/**
* Initializes the page pool
*
* @return VBox status code.
* @param pVM The cross context VM structure.
* @thread The Emulation Thread.
*/
int mmR3PagePoolInit(PVM pVM)
{
AssertMsg(!pVM->mm.s.pPagePoolR3, ("Already initialized!\n"));
/*
* Allocate the pool structures.
*/
/** @todo @bugref{1865},@bugref{3202}: mapping the page pool page into ring-0.
* Need to change the ways we allocate it... */
AssertReleaseReturn(sizeof(*pVM->mm.s.pPagePoolR3) + sizeof(*pVM->mm.s.pPagePoolLowR3) < PAGE_SIZE, VERR_INTERNAL_ERROR);
int rc = SUPR3PageAllocEx(1, 0 /*fFlags*/, (void **)&pVM->mm.s.pPagePoolR3, NULL /*pR0Ptr*/, NULL /*paPages*/);
if (RT_FAILURE(rc))
return rc;
memset(pVM->mm.s.pPagePoolR3, 0, PAGE_SIZE);
pVM->mm.s.pPagePoolR3->pVM = pVM;
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cPages, STAMTYPE_U32, "/MM/Page/Def/cPages", STAMUNIT_PAGES, "Number of pages in the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cFreePages, STAMTYPE_U32, "/MM/Page/Def/cFreePages", STAMUNIT_PAGES, "Number of free pages in the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cSubPools, STAMTYPE_U32, "/MM/Page/Def/cSubPools", STAMUNIT_COUNT, "Number of sub pools in the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cAllocCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cAllocCalls", STAMUNIT_CALLS, "Number of MMR3PageAlloc() calls for the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cFreeCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cFreeCalls", STAMUNIT_CALLS, "Number of MMR3PageFree()+MMR3PageFreeByPhys() calls for the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cToPhysCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cToPhysCalls", STAMUNIT_CALLS, "Number of MMR3Page2Phys() calls for this pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cToVirtCalls, STAMTYPE_COUNTER, "/MM/Page/Def/cToVirtCalls", STAMUNIT_CALLS, "Number of MMR3PagePhys2Page()+MMR3PageFreeByPhys() calls for the default pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolR3->cErrors, STAMTYPE_COUNTER, "/MM/Page/Def/cErrors", STAMUNIT_ERRORS,"Number of errors for the default pool.");
pVM->mm.s.pPagePoolLowR3 = pVM->mm.s.pPagePoolR3 + 1;
pVM->mm.s.pPagePoolLowR3->pVM = pVM;
pVM->mm.s.pPagePoolLowR3->fLow = true;
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cPages, STAMTYPE_U32, "/MM/Page/Low/cPages", STAMUNIT_PAGES, "Number of pages in the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cFreePages, STAMTYPE_U32, "/MM/Page/Low/cFreePages", STAMUNIT_PAGES, "Number of free pages in the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cSubPools, STAMTYPE_U32, "/MM/Page/Low/cSubPools", STAMUNIT_COUNT, "Number of sub pools in the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cAllocCalls, STAMTYPE_COUNTER, "/MM/Page/Low/cAllocCalls", STAMUNIT_CALLS, "Number of MMR3PageAllocLow() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cFreeCalls, STAMTYPE_COUNTER, "/MM/Page/Low/cFreeCalls", STAMUNIT_CALLS, "Number of MMR3PageFreeLow()+MMR3PageFreeByPhys() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cToPhysCalls,STAMTYPE_COUNTER, "/MM/Page/Low/cToPhysCalls", STAMUNIT_CALLS, "Number of MMR3Page2Phys() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cToVirtCalls,STAMTYPE_COUNTER, "/MM/Page/Low/cToVirtCalls", STAMUNIT_CALLS, "Number of MMR3PagePhys2Page()+MMR3PageFreeByPhys() calls for the <4GB pool.");
STAM_REG(pVM, &pVM->mm.s.pPagePoolLowR3->cErrors, STAMTYPE_COUNTER, "/MM/Page/Low/cErrors", STAMUNIT_ERRORS,"Number of errors for the <4GB pool.");
#ifndef VBOX_WITH_2X_4GB_ADDR_SPACE
pVM->mm.s.pPagePoolR0 = (uintptr_t)pVM->mm.s.pPagePoolR3;
pVM->mm.s.pPagePoolLowR0 = (uintptr_t)pVM->mm.s.pPagePoolLowR3;
#endif
/** @todo init a mutex? */
return VINF_SUCCESS;
}
/**
* Register statistics related to the critical sections.
*
* @returns VBox status code.
* @param pVM Pointer to the VM.
*/
int pdmR3CritSectInitStats(PVM pVM)
{
STAM_REG(pVM, &pVM->pdm.s.StatQueuedCritSectLeaves, STAMTYPE_COUNTER, "/PDM/QueuedCritSectLeaves", STAMUNIT_OCCURENCES,
"Number of times a critical section leave request needed to be queued for ring-3 execution.");
return VINF_SUCCESS;
}
