Struct PeakMemAlloc 

pub struct PeakMemAlloc<T: GlobalAlloc> { /* private fields */ }

An allocator middleware which keeps track of peak memory consumption.

Implementations

impl PeakMemAlloc<System>

pub const fn system() -> Self

Provides access to an instrumented instance of the system allocator.

impl<T: GlobalAlloc> PeakMemAlloc<T>

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

Provides access to an instrumented instance of the given global allocator.

Trait Implementations

impl<T: Debug + GlobalAlloc> Debug for PeakMemAlloc<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: Default + GlobalAlloc> Default for PeakMemAlloc<T>

fn default() -> PeakMemAlloc<T>

Returns the “default value” for a type.

impl<'a, T: GlobalAlloc + 'a> GlobalAlloc for &'a PeakMemAlloc<T>

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.

impl<T: GlobalAlloc> GlobalAlloc for PeakMemAlloc<T>

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.

impl<T: GlobalAlloc> PeakMemAllocTrait for PeakMemAlloc<T>

fn reset_peak_memory(&self)

Resets the peak memory to 0

fn get_peak_memory(&self) -> usize

Get the peak memory consumption