/*************************************************************************/ /*!
@File
@Title          Functions for creating and reading proc filesystem entries.
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@License        Dual MIT/GPLv2

The contents of this file are subject to the MIT license as set out below.

Permission is hereby granted, free of charge, to any person obtaining a copy
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*/ /**************************************************************************/

#ifndef __PROCESS_STATS_H__
#define __PROCESS_STATS_H__

#include <powervr/mem_types.h>

#include "pvrsrv_error.h"
#include "cache_ops.h"

/*
 *  The publishing of Process Stats is controlled by the
 *  PVRSRV_ENABLE_PROCESS_STATS build option. The recording of all Memory
 *  allocations is controlled by the PVRSRV_ENABLE_MEMORY_STATS build option.
 *
 *  Note: There will be a performance degradation with memory allocation
 *        recording enabled!
 */


/*
 *  Memory types which can be tracked...
 */
typedef enum {
    PVRSRV_MEM_ALLOC_TYPE_KMALLOC,				/* memory allocated by kmalloc() */
    PVRSRV_MEM_ALLOC_TYPE_VMALLOC,				/* memory allocated by vmalloc() */
    PVRSRV_MEM_ALLOC_TYPE_ALLOC_PAGES_PT_UMA,	/* pages allocated from UMA to hold page table information */
    PVRSRV_MEM_ALLOC_TYPE_VMAP_PT_UMA,			/* ALLOC_PAGES_PT_UMA mapped to kernel address space */
    PVRSRV_MEM_ALLOC_TYPE_ALLOC_PAGES_PT_LMA,	/* pages allocated from LMA to hold page table information */
    PVRSRV_MEM_ALLOC_TYPE_IOREMAP_PT_LMA,		/* ALLOC_PAGES_PT_LMA mapped to kernel address space */
    PVRSRV_MEM_ALLOC_TYPE_ALLOC_LMA_PAGES,		/* pages allocated from LMA */
    PVRSRV_MEM_ALLOC_TYPE_ALLOC_UMA_PAGES,		/* pages allocated from UMA */
    PVRSRV_MEM_ALLOC_TYPE_MAP_UMA_LMA_PAGES,	/* mapped UMA/LMA pages */
    PVRSRV_MEM_ALLOC_TYPE_UMA_POOL_PAGES,		/* pages in the page pool */

	/* Must be the last enum...*/
    PVRSRV_MEM_ALLOC_TYPE_COUNT
} PVRSRV_MEM_ALLOC_TYPE;


/*
 * Functions for managing the processes recorded...
 */
PVRSRV_ERROR  PVRSRVStatsInitialise(void);

void  PVRSRVStatsDestroy(void);

PVRSRV_ERROR  PVRSRVStatsRegisterProcess(IMG_HANDLE* phProcessStats);

void  PVRSRVStatsDeregisterProcess(IMG_HANDLE hProcessStats);

#define MAX_POWER_STAT_ENTRIES		51

/*
 * Functions for recording the statistics...
 */
void  PVRSRVStatsAddMemAllocRecord(PVRSRV_MEM_ALLOC_TYPE eAllocType,
								   void *pvCpuVAddr,
								   IMG_CPU_PHYADDR sCpuPAddr,
								   size_t uiBytes,
								   void *pvPrivateData,
								   IMG_PID uiPid);

#if defined(PVRSRV_DEBUG_LINUX_MEMORY_STATS) && defined(DEBUG)
void  _PVRSRVStatsAddMemAllocRecord(PVRSRV_MEM_ALLOC_TYPE eAllocType,
									void *pvCpuVAddr,
									IMG_CPU_PHYADDR sCpuPAddr,
									size_t uiBytes,
									void *pvPrivateData,
									IMG_PID uiPid,
									void *pvAllocFromFile, IMG_UINT32 ui32AllocFromLine);
#endif
void  PVRSRVStatsRemoveMemAllocRecord(PVRSRV_MEM_ALLOC_TYPE eAllocType,
									  IMG_UINT64 ui64Key,
									  IMG_PID uiPid);

void PVRSRVStatsIncrMemAllocStat(PVRSRV_MEM_ALLOC_TYPE eAllocType,
								 size_t uiBytes,
								 IMG_PID uiPid);

/*
 * Increases the memory stat for eAllocType. Tracks the allocation size value
 * by inserting a value into a hash table with uiCpuVAddr as key.
 * Pair with PVRSRVStatsDecrMemAllocStatAndUntrack().
 */
void PVRSRVStatsIncrMemAllocStatAndTrack(PVRSRV_MEM_ALLOC_TYPE eAllocType,
										 size_t uiBytes,
										 IMG_UINT64 uiCpuVAddr,
										 IMG_PID uiPid);

void PVRSRVStatsDecrMemAllocStat(PVRSRV_MEM_ALLOC_TYPE eAllocType,
								 size_t uiBytes,
								 IMG_PID uiPid);

void PVRSRVStatsDecrMemKAllocStat(size_t uiBytes,
								  IMG_PID decrPID);

