Struct Profiler 

pub struct Profiler { /* private fields */ }

Integrated profiler for method-level and instruction-level profiling

Implementations

impl Profiler

pub fn new() -> Self

pub fn with_max_samples(max_samples: usize) -> Self

pub fn set_enabled(&mut self, enabled: bool)

pub fn method_enter( &self, class_name: &str, method_name: &str, ) -> Option<Instant>

Record method entry - call at start of method execution

pub fn method_exit( &self, class_name: &str, method_name: &str, start: Option<Instant>, )

Record method exit - call at end of method execution

pub fn method_counts(&self) -> HashMap<String, u64>

Get method invocation counts

pub fn method_time_ns(&self) -> HashMap<String, u64>

Get method total time (ns)

pub fn hotspots(&self, top_n: usize) -> Vec<(String, u64, u64)>

Get hotspot methods (sorted by time, descending)

pub fn export_flame_graph(&self) -> String

Export in collapsed stack format for flamegraph.pl Format: semicolon-separated stack; whitespace; value

pub fn write_flame_graph(&self, path: &Path) -> Result<()>

Write flame graph data to file

pub fn summary(&self) -> String

Summary report

Trait Implementations

impl Default for Profiler

fn default() -> Self

Returns the “default value” for a type.