode);
1035	#endif
1036	}
1037	}
1038
1039
1040	/static/ void
1041	VBoxDbgStatsModel::resetNode(PDBGGUISTATSNODE pNode)
1042	{
1043	/* free and reinit the data. */
1044	if (pNode->enmType == STAMTYPE_CALLBACK)
1045	{
1046	delete pNode->Data.pStr;
1047	pNode->Data.pStr = NULL;
1048	}
1049	pNode->enmType = STAMTYPE_INVALID;
1050
1051	/* free the description. */
1052	if (pNode->pDescStr)
1053	{
1054	delete pNode->pDescStr;
1055	pNode->pDescStr = NULL;
1056	}
1057	}
1058
1059
1060	/static/ int
1061	VBoxDbgStatsModel::initNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc)
1062	{
1063	/*
1064	* Copy the data.
1065	*/
1066	pNode->enmUnit = enmUnit;
1067	Assert(pNode->enmType == STAMTYPE_INVALID);
1068	pNode->enmType = enmType;
1069	if (pszDesc)
1070	pNode->pDescStr = new QString(pszDesc); /* ignore allocation failure (well, at least up to the point we can ignore it) */
1071
1072	switch (enmType)
1073	{
1074	case STAMTYPE_COUNTER:
1075	pNode->Data.Counter = *(PSTAMCOUNTER)pvSample;
1076	break;
1077
1078	case STAMTYPE_PROFILE:
1079	case STAMTYPE_PROFILE_ADV:
1080	pNode->Data.Profile = *(PSTAMPROFILE)pvSample;
1081	break;
1082
1083	case STAMTYPE_RATIO_U32:
1084	case STAMTYPE_RATIO_U32_RESET:
1085	pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample;
1086	break;
1087
1088	case STAMTYPE_CALLBACK:
1089	{
1090	const char pszString = (const char )pvSample;
1091	pNode->Data.pStr = new QString(pszString);
1092	break;
1093	}
1094
1095	case STAMTYPE_U8:
1096	case STAMTYPE_U8_RESET:
1097	case STAMTYPE_X8:
1098	case STAMTYPE_X8_RESET:
1099	pNode->Data.u8 = (uint8_t )pvSample;
1100	break;
1101
1102	case STAMTYPE_U16:
1103	case STAMTYPE_U16_RESET:
1104	case STAMTYPE_X16:
1105	case STAMTYPE_X16_RESET:
1106	pNode->Data.u16 = (uint16_t )pvSample;
1107	break;
1108
1109	case STAMTYPE_U32:
1110	case STAMTYPE_U32_RESET:
1111	case STAMTYPE_X32:
1112	case STAMTYPE_X32_RESET:
1113	pNode->Data.u32 = (uint32_t )pvSample;
1114	break;
1115
1116	case STAMTYPE_U64:
1117	case STAMTYPE_U64_RESET:
1118	case STAMTYPE_X64:
1119	case STAMTYPE_X64_RESET:
1120	pNode->Data.u64 = (uint64_t )pvSample;
1121	break;
1122
1123	case STAMTYPE_BOOL:
1124	case STAMTYPE_BOOL_RESET:
1125	pNode->Data.f = (bool )pvSample;
1126	break;
1127
1128	default:
1129	AssertMsgFailed(("%d\n", enmType));
1130	break;
1131	}
1132
1133	return VINF_SUCCESS;
1134	}
1135
1136
1137
1138
1139	/static/ void
1140	VBoxDbgStatsModel::updateNode(PDBGGUISTATSNODE pNode, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit, const char pszDesc)
1141	{
1142
1143	/*
1144	* Reset and init the node if the type changed.
1145	*/
1146	if (enmType != pNode->enmType)
1147	{
1148	if (pNode->enmType != STAMTYPE_INVALID)
1149	resetNode(pNode);
1150	initNode(pNode, enmType, pvSample, enmUnit, pszDesc);
1151	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1152	}
1153	else
1154	{
1155	/*
1156	* ASSUME that only the sample value will change and that the unit, visibility
1157	* and description remains the same.
1158	*/
1159
1160	int64_t iDelta;
1161	switch (enmType)
1162	{
1163	case STAMTYPE_COUNTER:
1164	{
1165	uint64_t cPrev = pNode->Data.Counter.c;
1166	pNode->Data.Counter = *(PSTAMCOUNTER)pvSample;
1167	iDelta = pNode->Data.Counter.c - cPrev;
1168	if (iDelta \|\| pNode->i64Delta)
1169	{
1170	pNode->i64Delta = iDelta;
1171	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1172	}
1173	break;
1174	}
1175
1176	case STAMTYPE_PROFILE:
1177	case STAMTYPE_PROFILE_ADV:
1178	{
1179	uint64_t cPrevPeriods = pNode->Data.Profile.cPeriods;
1180	pNode->Data.Profile = *(PSTAMPROFILE)pvSample;
1181	iDelta = pNode->Data.Profile.cPeriods - cPrevPeriods;
1182	if (iDelta \|\| pNode->i64Delta)
1183	{
1184	pNode->i64Delta = iDelta;
1185	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1186	}
1187	break;
1188	}
1189
1190	case STAMTYPE_RATIO_U32:
1191	case STAMTYPE_RATIO_U32_RESET:
1192	{
1193	STAMRATIOU32 Prev = pNode->Data.RatioU32;
1194	pNode->Data.RatioU32 = *(PSTAMRATIOU32)pvSample;
1195	int32_t iDeltaA = pNode->Data.RatioU32.u32A - Prev.u32A;
1196	int32_t iDeltaB = pNode->Data.RatioU32.u32B - Prev.u32B;
1197	if (iDeltaA == 0 && iDeltaB == 0)
1198	{
1199	if (pNode->i64Delta)
1200	{
1201	pNode->i64Delta = 0;
1202	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1203	}
1204	}
1205	else
1206	{
1207	if (iDeltaA >= 0)
1208	pNode->i64Delta = iDeltaA + (iDeltaB >= 0 ? iDeltaB : -iDeltaB);
1209	else
1210	pNode->i64Delta = iDeltaA + (iDeltaB < 0 ? iDeltaB : -iDeltaB);
1211	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1212	}
1213	break;
1214	}
1215
1216	case STAMTYPE_CALLBACK:
1217	{
1218	const char pszString = (const char )pvSample;
1219	if (!pNode->Data.pStr)
1220	{
1221	pNode->Data.pStr = new QString(pszString);
1222	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1223	}
1224	else if (*pNode->Data.pStr == pszString)
1225	{
1226	delete pNode->Data.pStr;
1227	pNode->Data.pStr = new QString(pszString);
1228	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1229	}
1230	break;
1231	}
1232
1233	case STAMTYPE_U8:
1234	case STAMTYPE_U8_RESET:
1235	case STAMTYPE_X8:
1236	case STAMTYPE_X8_RESET:
1237	{
1238	uint8_t uPrev = pNode->Data.u8;
1239	pNode->Data.u8 = (uint8_t )pvSample;
1240	iDelta = (int32_t)pNode->Data.u8 - (int32_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_U16:
1250	case STAMTYPE_U16_RESET:
1251	case STAMTYPE_X16:
1252	case STAMTYPE_X16_RESET:
1253	{
1254	uint16_t uPrev = pNode->Data.u16;
1255	pNode->Data.u16 = (uint16_t )pvSample;
1256	iDelta = (int32_t)pNode->Data.u16 - (int32_t)uPrev;
1257	if (iDelta \|\| pNode->i64Delta)
1258	{
1259	pNode->i64Delta = iDelta;
1260	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1261	}
1262	break;
1263	}
1264
1265	case STAMTYPE_U32:
1266	case STAMTYPE_U32_RESET:
1267	case STAMTYPE_X32:
1268	case STAMTYPE_X32_RESET:
1269	{
1270	uint32_t uPrev = pNode->Data.u32;
1271	pNode->Data.u32 = (uint32_t )pvSample;
1272	iDelta = (int64_t)pNode->Data.u32 - (int64_t)uPrev;
1273	if (iDelta \|\| pNode->i64Delta)
1274	{
1275	pNode->i64Delta = iDelta;
1276	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1277	}
1278	break;
1279	}
1280
1281	case STAMTYPE_U64:
1282	case STAMTYPE_U64_RESET:
1283	case STAMTYPE_X64:
1284	case STAMTYPE_X64_RESET:
1285	{
1286	uint64_t uPrev = pNode->Data.u64;
1287	pNode->Data.u64 = (uint64_t )pvSample;
1288	iDelta = pNode->Data.u64 - uPrev;
1289	if (iDelta \|\| pNode->i64Delta)
1290	{
1291	pNode->i64Delta = iDelta;
1292	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1293	}
1294	break;
1295	}
1296
1297	case STAMTYPE_BOOL:
1298	case STAMTYPE_BOOL_RESET:
1299	{
1300	bool fPrev = pNode->Data.f;
1301	pNode->Data.f = (bool )pvSample;
1302	iDelta = pNode->Data.f - fPrev;
1303	if (iDelta \|\| pNode->i64Delta)
1304	{
1305	pNode->i64Delta = iDelta;
1306	pNode->enmState = kDbgGuiStatsNodeState_kRefresh;
1307	}
1308	break;
1309	}
1310
1311	default:
1312	AssertMsgFailed(("%d\n", enmType));
1313	break;
1314	}
1315	}
1316	}
1317
1318
1319	/static/ ssize_t
1320	VBoxDbgStatsModel::getNodePath(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch)
1321	{
1322	ssize_t off;
1323	if (!pNode->pParent)
1324	{
1325	/* root - don't add it's slash! */
1326	AssertReturn(cch >= 1, -1);
1327	off = 0;
1328	*psz = '\0';
1329	}
1330	else
1331	{
1332	cch -= pNode->cchName + 1;
1333	AssertReturn(cch > 0, -1);
1334	off = getNodePath(pNode->pParent, psz, cch);
1335	if (off >= 0)
1336	{
1337	psz[off++] = '/';
1338	memcpy(&psz[off], pNode->pszName, pNode->cchName + 1);
1339	off += pNode->cchName;
1340	}
1341	}
1342	return off;
1343	}
1344
1345
1346	/static/ char *
1347	VBoxDbgStatsModel::getNodePath2(PCDBGGUISTATSNODE pNode, char *psz, ssize_t cch)
1348	{
1349	if (VBoxDbgStatsModel::getNodePath(pNode, psz, cch) < 0)
1350	return NULL;
1351	return psz;
1352	}
1353
1354
