Struct perf_monitor::mem::CountingAllocator

pub struct CountingAllocator;

An allocator tracks inuse allocated bytes.

The counter is disable by default. Please enable it by CountingAllocator::enable() then call CountingAllocator::get_allocated() will return the bytes inused.

Implementations

impl CountingAllocator

pub fn get_allocated() -> isize

Get the inuse bytes allocated by rust.

pub fn is_enable() -> bool

Check whether the counter is enable.

pub fn reset()

Reset the counter.

pub fn enable()

Enable the counter.

pub fn disable()

Disable the counter.

Trait Implementations

impl GlobalAlloc for CountingAllocator

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

Allocate memory as described by the given layout.

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

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

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

Shrink or grow a block of memory to the given new_size in bytes. The block is described by the given ptr pointer and 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.