VirtualBox

source: vbox/trunk/include/VBox/stam.h@ 32780

Last change on this file since 32780 was 30684, checked in by vboxsync, 14 years ago

TM: Added resettable accounting stats. Count the halts and execution periods.

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File size: 43.0 KB
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1/** @file
2 * STAM - Statistics Manager. (VMM)
3 */
4
5/*
6 * Copyright (C) 2006-2007 Oracle Corporation
7 *
8 * This file is part of VirtualBox Open Source Edition (OSE), as
9 * available from http://www.virtualbox.org. This file is free software;
10 * you can redistribute it and/or modify it under the terms of the GNU
11 * General Public License (GPL) as published by the Free Software
12 * Foundation, in version 2 as it comes in the "COPYING" file of the
13 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
14 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
15 *
16 * The contents of this file may alternatively be used under the terms
17 * of the Common Development and Distribution License Version 1.0
18 * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
19 * VirtualBox OSE distribution, in which case the provisions of the
20 * CDDL are applicable instead of those of the GPL.
21 *
22 * You may elect to license modified versions of this file under the
23 * terms and conditions of either the GPL or the CDDL or both.
24 */
25
26#ifndef ___VBox_stam_h
27#define ___VBox_stam_h
28
29#include <VBox/cdefs.h>
30#include <VBox/types.h>
31#include <iprt/stdarg.h>
32#ifdef _MSC_VER
33# if _MSC_VER >= 1400
34# include <intrin.h>
35# endif
36#endif
37
38RT_C_DECLS_BEGIN
39
40/** @defgroup grp_stam The Statistics Manager API
41 * @{
42 */
43
44#if defined(VBOX_WITHOUT_RELEASE_STATISTICS) && defined(VBOX_WITH_STATISTICS)
45# error "Both VBOX_WITHOUT_RELEASE_STATISTICS and VBOX_WITH_STATISTICS are defined! Make up your mind!"
46#endif
47
48
49/** @def STAM_GET_TS
50 * Gets the CPU timestamp counter.
51 *
52 * @param u64 The 64-bit variable which the timestamp shall be saved in.
53 */
54#ifdef __GNUC__
55# if defined(RT_ARCH_X86)
56 /* This produces optimal assembler code for x86 but does not work for AMD64 ('A' means 'either rax or rdx') */
57# define STAM_GET_TS(u64) __asm__ __volatile__ ("rdtsc\n\t" : "=A" (u64))
58# elif defined(RT_ARCH_AMD64)
59# define STAM_GET_TS(u64) \
60 do { uint64_t low; uint64_t high; \
61 __asm__ __volatile__ ("rdtsc\n\t" : "=a"(low), "=d"(high)); \
62 (u64) = ((high << 32) | low); \
63 } while (0)
64# endif
65#else
66# if _MSC_VER >= 1400
67# pragma intrinsic(__rdtsc)
68# define STAM_GET_TS(u64) \
69 do { (u64) = __rdtsc(); } while (0)
70# else
71# define STAM_GET_TS(u64) \
72 do { \
73 uint64_t u64Tmp; \
74 __asm { \
75 __asm rdtsc \
76 __asm mov dword ptr [u64Tmp], eax \
77 __asm mov dword ptr [u64Tmp + 4], edx \
78 } \
79 (u64) = u64Tmp; \
80 } while (0)
81# endif
82#endif
83
84
85/** @def STAM_REL_STATS
86 * Code for inclusion only when VBOX_WITH_STATISTICS is defined.
87 * @param code A code block enclosed in {}.
88 */
89#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
90# define STAM_REL_STATS(code) do code while(0)
91#else
92# define STAM_REL_STATS(code) do {} while(0)
93#endif
94/** @def STAM_STATS
95 * Code for inclusion only when VBOX_WITH_STATISTICS is defined.
96 * @param code A code block enclosed in {}.
97 */
98#ifdef VBOX_WITH_STATISTICS
99# define STAM_STATS(code) STAM_REL_STATS(code)
100#else
101# define STAM_STATS(code) do {} while(0)
102#endif
103
104
105/**
106 * Sample type.
107 */
108typedef enum STAMTYPE
109{
110 /** Invalid entry. */
111 STAMTYPE_INVALID = 0,
112 /** Generic counter. */
113 STAMTYPE_COUNTER,
114 /** Profiling of an function. */
115 STAMTYPE_PROFILE,
116 /** Profiling of an operation. */
117 STAMTYPE_PROFILE_ADV,
118 /** Ratio of A to B, uint32_t types. Not reset. */
119 STAMTYPE_RATIO_U32,
120 /** Ratio of A to B, uint32_t types. Reset both to 0. */
121 STAMTYPE_RATIO_U32_RESET,
122 /** Callback. */
123 STAMTYPE_CALLBACK,
124 /** Generic unsigned 8-bit value. Not reset. */
125 STAMTYPE_U8,
126 /** Generic unsigned 8-bit value. Reset to 0. */
127 STAMTYPE_U8_RESET,
128 /** Generic hexadecimal unsigned 8-bit value. Not reset. */
129 STAMTYPE_X8,
130 /** Generic hexadecimal unsigned 8-bit value. Reset to 0. */
131 STAMTYPE_X8_RESET,
132 /** Generic unsigned 16-bit value. Not reset. */
133 STAMTYPE_U16,
134 /** Generic unsigned 16-bit value. Reset to 0. */
135 STAMTYPE_U16_RESET,
136 /** Generic hexadecimal unsigned 16-bit value. Not reset. */
137 STAMTYPE_X16,
138 /** Generic hexadecimal unsigned 16-bit value. Reset to 0. */
139 STAMTYPE_X16_RESET,
140 /** Generic unsigned 32-bit value. Not reset. */
141 STAMTYPE_U32,
142 /** Generic unsigned 32-bit value. Reset to 0. */
143 STAMTYPE_U32_RESET,
144 /** Generic hexadecimal unsigned 32-bit value. Not reset. */
145 STAMTYPE_X32,
146 /** Generic hexadecimal unsigned 32-bit value. Reset to 0. */
147 STAMTYPE_X32_RESET,
148 /** Generic unsigned 64-bit value. Not reset. */
149 STAMTYPE_U64,
150 /** Generic unsigned 64-bit value. Reset to 0. */
151 STAMTYPE_U64_RESET,
152 /** Generic hexadecimal unsigned 64-bit value. Not reset. */
153 STAMTYPE_X64,
154 /** Generic hexadecimal unsigned 64-bit value. Reset to 0. */
155 STAMTYPE_X64_RESET,
156 /** The end (exclusive). */
157 STAMTYPE_END
158} STAMTYPE;
159
160/**
161 * Sample visibility type.
