unkai

Allocator proxy with statistics in "stack", "size" and "duration" axis.

Supported Feature

• GlobalAlloc
  • Capture and record backtrace with memory consumption

Todos

• GlobalAlloc
  • Record pointer's lifetime
• Allocator
  • Tree-structured
  • Low-overhead in-use statistics
• General
  • Prometheus integration
  • Build-in report generation

Example

cargo run --example collections --release

#[global_allocator]
static UNKAI: UnkaiGlobalAlloc<Jemalloc> = UnkaiGlobalAlloc::new(Jemalloc {}, 99, 5, 10);

fn main() {
    let mut container = Vec::with_capacity(10000);
    for _ in 0..10000 {
        let item = Vec::<usize>::with_capacity(1000);
        container.push(item);
    }

    for (bt, count) in UNKAI.report_symbol() {
        println!("{} bytes are allocated from:", count);
        println!("{}", bt);
    }
}