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+/** @file
+ * STAM - Statistics Manager.
+ */
+
+/*
+ * Copyright (C) 2006-2019 Oracle Corporation
+ *
+ * This file is part of VirtualBox Open Source Edition (OSE), as
+ * available from http://www.virtualbox.org. This file is free software;
+ * you can redistribute it and/or modify it under the terms of the GNU
+ * General Public License (GPL) as published by the Free Software
+ * Foundation, in version 2 as it comes in the "COPYING" file of the
+ * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+ * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+ *
+ * The contents of this file may alternatively be used under the terms
+ * of the Common Development and Distribution License Version 1.0
+ * (CDDL) only, as it comes in the "COPYING.CDDL" file of the
+ * VirtualBox OSE distribution, in which case the provisions of the
+ * CDDL are applicable instead of those of the GPL.
+ *
+ * You may elect to license modified versions of this file under the
+ * terms and conditions of either the GPL or the CDDL or both.
+ */
+
+#ifndef VBOX_INCLUDED_vmm_stam_h
+#define VBOX_INCLUDED_vmm_stam_h
+#ifndef RT_WITHOUT_PRAGMA_ONCE
+# pragma once
+#endif
+
+#include <VBox/types.h>
+#include <iprt/stdarg.h>
+#ifdef _MSC_VER
+# if _MSC_VER >= 1400
+# pragma warning(push)
+# pragma warning(disable:4668) /* Several incorrect __cplusplus uses. */
+# pragma warning(disable:4255) /* Incorrect __slwpcb prototype. */
+# include <intrin.h>
+# pragma warning(pop)
+# endif
+#endif
+
+RT_C_DECLS_BEGIN
+
+/** @defgroup grp_stam The Statistics Manager API
+ * @ingroup grp_vmm
+ * @{
+ */
+
+#if defined(VBOX_WITHOUT_RELEASE_STATISTICS) && defined(VBOX_WITH_STATISTICS)
+# error "Both VBOX_WITHOUT_RELEASE_STATISTICS and VBOX_WITH_STATISTICS are defined! Make up your mind!"
+#endif
+
+
+/** @def STAM_GET_TS
+ * Gets the CPU timestamp counter.
+ *
+ * @param u64 The 64-bit variable which the timestamp shall be saved in.
+ */
+#ifdef __GNUC__
+# if defined(RT_ARCH_X86)
+ /* This produces optimal assembler code for x86 but does not work for AMD64 ('A' means 'either rax or rdx') */
+# define STAM_GET_TS(u64) __asm__ __volatile__ ("rdtsc\n\t" : "=A" (u64))
+# elif defined(RT_ARCH_AMD64)
+# define STAM_GET_TS(u64) \
+ do { uint64_t low; uint64_t high; \
+ __asm__ __volatile__ ("rdtsc\n\t" : "=a"(low), "=d"(high)); \
+ (u64) = ((high << 32) | low); \
+ } while (0)
+# endif
+#else
+# if _MSC_VER >= 1400
+# pragma intrinsic(__rdtsc)
+# define STAM_GET_TS(u64) \
+ do { (u64) = __rdtsc(); } while (0)
+# else
+# define STAM_GET_TS(u64) \
+ do { \
+ uint64_t u64Tmp; \
+ __asm { \
+ __asm rdtsc \
+ __asm mov dword ptr [u64Tmp], eax \
+ __asm mov dword ptr [u64Tmp + 4], edx \
+ } \
+ (u64) = u64Tmp; \
+ } while (0)
+# endif
+#endif
+
+
+/** @def STAM_REL_STATS
+ * Code for inclusion only when VBOX_WITH_STATISTICS is defined.
+ * @param code A code block enclosed in {}.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_STATS(code) do code while(0)
+#else
+# define STAM_REL_STATS(code) do {} while(0)
+#endif
+/** @def STAM_STATS
+ * Code for inclusion only when VBOX_WITH_STATISTICS is defined.
+ * @param code A code block enclosed in {}.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_STATS(code) STAM_REL_STATS(code)
+#else
+# define STAM_STATS(code) do {} while(0)
+#endif
+
+
+/**
+ * Sample type.