1355
1356	/static/ bool
1357	VBoxDbgStatsModel::isNodeAncestorOf(PCDBGGUISTATSNODE pAncestor, PCDBGGUISTATSNODE pDescendant)
1358	{
1359	while (pDescendant)
1360	{
1361	pDescendant = pDescendant->pParent;
1362	if (pDescendant == pAncestor)
1363	return true;
1364	}
1365	return false;
1366	}
1367
1368
1369	/static/ PDBGGUISTATSNODE
1370	VBoxDbgStatsModel::nextNode(PDBGGUISTATSNODE pNode)
1371	{
1372	if (!pNode)
1373	return NULL;
1374
1375	/* descend to children. */
1376	if (pNode->cChildren)
1377	return pNode->papChildren[0];
1378
1379	PDBGGUISTATSNODE pParent = pNode->pParent;
1380	if (!pParent)
1381	return NULL;
1382
1383	/* next sibling. */
1384	if (pNode->iSelf + 1 < pNode->pParent->cChildren)
1385	return pParent->papChildren[pNode->iSelf + 1];
1386
1387	/* ascend and advanced to a parent's sibiling. */
1388	for (;;)
1389	{
1390	uint32_t iSelf = pParent->iSelf;
1391	pParent = pParent->pParent;
1392	if (!pParent)
1393	return NULL;
1394	if (iSelf + 1 < pParent->cChildren)
1395	return pParent->papChildren[iSelf + 1];
1396	}
1397	}
1398
1399
1400	/static/ PDBGGUISTATSNODE
1401	VBoxDbgStatsModel::nextDataNode(PDBGGUISTATSNODE pNode)
1402	{
1403	do
1404	pNode = nextNode(pNode);
1405	while ( pNode
1406	&& pNode->enmType == STAMTYPE_INVALID);
1407	return pNode;
1408	}
1409
1410
1411	/static/ PDBGGUISTATSNODE
1412	VBoxDbgStatsModel::prevNode(PDBGGUISTATSNODE pNode)
1413	{
1414	if (!pNode)
1415	return NULL;
1416	PDBGGUISTATSNODE pParent = pNode->pParent;
1417	if (!pParent)
1418	return NULL;
1419
1420	/* previous sibling's latest descendant (better expression anyone?). */
1421	if (pNode->iSelf > 0)
1422	{
1423	pNode = pParent->papChildren[pNode->iSelf - 1];
1424	while (pNode->cChildren)
1425	pNode = pNode->papChildren[pNode->cChildren - 1];
1426	return pNode;
1427	}
1428
1429	/* ascend to the parent. */
1430	return pParent;
1431	}
1432
1433
1434	/static/ PDBGGUISTATSNODE
1435	VBoxDbgStatsModel::prevDataNode(PDBGGUISTATSNODE pNode)
1436	{
1437	do
1438	pNode = prevNode(pNode);
1439	while ( pNode
1440	&& pNode->enmType == STAMTYPE_INVALID);
1441	return pNode;
1442	}
1443
1444
1445	#if 0
1446	/static/ PDBGGUISTATSNODE
1447	VBoxDbgStatsModel::createNewTree(IMachineDebugger *a_pIMachineDebugger)
1448	{
1449	/** @todo */
1450	return NULL;
1451	}
1452	#endif
1453
1454
1455	#if 0
1456	/static/ PDBGGUISTATSNODE
1457	VBoxDbgStatsModel::createNewTree(const char *pszFilename)
1458	{
1459	/** @todo */
1460	return NULL;
1461	}
1462	#endif
1463
1464
1465	#if 0
1466	/static/ PDBGGUISTATSNODE
1467	VBoxDbgStatsModel::createDiffTree(PDBGGUISTATSNODE pTree1, PDBGGUISTATSNODE pTree2)
1468	{
1469	/** @todo */
1470	return NULL;
1471	}
1472	#endif
1473
1474
1475	PDBGGUISTATSNODE
1476	VBoxDbgStatsModel::updateCallbackHandleOutOfOrder(const char *pszName)
1477	{
1478	#if defined(VBOX_STRICT) \|\| defined(LOG_ENABLED)
1479	char szStrict[1024];
1480	#endif
1481
1482	/*
1483	* We might be inserting a new node between pPrev and pNode
1484	* or we might be removing one or more nodes. Either case is
1485	* handled in the same rough way.
1486	*
1487	* Might consider optimizing insertion at some later point since this
1488	* is a normal occurrence (dynamic statistics in PATM, IOM, MM, ++).
1489	*/
1490	Assert(pszName[0] == '/');
1491	Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/');
1492
1493	/*
1494	* Start with the current parent node and look for a common ancestor
1495	* hoping that this is faster than going from the root (saves lookup).
1496	*/
1497	PDBGGUISTATSNODE pNode = m_pUpdateParent->papChildren[m_iUpdateChild];
1498	PDBGGUISTATSNODE const pPrev = prevDataNode(pNode);
1499	AssertMsg(strcmp(pszName, getNodePath2(pNode, szStrict, sizeof(szStrict))), ("%s\n", szStrict));
1500	AssertMsg(!pPrev \|\| strcmp(pszName, getNodePath2(pPrev, szStrict, sizeof(szStrict))), ("%s\n", szStrict));
1501	Log(("updateCallbackHandleOutOfOrder: pszName='%s' m_szUpdateParent='%s' m_cchUpdateParent=%u pNode='%s'\n",
1502	pszName, m_szUpdateParent, m_cchUpdateParent, getNodePath2(pNode, szStrict, sizeof(szStrict))));
1503
1504	pNode = pNode->pParent;
1505	while (pNode != m_pRoot)
1506	{
1507	if (!strncmp(pszName, m_szUpdateParent, m_cchUpdateParent))
1508	break;
1509	Assert(m_cchUpdateParent > pNode->cchName);
1510	m_cchUpdateParent -= pNode->cchName + 1;
1511	m_szUpdateParent[m_cchUpdateParent] = '\0';
1512	Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u, removed '/%s' (%u)\n", m_szUpdateParent, m_cchUpdateParent, pNode->pszName, __LINE__));
1513	pNode = pNode->pParent;
1514	}
1515	Assert(m_szUpdateParent[m_cchUpdateParent - 1] == '/');
1516
1517	/*
1518	* Descend until we've found/created the node pszName indicates,
1519	* modifying m_szUpdateParent as we go along.
1520	*/
1521	while (pszName[m_cchUpdateParent - 1] == '/')
1522	{
1523	/* Find the end of this component. */
1524	const char * const pszSubName = &pszName[m_cchUpdateParent];
1525	const char *pszEnd = strchr(pszSubName, '/');
1526	if (!pszEnd)
1527	pszEnd = strchr(pszSubName, '\0');
1528	size_t cchSubName = pszEnd - pszSubName;
1529
1530	/* Add the name to the path. */
1531	memcpy(&m_szUpdateParent[m_cchUpdateParent], pszSubName, cchSubName);
1532	m_cchUpdateParent += cchSubName;
1533	m_szUpdateParent[m_cchUpdateParent++] = '/';
1534	m_szUpdateParent[m_cchUpdateParent] = '\0';
1535	Assert(m_cchUpdateParent < sizeof(m_szUpdateParent));
1536	Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u (%u)\n", m_szUpdateParent, m_cchUpdateParent, __LINE__));
1537
1538	if (!pNode->cChildren)
1539	{
1540	/* first child */
1541	pNode = createAndInsert(pNode, pszSubName, cchSubName, 0);
1542	AssertReturn(pNode, NULL);
1543	}
1544	else
1545	{
1546	/* binary search. */
1547	int32_t iStart = 0;
1548	int32_t iLast = pNode->cChildren - 1;
1549	for (;;)
1550	{
1551	int32_t i = iStart + (iLast + 1 - iStart) / 2;
1552	int iDiff;
1553	size_t const cchCompare = RT_MIN(pNode->papChildren[i]->cchName, cchSubName);
1554	iDiff = memcmp(pszSubName, pNode->papChildren[i]->pszName, cchCompare);
1555	if (!iDiff)
1556	{
1557	iDiff = cchSubName == cchCompare ? 0 : cchSubName > cchCompare ? 1 : -1;
1558	/* For cases when exisiting node name is same as new node name with additional characters. */
1559	if (!iDiff)
1560	iDiff = cchSubName == pNode->papChildren[i]->cchName ? 0 : cchSubName > pNode->papChildren[i]->cchName ? 1 : -1;
1561	}
1562	if (iDiff > 0)
1563	{
1564	iStart = i + 1;
1565	if (iStart > iLast)
1566	{
1567	pNode = createAndInsert(pNode, pszSubName, cchSubName, iStart);
1568	AssertReturn(pNode, NULL);
1569	break;
1570	}
1571	}
1572	else if (iDiff < 0)
1573	{
1574	iLast = i - 1;
1575	if (iLast < iStart)
1576	{
1577	pNode = createAndInsert(pNode, pszSubName, cchSubName, i);
1578	AssertReturn(pNode, NULL);
1579	break;
1580	}
1581	}
1582	else
1583	{
1584	pNode = pNode->papChildren[i];
1585	break;
1586	}
1587	}
1588	}
1589	}
1590	Assert( !memcmp(pszName, m_szUpdateParent, m_cchUpdateParent - 2)
1591	&& pszName[m_cchUpdateParent - 1] == '\0');
1592
1593	/*
1594	* Remove all the nodes between pNode and pPrev but keep all
1595	* of pNode's ancestors (or it'll get orphaned).
1596	*/
1597	PDBGGUISTATSNODE pCur = prevNode(pNode);
1598	while (pCur != pPrev)
1599	{
1600	PDBGGUISTATSNODE pAdv = prevNode(pCur); Assert(pAdv \|\| !pPrev);
1601	if (!isNodeAncestorOf(pCur, pNode))
1602	{
1603	Assert(pCur != m_pRoot);
1604	removeAndDestroy(pCur);
1605	}
1606	pCur = pAdv;
1607	}
1608
1609	/*
1610	* Remove the data from all ancestors of pNode that it doesn't
1611	* share them pPrev.
1612	*/
1613	if (pPrev)
1614	{
1615	pCur = pNode->pParent;
1616	while (!isNodeAncestorOf(pCur, pPrev))
1617	{
1618	resetNode(pNode);
1619	pCur = pCur->pParent;
1620	}
1621	}
1622
1623	/*
1624	* Finally, adjust the globals (szUpdateParent is one level too deep).