162 */
163typedef enum STAMVISIBILITY
164{
165 /** Invalid entry. */
166 STAMVISIBILITY_INVALID = 0,
167 /** Always visible. */
168 STAMVISIBILITY_ALWAYS,
169 /** Only visible when used (/hit). */
170 STAMVISIBILITY_USED,
171 /** Not visible in the GUI. */
172 STAMVISIBILITY_NOT_GUI,
173 /** The end (exclusive). */
174 STAMVISIBILITY_END
175} STAMVISIBILITY;
176
177/**
178 * Sample unit.
179 */
180typedef enum STAMUNIT
181{
182 /** Invalid entry .*/
183 STAMUNIT_INVALID = 0,
184 /** No unit. */
185 STAMUNIT_NONE,
186 /** Number of calls. */
187 STAMUNIT_CALLS,
188 /** Count of whatever. */
189 STAMUNIT_COUNT,
190 /** Count of bytes. */
191 STAMUNIT_BYTES,
192 /** Count of bytes. */
193 STAMUNIT_PAGES,
194 /** Error count. */
195 STAMUNIT_ERRORS,
196 /** Number of occurences. */
197 STAMUNIT_OCCURENCES,
198 /** Ticks. */
199 STAMUNIT_TICKS,
200 /** Ticks per call. */
201 STAMUNIT_TICKS_PER_CALL,
202 /** Ticks per occurence. */
203 STAMUNIT_TICKS_PER_OCCURENCE,
204 /** Ratio of good vs. bad. */
205 STAMUNIT_GOOD_BAD,
206 /** Megabytes. */
207 STAMUNIT_MEGABYTES,
208 /** Kilobytes. */
209 STAMUNIT_KILOBYTES,
210 /** Nano seconds. */
211 STAMUNIT_NS,
212 /** Nanoseconds per call. */
213 STAMUNIT_NS_PER_CALL,
214 /** Nanoseconds per call. */
215 STAMUNIT_NS_PER_OCCURENCE,
216 /** Percentage. */
217 STAMUNIT_PCT,
218 /** The end (exclusive). */
219 STAMUNIT_END
220} STAMUNIT;
221
222
223/** @def STAM_REL_U8_INC
224 * Increments a uint8_t sample by one.
225 *
226 * @param pCounter Pointer to the uint8_t variable to operate on.
227 */
228#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
229# define STAM_REL_U8_INC(pCounter) \
230 do { ++*(pCounter); } while (0)
231#else
232# define STAM_REL_U8_INC(pCounter) do { } while (0)
233#endif
234/** @def STAM_U8_INC
235 * Increments a uint8_t sample by one.
236 *
237 * @param pCounter Pointer to the uint8_t variable to operate on.
238 */
239#ifdef VBOX_WITH_STATISTICS
240# define STAM_U8_INC(pCounter) STAM_REL_U8_INC(pCounter)
241#else
242# define STAM_U8_INC(pCounter) do { } while (0)
243#endif
244
245
246/** @def STAM_REL_U8_DEC
247 * Decrements a uint8_t sample by one.
248 *
249 * @param pCounter Pointer to the uint8_t variable to operate on.
250 */
251#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
252# define STAM_REL_U8_DEC(pCounter) \
253 do { --*(pCounter); } while (0)
254#else
255# define STAM_REL_U8_DEC(pCounter) do { } while (0)
256#endif
257/** @def STAM_U8_DEC
258 * Decrements a uint8_t sample by one.
259 *
260 * @param pCounter Pointer to the uint8_t variable to operate on.
261 */
262#ifdef VBOX_WITH_STATISTICS
263# define STAM_U8_DEC(pCounter) STAM_REL_U8_DEC(pCounter)
264#else
265# define STAM_U8_DEC(pCounter) do { } while (0)
266#endif
267
268
269/** @def STAM_REL_U8_ADD
270 * Increments a uint8_t sample by a value.
271 *
272 * @param pCounter Pointer to the uint8_t variable to operate on.
273 * @param Addend The value to add.
274 */
275#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
276# define STAM_REL_U8_ADD(pCounter, Addend) \
277 do { *(pCounter) += (Addend); } while (0)
278#else
279# define STAM_REL_U8_ADD(pCounter, Addend) do { } while (0)
280#endif
281/** @def STAM_U8_ADD
282 * Increments a uint8_t sample by a value.
283 *
284 * @param pCounter Pointer to the uint8_t variable to operate on.
285 * @param Addend The value to add.
286 */
287#ifdef VBOX_WITH_STATISTICS
288# define STAM_U8_ADD(pCounter, Addend) STAM_REL_U8_ADD(pCounter, Addend
289#else
290# define STAM_U8_ADD(pCounter, Addend) do { } while (0)
291#endif
292
293
294/** @def STAM_REL_U16_INC
295 * Increments a uint16_t sample by one.
296 *
297 * @param pCounter Pointer to the uint16_t variable to operate on.
298 */
299#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
300# define STAM_REL_U16_INC(pCounter) \
301 do { ++*(pCounter); } while (0)
302#else
303# define STAM_REL_U16_INC(pCounter) do { } while (0)
304#endif
305/** @def STAM_U16_INC
306 * Increments a uint16_t sample by one.
307 *
308 * @param pCounter Pointer to the uint16_t variable to operate on.
309 */
310#ifdef VBOX_WITH_STATISTICS
311# define STAM_U16_INC(pCounter) STAM_REL_U16_INC(pCounter)
312#else
313# define STAM_U16_INC(pCounter) do { } while (0)
314#endif
315
316
317/** @def STAM_REL_U16_DEC
318 * Decrements a uint16_t sample by one.
319 *
320 * @param pCounter Pointer to the uint16_t variable to operate on.
321 */
322#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
323# define STAM_REL_U16_DEC(pCounter) \
324 do { --*(pCounter); } while (0)
325#else
326# define STAM_REL_U16_DEC(pCounter) do { } while (0)
327#endif
328/** @def STAM_U16_DEC
329 * Decrements a uint16_t sample by one.
330 *
331 * @param pCounter Pointer to the uint16_t variable to operate on.
332 */
333#ifdef VBOX_WITH_STATISTICS
334# define STAM_U16_DEC(pCounter) STAM_REL_U16_DEC(pCounter)
335#else
336# define STAM_U16_DEC(pCounter) do { } while (0)
337#endif
338
339
340/** @def STAM_REL_U16_INC
341 * Increments a uint16_t sample by a value.
