Struct jemalloc_ctl::Epoch

pub struct Epoch(_);

A type providing access to the jemalloc epoch.

Many of the statistics tracked by jemalloc are cached. The epoch controls when they are refreshed.

Example

Advancing the epoch:

extern crate jemallocator;
extern crate jemalloc_ctl;

use jemalloc_ctl::Epoch;

#[global_allocator]
static ALLOC: jemallocator::Jemalloc = jemallocator::Jemalloc;

fn main() {
    let epoch = Epoch::new().unwrap();

    let a = epoch.advance().unwrap();
    let b = epoch.advance().unwrap();
    assert_eq!(a + 1, b);
}

Methods

impl Epoch

pub fn new() -> Result<Epoch>

Returns a new Epoch.

pub fn advance(&self) -> Result<u64>

Advances the epoch, returning it.

The epoch advances by 1 every time it is advanced, so the value can be used to determine if another thread triggered a referesh.

Trait Implementations

impl Copy for Epoch

impl Clone for Epoch

fn clone(&self) -> Epoch

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.