1625	*/
1626	Assert(m_cchUpdateParent > pNode->cchName + 1);
1627	m_cchUpdateParent -= pNode->cchName + 1;
1628	m_szUpdateParent[m_cchUpdateParent] = '\0';
1629	m_pUpdateParent = pNode->pParent;
1630	m_iUpdateChild = pNode->iSelf;
1631	Log2(("updateCallbackHandleOutOfOrder: m_szUpdateParent='%s' m_cchUpdateParent=%u (%u)\n", m_szUpdateParent, m_cchUpdateParent, __LINE__));
1632
1633	return pNode;
1634	}
1635
1636
1637	PDBGGUISTATSNODE
1638	VBoxDbgStatsModel::updateCallbackHandleTail(const char *pszName)
1639	{
1640	/*
1641	* Insert it at the end of the tree.
1642	*
1643	* Do the same as we're doing down in createNewTreeCallback, walk from the
1644	* root and create whatever we need.
1645	*/
1646	AssertReturn(*pszName == '/' && pszName[1] != '/', NULL);
1647	PDBGGUISTATSNODE pNode = m_pRoot;
1648	const char *pszCur = pszName + 1;
1649	while (*pszCur)
1650	{
1651	/* Find the end of this component. */
1652	const char *pszNext = strchr(pszCur, '/');
1653	if (!pszNext)
1654	pszNext = strchr(pszCur, '\0');
1655	size_t cchCur = pszNext - pszCur;
1656
1657	/* Create it if it doesn't exist (it will be last if it exists). */
1658	if ( !pNode->cChildren
1659	\|\| strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur)
1660	\|\| pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur])
1661	{
1662	pNode = createAndInsert(pNode, pszCur, pszNext - pszCur, pNode->cChildren);
1663	AssertReturn(pNode, NULL);
1664	}
1665	else
1666	pNode = pNode->papChildren[pNode->cChildren - 1];
1667
1668	/* Advance */
1669	pszCur = *pszNext ? pszNext + 1 : pszNext;
1670	}
1671
1672	return pNode;
1673	}
1674
1675
1676	void
1677	VBoxDbgStatsModel::updateCallbackAdvance(PDBGGUISTATSNODE pNode)
1678	{
1679	/*
1680	* Advance to the next node with data.
1681	*
1682	* ASSUMES a leaf must have data and again we're ASSUMING the sorting
1683	* on slash separated sub-strings.
1684	*/
1685	if (m_iUpdateChild != UINT32_MAX)
1686	{
1687	#ifdef VBOX_STRICT
1688	PDBGGUISTATSNODE const pCorrectNext = nextDataNode(pNode);
1689	#endif
1690	PDBGGUISTATSNODE pParent = pNode->pParent;
1691	if (pNode->cChildren)
1692	{
1693	/* descend to the first child. */
1694	Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent));
1695	memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName);
1696	m_cchUpdateParent += pNode->cchName;
1697	m_szUpdateParent[m_cchUpdateParent++] = '/';
1698	m_szUpdateParent[m_cchUpdateParent] = '\0';
1699
1700	pNode = pNode->papChildren[0];
1701	}
1702	else if (pNode->iSelf + 1 < pParent->cChildren)
1703	{
1704	/* next sibling or one if its descendants. */
1705	Assert(m_pUpdateParent == pParent);
1706	pNode = pParent->papChildren[pNode->iSelf + 1];
1707	}
1708	else
1709	{
1710	/* move up and down- / on-wards */
1711	for (;;)
1712	{
1713	/* ascend */
1714	pNode = pParent;
1715	pParent = pParent->pParent;
1716	if (!pParent)
1717	{
1718	Assert(pNode == m_pRoot);
1719	m_iUpdateChild = UINT32_MAX;
1720	m_szUpdateParent[0] = '\0';
1721	m_cchUpdateParent = 0;
1722	m_pUpdateParent = NULL;
1723	break;
1724	}
1725	Assert(m_cchUpdateParent > pNode->cchName + 1);
1726	m_cchUpdateParent -= pNode->cchName + 1;
1727
1728	/* try advance */
1729	if (pNode->iSelf + 1 < pParent->cChildren)
1730	{
1731	pNode = pParent->papChildren[pNode->iSelf + 1];
1732	m_szUpdateParent[m_cchUpdateParent] = '\0';
1733	break;
1734	}
1735	}
1736	}
1737
1738	/* descend to a node containing data and finalize the globals. (ASSUMES leaf has data.) */
1739	if (m_iUpdateChild != UINT32_MAX)
1740	{
1741	while ( pNode->enmType == STAMTYPE_INVALID
1742	&& pNode->cChildren > 0)
1743	{
1744	Assert(pNode->enmState == kDbgGuiStatsNodeState_kVisible);
1745
1746	Assert(m_cchUpdateParent + pNode->cchName + 2 < sizeof(m_szUpdateParent));
1747	memcpy(&m_szUpdateParent[m_cchUpdateParent], pNode->pszName, pNode->cchName);
1748	m_cchUpdateParent += pNode->cchName;
1749	m_szUpdateParent[m_cchUpdateParent++] = '/';
1750	m_szUpdateParent[m_cchUpdateParent] = '\0';
1751
1752	pNode = pNode->papChildren[0];
1753	}
1754	Assert(pNode->enmType != STAMTYPE_INVALID);
1755	m_iUpdateChild = pNode->iSelf;
1756	m_pUpdateParent = pNode->pParent;
1757	Assert(pNode == pCorrectNext);
1758	}
1759	}
1760	/* else: we're at the end */
1761	}
1762
1763
1764	/static/ DECLCALLBACK(int)
1765	VBoxDbgStatsModel::updateCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
1766	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser)
1767	{
1768	VBoxDbgStatsModelVM pThis = (VBoxDbgStatsModelVM )pvUser;
1769	Log3(("updateCallback: %s\n", pszName));
1770
1771	/*
1772	* Skip the ones which shouldn't be visible in the GUI.
1773	*/
1774	if (enmVisibility == STAMVISIBILITY_NOT_GUI)
1775	return 0;
1776
1777	/*
1778	* The default assumption is that nothing has changed.
1779	* For now we'll reset the model when ever something changes.
1780	*/
1781	PDBGGUISTATSNODE pNode;
1782	if (pThis->m_iUpdateChild != UINT32_MAX)
1783	{
1784	pNode = pThis->m_pUpdateParent->papChildren[pThis->m_iUpdateChild];
1785	if ( !strncmp(pszName, pThis->m_szUpdateParent, pThis->m_cchUpdateParent)
1786	&& !strcmp(pszName + pThis->m_cchUpdateParent, pNode->pszName))
1787	/* got it! */;
1788	else
1789	{
1790	/* insert/remove */
1791	pNode = pThis->updateCallbackHandleOutOfOrder(pszName);
1792	if (!pNode)
1793	return VERR_NO_MEMORY;
1794	}
1795	}
1796	else
1797	{
1798	/* append */
1799	pNode = pThis->updateCallbackHandleTail(pszName);
1800	if (!pNode)
1801	return VERR_NO_MEMORY;
1802	}
1803
1804	/*
1805	* Perform the update and advance to the next one.
1806	*/
1807	updateNode(pNode, enmType, pvSample, enmUnit, pszDesc);
1808	pThis->updateCallbackAdvance(pNode);
1809
1810	return VINF_SUCCESS;
1811	}
1812
1813
1814	bool
1815	VBoxDbgStatsModel::updatePrepare(void)
1816	{
1817	/*
1818	* Find the first child with data and set it up as the 'next'
1819	* node to be updated.
1820	*/
1821	Assert(m_pRoot);
1822	Assert(m_pRoot->enmType == STAMTYPE_INVALID);
1823	PDBGGUISTATSNODE pFirst = nextDataNode(m_pRoot);
1824	if (pFirst)
1825	{
1826	m_iUpdateChild = pFirst->iSelf;
1827	m_pUpdateParent = pFirst->pParent; Assert(m_pUpdateParent);
1828	m_cchUpdateParent = getNodePath(m_pUpdateParent, m_szUpdateParent, sizeof(m_szUpdateParent) - 1);
1829	AssertReturn(m_cchUpdateParent >= 1, false);
1830	m_szUpdateParent[m_cchUpdateParent++] = '/';
1831	m_szUpdateParent[m_cchUpdateParent] = '\0';
1832	}
1833	else
1834	{
1835	m_iUpdateChild = UINT32_MAX;
1836	m_pUpdateParent = NULL;
1837	m_szUpdateParent[0] = '\0';
1838	m_cchUpdateParent = 0;
1839	}
1840
1841	/*
1842	* Set the flag and signal possible layout change.
1843	*/
1844	m_fUpdateInsertRemove = false;
1845	/* emit layoutAboutToBeChanged(); - debug this, it gets stuck... */
1846	return true;
1847	}
1848
1849
1850	bool
1851	VBoxDbgStatsModel::updateDone(bool a_fSuccess)
1852	{
1853	/*
1854	* Remove any nodes following the last in the update (unless the update failed).
1855	*/
1856	if ( a_fSuccess
1857	&& m_iUpdateChild != UINT32_MAX)
1858	{
1859	PDBGGUISTATSNODE const pLast = prevDataNode(m_pUpdateParent->papChildren[m_iUpdateChild]);
1860	if (!pLast)
1861	{
1862	/* nuking the whole tree. */
1863	setRootNode(createRootNode());
1864	m_fUpdateInsertRemove = true;
1865	}
1866	else
1867	{
1868	PDBGGUISTATSNODE pNode;
1869	while ((pNode = nextNode(pLast)))
1870	{
1871	Assert(pNode != m_pRoot);
1872	removeAndDestroy(pNode);
1873	}
1874	}
1875	}
1876
1877	/*
1878	* We're done making layout changes (if I understood it correctly), so,
1879	* signal this and then see what to do next. If we did too many removals
1880	* we'll just reset the whole shebang.
1881	*/
1882	if (m_fUpdateInsertRemove)
1883	{
1884	/* emit layoutChanged(); - hrmpf, doesn't work reliably... */
1885	beginResetModel();
1886	endResetModel();
1887	}
1888	else
1889	{
1890	/*
1891	* Send dataChanged events.
1892	*
1893	* We do this here instead of from the updateCallback because it reduces
1894	* the clutter in that method and allow us to emit bulk signals in an
1895	* easier way because we can traverse the tree in a different fashion.