342 *
343 * @param pCounter Pointer to the uint16_t variable to operate on.
344 * @param Addend The value to add.
345 */
346#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
347# define STAM_REL_U16_ADD(pCounter, Addend) \
348 do { *(pCounter) += (Addend); } while (0)
349#else
350# define STAM_REL_U16_ADD(pCounter, Addend) do { } while (0)
351#endif
352/** @def STAM_U16_INC
353 * Increments a uint16_t sample by a value.
354 *
355 * @param pCounter Pointer to the uint16_t variable to operate on.
356 * @param Addend The value to add.
357 */
358#ifdef VBOX_WITH_STATISTICS
359# define STAM_U16_ADD(pCounter, Addend) STAM_REL_U16_ADD(pCounter, Addend)
360#else
361# define STAM_U16_ADD(pCounter, Addend) do { } while (0)
362#endif
363
364
365/** @def STAM_REL_U32_INC
366 * Increments a uint32_t sample by one.
367 *
368 * @param pCounter Pointer to the uint32_t variable to operate on.
369 */
370#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
371# define STAM_REL_U32_INC(pCounter) \
372 do { ++*(pCounter); } while (0)
373#else
374# define STAM_REL_U32_INC(pCounter) do { } while (0)
375#endif
376/** @def STAM_U32_INC
377 * Increments a uint32_t sample by one.
378 *
379 * @param pCounter Pointer to the uint32_t variable to operate on.
380 */
381#ifdef VBOX_WITH_STATISTICS
382# define STAM_U32_INC(pCounter) STAM_REL_U32_INC(pCounter)
383#else
384# define STAM_U32_INC(pCounter) do { } while (0)
385#endif
386
387
388/** @def STAM_REL_U32_DEC
389 * Decrements a uint32_t sample by one.
390 *
391 * @param pCounter Pointer to the uint32_t variable to operate on.
392 */
393#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
394# define STAM_REL_U32_DEC(pCounter) \
395 do { --*(pCounter); } while (0)
396#else
397# define STAM_REL_U32_DEC(pCounter) do { } while (0)
398#endif
399/** @def STAM_U32_DEC
400 * Decrements a uint32_t sample by one.
401 *
402 * @param pCounter Pointer to the uint32_t variable to operate on.
403 */
404#ifdef VBOX_WITH_STATISTICS
405# define STAM_U32_DEC(pCounter) STAM_REL_U32_DEC(pCounter)
406#else
407# define STAM_U32_DEC(pCounter) do { } while (0)
408#endif
409
410
411/** @def STAM_REL_U32_ADD
412 * Increments a uint32_t sample by value.
413 *
414 * @param pCounter Pointer to the uint32_t variable to operate on.
415 * @param Addend The value to add.
416 */
417#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
418# define STAM_REL_U32_ADD(pCounter, Addend) \
419 do { *(pCounter) += (Addend); } while (0)
420#else
421# define STAM_REL_U32_ADD(pCounter, Addend) do { } while (0)
422#endif
423/** @def STAM_U32_ADD
424 * Increments a uint32_t sample by value.
425 *
426 * @param pCounter Pointer to the uint32_t variable to operate on.
427 * @param Addend The value to add.
428 */
429#ifdef VBOX_WITH_STATISTICS
430# define STAM_U32_ADD(pCounter, Addend) STAM_REL_U32_ADD(pCounter, Addend)
431#else
432# define STAM_U32_ADD(pCounter, Addend) do { } while (0)
433#endif
434
435
436/** @def STAM_REL_U64_INC
437 * Increments a uint64_t sample by one.
438 *
439 * @param pCounter Pointer to the uint64_t variable to operate on.
440 */
441#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
442# define STAM_REL_U64_INC(pCounter) \
443 do { ++*(pCounter); } while (0)
444#else
445# define STAM_REL_U64_INC(pCounter) do { } while (0)
446#endif
447/** @def STAM_U64_INC
448 * Increments a uint64_t sample by one.
449 *
450 * @param pCounter Pointer to the uint64_t variable to operate on.
451 */
452#ifdef VBOX_WITH_STATISTICS
453# define STAM_U64_INC(pCounter) STAM_REL_U64_INC(pCounter)
454#else
455# define STAM_U64_INC(pCounter) do { } while (0)
456#endif
457
458
459/** @def STAM_REL_U64_DEC
460 * Decrements a uint64_t sample by one.
461 *
462 * @param pCounter Pointer to the uint64_t variable to operate on.
463 */
464#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
465# define STAM_REL_U64_DEC(pCounter) \
466 do { --*(pCounter); } while (0)
467#else
468# define STAM_REL_U64_DEC(pCounter) do { } while (0)
469#endif
470/** @def STAM_U64_DEC
471 * Decrements a uint64_t sample by one.
472 *
473 * @param pCounter Pointer to the uint64_t variable to operate on.
474 */
475#ifdef VBOX_WITH_STATISTICS
476# define STAM_U64_DEC(pCounter) STAM_REL_U64_DEC(pCounter)
477#else
478# define STAM_U64_DEC(pCounter) do { } while (0)
479#endif
480
481
482/** @def STAM_REL_U64_ADD
483 * Increments a uint64_t sample by a value.
484 *
485 * @param pCounter Pointer to the uint64_t variable to operate on.
486 * @param Addend The value to add.
487 */
488#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
489# define STAM_REL_U64_ADD(pCounter, Addend) \
490 do { *(pCounter) += (Addend); } while (0)
491#else
492# define STAM_REL_U64_ADD(pCounter, Addend) do { } while (0)
493#endif
494/** @def STAM_U64_ADD
495 * Increments a uint64_t sample by a value.
496 *
497 * @param pCounter Pointer to the uint64_t variable to operate on.
498 * @param Addend The value to add.
499 */
500#ifdef VBOX_WITH_STATISTICS
501# define STAM_U64_ADD(pCounter, Addend) STAM_REL_U64_ADD(pCounter, Addend)
502#else
503# define STAM_U64_ADD(pCounter, Addend) do { } while (0)
504#endif
505
506
507/**
508 * Counter sample - STAMTYPE_COUNTER.
509 */
510typedef struct STAMCOUNTER
511{
512 /** The current count. */
513 volatile uint64_t c;
514} STAMCOUNTER;
515/** Pointer to a counter. */
516typedef STAMCOUNTER *PSTAMCOUNTER;
517/** Pointer to a const counter. */
518typedef const STAMCOUNTER *PCSTAMCOUNTER;
519
520
521/** @def STAM_REL_COUNTER_INC
522 * Increments a counter sample by one.
