Ivo Anjo is a Software Engineer at Datadog. His main focus is the Ruby Language. He is currently working on building a Ruby profiler and was a speaker at RubyKaigi 2022. He returns to the show with Chuck and Valentino to discuss the gvl-tracing gem, a Ruby gem that he recently created. It is a Ruby gem for getting a timeline view of Global VM Lock usage in your Ruby app. Additionally, he describes how this may be applied to improve performance and speed up Ruby Apps.About this EpisodeFeatures of gvl-tracing GemApplying Global VM Lock to Ruby ApplicationsHow Ruby Profiler worksAll about Heap Sampling and its benefitsSponsorsAppSignalDeveloper Book Club starting with Clean Architecture by Robert C. MartinBecome a Top 1% Dev with a Top End Devs MembershipLinkstracing ruby’s (global) vm lockGVL Instrumentation API ivoanjo/gvl-tracing[EN]Hunting Production Memory Leaks with Heap Sampling / @KnuX and @KJTsanaktsidis - YouTubeAnalyze Ruby Code Performance With Datadog Continuous Profiler | DatadogAll About Queueing In Rails Applications / Nate Berkopec - YouTubeHunting Production Memory Leaks with Heap Sampling - RubyKaigi 2022GitHub - zendesk/ruby_memprofiler_pprof: Experimental memory profiler for Ruby that emits pprof files.GitHub - bloomberg/memray: Memray is a memory profiler for Pythonsubscribe to my newsletter!Ivo Anjo.meTwitter: @KnuXPicksCharles - Tenpenny Parks | Board Game - BoardGameGeekCharles - Keeper of the Lost CitiesIvo - Linus Torvalds’ interview snippet where he mentions that “the Ruby people, strange people”, helped a lot in popularizing gitIvo - Real World Applications with the Ruby Fiber Scheduler - RubyKaigi 2022Ivo - TRICK 2022 (Returns) - RubyKaigi 2022Ivo - Megaruby - Running mruby/c programs on Sega Mega Drive - RubyKaigi 2022Ivo - The Culture Map by Erin MeyerValentino - First Ruby Friend Valentino - Galactic Unicorn (Pico W Aboard) - PimoroniAdvertising Inquiries: https://redcircle.com/brandsPrivacy & Opt-Out: https://redcircle.com/privacyBecome a supporter of this podcast: https://www.spreaker.com/podcast/ruby-rogues--6102073/support.