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CHANGELOG.md

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Change Log

All notable changes to this project will be documented in this file.

The format is based on Keep a Changelog and this project adheres to Semantic Versioning.

0.3.0 - 2018-05-25

Added

  • A --debug flag which enables error backtraces.

  • PuppetDB operations are now parsed explicitly instead of being part of the "other" span group.

  • HTTP requests are parsed explicitly and tagged with method, url and peer.certname (if available).

  • Support for Ruby 2.0.

Fixed

  • The script now exits with code 1 if an error is raised.

  • The script now allows for a PROFILE message containing ] characters.

  • Zipkin output no longer contains a redundant span.kind tag.

  • The profile parser exits 1 and prints a clear error message if run under a Ruby version older than 2.0.

Changed

  • The get method of the Trace class is now private.

  • The FunctionSpan, ResourceSpan, and OtherSpan classes have been replaced by the generic Span class and all parsing logic has been moved to the TraceParser class.

  • The CsvOutput, FlameGraphOutput, HumanOutput, and ZipkinOutput classes have been nested under a new Formatter class as Formatter::Csv, Formatter:FlameGraph, Formatter::Human and Formatter::Zipkin. The display method has also been re-named to write.

0.2.0 - 2018-03-18

Added

  • Colorization of output can be toggled via the --color and --no-color flags.

  • The LogParser class now has a parse_file method.

  • Each Trace is assigned a random UUID.

  • CSV output format.

  • JSON output for v2 of the Zipkin API.

Changed

  • The Namespace class has been re-named to Trace and the Slice classes have been renamed to Span. This matches the implementation up with OpenTracing terminology.

  • The profile-parser.rb script has been re-named to puppet-profile-parser.rb for clarity.

  • The PuppetProfiler module has been re-named to PuppetProfileParser for consistency with the script name.

  • The script prints usage to stderr and exits 1 if no log files are passed.

0.1.0 - 2018-03-02

Added

  • RSpec tests.

  • Apache 2 license.

  • Support for reading gzipped log files.

  • Support for FlameGraph output.

Changed

  • Profiled events are now separated by request and Java thread id. Incomplete profiles are dropped.

  • Inclusive and exclusive times are computed for each profile span. Output uses exclisive time so that hot spots aren't hidden by spans double counting the time taken by their children.

Removed

  • Dependency on the colored and terminal-table gems.

  • The catalog-analyzer.rb script has been removed. It may return in the future, but for now the project will focus on parsing profile data.

0.0.1 - 2014-05-19

Initial version by Adrien Thebo