523 *
524 * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
525 */
526#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
527# define STAM_REL_COUNTER_INC(pCounter) \
528 do { (pCounter)->c++; } while (0)
529#else
530# define STAM_REL_COUNTER_INC(pCounter) do { } while (0)
531#endif
532/** @def STAM_COUNTER_INC
533 * Increments a counter sample by one.
534 *
535 * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
536 */
537#ifdef VBOX_WITH_STATISTICS
538# define STAM_COUNTER_INC(pCounter) STAM_REL_COUNTER_INC(pCounter)
539#else
540# define STAM_COUNTER_INC(pCounter) do { } while (0)
541#endif
542
543
544/** @def STAM_REL_COUNTER_DEC
545 * Decrements a counter sample by one.
546 *
547 * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
548 */
549#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
550# define STAM_REL_COUNTER_DEC(pCounter) \
551 do { (pCounter)->c--; } while (0)
552#else
553# define STAM_REL_COUNTER_DEC(pCounter) do { } while (0)
554#endif
555/** @def STAM_COUNTER_DEC
556 * Decrements a counter sample by one.
557 *
558 * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
559 */
560#ifdef VBOX_WITH_STATISTICS
561# define STAM_COUNTER_DEC(pCounter) STAM_REL_COUNTER_DEC(pCounter)
562#else
563# define STAM_COUNTER_DEC(pCounter) do { } while (0)
564#endif
565
566
567/** @def STAM_REL_COUNTER_ADD
568 * Increments a counter sample by a value.
569 *
570 * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
571 * @param Addend The value to add to the counter.
572 */
573#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
574# define STAM_REL_COUNTER_ADD(pCounter, Addend) \
575 do { (pCounter)->c += (Addend); } while (0)
576#else
577# define STAM_REL_COUNTER_ADD(pCounter, Addend) do { } while (0)
578#endif
579/** @def STAM_COUNTER_ADD
580 * Increments a counter sample by a value.
581 *
582 * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
583 * @param Addend The value to add to the counter.
584 */
585#ifdef VBOX_WITH_STATISTICS
586# define STAM_COUNTER_ADD(pCounter, Addend) STAM_REL_COUNTER_ADD(pCounter, Addend)
587#else
588# define STAM_COUNTER_ADD(pCounter, Addend) do { } while (0)
589#endif
590
591
592/** @def STAM_REL_COUNTER_RESET
593 * Resets the statistics sample.
594 */
595#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
596# define STAM_REL_COUNTER_RESET(pCounter) do { (pCounter)->c = 0; } while (0)
597#else
598# define STAM_REL_COUNTER_RESET(pCounter) do { } while (0)
599#endif
600/** @def STAM_COUNTER_RESET
601 * Resets the statistics sample.
602 */
603#ifndef VBOX_WITH_STATISTICS
604# define STAM_COUNTER_RESET(pCounter) STAM_REL_COUNTER_RESET(pCounter)
605#else
606# define STAM_COUNTER_RESET(pCounter) do { } while (0)
607#endif
608
609
610
611/**
612 * Profiling sample - STAMTYPE_PROFILE.
613 */
614typedef struct STAMPROFILE
615{
616 /** Number of periods. */
617 volatile uint64_t cPeriods;
618 /** Total count of ticks. */
619 volatile uint64_t cTicks;
620 /** Maximum tick count during a sampling. */
621 volatile uint64_t cTicksMax;
622 /** Minimum tick count during a sampling. */
623 volatile uint64_t cTicksMin;
624} STAMPROFILE;
625/** Pointer to a profile sample. */
626typedef STAMPROFILE *PSTAMPROFILE;
627/** Pointer to a const profile sample. */
628typedef const STAMPROFILE *PCSTAMPROFILE;
629
630
631/** @def STAM_REL_PROFILE_ADD_PERIOD
632 * Adds a period.
633 *
634 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
635 * @param cTicksInPeriod The number of tick (or whatever) of the preiod
636 * being added. This is only referenced once.
637 */
638#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
639# define STAM_REL_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) \
640 do { \
641 uint64_t const StamPrefix_cTicks = (cTicksInPeriod); \
642 (pProfile)->cTicks += StamPrefix_cTicks; \
643 (pProfile)->cPeriods++; \
644 if ((pProfile)->cTicksMax < StamPrefix_cTicks) \
645 (pProfile)->cTicksMax = StamPrefix_cTicks; \
646 if ((pProfile)->cTicksMin > StamPrefix_cTicks) \
647 (pProfile)->cTicksMin = StamPrefix_cTicks; \
648 } while (0)
649#else
650# define STAM_REL_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) do { } while (0)
651#endif
652/** @def STAM_PROFILE_ADD_PERIOD
653 * Adds a period.
654 *
655 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
656 * @param cTicksInPeriod The number of tick (or whatever) of the preiod
657 * being added. This is only referenced once.
658 */
659#ifdef VBOX_WITH_STATISTICS
660# define STAM_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) STAM_REL_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod)
661#else
662# define STAM_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) do { } while (0)
663#endif
664
665
666/** @def STAM_REL_PROFILE_START
667 * Samples the start time of a profiling period.
668 *
669 * @param pProfile Pointer to the STAMPROFILE structure to operate on.
670 * @param Prefix Identifier prefix used to internal variables.
671 *
672 * @remarks Declears a stack variable that will be used by related macros.
673 */
674#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
675# define STAM_REL_PROFILE_START(pProfile, Prefix) \
676 uint64_t Prefix##_tsStart; \
677 STAM_GET_TS(Prefix##_tsStart)
678#else
679# define STAM_REL_PROFILE_START(pProfile, Prefix) do { } while (0)
680#endif
681/** @def STAM_PROFILE_START
682 * Samples the start time of a profiling period.
683 *
684 * @param pProfile Pointer to the STAMPROFILE structure to operate on.
685 * @param Prefix Identifier prefix used to internal variables.
686 *
687 * @remarks Declears a stack variable that will be used by related macros.
688 */
689#ifdef VBOX_WITH_STATISTICS
690# define STAM_PROFILE_START(pProfile, Prefix) STAM_REL_PROFILE_START(pProfile, Prefix)
691#else
692# define STAM_PROFILE_START(pProfile, Prefix) do { } while (0)
693#endif
694
695/** @def STAM_REL_PROFILE_STOP
696 * Samples the stop time of a profiling period and updates the sample.
697 *
698 * @param pProfile Pointer to the STAMPROFILE structure to operate on.