+ */
+typedef enum STAMTYPE
+{
+ /** Invalid entry. */
+ STAMTYPE_INVALID = 0,
+ /** Generic counter. */
+ STAMTYPE_COUNTER,
+ /** Profiling of an function. */
+ STAMTYPE_PROFILE,
+ /** Profiling of an operation. */
+ STAMTYPE_PROFILE_ADV,
+ /** Ratio of A to B, uint32_t types. Not reset. */
+ STAMTYPE_RATIO_U32,
+ /** Ratio of A to B, uint32_t types. Reset both to 0. */
+ STAMTYPE_RATIO_U32_RESET,
+ /** Callback. */
+ STAMTYPE_CALLBACK,
+ /** Generic unsigned 8-bit value. Not reset. */
+ STAMTYPE_U8,
+ /** Generic unsigned 8-bit value. Reset to 0. */
+ STAMTYPE_U8_RESET,
+ /** Generic hexadecimal unsigned 8-bit value. Not reset. */
+ STAMTYPE_X8,
+ /** Generic hexadecimal unsigned 8-bit value. Reset to 0. */
+ STAMTYPE_X8_RESET,
+ /** Generic unsigned 16-bit value. Not reset. */
+ STAMTYPE_U16,
+ /** Generic unsigned 16-bit value. Reset to 0. */
+ STAMTYPE_U16_RESET,
+ /** Generic hexadecimal unsigned 16-bit value. Not reset. */
+ STAMTYPE_X16,
+ /** Generic hexadecimal unsigned 16-bit value. Reset to 0. */
+ STAMTYPE_X16_RESET,
+ /** Generic unsigned 32-bit value. Not reset. */
+ STAMTYPE_U32,
+ /** Generic unsigned 32-bit value. Reset to 0. */
+ STAMTYPE_U32_RESET,
+ /** Generic hexadecimal unsigned 32-bit value. Not reset. */
+ STAMTYPE_X32,
+ /** Generic hexadecimal unsigned 32-bit value. Reset to 0. */
+ STAMTYPE_X32_RESET,
+ /** Generic unsigned 64-bit value. Not reset. */
+ STAMTYPE_U64,
+ /** Generic unsigned 64-bit value. Reset to 0. */
+ STAMTYPE_U64_RESET,
+ /** Generic hexadecimal unsigned 64-bit value. Not reset. */
+ STAMTYPE_X64,
+ /** Generic hexadecimal unsigned 64-bit value. Reset to 0. */
+ STAMTYPE_X64_RESET,
+ /** Generic boolean value. Not reset. */
+ STAMTYPE_BOOL,
+ /** Generic boolean value. Reset to false. */
+ STAMTYPE_BOOL_RESET,
+ /** The end (exclusive). */
+ STAMTYPE_END
+} STAMTYPE;
+
+/**
+ * Sample visibility type.
+ */
+typedef enum STAMVISIBILITY
+{
+ /** Invalid entry. */
+ STAMVISIBILITY_INVALID = 0,
+ /** Always visible. */
+ STAMVISIBILITY_ALWAYS,
+ /** Only visible when used (/hit). */
+ STAMVISIBILITY_USED,
+ /** Not visible in the GUI. */
+ STAMVISIBILITY_NOT_GUI,
+ /** The end (exclusive). */
+ STAMVISIBILITY_END
+} STAMVISIBILITY;
+
+/**
+ * Sample unit.
+ */
+typedef enum STAMUNIT
+{
+ /** Invalid entry .*/
+ STAMUNIT_INVALID = 0,
+ /** No unit. */
+ STAMUNIT_NONE,
+ /** Number of calls. */
+ STAMUNIT_CALLS,
+ /** Count of whatever. */
+ STAMUNIT_COUNT,
+ /** Count of bytes. */
+ STAMUNIT_BYTES,
+ /** Count of bytes. */
+ STAMUNIT_PAGES,
+ /** Error count. */
+ STAMUNIT_ERRORS,
+ /** Number of occurences. */
+ STAMUNIT_OCCURENCES,
+ /** Ticks. */
+ STAMUNIT_TICKS,
+ /** Ticks per call. */
+ STAMUNIT_TICKS_PER_CALL,
+ /** Ticks per occurence. */
+ STAMUNIT_TICKS_PER_OCCURENCE,
+ /** Ratio of good vs. bad. */
+ STAMUNIT_GOOD_BAD,
+ /** Megabytes. */
+ STAMUNIT_MEGABYTES,
+ /** Kilobytes. */
+ STAMUNIT_KILOBYTES,
+ /** Nano seconds. */
+ STAMUNIT_NS,
+ /** Nanoseconds per call. */
+ STAMUNIT_NS_PER_CALL,
+ /** Nanoseconds per call. */
+ STAMUNIT_NS_PER_OCCURENCE,
+ /** Percentage. */
+ STAMUNIT_PCT,
+ /** Hertz. */
+ STAMUNIT_HZ,
+ /** The end (exclusive). */
+ STAMUNIT_END
+} STAMUNIT;
+
+/** @name STAM_REFRESH_GRP_XXX - STAM refresh groups
+ * @{ */
+#define STAM_REFRESH_GRP_NONE UINT8_MAX
+#define STAM_REFRESH_GRP_GVMM 0
+#define STAM_REFRESH_GRP_GMM 1
+#define STAM_REFRESH_GRP_NEM 2
+/** @} */
+
+
+/** @def STAM_REL_U8_INC
+ * Increments a uint8_t sample by one.
+ *
+ * @param pCounter Pointer to the uint8_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U8_INC(pCounter) \
+ do { ++*(pCounter); } while (0)
+#else
+# define STAM_REL_U8_INC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U8_INC
+ * Increments a uint8_t sample by one.
+ *
+ * @param pCounter Pointer to the uint8_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U8_INC(pCounter) STAM_REL_U8_INC(pCounter)
+#else
+# define STAM_U8_INC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U8_DEC
+ * Decrements a uint8_t sample by one.
+ *
+ * @param pCounter Pointer to the uint8_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U8_DEC(pCounter) \
+ do { --*(pCounter); } while (0)
+#else
+# define STAM_REL_U8_DEC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U8_DEC
+ * Decrements a uint8_t sample by one.
+ *
+ * @param pCounter Pointer to the uint8_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U8_DEC(pCounter) STAM_REL_U8_DEC(pCounter)
+#else
+# define STAM_U8_DEC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U8_ADD
+ * Increments a uint8_t sample by a value.
+ *
+ * @param pCounter Pointer to the uint8_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U8_ADD(pCounter, Addend) \
+ do { *(pCounter) += (Addend); } while (0)
+#else
+# define STAM_REL_U8_ADD(pCounter, Addend) do { } while (0)
+#endif
+/** @def STAM_U8_ADD
+ * Increments a uint8_t sample by a value.
