Struct AllocatorStats 

pub struct AllocatorStats<A> { /* private fields */ }

Available on crate feature unstable only.

Global allocator providing metrics on allocated memory

#[global_allocator]
static ALLOCATOR: AllocatorStats<std::alloc::System> = AllocatorStats::new(std::alloc::System);

Setting this as the global allocator provides two counters: elfo_allocated_bytes_total and elfo_deallocated_bytes_total, tracking total allocated and deallocated memory in bytes.

Stability

This API is marked as unstable and is only available when the unstable crate feature is enabled. This comes with no stability guarantees, and could be changed or removed at any time.

Implementations

impl<A> AllocatorStats<A>

pub const fn new(inner: A) -> Self

Wrap a global allocator, instrumenting it with metrics

Trait Implementations

impl<A> GlobalAlloc for AllocatorStats<A>

where A: GlobalAlloc,

unsafe fn alloc(&self, layout: Layout) -> *mut u8

Allocates memory as described by the given layout.

unsafe fn dealloc(&self, ptr: *mut u8, layout: Layout)

Deallocates the block of memory at the given ptr pointer with the given layout.

unsafe fn alloc_zeroed(&self, layout: Layout) -> *mut u8

Behaves like alloc, but also ensures that the contents are set to zero before being returned.

unsafe fn realloc( &self, ptr: *mut u8, layout: Layout, new_size: usize, ) -> *mut u8

Shrinks or grows a block of memory to the given new_size in bytes. The block is described by the given ptr pointer and layout.