699 * @param Prefix Identifier prefix used to internal variables.
700 */
701#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
702# define STAM_REL_PROFILE_STOP(pProfile, Prefix) \
703 do { \
704 uint64_t Prefix##_cTicks; \
705 STAM_GET_TS(Prefix##_cTicks); \
706 Prefix##_cTicks -= Prefix##_tsStart; \
707 (pProfile)->cTicks += Prefix##_cTicks; \
708 (pProfile)->cPeriods++; \
709 if ((pProfile)->cTicksMax < Prefix##_cTicks) \
710 (pProfile)->cTicksMax = Prefix##_cTicks; \
711 if ((pProfile)->cTicksMin > Prefix##_cTicks) \
712 (pProfile)->cTicksMin = Prefix##_cTicks; \
713 } while (0)
714#else
715# define STAM_REL_PROFILE_STOP(pProfile, Prefix) do { } while (0)
716#endif
717/** @def STAM_PROFILE_STOP
718 * Samples the stop time of a profiling period and updates the sample.
719 *
720 * @param pProfile Pointer to the STAMPROFILE structure to operate on.
721 * @param Prefix Identifier prefix used to internal variables.
722 */
723#ifdef VBOX_WITH_STATISTICS
724# define STAM_PROFILE_STOP(pProfile, Prefix) STAM_REL_PROFILE_STOP(pProfile, Prefix)
725#else
726# define STAM_PROFILE_STOP(pProfile, Prefix) do { } while (0)
727#endif
728
729
730/** @def STAM_REL_PROFILE_STOP_EX
731 * Samples the stop time of a profiling period and updates both the sample
732 * and an attribution sample.
733 *
734 * @param pProfile Pointer to the STAMPROFILE structure to operate on.
735 * @param pProfile2 Pointer to the STAMPROFILE structure which this
736 * interval should be attributed to as well. This may be NULL.
737 * @param Prefix Identifier prefix used to internal variables.
738 */
739#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
740# define STAM_REL_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) \
741 do { \
742 uint64_t Prefix##_cTicks; \
743 STAM_GET_TS(Prefix##_cTicks); \
744 Prefix##_cTicks -= Prefix##_tsStart; \
745 (pProfile)->cTicks += Prefix##_cTicks; \
746 (pProfile)->cPeriods++; \
747 if ((pProfile)->cTicksMax < Prefix##_cTicks) \
748 (pProfile)->cTicksMax = Prefix##_cTicks; \
749 if ((pProfile)->cTicksMin > Prefix##_cTicks) \
750 (pProfile)->cTicksMin = Prefix##_cTicks; \
751 \
752 if ((pProfile2)) \
753 { \
754 (pProfile2)->cTicks += Prefix##_cTicks; \
755 (pProfile2)->cPeriods++; \
756 if ((pProfile2)->cTicksMax < Prefix##_cTicks) \
757 (pProfile2)->cTicksMax = Prefix##_cTicks; \
758 if ((pProfile2)->cTicksMin > Prefix##_cTicks) \
759 (pProfile2)->cTicksMin = Prefix##_cTicks; \
760 } \
761 } while (0)
762#else
763# define STAM_REL_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) do { } while (0)
764#endif
765/** @def STAM_PROFILE_STOP_EX
766 * Samples the stop time of a profiling period and updates both the sample
767 * and an attribution sample.
768 *
769 * @param pProfile Pointer to the STAMPROFILE structure to operate on.
770 * @param pProfile2 Pointer to the STAMPROFILE structure which this
771 * interval should be attributed to as well. This may be NULL.
772 * @param Prefix Identifier prefix used to internal variables.
773 */
774#ifdef VBOX_WITH_STATISTICS
775# define STAM_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) STAM_REL_PROFILE_STOP_EX(pProfile, pProfile2, Prefix)
776#else
777# define STAM_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) do { } while (0)
778#endif
779
780
781/**
782 * Advanced profiling sample - STAMTYPE_PROFILE_ADV.
783 *
784 * Identical to a STAMPROFILE sample, but the start timestamp
785 * is stored after the STAMPROFILE structure so the sampling
786 * can start and stop in different functions.
787 */
788typedef struct STAMPROFILEADV
789{
790 /** The STAMPROFILE core. */
791 STAMPROFILE Core;
792 /** The start timestamp. */
793 volatile uint64_t tsStart;
794} STAMPROFILEADV;
795/** Pointer to a advanced profile sample. */
796typedef STAMPROFILEADV *PSTAMPROFILEADV;
797/** Pointer to a const advanced profile sample. */
798typedef const STAMPROFILEADV *PCSTAMPROFILEADV;
799
800
801/** @def STAM_REL_PROFILE_ADV_START
802 * Samples the start time of a profiling period.
803 *
804 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
805 * @param Prefix Identifier prefix used to internal variables.
806 */
807#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
808# define STAM_REL_PROFILE_ADV_START(pProfileAdv, Prefix) \
809 STAM_GET_TS((pProfileAdv)->tsStart)
810#else
811# define STAM_REL_PROFILE_ADV_START(pProfileAdv, Prefix) do { } while (0)
812#endif
813/** @def STAM_PROFILE_ADV_START
814 * Samples the start time of a profiling period.
815 *
816 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
817 * @param Prefix Identifier prefix used to internal variables.
818 */
819#ifdef VBOX_WITH_STATISTICS
820# define STAM_PROFILE_ADV_START(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_START(pProfileAdv, Prefix)
821#else
822# define STAM_PROFILE_ADV_START(pProfileAdv, Prefix) do { } while (0)
823#endif
824
825
826/** @def STAM_REL_PROFILE_ADV_STOP
827 * Samples the stop time of a profiling period (if running) and updates the
828 * sample.
829 *
830 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
831 * @param Prefix Identifier prefix used to internal variables.
832 */
833#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
834# define STAM_REL_PROFILE_ADV_STOP(pProfileAdv, Prefix) \
835 do { \
836 if ((pProfileAdv)->tsStart) \
837 { \
838 uint64_t Prefix##_cTicks; \
839 STAM_GET_TS(Prefix##_cTicks); \
840 Prefix##_cTicks -= (pProfileAdv)->tsStart; \
841 (pProfileAdv)->tsStart = 0; \
842 (pProfileAdv)->Core.cTicks += Prefix##_cTicks; \
843 (pProfileAdv)->Core.cPeriods++; \
844 if ((pProfileAdv)->Core.cTicksMax < Prefix##_cTicks) \
845 (pProfileAdv)->Core.cTicksMax = Prefix##_cTicks; \
846 if ((pProfileAdv)->Core.cTicksMin > Prefix##_cTicks) \
847 (pProfileAdv)->Core.cTicksMin = Prefix##_cTicks; \
848 } \
849 } while (0)
850#else
851# define STAM_REL_PROFILE_ADV_STOP(pProfileAdv, Prefix) do { } while (0)
852#endif
853/** @def STAM_PROFILE_ADV_STOP
854 * Samples the stop time of a profiling period (if running) and updates the
855 * sample.
