A simple Elixir code profiler that wraps Erlang's eprof profiler with a convenient macro.
ExProf is a code profiler for the Elixir programming language that uses Erlang's eprof profiler under the hood. It provides a simple macro interface to profile code blocks, helping developers identify performance bottlenecks in their Elixir applications.
Elixir developers who need to analyze and optimize the performance of their code, particularly those working on applications where execution time and resource usage are critical.
Developers choose ExProf for its simplicity and direct integration with Erlang's eprof, offering a lightweight, no-fuss way to profile Elixir code without needing to learn complex profiling tools.
A simple code profiler for Elixir using eprof.
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The `profile` macro wraps code blocks for easy profiling, as shown in the README example with `profile do: :timer.sleep 2000`, reducing boilerplate and setup time.
Leverages Erlang's built-in eprof profiler for accurate performance measurements, ensuring reliability and compatibility with Elixir's Erlang foundation.
Prints profiling results in a formatted table with function calls, percentages, and microseconds per call, making it straightforward to identify slow functions, as demonstrated in the sample output.
Can be integrated as a custom Mix task for profiling within build workflows, allowing automation and seamless use in development pipelines, per the README example.
Relies on eprof, which is known to significantly slow down profiled code due to its instrumentation, potentially skewing results for time-sensitive or high-performance applications.
Focuses only on execution time profiling via eprof, lacking features for memory usage analysis, garbage collection insights, or concurrency profiling, which are common in advanced profiling tools.
The README provides minimal examples and lacks in-depth guidance on advanced usage, error handling, or integration with complex Elixir applications like Phoenix, leaving developers to rely on trial and error.