1896	*/
1897	DBGGUISTATSSTACK Stack;
1898	Stack.a[0].pNode = m_pRoot;
1899	Stack.a[0].iChild = -1;
1900	Stack.iTop = 0;
1901
1902	while (Stack.iTop >= 0)
1903	{
1904	/* get top element */
1905	PDBGGUISTATSNODE pNode = Stack.a[Stack.iTop].pNode;
1906	uint32_t iChild = ++Stack.a[Stack.iTop].iChild;
1907	if (iChild < pNode->cChildren)
1908	{
1909	/* push */
1910	Stack.iTop++;
1911	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
1912	Stack.a[Stack.iTop].pNode = pNode->papChildren[iChild];
1913	Stack.a[Stack.iTop].iChild = 0;
1914	}
1915	else
1916	{
1917	/* pop */
1918	Stack.iTop--;
1919
1920	/* do the actual work. */
1921	iChild = 0;
1922	while (iChild < pNode->cChildren)
1923	{
1924	/* skip to the first needing updating. */
1925	while ( iChild < pNode->cChildren
1926	&& pNode->papChildren[iChild]->enmState != kDbgGuiStatsNodeState_kRefresh)
1927	iChild++;
1928	if (iChild >= pNode->cChildren)
1929	break;
1930	QModelIndex TopLeft = createIndex(iChild, 0, pNode->papChildren[iChild]);
1931	pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible;
1932
1933	/* any subsequent nodes that also needs refreshing? */
1934	if ( ++iChild < pNode->cChildren
1935	&& pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh)
1936	{
1937	do pNode->papChildren[iChild]->enmState = kDbgGuiStatsNodeState_kVisible;
1938	while ( ++iChild < pNode->cChildren
1939	&& pNode->papChildren[iChild]->enmState == kDbgGuiStatsNodeState_kRefresh);
1940	QModelIndex BottomRight = createIndex(iChild - 1, DBGGUI_STATS_COLUMNS - 1, pNode->papChildren[iChild - 1]);
1941
1942	/* emit the refresh signal */
1943	emit dataChanged(TopLeft, BottomRight);
1944	}
1945	else
1946	{
1947	/* emit the refresh signal */
1948	emit dataChanged(TopLeft, TopLeft);
1949	}
1950	}
1951	}
1952	}
1953	/* emit layoutChanged(); - hrmpf, doesn't work reliably... */
1954	}
1955
1956	return m_fUpdateInsertRemove;
1957	}
1958
1959
1960	bool
1961	VBoxDbgStatsModel::updateStatsByPattern(const QString &a_rPatStr)
1962	{
1963	/* stub */
1964	NOREF(a_rPatStr);
1965	return false;
1966	}
1967
1968
1969	void
1970	VBoxDbgStatsModel::updateStatsByIndex(QModelIndex const &a_rIndex)
1971	{
1972	/** @todo implement this based on updateStatsByPattern. */
1973	NOREF(a_rIndex);
1974	}
1975
1976
1977	void
1978	VBoxDbgStatsModel::resetStatsByPattern(QString const &a_rPatStr)
1979	{
1980	/* stub */
1981	NOREF(a_rPatStr);
1982	}
1983
1984
1985	void
1986	VBoxDbgStatsModel::resetStatsByIndex(QModelIndex const &a_rIndex, bool fSubTree /= true/)
1987	{
1988	PCDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex);
1989	if (pNode == m_pRoot \|\| !a_rIndex.isValid())
1990	{
1991	if (fSubTree)
1992	{
1993	/* everything from the root down. */
1994	resetStatsByPattern(QString());
1995	}
1996	}
1997	else if (pNode)
1998	{
1999	/* the node pattern. */
2000	char szPat[1024+1024+4];
2001	ssize_t cch = getNodePath(pNode, szPat, 1024);
2002	AssertReturnVoid(cch >= 0);
2003
2004	/* the sub-tree pattern. */
2005	if (fSubTree && pNode->cChildren)
2006	{
2007	char *psz = &szPat[cch];
2008	*psz++ = '\|';
2009	memcpy(psz, szPat, cch);
2010	psz += cch;
2011	*psz++ = '/';
2012	psz++ = '';
2013	*psz++ = '\0';
2014	}
2015
2016	resetStatsByPattern(szPat);
2017	}
2018	}
2019
2020
2021	void
2022	VBoxDbgStatsModel::iterateStatsByPattern(QString const &a_rPatStr, VBoxDbgStatsModel::FNITERATOR a_pfnCallback, void a_pvUser,
2023	bool a_fMatchChildren /= true/)
2024	{
2025	const QByteArray &PatBytes = a_rPatStr.toUtf8();
2026	const char * const pszPattern = PatBytes.constData();
2027	size_t const cchPattern = strlen(pszPattern);
2028
2029	DBGGUISTATSSTACK Stack;
2030	Stack.a[0].pNode = m_pRoot;
2031	Stack.a[0].iChild = -1;
2032	Stack.a[0].cchName = 0;
2033	Stack.iTop = 0;
2034
2035	char szName[1024];
2036	szName[0] = '\0';
2037
2038	while (Stack.iTop >= 0)
2039	{
2040	/* get top element */
2041	PDBGGUISTATSNODE const pNode = Stack.a[Stack.iTop].pNode;
2042	uint16_t cchName = Stack.a[Stack.iTop].cchName;
2043	uint32_t const iChild = ++Stack.a[Stack.iTop].iChild;
2044	if (iChild < pNode->cChildren)
2045	{
2046	PDBGGUISTATSNODE pChild = pNode->papChildren[iChild];
2047
2048	/* Build the name and match the pattern. */
2049	Assert(cchName + 1 + pChild->cchName < sizeof(szName));
2050	szName[cchName++] = '/';
2051	memcpy(&szName[cchName], pChild->pszName, pChild->cchName);
2052	cchName += (uint16_t)pChild->cchName;
2053	szName[cchName] = '\0';
2054
2055	if (RTStrSimplePatternMultiMatch(pszPattern, cchPattern, szName, cchName, NULL))
2056	{
2057	/* Do callback. */
2058	QModelIndex const Index = createIndex(iChild, 0, pChild);
2059	if (!a_pfnCallback(pChild, Index, szName, a_pvUser))
2060	return;
2061	if (!a_fMatchChildren)
2062	continue;
2063	}
2064
2065	/* push */
2066	Stack.iTop++;
2067	Assert(Stack.iTop < (int32_t)RT_ELEMENTS(Stack.a));
2068	Stack.a[Stack.iTop].pNode = pChild;
2069	Stack.a[Stack.iTop].iChild = 0;
2070	Stack.a[Stack.iTop].cchName = cchName;
2071	}
2072	else
2073	{
2074	/* pop */
2075	Stack.iTop--;
2076	}
2077	}
2078	}
2079
2080
2081	QModelIndex
2082	VBoxDbgStatsModel::getRootIndex(void) const
2083	{
2084	if (!m_pRoot)
2085	return QModelIndex();
2086	return createIndex(0, 0, m_pRoot);
2087	}
2088
2089
2090	void
2091	VBoxDbgStatsModel::setRootNode(PDBGGUISTATSNODE a_pRoot)
2092	{
2093	PDBGGUISTATSNODE pOldTree = m_pRoot;
2094	m_pRoot = a_pRoot;
2095	destroyTree(pOldTree);
2096	beginResetModel();
2097	endResetModel();
2098	}
2099
2100
2101	Qt::ItemFlags
2102	VBoxDbgStatsModel::flags(const QModelIndex &a_rIndex) const
2103	{
2104	Qt::ItemFlags fFlags = QAbstractItemModel::flags(a_rIndex);
2105	return fFlags;
2106	}
2107
2108
2109	int
2110	VBoxDbgStatsModel::columnCount(const QModelIndex &a_rParent) const
2111	{
2112	NOREF(a_rParent);
2113	return DBGGUI_STATS_COLUMNS;
2114	}
2115
2116
2117	int
2118	VBoxDbgStatsModel::rowCount(const QModelIndex &a_rParent) const
2119	{
2120	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2121	return pParent ? pParent->cChildren : 1 /* root */;
2122	}
2123
2124
2125	bool
2126	VBoxDbgStatsModel::hasChildren(const QModelIndex &a_rParent) const
2127	{
2128	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2129	return pParent ? pParent->cChildren > 0 : true /* root */;
2130	}
2131
2132
2133	QModelIndex
2134	VBoxDbgStatsModel::index(int iRow, int iColumn, const QModelIndex &a_rParent) const
2135	{
2136	PDBGGUISTATSNODE pParent = nodeFromIndex(a_rParent);
2137	if (!pParent)
2138	{
2139	if ( a_rParent.isValid()
2140	\|\| iRow
2141	\|\| (unsigned)iColumn < DBGGUI_STATS_COLUMNS)
2142	{
2143	Assert(!a_rParent.isValid());
2144	Assert(!iRow);
2145	Assert((unsigned)iColumn < DBGGUI_STATS_COLUMNS);
2146	return QModelIndex();
2147	}
2148
2149	/* root */
2150	return createIndex(0, iColumn, m_pRoot);
2151	}
2152	if ((unsigned)iRow >= pParent->cChildren)
2153	{
2154	Log(("index: iRow=%d >= cChildren=%u (iColumn=%d)\n", iRow, (unsigned)pParent->cChildren, iColumn));
2155	return QModelIndex(); /* bug? */
2156	}
2157	if ((unsigned)iColumn >= DBGGUI_STATS_COLUMNS)
2158	{
2159	Log(("index: iColumn=%d (iRow=%d)\n", iColumn, iRow));
2160	return QModelIndex(); /* bug? */
2161	}
2162	PDBGGUISTATSNODE pChild = pParent->papChildren[iRow];
2163	return createIndex(iRow, iColumn, pChild);
2164	}
2165
2166
2167	QModelIndex
2168	VBoxDbgStatsModel::parent(const QModelIndex &a_rChild) const
2169	{
2170	PDBGGUISTATSNODE pChild = nodeFromIndex(a_rChild);
2171	if (!pChild)
2172	{
2173	Log(("parent: invalid child\n"));
2174	return QModelIndex(); /* bug */
2175	}
2176	PDBGGUISTATSNODE pParent = pChild->pParent;
2177	if (!pParent)
2178	return QModelIndex(); /* ultimate root */
2179
2180	return createIndex(pParent->iSelf, 0, pParent);
2181	}
2182
2183
2184	QVariant
2185	VBoxDbgStatsModel::headerData(int a_iSection, Qt::Orientation a_eOrientation, int a_eRole) const