856 *
857 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
858 * @param Prefix Identifier prefix used to internal variables.
859 */
860#ifdef VBOX_WITH_STATISTICS
861# define STAM_PROFILE_ADV_STOP(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_STOP(pProfileAdv, Prefix)
862#else
863# define STAM_PROFILE_ADV_STOP(pProfileAdv, Prefix) do { } while (0)
864#endif
865
866
867/** @def STAM_REL_PROFILE_ADV_STOP_START
868 * Stops one profile counter (if running) and starts another one.
869 *
870 * @param pProfileAdv1 Pointer to the STAMPROFILEADV structure to stop.
871 * @param pProfileAdv2 Pointer to the STAMPROFILEADV structure to start.
872 * @param Prefix Identifier prefix used to internal variables.
873 */
874#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
875# define STAM_REL_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
876 do { \
877 uint64_t Prefix##_cTicks; \
878 STAM_GET_TS(Prefix##_cTicks); \
879 (pProfileAdv2)->tsStart = Prefix##_cTicks; \
880 if ((pProfileAdv1)->tsStart) \
881 { \
882 Prefix##_cTicks -= (pProfileAdv1)->tsStart; \
883 (pProfileAdv1)->tsStart = 0; \
884 (pProfileAdv1)->Core.cTicks += Prefix##_cTicks; \
885 (pProfileAdv1)->Core.cPeriods++; \
886 if ((pProfileAdv1)->Core.cTicksMax < Prefix##_cTicks) \
887 (pProfileAdv1)->Core.cTicksMax = Prefix##_cTicks; \
888 if ((pProfileAdv1)->Core.cTicksMin > Prefix##_cTicks) \
889 (pProfileAdv1)->Core.cTicksMin = Prefix##_cTicks; \
890 } \
891 } while (0)
892#else
893# define STAM_REL_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
894 do { } while (0)
895#endif
896/** @def STAM_PROFILE_ADV_STOP_START
897 * Samples the stop time of a profiling period (if running) and updates the
898 * sample.
899 *
900 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
901 * @param Prefix Identifier prefix used to internal variables.
902 */
903#ifdef VBOX_WITH_STATISTICS
904# define STAM_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
905 STAM_REL_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix)
906#else
907# define STAM_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
908 do { } while (0)
909#endif
910
911
912/** @def STAM_REL_PROFILE_ADV_SUSPEND
913 * Suspends the sampling for a while. This can be useful to exclude parts
914 * covered by other samples without screwing up the count, and average+min times.
915 *
916 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
917 * @param Prefix Identifier prefix used to internal variables. The prefix
918 * must match that of the resume one since it stores the
919 * suspend time in a stack variable.
920 */
921#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
922# define STAM_REL_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) \
923 uint64_t Prefix##_tsSuspend; \
924 STAM_GET_TS(Prefix##_tsSuspend)
925#else
926# define STAM_REL_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) do { } while (0)
927#endif
928/** @def STAM_PROFILE_ADV_SUSPEND
929 * Suspends the sampling for a while. This can be useful to exclude parts
930 * covered by other samples without screwing up the count, and average+min times.
931 *
932 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
933 * @param Prefix Identifier prefix used to internal variables. The prefix
934 * must match that of the resume one since it stores the
935 * suspend time in a stack variable.
936 */
937#ifdef VBOX_WITH_STATISTICS
938# define STAM_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix)
939#else
940# define STAM_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) do { } while (0)
941#endif
942
943
944/** @def STAM_REL_PROFILE_ADV_RESUME
945 * Counter to STAM_REL_PROFILE_ADV_SUSPEND.
946 *
947 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
948 * @param Prefix Identifier prefix used to internal variables. This must
949 * match the one used with the SUSPEND!
950 */
951#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
952# define STAM_REL_PROFILE_ADV_RESUME(pProfileAdv, Prefix) \
953 do { \
954 uint64_t Prefix##_tsNow; \
955 STAM_GET_TS(Prefix##_tsNow); \
956 (pProfileAdv)->tsStart += Prefix##_tsNow - Prefix##_tsSuspend; \
957 } while (0)
958#else
959# define STAM_REL_PROFILE_ADV_RESUME(pProfileAdv, Prefix) do { } while (0)
960#endif
961/** @def STAM_PROFILE_ADV_RESUME
962 * Counter to STAM_PROFILE_ADV_SUSPEND.
963 *
964 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
965 * @param Prefix Identifier prefix used to internal variables. This must
966 * match the one used with the SUSPEND!
967 */
968#ifdef VBOX_WITH_STATISTICS
969# define STAM_PROFILE_ADV_RESUME(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_RESUME(pProfileAdv, Prefix)
970#else
971# define STAM_PROFILE_ADV_RESUME(pProfileAdv, Prefix) do { } while (0)
972#endif
973
974
975/** @def STAM_REL_PROFILE_ADV_STOP_EX
976 * Samples the stop time of a profiling period (if running) and updates both
977 * the sample and an attribution sample.
978 *
979 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
980 * @param pProfile2 Pointer to the STAMPROFILE structure which this
981 * interval should be attributed to as well. This may be NULL.
982 * @param Prefix Identifier prefix used to internal variables.
983 */
984#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
985# define STAM_REL_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) \
986 do { \
987 if ((pProfileAdv)->tsStart) \
988 { \
989 uint64_t Prefix##_cTicks; \
990 STAM_GET_TS(Prefix##_cTicks); \
991 Prefix##_cTicks -= (pProfileAdv)->tsStart; \
992 (pProfileAdv)->tsStart = 0; \
993 (pProfileAdv)->Core.cTicks += Prefix##_cTicks; \
994 (pProfileAdv)->Core.cPeriods++; \
995 if ((pProfileAdv)->Core.cTicksMax < Prefix##_cTicks) \
996 (pProfileAdv)->Core.cTicksMax = Prefix##_cTicks; \
997 if ((pProfileAdv)->Core.cTicksMin > Prefix##_cTicks) \
998 (pProfileAdv)->Core.cTicksMin = Prefix##_cTicks; \
999 if ((pProfile2)) \
1000 { \
1001 (pProfile2)->cTicks += Prefix##_cTicks; \
1002 (pProfile2)->cPeriods++; \
1003 if ((pProfile2)->cTicksMax < Prefix##_cTicks) \
1004 (pProfile2)->cTicksMax = Prefix##_cTicks; \
1005 if ((pProfile2)->cTicksMin > Prefix##_cTicks) \
1006 (pProfile2)->cTicksMin = Prefix##_cTicks; \
1007 } \
1008 } \
1009 } while (0)
1010#else
1011# define STAM_REL_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) do { } while (0)
1012#endif
1013/** @def STAM_PROFILE_ADV_STOP_EX
1014 * Samples the stop time of a profiling period (if running) and updates both
1015 * the sample and an attribution sample.
