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mpu缺页模拟压力测试

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This commit is contained in:
ATShining
2024-09-23 08:55:46 +08:00
parent 8d2d26b9c7
commit 3a4a7dca80
10 changed files with 147 additions and 127 deletions
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14
mkrtos_knl/knl/mm/mpu/vma.c
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@@ -150,6 +150,7 @@ int task_vma_alloc(task_vma_t *task_vma, vma_addr_t vaddr, size_t size,
ret = -EINVAL;
goto err_end;
}
mword_t status = spinlock_lock(&task_vma->lock);
if (paddr == 0)
{
@@ -189,6 +190,8 @@ int task_vma_alloc(task_vma_t *task_vma, vma_addr_t vaddr, size_t size,
if (alloc_cn == 0)
{
task_vma->mem_pages_alloc_size[i] = size;
} else {
task_vma->mem_pages_alloc_size[i] = 0;
}
alloc_cn++;
if (alloc_cn * PAGE_SIZE >= size)
@@ -246,6 +249,7 @@ err_end:
mm_limit_free_align(pt_task->lim, (void *)vma_addr, mem_align_size);
}
end:
spinlock_set(&task_vma->lock, status);
return ret;
}
/**
@@ -281,6 +285,8 @@ static int task_vma_free_inner(task_vma_t *task_vma, vaddr_t vaddr, size_t size,
return -EINVAL;
}
#endif
mword_t status = spinlock_lock(&task_vma->lock);
pt_task = container_of(
container_of(task_vma, mm_space_t, mem_vma),
task_t,
@@ -346,6 +352,7 @@ end:
{
mpu_switch_to_task(pt_task);
}
spinlock_set(&task_vma->lock, status);
return 0;
}
/**
@@ -391,11 +398,14 @@ int task_vma_page_fault(task_vma_t *task_vma, vaddr_t addr, void *paddr)
assert((addr & (PAGE_SIZE - 1)) == 0);
task_t *pt_task;
assert(task_vma);
int ret = -ENOENT;
pt_task = container_of(
container_of(task_vma, mm_space_t, mem_vma),
task_t,
mm_space);
mword_t status = spinlock_lock(&task_vma->lock);
#if IS_ENABLED(MPU_PAGE_FAULT_SUPPORT) //!< 缺页模拟
for (int i = 0; i < MPU_PAGE_NUM; i++)
{
@@ -413,6 +423,7 @@ int task_vma_page_fault(task_vma_t *task_vma, vaddr_t addr, void *paddr)
task_vma->mem_pages_pt_regions[sel_region]->start_addr = addr;
task_vma->mem_pages_pt_regions[sel_region]->size = PAGE_SIZE;
task_vma->pt_regions_sel++;
ret = 0;
break;
}
}
@@ -420,7 +431,8 @@ int task_vma_page_fault(task_vma_t *task_vma, vaddr_t addr, void *paddr)
{
mpu_switch_to_task(pt_task);
}
return 0;
spinlock_set(&task_vma->lock, status);
return ret;
#else
return -ENOSYS;
#endif