2186	{
2187	if ( a_eOrientation == Qt::Horizontal
2188	&& a_eRole == Qt::DisplayRole)
2189	switch (a_iSection)
2190	{
2191	case 0: return tr("Name");
2192	case 1: return tr("Unit");
2193	case 2: return tr("Value/Times");
2194	case 3: return tr("Min");
2195	case 4: return tr("Average");
2196	case 5: return tr("Max");
2197	case 6: return tr("Total");
2198	case 7: return tr("dInt");
2199	case 8: return tr("Description");
2200	default:
2201	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2202	return QVariant(); /* bug */
2203	}
2204	else if ( a_eOrientation == Qt::Horizontal
2205	&& a_eRole == Qt::TextAlignmentRole)
2206	switch (a_iSection)
2207	{
2208	case 0:
2209	case 1:
2210	return QVariant();
2211	case 2:
2212	case 3:
2213	case 4:
2214	case 5:
2215	case 6:
2216	case 7:
2217	return (int)(Qt::AlignRight \| Qt::AlignVCenter);
2218	case 8:
2219	return QVariant();
2220	default:
2221	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2222	return QVariant(); /* bug */
2223	}
2224
2225	return QVariant();
2226	}
2227
2228
2229	/static/ QString
2230	VBoxDbgStatsModel::strUnit(PCDBGGUISTATSNODE pNode)
2231	{
2232	if (pNode->enmUnit == STAMUNIT_INVALID)
2233	return "";
2234	return STAMR3GetUnit(pNode->enmUnit);
2235	}
2236
2237
2238	/static/ QString
2239	VBoxDbgStatsModel::strValueTimes(PCDBGGUISTATSNODE pNode)
2240	{
2241	char sz[128];
2242
2243	switch (pNode->enmType)
2244	{
2245	case STAMTYPE_COUNTER:
2246	return formatNumber(sz, pNode->Data.Counter.c);
2247
2248	case STAMTYPE_PROFILE:
2249	case STAMTYPE_PROFILE_ADV:
2250	if (!pNode->Data.Profile.cPeriods)
2251	return "0";
2252	return formatNumber(sz, pNode->Data.Profile.cPeriods);
2253
2254	case STAMTYPE_RATIO_U32:
2255	case STAMTYPE_RATIO_U32_RESET:
2256	{
2257	char szTmp[64];
2258	char *psz = formatNumber(szTmp, pNode->Data.RatioU32.u32A);
2259	size_t off = strlen(psz);
2260	memcpy(sz, psz, off);
2261	sz[off++] = ':';
2262	strcpy(&sz[off], formatNumber(szTmp, pNode->Data.RatioU32.u32B));
2263	return sz;
2264	}
2265
2266	case STAMTYPE_CALLBACK:
2267	return *pNode->Data.pStr;
2268
2269	case STAMTYPE_U8:
2270	case STAMTYPE_U8_RESET:
2271	return formatNumber(sz, pNode->Data.u8);
2272
2273	case STAMTYPE_X8:
2274	case STAMTYPE_X8_RESET:
2275	return formatHexNumber(sz, pNode->Data.u8, 2);
2276
2277	case STAMTYPE_U16:
2278	case STAMTYPE_U16_RESET:
2279	return formatNumber(sz, pNode->Data.u16);
2280
2281	case STAMTYPE_X16:
2282	case STAMTYPE_X16_RESET:
2283	return formatHexNumber(sz, pNode->Data.u16, 4);
2284
2285	case STAMTYPE_U32:
2286	case STAMTYPE_U32_RESET:
2287	return formatNumber(sz, pNode->Data.u32);
2288
2289	case STAMTYPE_X32:
2290	case STAMTYPE_X32_RESET:
2291	return formatHexNumber(sz, pNode->Data.u32, 8);
2292
2293	case STAMTYPE_U64:
2294	case STAMTYPE_U64_RESET:
2295	return formatNumber(sz, pNode->Data.u64);
2296
2297	case STAMTYPE_X64:
2298	case STAMTYPE_X64_RESET:
2299	return formatHexNumber(sz, pNode->Data.u64, 16);
2300
2301	case STAMTYPE_BOOL:
2302	case STAMTYPE_BOOL_RESET:
2303	return pNode->Data.f ? "true" : "false";
2304
2305	default:
2306	AssertMsgFailed(("%d\n", pNode->enmType));
2307	RT_FALL_THRU();
2308	case STAMTYPE_INVALID:
2309	return "";
2310	}
2311	}
2312
2313
2314	/static/ QString
2315	VBoxDbgStatsModel::strMinValue(PCDBGGUISTATSNODE pNode)
2316	{
2317	char sz[128];
2318
2319	switch (pNode->enmType)
2320	{
2321	case STAMTYPE_PROFILE:
2322	case STAMTYPE_PROFILE_ADV:
2323	if (!pNode->Data.Profile.cPeriods)
2324	return "0";
2325	return formatNumber(sz, pNode->Data.Profile.cTicksMin);
2326	default:
2327	return "";
2328	}
2329	}
2330
2331
2332	/static/ QString
2333	VBoxDbgStatsModel::strAvgValue(PCDBGGUISTATSNODE pNode)
2334	{
2335	char sz[128];
2336
2337	switch (pNode->enmType)
2338	{
2339	case STAMTYPE_PROFILE:
2340	case STAMTYPE_PROFILE_ADV:
2341	if (!pNode->Data.Profile.cPeriods)
2342	return "0";
2343	return formatNumber(sz, pNode->Data.Profile.cTicks / pNode->Data.Profile.cPeriods);
2344	default:
2345	return "";
2346	}
2347	}
2348
2349
2350	/static/ QString
2351	VBoxDbgStatsModel::strMaxValue(PCDBGGUISTATSNODE pNode)
2352	{
2353	char sz[128];
2354
2355	switch (pNode->enmType)
2356	{
2357	case STAMTYPE_PROFILE:
2358	case STAMTYPE_PROFILE_ADV:
2359	if (!pNode->Data.Profile.cPeriods)
2360	return "0";
2361	return formatNumber(sz, pNode->Data.Profile.cTicksMax);
2362	default:
2363	return "";
2364	}
2365	}
2366
2367
2368	/static/ QString
2369	VBoxDbgStatsModel::strTotalValue(PCDBGGUISTATSNODE pNode)
2370	{
2371	char sz[128];
2372
2373	switch (pNode->enmType)
2374	{
2375	case STAMTYPE_PROFILE:
2376	case STAMTYPE_PROFILE_ADV:
2377	if (!pNode->Data.Profile.cPeriods)
2378	return "0";
2379	return formatNumber(sz, pNode->Data.Profile.cTicks);
2380	default:
2381	return "";
2382	}
2383	}
2384
2385
2386	/static/ QString
2387	VBoxDbgStatsModel::strDeltaValue(PCDBGGUISTATSNODE pNode)
2388	{
2389	char sz[128];
2390
2391	switch (pNode->enmType)
2392	{
2393	case STAMTYPE_PROFILE:
2394	case STAMTYPE_PROFILE_ADV:
2395	if (!pNode->Data.Profile.cPeriods)
2396	return "0";
2397	RT_FALL_THRU();
2398	case STAMTYPE_COUNTER:
2399	case STAMTYPE_RATIO_U32:
2400	case STAMTYPE_RATIO_U32_RESET:
2401	case STAMTYPE_U8:
2402	case STAMTYPE_U8_RESET:
2403	case STAMTYPE_X8:
2404	case STAMTYPE_X8_RESET:
2405	case STAMTYPE_U16:
2406	case STAMTYPE_U16_RESET:
2407	case STAMTYPE_X16:
2408	case STAMTYPE_X16_RESET:
2409	case STAMTYPE_U32:
2410	case STAMTYPE_U32_RESET:
2411	case STAMTYPE_X32:
2412	case STAMTYPE_X32_RESET:
2413	case STAMTYPE_U64:
2414	case STAMTYPE_U64_RESET:
2415	case STAMTYPE_X64:
2416	case STAMTYPE_X64_RESET:
2417	case STAMTYPE_BOOL:
2418	case STAMTYPE_BOOL_RESET:
2419	return formatNumberSigned(sz, pNode->i64Delta);
2420	default:
2421	return "";
2422	}
2423	}
2424
2425
2426	QVariant
2427	VBoxDbgStatsModel::data(const QModelIndex &a_rIndex, int a_eRole) const
2428	{
2429	unsigned iCol = a_rIndex.column();
2430	if (iCol >= DBGGUI_STATS_COLUMNS)
2431	return QVariant();
2432
2433	if (a_eRole == Qt::DisplayRole)
2434	{
2435	PDBGGUISTATSNODE pNode = nodeFromIndex(a_rIndex);
2436	if (!pNode)
2437	return QVariant();
2438
2439	switch (iCol)
2440	{
2441	case 0:
2442	return QString(pNode->pszName);
2443	case 1:
2444	return strUnit(pNode);
2445	case 2:
2446	return strValueTimes(pNode);
2447	case 3:
2448	return strMinValue(pNode);
2449	case 4:
2450	return strAvgValue(pNode);
2451	case 5:
2452	return strMaxValue(pNode);
2453	case 6:
2454	return strTotalValue(pNode);
2455	case 7:
2456	return strDeltaValue(pNode);
2457	case 8:
2458	return pNode->pDescStr ? QString(*pNode->pDescStr) : QString("");
2459	default:
2460	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2461	return QVariant();
2462	}
2463	}
2464	else if (a_eRole == Qt::TextAlignmentRole)
2465	switch (iCol)
2466	{
2467	case 0:
2468	case 1:
2469	return QVariant();
2470	case 2:
2471	case 3:
2472	case 4:
2473	case 5:
2474	case 6:
2475	case 7:
2476	return (int)(Qt::AlignRight \| Qt::AlignVCenter);
2477	case 8:
2478	return QVariant();
2479	default:
2480	AssertCompile(DBGGUI_STATS_COLUMNS == 9);
2481	return QVariant(); /* bug */
2482	}
2483	return QVariant();
2484	}
2485
2486
2487	/static/ void
2488	VBoxDbgStatsModel::stringifyNodeNoRecursion(PDBGGUISTATSNODE a_pNode, QString &a_rString)
2489	{
2490	/*
2491	* Get the path, padding it to 32-chars and add it to the string.
2492	*/
2493	char szBuf[1024];
2494	ssize_t off = getNodePath(a_pNode, szBuf, sizeof(szBuf) - 2);
2495	AssertReturnVoid(off >= 0);
2496	if (off < 32)
2497	{
2498	memset(&szBuf[off], ' ', 32 - off);
2499	szBuf[32] = '\0';
2500	off = 32;
2501	}
2502	szBuf[off++] = ' ';
2503	szBuf[off] = '\0';
2504	a_rString += szBuf;
2505
2506	/*
2507	* The following is derived from stamR3PrintOne, except
2508	* we print to szBuf, do no visibility checks and can skip
2509	* the path bit.
