Struct Profiler 

pub struct Profiler { /* private fields */ }

Line- and sub-level timings (nanoseconds).

Implementations

impl Profiler

pub fn new(file: impl Into<String>) -> Self

pub fn on_line(&mut self, file: &str, line: usize, dt: Duration)

pub fn enter_sub(&mut self, name: &str)

pub fn exit_sub(&mut self, dt: Duration)

pub fn print_report(&mut self)

stderr: folded stacks (flamegraph.pl) + line totals + sub totals.

pub fn render_flame_svg<W: Write>(&mut self, writer: W) -> Result<()>

Render an SVG flamegraph to writer using the collected folded stacks.

pub fn render_flame_tty(&mut self)

Render a colored terminal flamegraph to stderr.

Shows: (1) per-sub inclusive bars sorted hottest-first, (2) per-stack-frame bars with call depth indentation, (3) hottest source lines.