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/* $Id: STAMInternal.h 28800 2010-04-27 08:22:32Z vboxsync $ */
/** @file
* STAM Internal Header.
*/
/*
* Copyright (C) 2006-2007 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.
*/
#ifndef ___STAMInternal_h
#define ___STAMInternal_h
#include <VBox/cdefs.h>
#include <VBox/types.h>
#include <VBox/stam.h>
#include <VBox/gvmm.h>
#include <iprt/semaphore.h>
RT_C_DECLS_BEGIN
/** @defgroup grp_stam_int Internals
* @ingroup grp_stam
* @internal
* @{
*/
/**
* Sample descriptor.
*/
typedef struct STAMDESC
{
/** Pointer to the next sample. */
struct STAMDESC *pNext;
/** Sample name. */
const char *pszName;
/** Sample type. */
STAMTYPE enmType;
/** Visibility type. */
STAMVISIBILITY enmVisibility;
/** Pointer to the sample data. */
union STAMDESCSAMPLEDATA
{
/** Counter. */
PSTAMCOUNTER pCounter;
/** Profile. */
PSTAMPROFILE pProfile;
/** Advanced profile. */
PSTAMPROFILEADV pProfileAdv;
/** Ratio, unsigned 32-bit. */
PSTAMRATIOU32 pRatioU32;
/** unsigned 8-bit. */
uint8_t *pu8;
/** unsigned 16-bit. */
uint16_t *pu16;
/** unsigned 32-bit. */
uint32_t *pu32;
/** unsigned 64-bit. */
uint64_t *pu64;
/** Simple void pointer. */
void *pv;
/** */
struct STAMDESCSAMPLEDATACALLBACKS
{
/** The same pointer. */
void *pvSample;
/** Pointer to the reset callback. */
PFNSTAMR3CALLBACKRESET pfnReset;
/** Pointer to the print callback. */
PFNSTAMR3CALLBACKPRINT pfnPrint;
} Callback;
} u;
/** Unit. */
STAMUNIT enmUnit;
/** Description. */
const char *pszDesc;
} STAMDESC;
/** Pointer to sample descriptor. */
typedef STAMDESC *PSTAMDESC;
/** Pointer to const sample descriptor. */
typedef const STAMDESC *PCSTAMDESC;
/**
* STAM data kept in the UVM.
*/
typedef struct STAMUSERPERVM
{
/** Pointer to the first sample. */
R3PTRTYPE(PSTAMDESC) pHead;
/** RW Lock for the list. */
RTSEMRW RWSem;
/** The copy of the GVMM statistics. */
GVMMSTATS GVMMStats;
} STAMUSERPERVM;
/** Pointer to the STAM data kept in the UVM. */
typedef STAMUSERPERVM *PSTAMUSERPERVM;
/** Locks the sample descriptors for reading. */
#define STAM_LOCK_RD(pUVM) do { int rcSem = RTSemRWRequestRead(pUVM->stam.s.RWSem, RT_INDEFINITE_WAIT); AssertRC(rcSem); } while (0)
/** Locks the sample descriptors for writing. */
#define STAM_LOCK_WR(pUVM) do { int rcSem = RTSemRWRequestWrite(pUVM->stam.s.RWSem, RT_INDEFINITE_WAIT); AssertRC(rcSem); } while (0)
/** UnLocks the sample descriptors after reading. */
#define STAM_UNLOCK_RD(pUVM) do { int rcSem = RTSemRWReleaseRead(pUVM->stam.s.RWSem); AssertRC(rcSem); } while (0)
/** UnLocks the sample descriptors after writing. */
#define STAM_UNLOCK_WR(pUVM) do { int rcSem = RTSemRWReleaseWrite(pUVM->stam.s.RWSem); AssertRC(rcSem); } while (0)
/** @} */
RT_C_DECLS_END
#endif
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