2510	*/
2511	switch (a_pNode->enmType)
2512	{
2513	case STAMTYPE_COUNTER:
2514	RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.Counter.c, STAMR3GetUnit(a_pNode->enmUnit));
2515	break;
2516
2517	case STAMTYPE_PROFILE:
2518	case STAMTYPE_PROFILE_ADV:
2519	{
2520	uint64_t u64 = a_pNode->Data.Profile.cPeriods ? a_pNode->Data.Profile.cPeriods : 1;
2521	RTStrPrintf(szBuf, sizeof(szBuf),
2522	"%8llu %s (%12llu ticks, %7llu times, max %9llu, min %7lld)",
2523	a_pNode->Data.Profile.cTicks / u64, STAMR3GetUnit(a_pNode->enmUnit),
2524	a_pNode->Data.Profile.cTicks, a_pNode->Data.Profile.cPeriods, a_pNode->Data.Profile.cTicksMax, a_pNode->Data.Profile.cTicksMin);
2525	break;
2526	}
2527
2528	case STAMTYPE_RATIO_U32:
2529	case STAMTYPE_RATIO_U32_RESET:
2530	RTStrPrintf(szBuf, sizeof(szBuf),
2531	"%8u:%-8u %s",
2532	a_pNode->Data.RatioU32.u32A, a_pNode->Data.RatioU32.u32B, STAMR3GetUnit(a_pNode->enmUnit));
2533	break;
2534
2535	case STAMTYPE_CALLBACK:
2536	if (a_pNode->Data.pStr)
2537	a_rString += *a_pNode->Data.pStr;
2538	RTStrPrintf(szBuf, sizeof(szBuf), " %s", STAMR3GetUnit(a_pNode->enmUnit));
2539	break;
2540
2541	case STAMTYPE_U8:
2542	case STAMTYPE_U8_RESET:
2543	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit));
2544	break;
2545
2546	case STAMTYPE_X8:
2547	case STAMTYPE_X8_RESET:
2548	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u8, STAMR3GetUnit(a_pNode->enmUnit));
2549	break;
2550
2551	case STAMTYPE_U16:
2552	case STAMTYPE_U16_RESET:
2553	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit));
2554	break;
2555
2556	case STAMTYPE_X16:
2557	case STAMTYPE_X16_RESET:
2558	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u16, STAMR3GetUnit(a_pNode->enmUnit));
2559	break;
2560
2561	case STAMTYPE_U32:
2562	case STAMTYPE_U32_RESET:
2563	RTStrPrintf(szBuf, sizeof(szBuf), "%8u %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit));
2564	break;
2565
2566	case STAMTYPE_X32:
2567	case STAMTYPE_X32_RESET:
2568	RTStrPrintf(szBuf, sizeof(szBuf), "%8x %s", a_pNode->Data.u32, STAMR3GetUnit(a_pNode->enmUnit));
2569	break;
2570
2571	case STAMTYPE_U64:
2572	case STAMTYPE_U64_RESET:
2573	RTStrPrintf(szBuf, sizeof(szBuf), "%8llu %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit));
2574	break;
2575
2576	case STAMTYPE_X64:
2577	case STAMTYPE_X64_RESET:
2578	RTStrPrintf(szBuf, sizeof(szBuf), "%8llx %s", a_pNode->Data.u64, STAMR3GetUnit(a_pNode->enmUnit));
2579	break;
2580
2581	case STAMTYPE_BOOL:
2582	case STAMTYPE_BOOL_RESET:
2583	RTStrPrintf(szBuf, sizeof(szBuf), "%s %s", a_pNode->Data.f ? "true " : "false ", STAMR3GetUnit(a_pNode->enmUnit));
2584	break;
2585
2586	default:
2587	AssertMsgFailed(("enmType=%d\n", a_pNode->enmType));
2588	return;
2589	}
2590
2591	a_rString += szBuf;
2592	}
2593
2594
2595	/static/ void
2596	VBoxDbgStatsModel::stringifyNode(PDBGGUISTATSNODE a_pNode, QString &a_rString)
2597	{
2598	/* this node (if it has data) */
2599	if (a_pNode->enmType != STAMTYPE_INVALID)
2600	{
2601	if (!a_rString.isEmpty())
2602	a_rString += "\n";
2603	stringifyNodeNoRecursion(a_pNode, a_rString);
2604	}
2605
2606	/* the children */
2607	uint32_t const cChildren = a_pNode->cChildren;
2608	for (uint32_t i = 0; i < cChildren; i++)
2609	stringifyNode(a_pNode->papChildren[i], a_rString);
2610	}
2611
2612
2613	void
2614	VBoxDbgStatsModel::stringifyTree(QModelIndex &a_rRoot, QString &a_rString) const
2615	{
2616	PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot;
2617	if (pRoot)
2618	stringifyNode(pRoot, a_rString);
2619	}
2620
2621
2622	void
2623	VBoxDbgStatsModel::copyTreeToClipboard(QModelIndex &a_rRoot) const
2624	{
2625	QString String;
2626	stringifyTree(a_rRoot, String);
2627
2628	QClipboard *pClipboard = QApplication::clipboard();
2629	if (pClipboard)
2630	pClipboard->setText(String, QClipboard::Clipboard);
2631	}
2632
2633
2634	/static/ void
2635	VBoxDbgStatsModel::logNode(PDBGGUISTATSNODE a_pNode, bool a_fReleaseLog)
2636	{
2637	/* this node (if it has data) */
2638	if (a_pNode->enmType != STAMTYPE_INVALID)
2639	{
2640	QString SelfStr;
2641	stringifyNodeNoRecursion(a_pNode, SelfStr);
2642	QByteArray SelfByteArray = SelfStr.toUtf8();
2643	if (a_fReleaseLog)
2644	RTLogRelPrintf("%s\n", SelfByteArray.constData());
2645	else
2646	RTLogPrintf("%s\n", SelfByteArray.constData());
2647	}
2648
2649	/* the children */
2650	uint32_t const cChildren = a_pNode->cChildren;
2651	for (uint32_t i = 0; i < cChildren; i++)
2652	logNode(a_pNode->papChildren[i], a_fReleaseLog);
2653	}
2654
2655
2656	void
2657	VBoxDbgStatsModel::logTree(QModelIndex &a_rRoot, bool a_fReleaseLog) const
2658	{
2659	PDBGGUISTATSNODE pRoot = a_rRoot.isValid() ? nodeFromIndex(a_rRoot) : m_pRoot;
2660	if (pRoot)
2661	logNode(pRoot, a_fReleaseLog);
2662	}
2663
2664
2665
2666
2667
2668
2669
2670	/*
2671	*
2672	* V B o x D b g S t a t s M o d e l V M
2673	* V B o x D b g S t a t s M o d e l V M
2674	* V B o x D b g S t a t s M o d e l V M
2675	*
2676	*
2677	*/
2678
2679
2680	VBoxDbgStatsModelVM::VBoxDbgStatsModelVM(VBoxDbgGui a_pDbgGui, QString &a_rPatStr, QObject a_pParent)
2681	: VBoxDbgStatsModel(a_pParent), VBoxDbgBase(a_pDbgGui)
2682	{
2683	/*
2684	* Create a model containing the STAM entries matching the pattern.
2685	* (The original idea was to get everything and rely on some hide/visible
2686	* flag that it turned out didn't exist.)
2687	*/
2688	PDBGGUISTATSNODE pTree = createNewTree(a_rPatStr);
2689	setRootNode(pTree);
2690	}
2691
2692
2693	VBoxDbgStatsModelVM::~VBoxDbgStatsModelVM()
2694	{
2695	/* nothing to do here. */
2696	}
2697
2698
2699	bool
2700	VBoxDbgStatsModelVM::updateStatsByPattern(const QString &a_rPatStr)
2701	{
2702	/** @todo the way we update this stuff is independent of the source (XML, file, STAM), our only
2703	* ASSUMPTION is that the input is strictly ordered by (fully slashed) name. So, all this stuff
2704	* should really move up into the parent class. */
2705	bool fRc = updatePrepare();
2706	if (fRc)
2707	{
2708	int rc = stamEnum(a_rPatStr, updateCallback, this);
2709	fRc = updateDone(RT_SUCCESS(rc));
2710	}
2711	return fRc;
2712	}
2713
2714
2715	void
2716	VBoxDbgStatsModelVM::resetStatsByPattern(QString const &a_rPatStr)
2717	{
2718	stamReset(a_rPatStr);
2719	}
2720
2721
2722	/static/ DECLCALLBACK(int)
2723	VBoxDbgStatsModelVM::createNewTreeCallback(const char pszName, STAMTYPE enmType, void pvSample, STAMUNIT enmUnit,
2724	STAMVISIBILITY enmVisibility, const char pszDesc, void pvUser)
2725	{
2726	PDBGGUISTATSNODE pRoot = (PDBGGUISTATSNODE)pvUser;
2727	Log3(("createNewTreeCallback: %s\n", pszName));
2728
2729	/*
2730	* Skip the ones which shouldn't be visible in the GUI.
2731	*/
2732	if (enmVisibility == STAMVISIBILITY_NOT_GUI)
2733	return 0;
2734
2735	/*
2736	* Perform a mkdir -p like operation till we've walked / created the entire path down
2737	* to the node specfied node. Remember the last node as that will be the one we will
2738	* stuff the data into.
2739	*/
2740	AssertReturn(*pszName == '/' && pszName[1] != '/', VERR_INTERNAL_ERROR);
2741	PDBGGUISTATSNODE pNode = pRoot;
2742	const char *pszCur = pszName + 1;
2743	while (*pszCur)
2744	{
2745	/* find the end of this component. */
2746	const char *pszNext = strchr(pszCur, '/');
2747	if (!pszNext)
2748	pszNext = strchr(pszCur, '\0');
2749	size_t cchCur = pszNext - pszCur;
2750
2751	/* Create it if it doesn't exist (it will be last if it exists). */
2752	if ( !pNode->cChildren
2753	\|\| strncmp(pNode->papChildren[pNode->cChildren - 1]->pszName, pszCur, cchCur)
2754	\|\| pNode->papChildren[pNode->cChildren - 1]->pszName[cchCur])
2755	{
2756	pNode = createAndInsertNode(pNode, pszCur, pszNext - pszCur, UINT32_MAX);
2757	if (!pNode)
2758	return VERR_NO_MEMORY;
2759	}
2760	else
2761	pNode = pNode->papChildren[pNode->cChildren - 1];
2762
2763	/* Advance */
2764	pszCur = *pszNext ? pszNext + 1 : pszNext;
2765	}
2766
2767	/*
2768	* Save the data.