+ *
+ * @param pCounter Pointer to the uint8_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U8_ADD(pCounter, Addend) STAM_REL_U8_ADD(pCounter, Addend
+#else
+# define STAM_U8_ADD(pCounter, Addend) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U16_INC
+ * Increments a uint16_t sample by one.
+ *
+ * @param pCounter Pointer to the uint16_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U16_INC(pCounter) \
+ do { ++*(pCounter); } while (0)
+#else
+# define STAM_REL_U16_INC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U16_INC
+ * Increments a uint16_t sample by one.
+ *
+ * @param pCounter Pointer to the uint16_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U16_INC(pCounter) STAM_REL_U16_INC(pCounter)
+#else
+# define STAM_U16_INC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U16_DEC
+ * Decrements a uint16_t sample by one.
+ *
+ * @param pCounter Pointer to the uint16_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U16_DEC(pCounter) \
+ do { --*(pCounter); } while (0)
+#else
+# define STAM_REL_U16_DEC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U16_DEC
+ * Decrements a uint16_t sample by one.
+ *
+ * @param pCounter Pointer to the uint16_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U16_DEC(pCounter) STAM_REL_U16_DEC(pCounter)
+#else
+# define STAM_U16_DEC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U16_ADD
+ * Increments a uint16_t sample by a value.
+ *
+ * @param pCounter Pointer to the uint16_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U16_ADD(pCounter, Addend) \
+ do { *(pCounter) += (Addend); } while (0)
+#else
+# define STAM_REL_U16_ADD(pCounter, Addend) do { } while (0)
+#endif
+/** @def STAM_U16_ADD
+ * Increments a uint16_t sample by a value.
+ *
+ * @param pCounter Pointer to the uint16_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U16_ADD(pCounter, Addend) STAM_REL_U16_ADD(pCounter, Addend)
+#else
+# define STAM_U16_ADD(pCounter, Addend) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U32_INC
+ * Increments a uint32_t sample by one.
+ *
+ * @param pCounter Pointer to the uint32_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U32_INC(pCounter) \
+ do { ++*(pCounter); } while (0)
+#else
+# define STAM_REL_U32_INC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U32_INC
+ * Increments a uint32_t sample by one.
+ *
+ * @param pCounter Pointer to the uint32_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U32_INC(pCounter) STAM_REL_U32_INC(pCounter)
+#else
+# define STAM_U32_INC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U32_DEC
+ * Decrements a uint32_t sample by one.
+ *
+ * @param pCounter Pointer to the uint32_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U32_DEC(pCounter) \
+ do { --*(pCounter); } while (0)
+#else
+# define STAM_REL_U32_DEC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U32_DEC
+ * Decrements a uint32_t sample by one.
+ *
+ * @param pCounter Pointer to the uint32_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U32_DEC(pCounter) STAM_REL_U32_DEC(pCounter)
+#else
+# define STAM_U32_DEC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U32_ADD
+ * Increments a uint32_t sample by value.
+ *
+ * @param pCounter Pointer to the uint32_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U32_ADD(pCounter, Addend) \
+ do { *(pCounter) += (Addend); } while (0)
+#else
+# define STAM_REL_U32_ADD(pCounter, Addend) do { } while (0)
+#endif
+/** @def STAM_U32_ADD
+ * Increments a uint32_t sample by value.
+ *
+ * @param pCounter Pointer to the uint32_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U32_ADD(pCounter, Addend) STAM_REL_U32_ADD(pCounter, Addend)
+#else
+# define STAM_U32_ADD(pCounter, Addend) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U64_INC
+ * Increments a uint64_t sample by one.
+ *
+ * @param pCounter Pointer to the uint64_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U64_INC(pCounter) \
+ do { ++*(pCounter); } while (0)
+#else
+# define STAM_REL_U64_INC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U64_INC
+ * Increments a uint64_t sample by one.
+ *
+ * @param pCounter Pointer to the uint64_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U64_INC(pCounter) STAM_REL_U64_INC(pCounter)
+#else
+# define STAM_U64_INC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U64_DEC
+ * Decrements a uint64_t sample by one.
+ *
+ * @param pCounter Pointer to the uint64_t variable to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U64_DEC(pCounter) \
+ do { --*(pCounter); } while (0)
+#else
+# define STAM_REL_U64_DEC(pCounter) do { } while (0)
+#endif
+/** @def STAM_U64_DEC
+ * Decrements a uint64_t sample by one.
+ *
+ * @param pCounter Pointer to the uint64_t variable to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U64_DEC(pCounter) STAM_REL_U64_DEC(pCounter)
+#else
+# define STAM_U64_DEC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_U64_ADD
+ * Increments a uint64_t sample by a value.
+ *
+ * @param pCounter Pointer to the uint64_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_U64_ADD(pCounter, Addend) \
+ do { *(pCounter) += (Addend); } while (0)
+#else
+# define STAM_REL_U64_ADD(pCounter, Addend) do { } while (0)
+#endif
+/** @def STAM_U64_ADD
+ * Increments a uint64_t sample by a value.
+ *
+ * @param pCounter Pointer to the uint64_t variable to operate on.
+ * @param Addend The value to add.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_U64_ADD(pCounter, Addend) STAM_REL_U64_ADD(pCounter, Addend)
+#else
+# define STAM_U64_ADD(pCounter, Addend) do { } while (0)
+#endif
+
+
+/**
+ * Counter sample - STAMTYPE_COUNTER.