/*
 * Decrease the memory stat for eAllocType. Takes the allocation size value from the
 * hash table with uiCpuVAddr as key. Pair with PVRSRVStatsIncrMemAllocStatAndTrack().
 */
void PVRSRVStatsDecrMemAllocStatAndUntrack(PVRSRV_MEM_ALLOC_TYPE eAllocType,
        							IMG_UINT64 uiCpuVAddr);

void
PVRSRVStatsIncrMemAllocPoolStat(size_t uiBytes);

void
PVRSRVStatsDecrMemAllocPoolStat(size_t uiBytes);

void  PVRSRVStatsUpdateRenderContextStats(IMG_UINT32 ui32TotalNumPartialRenders,
										  IMG_UINT32 ui32TotalNumOutOfMemory,
										  IMG_UINT32 ui32TotalTAStores,
										  IMG_UINT32 ui32Total3DStores,
										  IMG_UINT32 ui32TotalSHStores,
										  IMG_UINT32 ui32TotalCDMStores,
										  IMG_PID owner);

void  PVRSRVStatsUpdateZSBufferStats(IMG_UINT32 ui32NumReqByApp,
									 IMG_UINT32 ui32NumReqByFW,
									 IMG_PID owner);

void  PVRSRVStatsUpdateFreelistStats(IMG_UINT32 ui32NumGrowReqByApp,
									 IMG_UINT32 ui32NumGrowReqByFW,
									 IMG_UINT32 ui32InitFLPages,
									 IMG_UINT32 ui32NumHighPages,
									 IMG_PID	ownerPid);
#if defined(PVRSRV_ENABLE_CACHEOP_STATS)
void  PVRSRVStatsUpdateCacheOpStats(PVRSRV_CACHE_OP uiCacheOp,
									IMG_UINT32 ui32OpSeqNum,
#if defined(PVRSRV_ENABLE_GPU_MEMORY_INFO)  && defined(DEBUG)
									IMG_DEV_VIRTADDR sDevVAddr,
									IMG_DEV_PHYADDR sDevPAddr,
									IMG_UINT32 eFenceOpType,
#endif
									IMG_DEVMEM_SIZE_T uiOffset,
									IMG_DEVMEM_SIZE_T uiSize,
									IMG_UINT64 ui64ExecuteTimeMs,
									IMG_BOOL bRangeBasedFlush,
									IMG_BOOL bUserModeFlush,
									IMG_BOOL bIsFence,
									IMG_PID ownerPid);
#endif

#if defined(PVRSRV_ENABLE_PROCESS_STATS)
/* Update pre/post power transition timing statistics */
void InsertPowerTimeStatistic(IMG_UINT64 ui64SysStartTime, IMG_UINT64 ui64SysEndTime,
                              IMG_UINT64 ui64DevStartTime, IMG_UINT64 ui64DevEndTime,
                              IMG_BOOL bForced, IMG_BOOL bPowerOn, IMG_BOOL bPrePower);

void InsertPowerTimeStatisticExtraPre(IMG_UINT64 ui64StartTimer, IMG_UINT64 ui64Stoptimer);
void InsertPowerTimeStatisticExtraPost(IMG_UINT64 ui64StartTimer, IMG_UINT64 ui64StopTimer);
#else
/* Update pre/post power transition timing statistics */
static inline
void InsertPowerTimeStatistic(IMG_UINT64 ui64SysStartTime, IMG_UINT64 ui64SysEndTime,
                              IMG_UINT64 ui64DevStartTime, IMG_UINT64 ui64DevEndTime,
                              IMG_BOOL bForced, IMG_BOOL bPowerOn, IMG_BOOL bPrePower) {}
static inline
void InsertPowerTimeStatisticExtraPre(IMG_UINT64 ui64StartTimer, IMG_UINT64 ui64Stoptimer) {}

static inline
void InsertPowerTimeStatisticExtraPost(IMG_UINT64 ui64StartTimer, IMG_UINT64 ui64StopTimer) {}
#endif

void SetFirmwareStartTime(IMG_UINT32 ui32TimeStamp);

void SetFirmwareHandshakeIdleTime(IMG_UINT64 ui64Duration);

/* Functions used for calculating the memory usage statistics of a process */
PVRSRV_ERROR PVRSRVFindProcessMemStats(IMG_PID pid, IMG_UINT32 ui32ArrSize,
                                       IMG_BOOL bAllProcessStats, IMG_UINT32 *pui32MemoryStats);

typedef struct {
	IMG_UINT32 ui32Pid;
	IMG_UINT32 ui32KernelMemUsage;
	IMG_UINT32 ui32GraphicsMemUsage;
} PVRSRV_PER_PROCESS_MEM_USAGE;

PVRSRV_ERROR PVRSRVGetProcessMemUsage(IMG_UINT32 *pui32TotalMem,
									  IMG_UINT32 *pui32NumberOfLivePids,
									  PVRSRV_PER_PROCESS_MEM_USAGE **ppsPerProcessMemUsageData);

#endif /* __PROCESS_STATS_H__ */