stats_alloc

An instrumenting middleware for global allocators in Rust, useful in testing for validating assumptions regarding allocation patterns, and potentially in production loads to monitor for memory leaks.

Example

extern crate stats_alloc;

use stats_alloc::{StatsAlloc, Region};
use std::alloc::System;

#[global_allocator]
static GLOBAL: StatsAlloc<System> = StatsAlloc::system();

fn example_using_region() {
    let reg = Region::new(&GLOBAL);
    let x: Vec<u8> = Vec::with_capacity(1_024);
    println!("Stats at 1: {:#?}", reg.change());
    // Used here to ensure that the value is not
    // dropped before we check the statistics
    let _ = std::mem::size_of_val(&x);
}