+ */
+typedef struct STAMCOUNTER
+{
+ /** The current count. */
+ volatile uint64_t c;
+} STAMCOUNTER;
+/** Pointer to a counter. */
+typedef STAMCOUNTER *PSTAMCOUNTER;
+/** Pointer to a const counter. */
+typedef const STAMCOUNTER *PCSTAMCOUNTER;
+
+
+/** @def STAM_REL_COUNTER_INC
+ * Increments a counter sample by one.
+ *
+ * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_COUNTER_INC(pCounter) \
+ do { (pCounter)->c++; } while (0)
+#else
+# define STAM_REL_COUNTER_INC(pCounter) do { } while (0)
+#endif
+/** @def STAM_COUNTER_INC
+ * Increments a counter sample by one.
+ *
+ * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_COUNTER_INC(pCounter) STAM_REL_COUNTER_INC(pCounter)
+#else
+# define STAM_COUNTER_INC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_COUNTER_DEC
+ * Decrements a counter sample by one.
+ *
+ * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_COUNTER_DEC(pCounter) \
+ do { (pCounter)->c--; } while (0)
+#else
+# define STAM_REL_COUNTER_DEC(pCounter) do { } while (0)
+#endif
+/** @def STAM_COUNTER_DEC
+ * Decrements a counter sample by one.
+ *
+ * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_COUNTER_DEC(pCounter) STAM_REL_COUNTER_DEC(pCounter)
+#else
+# define STAM_COUNTER_DEC(pCounter) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_COUNTER_ADD
+ * Increments a counter sample by a value.
+ *
+ * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
+ * @param Addend The value to add to the counter.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_COUNTER_ADD(pCounter, Addend) \
+ do { (pCounter)->c += (Addend); } while (0)
+#else
+# define STAM_REL_COUNTER_ADD(pCounter, Addend) do { } while (0)
+#endif
+/** @def STAM_COUNTER_ADD
+ * Increments a counter sample by a value.
+ *
+ * @param pCounter Pointer to the STAMCOUNTER structure to operate on.
+ * @param Addend The value to add to the counter.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_COUNTER_ADD(pCounter, Addend) STAM_REL_COUNTER_ADD(pCounter, Addend)
+#else
+# define STAM_COUNTER_ADD(pCounter, Addend) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_COUNTER_RESET
+ * Resets the statistics sample.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_COUNTER_RESET(pCounter) do { (pCounter)->c = 0; } while (0)
+#else
+# define STAM_REL_COUNTER_RESET(pCounter) do { } while (0)
+#endif
+/** @def STAM_COUNTER_RESET
+ * Resets the statistics sample.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_COUNTER_RESET(pCounter) STAM_REL_COUNTER_RESET(pCounter)
+#else
+# define STAM_COUNTER_RESET(pCounter) do { } while (0)
+#endif
+
+
+
+/**
+ * Profiling sample - STAMTYPE_PROFILE.
+ */
+typedef struct STAMPROFILE
+{
+ /** Number of periods. */
+ volatile uint64_t cPeriods;
+ /** Total count of ticks. */
+ volatile uint64_t cTicks;
+ /** Maximum tick count during a sampling. */
+ volatile uint64_t cTicksMax;
+ /** Minimum tick count during a sampling. */
+ volatile uint64_t cTicksMin;
+} STAMPROFILE;
+/** Pointer to a profile sample. */
+typedef STAMPROFILE *PSTAMPROFILE;
+/** Pointer to a const profile sample. */
+typedef const STAMPROFILE *PCSTAMPROFILE;
+
+
+/** @def STAM_REL_PROFILE_ADD_PERIOD
+ * Adds a period.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param cTicksInPeriod The number of tick (or whatever) of the preiod
+ * being added. This is only referenced once.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) \
+ do { \
+ uint64_t const StamPrefix_cTicks = (cTicksInPeriod); \
+ (pProfile)->cTicks += StamPrefix_cTicks; \
+ (pProfile)->cPeriods++; \
+ if ((pProfile)->cTicksMax < StamPrefix_cTicks) \
+ (pProfile)->cTicksMax = StamPrefix_cTicks; \
+ if ((pProfile)->cTicksMin > StamPrefix_cTicks) \
+ (pProfile)->cTicksMin = StamPrefix_cTicks; \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADD_PERIOD
+ * Adds a period.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param cTicksInPeriod The number of tick (or whatever) of the preiod
+ * being added. This is only referenced once.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) STAM_REL_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod)
+#else
+# define STAM_PROFILE_ADD_PERIOD(pProfile, cTicksInPeriod) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_START
+ * Samples the start time of a profiling period.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ *
+ * @remarks Declears a stack variable that will be used by related macros.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_START(pProfile, Prefix) \
+ uint64_t Prefix##_tsStart; \
+ STAM_GET_TS(Prefix##_tsStart)
+#else
+# define STAM_REL_PROFILE_START(pProfile, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_START
+ * Samples the start time of a profiling period.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ *
+ * @remarks Declears a stack variable that will be used by related macros.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_START(pProfile, Prefix) STAM_REL_PROFILE_START(pProfile, Prefix)
+#else
+# define STAM_PROFILE_START(pProfile, Prefix) do { } while (0)
+#endif
+
+/** @def STAM_REL_PROFILE_STOP
