Crate hotpath 

A lightweight, easy-to-configure Rust profiler that shows exactly where your code spends time and allocates memory. Instrument any function or code block with to quickly spot bottlenecks, and focus your optimizations where they matter most.

Setup & Usage

For a complete setup guide, examples, and advanced configuration, see the GitHub repository.

Macros

measure_block

Structs

FunctionStats

GuardBuilder

Builder for creating a hotpath profiling guard with custom configuration.

HotPath

MetricsDataJson

Structured per-function profiling metrics data.

MetricsJson

JSON representation of profiling metrics.

Enums

Format

Output format for profiling reports.

MetricType

Represents different types of profiling metrics with their values.

ProfilingMode

Profiling mode indicating what type of measurements were collected.

Traits

MetricsProvider

Trait for accessing profiling metrics data from custom reporters.

Reporter

Trait for implementing custom profiling report output.

Attribute Macros

main

Initializes the hotpath profiling system and generates a performance report on program exit.

measure

Instruments a function to send performance measurements to the hotpath profiler.