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Support crate for rustc's self-profiling feature

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rust-lang/measureme

measureme Rust

Support crate for rustc's self-profiling feature

This crate is maintained by the Rust compiler team and in particular by the self-profile working group. It is currently only meant to be used within rustc itself, so APIs may change at any moment.

Tools

measureme

measureme is the core library which contains a fast, efficient framework for recording events and serializing them to a compact binary format. It is integrated into rustc via the unstable -Z self-profile flag.

Documentation

summarize

summarize produces a human readable summary of measureme profiling data. It contains two main modes:

  • summarize which groups the profiling events and orders the results by time taken.
  • diff which compares two profiles and outputs a summary of the differences.

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stack_collapse

stack_collapse reads measureme profiling data and outputs folded stack traces compatible with the Flame Graph tools.

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flamegraph

flamegraph reads measureme profiling data and outputs Flame Graph.

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crox

crox turns measureme profiling data into files that can be visualized by the Chromium performance tools.

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mmedit

mmedit is for editing .mm_profdata files generated by measureme.

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mmview

mmview is for printing the event data generated by measureme.

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analyzeme

analyzeme is a library with common functionality for measureme tools.

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decodeme

decodeme holds the decoding definitions of the profiling event data from measureme.

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