+ * Samples the stop time of a profiling period and updates the sample.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_STOP(pProfile, Prefix) \
+ do { \
+ uint64_t Prefix##_cTicks; \
+ STAM_GET_TS(Prefix##_cTicks); \
+ Prefix##_cTicks -= Prefix##_tsStart; \
+ (pProfile)->cTicks += Prefix##_cTicks; \
+ (pProfile)->cPeriods++; \
+ if ((pProfile)->cTicksMax < Prefix##_cTicks) \
+ (pProfile)->cTicksMax = Prefix##_cTicks; \
+ if ((pProfile)->cTicksMin > Prefix##_cTicks) \
+ (pProfile)->cTicksMin = Prefix##_cTicks; \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_STOP(pProfile, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_STOP
+ * Samples the stop time of a profiling period and updates the sample.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_STOP(pProfile, Prefix) STAM_REL_PROFILE_STOP(pProfile, Prefix)
+#else
+# define STAM_PROFILE_STOP(pProfile, Prefix) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_STOP_EX
+ * Samples the stop time of a profiling period and updates both the sample
+ * and an attribution sample.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param pProfile2 Pointer to the STAMPROFILE structure which this
+ * interval should be attributed to as well. This may be NULL.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) \
+ do { \
+ uint64_t Prefix##_cTicks; \
+ STAM_GET_TS(Prefix##_cTicks); \
+ Prefix##_cTicks -= Prefix##_tsStart; \
+ (pProfile)->cTicks += Prefix##_cTicks; \
+ (pProfile)->cPeriods++; \
+ if ((pProfile)->cTicksMax < Prefix##_cTicks) \
+ (pProfile)->cTicksMax = Prefix##_cTicks; \
+ if ((pProfile)->cTicksMin > Prefix##_cTicks) \
+ (pProfile)->cTicksMin = Prefix##_cTicks; \
+ \
+ if ((pProfile2)) \
+ { \
+ (pProfile2)->cTicks += Prefix##_cTicks; \
+ (pProfile2)->cPeriods++; \
+ if ((pProfile2)->cTicksMax < Prefix##_cTicks) \
+ (pProfile2)->cTicksMax = Prefix##_cTicks; \
+ if ((pProfile2)->cTicksMin > Prefix##_cTicks) \
+ (pProfile2)->cTicksMin = Prefix##_cTicks; \
+ } \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_STOP_EX
+ * Samples the stop time of a profiling period and updates both the sample
+ * and an attribution sample.
+ *
+ * @param pProfile Pointer to the STAMPROFILE structure to operate on.
+ * @param pProfile2 Pointer to the STAMPROFILE structure which this
+ * interval should be attributed to as well. This may be NULL.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) STAM_REL_PROFILE_STOP_EX(pProfile, pProfile2, Prefix)
+#else
+# define STAM_PROFILE_STOP_EX(pProfile, pProfile2, Prefix) do { } while (0)
+#endif
+
+
+/**
+ * Advanced profiling sample - STAMTYPE_PROFILE_ADV.
+ *
+ * Identical to a STAMPROFILE sample, but the start timestamp
+ * is stored after the STAMPROFILE structure so the sampling
+ * can start and stop in different functions.
+ */
+typedef struct STAMPROFILEADV
+{
+ /** The STAMPROFILE core. */
+ STAMPROFILE Core;
+ /** The start timestamp. */
+ volatile uint64_t tsStart;
+} STAMPROFILEADV;
+/** Pointer to a advanced profile sample. */
+typedef STAMPROFILEADV *PSTAMPROFILEADV;
+/** Pointer to a const advanced profile sample. */
+typedef const STAMPROFILEADV *PCSTAMPROFILEADV;
+
+
+/** @def STAM_REL_PROFILE_ADV_START
+ * Samples the start time of a profiling period.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_START(pProfileAdv, Prefix) \
+ STAM_GET_TS((pProfileAdv)->tsStart)
+#else
+# define STAM_REL_PROFILE_ADV_START(pProfileAdv, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_START
+ * Samples the start time of a profiling period.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_START(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_START(pProfileAdv, Prefix)
+#else
+# define STAM_PROFILE_ADV_START(pProfileAdv, Prefix) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_ADV_STOP
+ * Samples the stop time of a profiling period (if running) and updates the
+ * sample.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_STOP(pProfileAdv, Prefix) \
+ do { \
+ if ((pProfileAdv)->tsStart) \
+ { \
+ uint64_t Prefix##_cTicks; \
+ STAM_GET_TS(Prefix##_cTicks); \
+ Prefix##_cTicks -= (pProfileAdv)->tsStart; \
+ (pProfileAdv)->tsStart = 0; \
+ (pProfileAdv)->Core.cTicks += Prefix##_cTicks; \
+ (pProfileAdv)->Core.cPeriods++; \
+ if ((pProfileAdv)->Core.cTicksMax < Prefix##_cTicks) \
+ (pProfileAdv)->Core.cTicksMax = Prefix##_cTicks; \
+ if ((pProfileAdv)->Core.cTicksMin > Prefix##_cTicks) \
+ (pProfileAdv)->Core.cTicksMin = Prefix##_cTicks; \
+ } \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_ADV_STOP(pProfileAdv, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_STOP
+ * Samples the stop time of a profiling period (if running) and updates the
+ * sample.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_STOP(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_STOP(pProfileAdv, Prefix)
+#else
+# define STAM_PROFILE_ADV_STOP(pProfileAdv, Prefix) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_ADV_STOP_START
+ * Stops one profile counter (if running) and starts another one.
+ *
+ * @param pProfileAdv1 Pointer to the STAMPROFILEADV structure to stop.
