Struct RingPage 

pub struct RingPage { /* private fields */ }

Ring buffer page for perf events.

Implementations

impl RingPage

pub fn empty() -> Self

Create an empty RingPage.

pub fn start(&self) -> usize

Get the start address of the RingPage.

pub fn new_init(start: usize, len: usize) -> Self

Initialize a RingPage from start address and length.

pub fn write_event(&mut self, data: &[u8]) -> Result<()>

Write a perf event to the ring buffer.

pub fn readable(&self) -> bool

Whether the ring buffer is readable.

pub fn as_slice(&self) -> &[u8]

Get the ring buffer as a slice.

pub fn as_mut_slice(&mut self) -> &mut [u8]

Get the ring buffer as a mutable slice.

Trait Implementations

impl Debug for RingPage

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

Formats the value using the given formatter.