1016 *
1017 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
1018 * @param pProfile2 Pointer to the STAMPROFILE structure which this
1019 * interval should be attributed to as well. This may be NULL.
1020 * @param Prefix Identifier prefix used to internal variables.
1021 */
1022#ifdef VBOX_WITH_STATISTICS
1023# define STAM_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) STAM_REL_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix)
1024#else
1025# define STAM_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) do { } while (0)
1026#endif
1027
1028/** @def STAM_REL_PROFILE_ADV_IS_RUNNING
1029 * Checks if it is running.
1030 *
1031 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
1032 */
1033#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
1034# define STAM_REL_PROFILE_ADV_IS_RUNNING(pProfileAdv) (pProfileAdv)->tsStart
1035#else
1036# define STAM_REL_PROFILE_ADV_IS_RUNNING(pProfileAdv) (false)
1037#endif
1038/** @def STAM_PROFILE_ADV_IS_RUNNING
1039 * Checks if it is running.
1040 *
1041 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
1042 */
1043#ifdef VBOX_WITH_STATISTICS
1044# define STAM_PROFILE_ADV_IS_RUNNING(pProfileAdv) STAM_REL_PROFILE_ADV_IS_RUNNING(pProfileAdv)
1045#else
1046# define STAM_PROFILE_ADV_IS_RUNNING(pProfileAdv) (false)
1047#endif
1048
1049/** @def STAM_REL_PROFILE_ADV_SET_STOPPED
1050 * Marks the profile counter as stopped.
1051 *
1052 * This is for avoiding screwups in twisty code.
1053 *
1054 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
1055 */
1056#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
1057# define STAM_REL_PROFILE_ADV_SET_STOPPED(pProfileAdv) do { (pProfileAdv)->tsStart = 0; } while (0)
1058#else
1059# define STAM_REL_PROFILE_ADV_SET_STOPPED(pProfileAdv) do { } while (0)
1060#endif
1061/** @def STAM_PROFILE_ADV_SET_STOPPED
1062 * Marks the profile counter as stopped.
1063 *
1064 * This is for avoiding screwups in twisty code.
1065 *
1066 * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
1067 */
1068#ifdef VBOX_WITH_STATISTICS
1069# define STAM_PROFILE_ADV_SET_STOPPED(pProfileAdv) STAM_REL_PROFILE_ADV_SET_STOPPED(pProfileAdv)
1070#else
1071# define STAM_PROFILE_ADV_SET_STOPPED(pProfileAdv) do { } while (0)
1072#endif
1073
1074
1075/**
1076 * Ratio of A to B, uint32_t types.
1077 * @remark Use STAM_STATS or STAM_REL_STATS for modifying A & B values.
1078 */
1079typedef struct STAMRATIOU32
1080{
1081 /** Sample A. */
1082 uint32_t volatile u32A;
1083 /** Sample B. */
1084 uint32_t volatile u32B;
1085} STAMRATIOU32;
1086/** Pointer to a uint32_t ratio. */
1087typedef STAMRATIOU32 *PSTAMRATIOU32;
1088/** Pointer to const a uint32_t ratio. */
1089typedef const STAMRATIOU32 *PCSTAMRATIOU32;
1090
1091
1092
1093
1094/** @defgroup grp_stam_r3 The STAM Host Context Ring 3 API
1095 * @ingroup grp_stam
1096 * @{
1097 */
1098
1099VMMR3DECL(int) STAMR3InitUVM(PUVM pUVM);
1100VMMR3DECL(void) STAMR3TermUVM(PUVM pUVM);
1101VMMR3DECL(int) STAMR3RegisterU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1102 const char *pszName, STAMUNIT enmUnit, const char *pszDesc);
1103VMMR3DECL(int) STAMR3Register(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
1104 const char *pszName, STAMUNIT enmUnit, const char *pszDesc);
1105
1106/** @def STAM_REL_REG
1107 * Registers a statistics sample.
1108 *
1109 * @param pVM VM Handle.
1110 * @param pvSample Pointer to the sample.
1111 * @param enmType Sample type. This indicates what pvSample is pointing at.
1112 * @param pszName Sample name. The name is on this form "/<component>/<sample>".
1113 * Further nesting is possible.
1114 * @param enmUnit Sample unit.
1115 * @param pszDesc Sample description.
1116 */
1117#define STAM_REL_REG(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
1118 STAM_REL_STATS({ int rcStam = STAMR3Register(pVM, pvSample, enmType, STAMVISIBILITY_ALWAYS, pszName, enmUnit, pszDesc); \
1119 AssertRC(rcStam); })
1120/** @def STAM_REG
1121 * Registers a statistics sample if statistics are enabled.
1122 *
1123 * @param pVM VM Handle.
1124 * @param pvSample Pointer to the sample.
1125 * @param enmType Sample type. This indicates what pvSample is pointing at.
1126 * @param pszName Sample name. The name is on this form "/<component>/<sample>".
1127 * Further nesting is possible.
1128 * @param enmUnit Sample unit.
1129 * @param pszDesc Sample description.
1130 */
1131#define STAM_REG(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
1132 STAM_STATS({STAM_REL_REG(pVM, pvSample, enmType, pszName, enmUnit, pszDesc);})
1133
1134/** @def STAM_REL_REG_USED
1135 * Registers a statistics sample which only shows when used.
1136 *
1137 * @param pVM VM Handle.
1138 * @param pvSample Pointer to the sample.
1139 * @param enmType Sample type. This indicates what pvSample is pointing at.
1140 * @param pszName Sample name. The name is on this form "/<component>/<sample>".
1141 * Further nesting is possible.
1142 * @param enmUnit Sample unit.
1143 * @param pszDesc Sample description.