+ * @param pProfileAdv2 Pointer to the STAMPROFILEADV structure to start.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
+ do { \
+ uint64_t Prefix##_cTicks; \
+ STAM_GET_TS(Prefix##_cTicks); \
+ (pProfileAdv2)->tsStart = Prefix##_cTicks; \
+ if ((pProfileAdv1)->tsStart) \
+ { \
+ Prefix##_cTicks -= (pProfileAdv1)->tsStart; \
+ (pProfileAdv1)->tsStart = 0; \
+ (pProfileAdv1)->Core.cTicks += Prefix##_cTicks; \
+ (pProfileAdv1)->Core.cPeriods++; \
+ if ((pProfileAdv1)->Core.cTicksMax < Prefix##_cTicks) \
+ (pProfileAdv1)->Core.cTicksMax = Prefix##_cTicks; \
+ if ((pProfileAdv1)->Core.cTicksMin > Prefix##_cTicks) \
+ (pProfileAdv1)->Core.cTicksMin = Prefix##_cTicks; \
+ } \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
+ do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_STOP_START
+ * Samples the stop time of a profiling period (if running) and updates the
+ * sample.
+ *
+ * @param pProfileAdv1 Pointer to the STAMPROFILEADV structure to stop.
+ * @param pProfileAdv2 Pointer to the STAMPROFILEADV structure to start.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
+ STAM_REL_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix)
+#else
+# define STAM_PROFILE_ADV_STOP_START(pProfileAdv1, pProfileAdv2, Prefix) \
+ do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_ADV_SUSPEND
+ * Suspends the sampling for a while. This can be useful to exclude parts
+ * covered by other samples without screwing up the count, and average+min times.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables. The prefix
+ * must match that of the resume one since it stores the
+ * suspend time in a stack variable.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) \
+ uint64_t Prefix##_tsSuspend; \
+ STAM_GET_TS(Prefix##_tsSuspend)
+#else
+# define STAM_REL_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_SUSPEND
+ * Suspends the sampling for a while. This can be useful to exclude parts
+ * covered by other samples without screwing up the count, and average+min times.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables. The prefix
+ * must match that of the resume one since it stores the
+ * suspend time in a stack variable.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix)
+#else
+# define STAM_PROFILE_ADV_SUSPEND(pProfileAdv, Prefix) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_ADV_RESUME
+ * Counter to STAM_REL_PROFILE_ADV_SUSPEND.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables. This must
+ * match the one used with the SUSPEND!
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_RESUME(pProfileAdv, Prefix) \
+ do { \
+ uint64_t Prefix##_tsNow; \
+ STAM_GET_TS(Prefix##_tsNow); \
+ (pProfileAdv)->tsStart += Prefix##_tsNow - Prefix##_tsSuspend; \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_ADV_RESUME(pProfileAdv, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_RESUME
+ * Counter to STAM_PROFILE_ADV_SUSPEND.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param Prefix Identifier prefix used to internal variables. This must
+ * match the one used with the SUSPEND!
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_RESUME(pProfileAdv, Prefix) STAM_REL_PROFILE_ADV_RESUME(pProfileAdv, Prefix)
+#else
+# define STAM_PROFILE_ADV_RESUME(pProfileAdv, Prefix) do { } while (0)
+#endif
+
+
+/** @def STAM_REL_PROFILE_ADV_STOP_EX
+ * Samples the stop time of a profiling period (if running) and updates both
+ * the sample and an attribution sample.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param pProfile2 Pointer to the STAMPROFILE structure which this
+ * interval should be attributed to as well. This may be NULL.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) \
+ do { \
+ if ((pProfileAdv)->tsStart) \
+ { \
+ uint64_t Prefix##_cTicks; \
+ STAM_GET_TS(Prefix##_cTicks); \
+ Prefix##_cTicks -= (pProfileAdv)->tsStart; \
+ (pProfileAdv)->tsStart = 0; \
+ (pProfileAdv)->Core.cTicks += Prefix##_cTicks; \
+ (pProfileAdv)->Core.cPeriods++; \
+ if ((pProfileAdv)->Core.cTicksMax < Prefix##_cTicks) \
+ (pProfileAdv)->Core.cTicksMax = Prefix##_cTicks; \
+ if ((pProfileAdv)->Core.cTicksMin > Prefix##_cTicks) \
+ (pProfileAdv)->Core.cTicksMin = Prefix##_cTicks; \
+ if ((pProfile2)) \
+ { \
+ (pProfile2)->cTicks += Prefix##_cTicks; \
+ (pProfile2)->cPeriods++; \
+ if ((pProfile2)->cTicksMax < Prefix##_cTicks) \
+ (pProfile2)->cTicksMax = Prefix##_cTicks; \
+ if ((pProfile2)->cTicksMin > Prefix##_cTicks) \
+ (pProfile2)->cTicksMin = Prefix##_cTicks; \
+ } \
+ } \
+ } while (0)
+#else
+# define STAM_REL_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_STOP_EX
+ * Samples the stop time of a profiling period (if running) and updates both
+ * the sample and an attribution sample.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ * @param pProfile2 Pointer to the STAMPROFILE structure which this
+ * interval should be attributed to as well. This may be NULL.