2769	*/
2770	return initNode(pNode, enmType, pvSample, enmUnit, pszDesc);
2771	}
2772
2773
2774	PDBGGUISTATSNODE
2775	VBoxDbgStatsModelVM::createNewTree(QString &a_rPatStr)
2776	{
2777	PDBGGUISTATSNODE pRoot = createRootNode();
2778	if (pRoot)
2779	{
2780	int rc = stamEnum(a_rPatStr, createNewTreeCallback, pRoot);
2781	if (RT_SUCCESS(rc))
2782	return pRoot;
2783
2784	/* failed, cleanup. */
2785	destroyTree(pRoot);
2786	}
2787
2788	return NULL;
2789	}
2790
2791
2792
2793
2794
2795
2796
2797
2798	/*
2799	*
2800	* V B o x D b g S t a t s V i e w
2801	* V B o x D b g S t a t s V i e w
2802	* V B o x D b g S t a t s V i e w
2803	*
2804	*
2805	*/
2806
2807
2808	VBoxDbgStatsView::VBoxDbgStatsView(VBoxDbgGui a_pDbgGui, VBoxDbgStatsModel a_pModel, VBoxDbgStats a_pParent/ = NULL*/)
2809	: QTreeView(a_pParent), VBoxDbgBase(a_pDbgGui), m_pModel(a_pModel), m_PatStr(), m_pParent(a_pParent),
2810	m_pLeafMenu(NULL), m_pBranchMenu(NULL), m_pViewMenu(NULL), m_pCurMenu(NULL), m_CurIndex()
2811
2812	{
2813	/*
2814	* Set the model and view defaults.
2815	*/
2816	setRootIsDecorated(true);
2817	setModel(m_pModel);
2818	QModelIndex RootIdx = m_pModel->getRootIndex(); /* This should really be QModelIndex(), but Qt on darwin does wrong things then. */
2819	setRootIndex(RootIdx);
2820	setItemsExpandable(true);
2821	setAlternatingRowColors(true);
2822	setSelectionBehavior(SelectRows);
2823	setSelectionMode(SingleSelection);
2824	/// @todo sorting setSortingEnabled(true);
2825
2826	/*
2827	* Create and setup the actions.
2828	*/
2829	m_pExpandAct = new QAction("Expand Tree", this);
2830	m_pCollapseAct = new QAction("Collapse Tree", this);
2831	m_pRefreshAct = new QAction("&Refresh", this);
2832	m_pResetAct = new QAction("Rese&t", this);
2833	m_pCopyAct = new QAction("&Copy", this);
2834	m_pToLogAct = new QAction("To &Log", this);
2835	m_pToRelLogAct = new QAction("T&o Release Log", this);
2836	m_pAdjColumns = new QAction("&Adjust Columns", this);
2837
2838	m_pCopyAct->setShortcut(QKeySequence::Copy);
2839	m_pExpandAct->setShortcut(QKeySequence("Ctrl+E"));
2840	m_pCollapseAct->setShortcut(QKeySequence("Ctrl+D"));
2841	m_pRefreshAct->setShortcut(QKeySequence("Ctrl+R"));
2842	m_pResetAct->setShortcut(QKeySequence("Alt+R"));
2843	m_pToLogAct->setShortcut(QKeySequence("Ctrl+Z"));
2844	m_pToRelLogAct->setShortcut(QKeySequence("Alt+Z"));
2845	m_pAdjColumns->setShortcut(QKeySequence("Ctrl+A"));
2846
2847	addAction(m_pCopyAct);
2848	addAction(m_pExpandAct);
2849	addAction(m_pCollapseAct);
2850	addAction(m_pRefreshAct);
2851	addAction(m_pResetAct);
2852	addAction(m_pToLogAct);
2853	addAction(m_pToRelLogAct);
2854	addAction(m_pAdjColumns);
2855
2856	connect(m_pExpandAct, SIGNAL(triggered(bool)), this, SLOT(actExpand()));
2857	connect(m_pCollapseAct, SIGNAL(triggered(bool)), this, SLOT(actCollapse()));
2858	connect(m_pRefreshAct, SIGNAL(triggered(bool)), this, SLOT(actRefresh()));
2859	connect(m_pResetAct, SIGNAL(triggered(bool)), this, SLOT(actReset()));
2860	connect(m_pCopyAct, SIGNAL(triggered(bool)), this, SLOT(actCopy()));
2861	connect(m_pToLogAct, SIGNAL(triggered(bool)), this, SLOT(actToLog()));
2862	connect(m_pToRelLogAct, SIGNAL(triggered(bool)), this, SLOT(actToRelLog()));
2863	connect(m_pAdjColumns, SIGNAL(triggered(bool)), this, SLOT(actAdjColumns()));
2864
2865
2866	/*
2867	* Create the menus and populate them.
2868	*/
2869	setContextMenuPolicy(Qt::DefaultContextMenu);
2870
2871	m_pLeafMenu = new QMenu();
2872	m_pLeafMenu->addAction(m_pCopyAct);
2873	m_pLeafMenu->addAction(m_pRefreshAct);
2874	m_pLeafMenu->addAction(m_pResetAct);
2875	m_pLeafMenu->addAction(m_pToLogAct);
2876	m_pLeafMenu->addAction(m_pToRelLogAct);
2877
2878	m_pBranchMenu = new QMenu(this);
2879	m_pBranchMenu->addAction(m_pCopyAct);
2880	m_pBranchMenu->addAction(m_pRefreshAct);
2881	m_pBranchMenu->addAction(m_pResetAct);
2882	m_pBranchMenu->addAction(m_pToLogAct);
2883	m_pBranchMenu->addAction(m_pToRelLogAct);
2884	m_pBranchMenu->addSeparator();
2885	m_pBranchMenu->addAction(m_pExpandAct);
2886	m_pBranchMenu->addAction(m_pCollapseAct);
2887
2888	m_pViewMenu = new QMenu();
2889	m_pViewMenu->addAction(m_pCopyAct);
2890	m_pViewMenu->addAction(m_pRefreshAct);
2891	m_pViewMenu->addAction(m_pResetAct);
2892	m_pViewMenu->addAction(m_pToLogAct);
2893	m_pViewMenu->addAction(m_pToRelLogAct);
2894	m_pViewMenu->addSeparator();
2895	m_pViewMenu->addAction(m_pExpandAct);
2896	m_pViewMenu->addAction(m_pCollapseAct);
2897	m_pViewMenu->addSeparator();
2898	m_pViewMenu->addAction(m_pAdjColumns);
2899
2900	/* the header menu */
2901	QHeaderView *pHdrView = header();
2902	pHdrView->setContextMenuPolicy(Qt::CustomContextMenu);
2903	connect(pHdrView, SIGNAL(customContextMenuRequested(const QPoint &)), this, SLOT(headerContextMenuRequested(const QPoint &)));
2904	}
2905
2906
2907	VBoxDbgStatsView::~VBoxDbgStatsView()
2908	{
2909	m_pParent = NULL;
2910	m_pCurMenu = NULL;
2911	m_CurIndex = QModelIndex();
2912
2913	#define DELETE_IT(m) if (m) { delete m; m = NULL; } else do {} while (0)
2914	DELETE_IT(m_pModel);
2915
2916	DELETE_IT(m_pLeafMenu);
2917	DELETE_IT(m_pBranchMenu);
2918	DELETE_IT(m_pViewMenu);
2919
2920	DELETE_IT(m_pExpandAct);
2921	DELETE_IT(m_pCollapseAct);
2922	DELETE_IT(m_pRefreshAct);
2923	DELETE_IT(m_pResetAct);
2924	DELETE_IT(m_pCopyAct);
2925	DELETE_IT(m_pToLogAct);
2926	DELETE_IT(m_pToRelLogAct);
2927	DELETE_IT(m_pAdjColumns);
2928	#undef DELETE_IT
2929	}
2930
2931
2932	void
2933	VBoxDbgStatsView::updateStats(const QString &rPatStr)
2934	{
2935	m_PatStr = rPatStr;
2936	if (m_pModel->updateStatsByPattern(rPatStr))
2937	setRootIndex(m_pModel->getRootIndex()); /* hack */
2938	}
2939
2940
2941	void
2942	VBoxDbgStatsView::resizeColumnsToContent()
2943	{
2944	for (int i = 0; i <= 8; i++)
2945	{
2946	resizeColumnToContents(i);
2947	/* Some extra room for distinguishing numbers better in Value, Min, Avg, Max, Total, dInt columns. */
2948	if (i >= 2 && i <= 7)
2949	setColumnWidth(i, columnWidth(i) + 10);
2950	}
2951	}
2952
2953
2954	/static/ bool
2955	VBoxDbgStatsView::expandMatchingCallback(PDBGGUISTATSNODE pNode, QModelIndex const &a_rIndex,
2956	const char pszFullName, void pvUser)
2957	{
2958	VBoxDbgStatsView pThis = (VBoxDbgStatsView )pvUser;
2959
2960	pThis->setExpanded(a_rIndex, true);
2961
2962	QModelIndex ParentIndex = pThis->m_pModel->parent(a_rIndex);
2963	while (ParentIndex.isValid() && !pThis->isExpanded(ParentIndex))
2964	{
2965	pThis->setExpanded(ParentIndex, true);
2966	ParentIndex = pThis->m_pModel->parent(ParentIndex);
2967	}
2968
2969	RT_NOREF(pNode, pszFullName);
2970	return true;
2971	}
2972
2973
2974	void
2975	VBoxDbgStatsView::expandMatching(const QString &rPatStr)
2976	{
2977	m_pModel->iterateStatsByPattern(rPatStr, expandMatchingCallback, this);
2978	}
2979
2980
2981	void
2982	VBoxDbgStatsView::setSubTreeExpanded(QModelIndex const &a_rIndex, bool a_fExpanded)
2983	{
2984	int cRows = m_pModel->rowCount(a_rIndex);
2985	if (a_rIndex.model())
2986	for (int i = 0; i < cRows; i++)
2987	setSubTreeExpanded(a_rIndex.model()->index(i, 0, a_rIndex), a_fExpanded);
2988	setExpanded(a_rIndex, a_fExpanded);
2989	}
2990
2991
2992	void
2993	VBoxDbgStatsView::contextMenuEvent(QContextMenuEvent *a_pEvt)
2994	{
2995	/*
2996	* Get the selected item.
2997	* If it's a mouse event select the item under the cursor (if any).
