Struct BpfPerfEvent 

pub struct BpfPerfEvent { /* private fields */ }

BPF performance event structure.

Implementations

impl BpfPerfEvent

pub fn new(args: PerfProbeArgs) -> Self

Create a new BpfPerfEvent.

pub fn do_mmap(&mut self, start: usize, len: usize, offset: usize) -> Result<()>

Bind the perf event to a mmap page.

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

Write a perf event to the mmap page. Only when the perf event is enabled, the event will be written.

pub fn enable(&mut self) -> Result<()>

Enable the perf event

pub fn disable(&mut self) -> Result<()>

Disable the perf event

pub fn enabled(&self) -> bool

Whether the perf event is enabled

pub fn readable(&self) -> bool

Whether the perf event is readable

pub fn writeable(&self) -> bool

Whether the perf event is writable

Trait Implementations

impl Debug for BpfPerfEvent

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

Formats the value using the given formatter.