+ * @param Prefix Identifier prefix used to internal variables.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) STAM_REL_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix)
+#else
+# define STAM_PROFILE_ADV_STOP_EX(pProfileAdv, pProfile2, Prefix) do { } while (0)
+#endif
+
+/** @def STAM_REL_PROFILE_ADV_IS_RUNNING
+ * Checks if it is running.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_IS_RUNNING(pProfileAdv) (pProfileAdv)->tsStart
+#else
+# define STAM_REL_PROFILE_ADV_IS_RUNNING(pProfileAdv) (false)
+#endif
+/** @def STAM_PROFILE_ADV_IS_RUNNING
+ * Checks if it is running.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_IS_RUNNING(pProfileAdv) STAM_REL_PROFILE_ADV_IS_RUNNING(pProfileAdv)
+#else
+# define STAM_PROFILE_ADV_IS_RUNNING(pProfileAdv) (false)
+#endif
+
+/** @def STAM_REL_PROFILE_ADV_SET_STOPPED
+ * Marks the profile counter as stopped.
+ *
+ * This is for avoiding screwups in twisty code.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ */
+#ifndef VBOX_WITHOUT_RELEASE_STATISTICS
+# define STAM_REL_PROFILE_ADV_SET_STOPPED(pProfileAdv) do { (pProfileAdv)->tsStart = 0; } while (0)
+#else
+# define STAM_REL_PROFILE_ADV_SET_STOPPED(pProfileAdv) do { } while (0)
+#endif
+/** @def STAM_PROFILE_ADV_SET_STOPPED
+ * Marks the profile counter as stopped.
+ *
+ * This is for avoiding screwups in twisty code.
+ *
+ * @param pProfileAdv Pointer to the STAMPROFILEADV structure to operate on.
+ */
+#ifdef VBOX_WITH_STATISTICS
+# define STAM_PROFILE_ADV_SET_STOPPED(pProfileAdv) STAM_REL_PROFILE_ADV_SET_STOPPED(pProfileAdv)
+#else
+# define STAM_PROFILE_ADV_SET_STOPPED(pProfileAdv) do { } while (0)
+#endif
+
+
+/**
+ * Ratio of A to B, uint32_t types.
+ * @remark Use STAM_STATS or STAM_REL_STATS for modifying A & B values.
+ */
+typedef struct STAMRATIOU32
+{
+ /** Sample A. */
+ uint32_t volatile u32A;
+ /** Sample B. */
+ uint32_t volatile u32B;
+} STAMRATIOU32;
+/** Pointer to a uint32_t ratio. */
+typedef STAMRATIOU32 *PSTAMRATIOU32;
+/** Pointer to const a uint32_t ratio. */
+typedef const STAMRATIOU32 *PCSTAMRATIOU32;
+
+
+
+
+/** @defgroup grp_stam_r3 The STAM Host Context Ring 3 API
+ * @{
+ */
+
+VMMR3DECL(int) STAMR3InitUVM(PUVM pUVM);
+VMMR3DECL(void) STAMR3TermUVM(PUVM pUVM);
+VMMR3DECL(int) STAMR3RegisterU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
+ const char *pszName, STAMUNIT enmUnit, const char *pszDesc);
+VMMR3DECL(int) STAMR3Register(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
+ const char *pszName, STAMUNIT enmUnit, const char *pszDesc);
+
+/** @def STAM_REL_REG
+ * Registers a statistics sample.
+ *
+ * @param pVM The cross context VM structure.
+ * @param pvSample Pointer to the sample.
+ * @param enmType Sample type. This indicates what pvSample is pointing at.
+ * @param pszName Sample name. The name is on this form "/<component>/<sample>".
+ * Further nesting is possible.
+ * @param enmUnit Sample unit.
+ * @param pszDesc Sample description.
+ */
+#define STAM_REL_REG(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
+ STAM_REL_STATS({ int rcStam = STAMR3Register(pVM, pvSample, enmType, STAMVISIBILITY_ALWAYS, pszName, enmUnit, pszDesc); \
+ AssertRC(rcStam); })
+/** @def STAM_REG
+ * Registers a statistics sample if statistics are enabled.
+ *
+ * @param pVM The cross context VM structure.
+ * @param pvSample Pointer to the sample.
+ * @param enmType Sample type. This indicates what pvSample is pointing at.
+ * @param pszName Sample name. The name is on this form "/<component>/<sample>".
+ * Further nesting is possible.
+ * @param enmUnit Sample unit.
+ * @param pszDesc Sample description.
+ */
+#define STAM_REG(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
+ STAM_STATS({STAM_REL_REG(pVM, pvSample, enmType, pszName, enmUnit, pszDesc);})
+
+/** @def STAM_REL_REG_USED
+ * Registers a statistics sample which only shows when used.
+ *
+ * @param pVM The cross context VM structure.
+ * @param pvSample Pointer to the sample.
+ * @param enmType Sample type. This indicates what pvSample is pointing at.
+ * @param pszName Sample name. The name is on this form "/<component>/<sample>".
+ * Further nesting is possible.
+ * @param enmUnit Sample unit.
+ * @param pszDesc Sample description.
+ */
+#define STAM_REL_REG_USED(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
+ STAM_REL_STATS({ int rcStam = STAMR3Register(pVM, pvSample, enmType, STAMVISIBILITY_USED, pszName, enmUnit, pszDesc); \
+ AssertRC(rcStam);})
+/** @def STAM_REG_USED
+ * Registers a statistics sample which only shows when used, if statistics are enabled.
+ *
+ * @param pVM The cross context VM structure.
+ * @param pvSample Pointer to the sample.
+ * @param enmType Sample type. This indicates what pvSample is pointing at.
+ * @param pszName Sample name. The name is on this form "/<component>/<sample>".
+ * Further nesting is possible.
+ * @param enmUnit Sample unit.
+ * @param pszDesc Sample description.