2998	*/
2999	QModelIndex Idx;
3000	if (a_pEvt->reason() == QContextMenuEvent::Mouse)
3001	{
3002	Idx = indexAt(a_pEvt->pos());
3003	if (Idx.isValid())
3004	setCurrentIndex(Idx);
3005	}
3006	else
3007	{
3008	QModelIndexList SelIdx = selectedIndexes();
3009	if (!SelIdx.isEmpty())
3010	Idx = SelIdx.at(0);
3011	}
3012
3013	/*
3014	* Popup the corresponding menu.
3015	*/
3016	QMenu *pMenu;
3017	if (!Idx.isValid())
3018	pMenu = m_pViewMenu;
3019	else if (m_pModel->hasChildren(Idx))
3020	pMenu = m_pBranchMenu;
3021	else
3022	pMenu = m_pLeafMenu;
3023	if (pMenu)
3024	{
3025	m_pRefreshAct->setEnabled(!Idx.isValid() \|\| Idx == m_pModel->getRootIndex());
3026	m_CurIndex = Idx;
3027	m_pCurMenu = pMenu;
3028
3029	pMenu->exec(a_pEvt->globalPos());
3030
3031	m_pCurMenu = NULL;
3032	m_CurIndex = QModelIndex();
3033	if (m_pRefreshAct)
3034	m_pRefreshAct->setEnabled(true);
3035	}
3036	a_pEvt->accept();
3037	}
3038
3039
3040	void
3041	VBoxDbgStatsView::headerContextMenuRequested(const QPoint &a_rPos)
3042	{
3043	/*
3044	* Show the view menu.
3045	*/
3046	if (m_pViewMenu)
3047	{
3048	m_pRefreshAct->setEnabled(true);
3049	m_CurIndex = m_pModel->getRootIndex();
3050	m_pCurMenu = m_pViewMenu;
3051
3052	m_pViewMenu->exec(header()->mapToGlobal(a_rPos));
3053
3054	m_pCurMenu = NULL;
3055	m_CurIndex = QModelIndex();
3056	if (m_pRefreshAct)
3057	m_pRefreshAct->setEnabled(true);
3058	}
3059	}
3060
3061
3062	void
3063	VBoxDbgStatsView::actExpand()
3064	{
3065	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3066	if (Idx.isValid())
3067	setSubTreeExpanded(Idx, true /* a_fExpanded */);
3068	}
3069
3070
3071	void
3072	VBoxDbgStatsView::actCollapse()
3073	{
3074	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3075	if (Idx.isValid())
3076	setSubTreeExpanded(Idx, false /* a_fExpanded */);
3077	}
3078
3079
3080	void
3081	VBoxDbgStatsView::actRefresh()
3082	{
3083	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3084	if (!Idx.isValid() \|\| Idx == m_pModel->getRootIndex())
3085	{
3086	if (m_pModel->updateStatsByPattern(m_PatStr))
3087	setRootIndex(m_pModel->getRootIndex()); /* hack */
3088	}
3089	else
3090	m_pModel->updateStatsByIndex(Idx);
3091	}
3092
3093
3094	void
3095	VBoxDbgStatsView::actReset()
3096	{
3097	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3098	if (!Idx.isValid() \|\| Idx == m_pModel->getRootIndex())
3099	m_pModel->resetStatsByPattern(m_PatStr);
3100	else
3101	m_pModel->resetStatsByIndex(Idx);
3102	}
3103
3104
3105	void
3106	VBoxDbgStatsView::actCopy()
3107	{
3108	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3109	m_pModel->copyTreeToClipboard(Idx);
3110	}
3111
3112
3113	void
3114	VBoxDbgStatsView::actToLog()
3115	{
3116	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3117	m_pModel->logTree(Idx, false /* a_fReleaseLog */);
3118	}
3119
3120
3121	void
3122	VBoxDbgStatsView::actToRelLog()
3123	{
3124	QModelIndex Idx = m_pCurMenu ? m_CurIndex : currentIndex();
3125	m_pModel->logTree(Idx, true /* a_fReleaseLog */);
3126	}
3127
3128
3129	void
3130	VBoxDbgStatsView::actAdjColumns()
3131	{
3132	resizeColumnsToContent();
3133	}
3134
3135
3136
3137
3138
3139
3140	/*
3141	*
3142	* V B o x D b g S t a t s
3143	* V B o x D b g S t a t s
3144	* V B o x D b g S t a t s
3145	*
3146	*
3147	*/
3148
3149
3150	VBoxDbgStats::VBoxDbgStats(VBoxDbgGui a_pDbgGui, const char pszFilter /= NULL/, const char pszExpand /= NULL*/,
3151	unsigned uRefreshRate/* = 0/, QWidget pParent/* = NULL*/)
3152	: VBoxDbgBaseWindow(a_pDbgGui, pParent, "Statistics")
3153	, m_PatStr(pszFilter), m_pPatCB(NULL), m_uRefreshRate(0), m_pTimer(NULL), m_pView(NULL)
3154	{
3155	/* Delete dialog on close: */
3156	setAttribute(Qt::WA_DeleteOnClose);
3157
3158	/*
3159	* On top, a horizontal box with the pattern field, buttons and refresh interval.
3160	*/
3161	QHBoxLayout *pHLayout = new QHBoxLayout;
3162
3163	QLabel *pLabel = new QLabel(" Pattern ");
3164	pHLayout->addWidget(pLabel);
3165	pLabel->setMaximumSize(pLabel->sizeHint());
3166	pLabel->setAlignment(Qt::AlignHCenter \| Qt::AlignVCenter);
3167
3168	m_pPatCB = new QComboBox();
3169	m_pPatCB->setCompleter(0);
3170	pHLayout->addWidget(m_pPatCB);
3171	if (!m_PatStr.isEmpty())
3172	m_pPatCB->addItem(m_PatStr);
3173	m_pPatCB->setDuplicatesEnabled(false);
3174	m_pPatCB->setEditable(true);
3175	connect(m_pPatCB, SIGNAL(activated(const QString &)), this, SLOT(apply(const QString &)));
3176
3177	QPushButton *pPB = new QPushButton("&All");
3178	pHLayout->addWidget(pPB);
3179	pPB->setMaximumSize(pPB->sizeHint());
3180	connect(pPB, SIGNAL(clicked()), this, SLOT(applyAll()));
3181
3182	pLabel = new QLabel(" Interval ");
3183	pHLayout->addWidget(pLabel);
3184	pLabel->setMaximumSize(pLabel->sizeHint());
3185	pLabel->setAlignment(Qt::AlignRight \| Qt::AlignVCenter);
3186
3187	QSpinBox *pSB = new QSpinBox();
3188	pHLayout->addWidget(pSB);
3189	pSB->setMinimum(0);
3190	pSB->setMaximum(60);
3191	pSB->setSingleStep(1);
3192	pSB->setValue(uRefreshRate);
3193	pSB->setSuffix(" s");
3194	pSB->setWrapping(false);
3195	pSB->setButtonSymbols(QSpinBox::PlusMinus);
3196	pSB->setMaximumSize(pSB->sizeHint());
3197	connect(pSB, SIGNAL(valueChanged(int)), this, SLOT(setRefresh(int)));
3198
3199	/*
3200	* Create the tree view and setup the layout.
3201	*/
3202	VBoxDbgStatsModelVM *pModel = new VBoxDbgStatsModelVM(a_pDbgGui, m_PatStr, NULL);
3203	m_pView = new VBoxDbgStatsView(a_pDbgGui, pModel, this);
3204
3205	QWidget *pHBox = new QWidget;
3206	pHBox->setLayout(pHLayout);
3207
3208	QVBoxLayout *pVLayout = new QVBoxLayout;
3209	pVLayout->addWidget(pHBox);
3210	pVLayout->addWidget(m_pView);
3211	setLayout(pVLayout);
3212
3213	/*
3214	* Resize the columns.
3215	* Seems this has to be done with all nodes expanded.
3216	*/
3217	m_pView->expandAll();
3218	m_pView->resizeColumnsToContent();
3219	m_pView->collapseAll();
3220
3221	if (pszExpand && *pszExpand)
3222	m_pView->expandMatching(QString(pszExpand));
3223
3224	/*
3225	* Create a refresh timer and start it.
3226	*/
3227	m_pTimer = new QTimer(this);
3228	connect(m_pTimer, SIGNAL(timeout()), this, SLOT(refresh()));
3229	setRefresh(uRefreshRate);
3230
3231	/*
3232	* And some shortcuts.
3233	*/
3234	m_pFocusToPat = new QAction("", this);
3235	m_pFocusToPat->setShortcut(QKeySequence("Ctrl+L"));
3236	addAction(m_pFocusToPat);
3237	connect(m_pFocusToPat, SIGNAL(triggered(bool)), this, SLOT(actFocusToPat()));
3238	}
3239
3240
3241	VBoxDbgStats::~VBoxDbgStats()
3242	{
3243	if (m_pTimer)
3244	{
3245	delete m_pTimer;
3246	m_pTimer = NULL;
3247	}
3248
3249	if (m_pPatCB)
3250	{
3251	delete m_pPatCB;
3252	m_pPatCB = NULL;
3253	}
3254
3255	if (m_pView)
3256	{
3257	delete m_pView;
3258	m_pView = NULL;
3259	}
3260	}
3261
3262
3263	void
3264	VBoxDbgStats::closeEvent(QCloseEvent *a_pCloseEvt)
3265	{
3266	a_pCloseEvt->accept();
3267	}
3268
3269
3270	void
3271	VBoxDbgStats::apply(const QString &Str)
3272	{
3273	m_PatStr = Str;
3274	refresh();
3275	}
3276
3277
3278	void
3279	VBoxDbgStats::applyAll()
3280	{
3281	apply("");
3282	}
3283
3284
3285
3286	void
3287	VBoxDbgStats::refresh()
3288	{
3289	m_pView->updateStats(m_PatStr);
3290	}
3291
3292
3293	void
3294	VBoxDbgStats::setRefresh(int iRefresh)
3295	{
3296	if ((unsigned)iRefresh != m_uRefreshRate)
3297	{
3298	if (!m_uRefreshRate \|\| iRefresh)
3299	m_pTimer->start(iRefresh * 1000);
3300	else
3301	m_pTimer->stop();
3302	m_uRefreshRate = iRefresh;
3303	}
3304	}
3305
3306
3307	void
3308	VBoxDbgStats::actFocusToPat()
3309	{
3310	if (!m_pPatCB->hasFocus())
3311	m_pPatCB->setFocus(Qt::ShortcutFocusReason);
3312	}
3313

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source: vbox/trunk/src/VBox/Debugger/VBoxDbgStatsQt.cpp@ 92780

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