1144 */
1145#define STAM_REL_REG_USED(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
1146 STAM_REL_STATS({ int rcStam = STAMR3Register(pVM, pvSample, enmType, STAMVISIBILITY_USED, pszName, enmUnit, pszDesc); \
1147 AssertRC(rcStam);})
1148/** @def STAM_REG_USED
1149 * Registers a statistics sample which only shows when used, if statistics are enabled.
1150 *
1151 * @param pVM VM Handle.
1152 * @param pvSample Pointer to the sample.
1153 * @param enmType Sample type. This indicates what pvSample is pointing at.
1154 * @param pszName Sample name. The name is on this form "/<component>/<sample>".
1155 * Further nesting is possible.
1156 * @param enmUnit Sample unit.
1157 * @param pszDesc Sample description.
1158 */
1159#define STAM_REG_USED(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
1160 STAM_STATS({ STAM_REL_REG_USED(pVM, pvSample, enmType, pszName, enmUnit, pszDesc); })
1161
1162VMMR3DECL(int) STAMR3RegisterFU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1163 const char *pszDesc, const char *pszName, ...);
1164VMMR3DECL(int) STAMR3RegisterF(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1165 const char *pszDesc, const char *pszName, ...);
1166VMMR3DECL(int) STAMR3RegisterVU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1167 const char *pszDesc, const char *pszName, va_list args);
1168VMMR3DECL(int) STAMR3RegisterV(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1169 const char *pszDesc, const char *pszName, va_list args);
1170
1171/**
1172 * Resets the sample.
1173 * @param pVM The VM handle.
1174 * @param pvSample The sample registered using STAMR3RegisterCallback.
1175 */
1176typedef void FNSTAMR3CALLBACKRESET(PVM pVM, void *pvSample);
1177/** Pointer to a STAM sample reset callback. */
1178typedef FNSTAMR3CALLBACKRESET *PFNSTAMR3CALLBACKRESET;
1179
1180/**
1181 * Prints the sample into the buffer.
1182 *
1183 * @param pVM The VM handle.
1184 * @param pvSample The sample registered using STAMR3RegisterCallback.
1185 * @param pszBuf The buffer to print into.
1186 * @param cchBuf The size of the buffer.
1187 */
1188typedef void FNSTAMR3CALLBACKPRINT(PVM pVM, void *pvSample, char *pszBuf, size_t cchBuf);
1189/** Pointer to a STAM sample print callback. */
1190typedef FNSTAMR3CALLBACKPRINT *PFNSTAMR3CALLBACKPRINT;
1191
1192VMMR3DECL(int) STAMR3RegisterCallback(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1193 PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint,
1194 const char *pszDesc, const char *pszName, ...);
1195VMMR3DECL(int) STAMR3RegisterCallbackV(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
1196 PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint,
1197 const char *pszDesc, const char *pszName, va_list args);
1198VMMR3DECL(int) STAMR3DeregisterU(PUVM pUVM, void *pvSample);
1199VMMR3DECL(int) STAMR3Deregister(PVM pVM, void *pvSample);
1200
1201/** @def STAM_REL_DEREG
1202 * Deregisters a statistics sample if statistics are enabled.
1203 *
1204 * @param pVM VM Handle.
1205 * @param pvSample Pointer to the sample.
1206 */
1207#define STAM_REL_DEREG(pVM, pvSample) \
1208 STAM_REL_STATS({ int rcStam = STAMR3Deregister(pVM, pvSample); AssertRC(rcStam); })
1209/** @def STAM_DEREG
1210 * Deregisters a statistics sample if statistics are enabled.
1211 *
1212 * @param pVM VM Handle.
1213 * @param pvSample Pointer to the sample.
1214 */
1215#define STAM_DEREG(pVM, pvSample) \
1216 STAM_STATS({ STAM_REL_DEREG(pVM, pvSample); })
1217
1218VMMR3DECL(int) STAMR3ResetU(PUVM pUVM, const char *pszPat);
1219VMMR3DECL(int) STAMR3Reset(PVM pVM, const char *pszPat);
1220VMMR3DECL(int) STAMR3SnapshotU(PUVM pUVM, const char *pszPat, char **ppszSnapshot, size_t *pcchSnapshot, bool fWithDesc);
1221VMMR3DECL(int) STAMR3Snapshot(PVM pVM, const char *pszPat, char **ppszSnapshot, size_t *pcchSnapshot, bool fWithDesc);
1222VMMR3DECL(int) STAMR3SnapshotFreeU(PUVM pUVM, char *pszSnapshot);
1223VMMR3DECL(int) STAMR3SnapshotFree(PVM pVM, char *pszSnapshot);
1224VMMR3DECL(int) STAMR3DumpU(PUVM pUVM, const char *pszPat);
1225VMMR3DECL(int) STAMR3Dump(PVM pVM, const char *pszPat);
1226VMMR3DECL(int) STAMR3DumpToReleaseLogU(PUVM pUVM, const char *pszPat);
1227VMMR3DECL(int) STAMR3DumpToReleaseLog(PVM pVM, const char *pszPat);
1228VMMR3DECL(int) STAMR3PrintU(PUVM pUVM, const char *pszPat);
1229VMMR3DECL(int) STAMR3Print(PVM pVM, const char *pszPat);
1230
1231/**
1232 * Callback function for STAMR3Enum().
1233 *
1234 * @returns non-zero to halt the enumeration.
1235 *
1236 * @param pszName The name of the sample.
1237 * @param enmType The type.
1238 * @param pvSample Pointer to the data. enmType indicates the format of this data.
1239 * @param enmUnit The unit.
1240 * @param enmVisibility The visibility.
1241 * @param pszDesc The description.
1242 * @param pvUser The pvUser argument given to STAMR3Enum().
1243 */
1244typedef DECLCALLBACK(int) FNSTAMR3ENUM(const char *pszName, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit,
1245 STAMVISIBILITY enmVisiblity, const char *pszDesc, void *pvUser);
1246/** Pointer to a FNSTAMR3ENUM(). */
1247typedef FNSTAMR3ENUM *PFNSTAMR3ENUM;
1248
1249VMMR3DECL(int) STAMR3EnumU(PUVM pUVM, const char *pszPat, PFNSTAMR3ENUM pfnEnum, void *pvUser);
1250VMMR3DECL(int) STAMR3Enum(PVM pVM, const char *pszPat, PFNSTAMR3ENUM pfnEnum, void *pvUser);
1251VMMR3DECL(const char *) STAMR3GetUnit(STAMUNIT enmUnit);
1252
1253/** @} */
1254
1255/** @} */
1256
1257RT_C_DECLS_END
1258
1259#endif
1260
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