stam.h revision a04100f955c08c93b063cf3d9c4f963637996f3c
/** @file
* STAM - Statistics Manager.
*/
/*
* Copyright (C) 2006-2010 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_vmm_stam_h
#define ___VBox_vmm_stam_h
#include <VBox/types.h>
#include <iprt/stdarg.h>
#ifdef _MSC_VER
# if _MSC_VER >= 1400
# include <intrin.h>
# endif
#endif
RT_C_DECLS_BEGIN
/** @defgroup grp_stam The Statistics Manager API
* @{
*/
#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;
/** @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_INC
* 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_INC
* 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 pProfileAdv Pointer to the STAMPROFILEADV 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 pProfileAdv Pointer to the STAMPROFILEADV 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 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_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
* @ingroup grp_stam
* @{
*/
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 VM Handle.
* @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 VM Handle.
* @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 VM Handle.
* @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 VM Handle.
* @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, ...);
VMMR3DECL(int) STAMR3RegisterF(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
const char *pszDesc, const char *pszName, ...);
VMMR3DECL(int) STAMR3RegisterVU(PUVM pUVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
const char *pszDesc, const char *pszName, va_list args);
VMMR3DECL(int) STAMR3RegisterV(PVM pVM, void *pvSample, STAMTYPE enmType, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
const char *pszDesc, const char *pszName, va_list args);
/**
* Resets the sample.
* @param pVM The VM handle.
* @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 VM handle.
* @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, ...);
VMMR3DECL(int) STAMR3RegisterCallbackV(PVM pVM, void *pvSample, STAMVISIBILITY enmVisibility, STAMUNIT enmUnit,
PFNSTAMR3CALLBACKRESET pfnReset, PFNSTAMR3CALLBACKPRINT pfnPrint,
const char *pszDesc, const char *pszName, va_list args);
VMMR3DECL(int) STAMR3DeregisterU(PUVM pUVM, void *pvSample);
VMMR3DECL(int) STAMR3Deregister(PVM pVM, void *pvSample);
/** @def STAM_REL_DEREG
* Deregisters a statistics sample if statistics are enabled.
*
* @param pVM VM Handle.
* @param pvSample Pointer to the sample.
*/
#define STAM_REL_DEREG(pVM, pvSample) \
STAM_REL_STATS({ int rcStam = STAMR3Deregister(pVM, pvSample); AssertRC(rcStam); })
/** @def STAM_DEREG
* Deregisters a statistics sample if statistics are enabled.
*
* @param pVM VM Handle.
* @param pvSample Pointer to the sample.
*/
#define STAM_DEREG(pVM, pvSample) \
STAM_STATS({ STAM_REL_DEREG(pVM, 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