+ */
+#define STAM_REG_USED(pVM, pvSample, enmType, pszName, enmUnit, pszDesc) \
+ STAM_STATS({ STAM_REL_REG_USED(pVM, pvSample, enmType, pszName, enmUnit, pszDesc); })
+
+VMMR3DECL(int) STAMR3RegisterFU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
+ const char *pszDesc, const char *pszName, ...) RT_IPRT_FORMAT_ATTR(7, 8);
+VMMR3DECL(int) STAMR3RegisterF(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
+ const char *pszDesc, const char *pszName, ...) RT_IPRT_FORMAT_ATTR(7, 8);
+VMMR3DECL(int) STAMR3RegisterVU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
+ const char *pszDesc, const char *pszName, va_list args) RT_IPRT_FORMAT_ATTR(7, 0);
+VMMR3DECL(int) STAMR3RegisterV(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
+ const char *pszDesc, const char *pszName, va_list args) RT_IPRT_FORMAT_ATTR(7, 0);
+
+/**
+ * Resets the sample.
+ * @param pVM The cross context VM structure.
+ * @param pvSample The sample registered using STAMR3RegisterCallback.
+ */
+typedef void FNSTAMR3CALLBACKRESET(PVM pVM, void *pvSample);
+/** Pointer to a STAM sample reset callback. */
+typedef FNSTAMR3CALLBACKRESET *PFNSTAMR3CALLBACKRESET;
+
+/**
+ * Prints the sample into the buffer.
+ *
+ * @param pVM The cross context VM structure.
+ * @param pvSample The sample registered using STAMR3RegisterCallback.
+ * @param pszBuf The buffer to print into.
+ * @param cchBuf The size of the buffer.
+ */
+typedef void FNSTAMR3CALLBACKPRINT(PVM pVM, void *pvSample, char *pszBuf, size_t cchBuf);
+/** Pointer to a STAM sample print callback. */
+typedef FNSTAMR3CALLBACKPRINT *PFNSTAMR3CALLBACKPRINT;
+
+VMMR3DECL(int) STAMR3RegisterCallback(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
+ PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint,
+ const char *pszDesc, const char *pszName, ...) RT_IPRT_FORMAT_ATTR(8, 9);
+VMMR3DECL(int) STAMR3RegisterCallbackV(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
+ PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint,
+ const char *pszDesc, const char *pszName, va_list args) RT_IPRT_FORMAT_ATTR(8, 0);
+
+VMMR3DECL(int) STAMR3RegisterRefresh(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
+ STAMUNIT enmUnit, uint8_t iRefreshGrp, const char *pszDesc,
+ const char *pszName, ...) RT_IPRT_FORMAT_ATTR(8, 9);
+VMMR3DECL(int) STAMR3RegisterRefreshV(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility,
+ STAMUNIT enmUnit, uint8_t iRefreshGrp, const char *pszDesc,
+ const char *pszName, va_list va) RT_IPRT_FORMAT_ATTR(8, 0);
+
+VMMR3DECL(int) STAMR3Deregister(PUVM pUVM, const char *pszPat);
+VMMR3DECL(int) STAMR3DeregisterF(PUVM pUVM, const char *pszPatFmt, ...) RT_IPRT_FORMAT_ATTR(2, 3);
+VMMR3DECL(int) STAMR3DeregisterV(PUVM pUVM, const char *pszPatFmt, va_list va) RT_IPRT_FORMAT_ATTR(2, 0);
+VMMR3DECL(int) STAMR3DeregisterByAddr(PUVM pUVM, void *pvSample);
+
+VMMR3DECL(int) STAMR3Reset(PUVM pUVM, const char *pszPat);
+VMMR3DECL(int) STAMR3Snapshot(PUVM pUVM, const char *pszPat, char **ppszSnapshot, size_t *pcchSnapshot, bool fWithDesc);
+VMMR3DECL(int) STAMR3SnapshotFree(PUVM pUVM, char *pszSnapshot);
+VMMR3DECL(int) STAMR3Dump(PUVM pUVM, const char *pszPat);
+VMMR3DECL(int) STAMR3DumpToReleaseLog(PUVM pUVM, const char *pszPat);
+VMMR3DECL(int) STAMR3Print(PUVM pUVM, const char *pszPat);
+
+/**
+ * Callback function for STAMR3Enum().
+ *
+ * @returns non-zero to halt the enumeration.
+ *
+ * @param pszName The name of the sample.
+ * @param enmType The type.
+ * @param pvSample Pointer to the data. enmType indicates the format of this data.
+ * @param enmUnit The unit.
+ * @param enmVisibility The visibility.
+ * @param pszDesc The description.
+ * @param pvUser The pvUser argument given to STAMR3Enum().
+ */
+typedef DECLCALLBACK(int) FNSTAMR3ENUM(const char *pszName, STAMTYPE enmType, void *pvSample, STAMUNIT enmUnit,
+ STAMVISIBILITY enmVisiblity, const char *pszDesc, void *pvUser);
+/** Pointer to a FNSTAMR3ENUM(). */
+typedef FNSTAMR3ENUM *PFNSTAMR3ENUM;
+
+VMMR3DECL(int) STAMR3Enum(PUVM pUVM, const char *pszPat, PFNSTAMR3ENUM pfnEnum, void *pvUser);
+VMMR3DECL(const char *) STAMR3GetUnit(STAMUNIT enmUnit);
+
+/** @} */
+
+/** @} */
+
+RT_C_DECLS_END
+
+#endif /* !VBOX_INCLUDED_vmm_stam_h */
+