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https://github.com/odin-lang/Odin.git
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a4a776634c
- Add the test bench for the allocator - Move old allocator code to the test bench - Fix `heap_resize` usage in `os2/env_linux.odin` to fit new API requiring `old_size`
94 lines
2.8 KiB
Odin
94 lines
2.8 KiB
Odin
package runtime
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import "base:intrinsics"
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ODIN_DEBUG_HEAP :: #config(ODIN_DEBUG_HEAP, false)
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Heap_Code_Coverage_Type :: enum {
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Alloc_Bin,
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Alloc_Collected_Remote_Frees,
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Alloc_Heap_Initialized,
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Alloc_Huge,
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Alloc_Slab_Wide,
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Alloc_Slab_Wide_Needed_New_Superpage,
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Alloc_Slab_Wide_Used_Available_Superpage,
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Alloc_Zeroed_Memory,
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Freed_Bin_Freed_Slab_Which_Was_Fully_Used,
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Freed_Bin_Freed_Superpage,
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Freed_Bin_Reopened_Full_Slab,
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Freed_Bin_Updated_Slab_Next_Free_Sector,
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Freed_Huge_Allocation,
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Freed_Wide_Slab,
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Heap_Expanded_Cache_Data,
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Huge_Alloc_Size_Adjusted,
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Huge_Alloc_Size_Set_To_Superpage,
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Merged_Remote_Frees,
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Orphaned_Superpage_Freed_Slab,
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Orphaned_Superpage_Merged_Remote_Frees,
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Remotely_Freed_Bin,
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Remotely_Freed_Bin_Caused_Remote_Superpage_Caching,
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Remotely_Freed_Wide_Slab,
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Resize_Caused_Memory_Zeroing,
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Resize_Crossed_Size_Categories,
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Resize_Huge,
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Resize_Huge_Caused_Memory_Zeroing,
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Resize_Huge_Size_Adjusted,
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Resize_Huge_Size_Set_To_Superpage,
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Resize_Kept_Old_Pointer,
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Resize_Wide_Slab_Caused_Memory_Zeroing,
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Resize_Wide_Slab_Expanded_In_Place,
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Resize_Wide_Slab_Failed_To_Find_Contiguous_Expansion,
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Resize_Wide_Slab_From_Remote_Thread,
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Resize_Wide_Slab_Kept_Old_Pointer,
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Resize_Wide_Slab_Shrunk_In_Place,
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Slab_Adjusted_For_Partial_Sector,
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Superpage_Add_Remote_Free_Guarded_With_Masterless,
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Superpage_Add_Remote_Free_Guarded_With_Set,
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Superpage_Added_Remote_Free,
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Superpage_Added_To_Open_Cache_By_Freeing_Wide_Slab,
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Superpage_Added_To_Open_Cache_By_Resizing_Wide_Slab,
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Superpage_Added_To_Open_Cache_By_Slab,
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Superpage_Adopted_From_Orphanage,
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Superpage_Created_By_Empty_Orphanage,
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Superpage_Freed_By_Exiting_Thread,
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Superpage_Freed_By_Wide_Slab,
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Superpage_Freed_On_Full_Orphanage,
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Superpage_Linked,
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Superpage_Cache_Block_Cleared,
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Superpage_Orphaned_By_Exiting_Thread,
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Superpage_Pushed_To_Orphanage,
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Superpage_Registered_With_Free_Slabs,
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Superpage_Registered_With_Slab_In_Use,
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Superpage_Removed_From_Open_Cache_By_Slab,
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Superpage_Unlinked_Non_Tail,
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Superpage_Unlinked_Tail,
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Superpage_Unregistered,
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Superpage_Updated_Next_Free_Slab_Index,
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Superpage_Updated_Next_Free_Slab_Index_As_Empty,
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}
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when ODIN_DEBUG_HEAP {
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heap_global_code_coverage: [Heap_Code_Coverage_Type]int // atomic
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}
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@(private, disabled=!ODIN_DEBUG_HEAP)
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heap_debug_cover :: #force_inline proc "contextless" (type: Heap_Code_Coverage_Type) {
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when ODIN_DEBUG_HEAP {
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intrinsics.atomic_add_explicit(&heap_global_code_coverage[type], 1, .Release)
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}
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}
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_check_heap_code_coverage :: proc "contextless" () -> bool {
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when ODIN_DEBUG_HEAP {
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intrinsics.atomic_thread_fence(.Seq_Cst)
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for t in heap_global_code_coverage {
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if t == 0 {
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return false
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}
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}
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return true
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} else {
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panic_contextless("ODIN_DEBUG_HEAP is not enabled, therefore the results of this procedure are meaningless.")
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}
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}
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