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Merge pull request #89 from DataDog/ivoanjo/prof-13510-ruby4-heap-profiling
[PROF-13510] Add Ruby 4 heap profiling test variants
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‎.github/workflows/test.yml‎

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- name: Update perf_event_paranoid settings
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run: sudo sysctl kernel.perf_event_paranoid=1
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- name: Run Docker scenarios
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run: go test -v -run TestScenarios
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env:
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run: go test -timeout 20m -v -run TestScenarios
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env:
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TEST_SCENARIOS: ${{ inputs.test_scenarios }}
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- name: Create unique artifact name
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id: artifact_name

‎scenarios/ruby_heap_bias_r4/Dockerfile‎

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FROM ruby:4.0.1
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ENV DD_PROFILING_ALLOCATION_ENABLED true
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ENV DD_PROFILING_EXPERIMENTAL_HEAP_ENABLED true
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ENV DD_PROFILING_EXPERIMENTAL_HEAP_SIZE_ENABLED true
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ENV DD_TRACE_DEBUG true
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ENV DD_PROFILING_PPROF_PREFIX="/app/data/profiles_"
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# Copy the Ruby program into the container
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COPY ./scenarios/ruby_heap/gems.rb ./scenarios/ruby_heap/main.rb /app/
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RUN chmod 644 /app/*
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# Set the working directory to the location of the program
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WORKDIR /app
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RUN bundle install
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# By disabling reshuffles, we will always do allocations in the same order
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# and thus (theoretically) increase the effect of bias from interval sampling.
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ENV DISABLE_RESHUFFLE="true"
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# Run the program when the container starts
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CMD bundle exec ddprofrb exec ruby main.rb

‎scenarios/ruby_heap_bias_r4/expected_profile.json‎

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{
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"test_name": "ruby_heap_bias",
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"stacks": [
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{
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"profile-type": "heap-live-samples",
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"stack-content": [
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;a;\\*$",
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"percent": 10,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"String"
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],
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"values_regex": ""
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;b;new$",
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"percent": 20,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"Array"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;c$",
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"percent": 50,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"ObjectWithShape"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;d$",
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"percent": 20,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"TooComplexObject"
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]
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}
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]
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}
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],
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"error-margin": 15,
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"value-matching-sum": 500
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},
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{
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"profile-type": "heap-live-size",
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"stack-content": [
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;a;\\*$",
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"percent": 22,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"String"
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],
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"values_regex": ""
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;b;new$",
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"percent": 36,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"Array"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;c$",
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"percent": 17,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"ObjectWithShape"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;d$",
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"percent": 25,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"TooComplexObject"
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]
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}
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]
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}
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],
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"error-margin": 15,
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"value-matching-sum": 236050
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}
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],
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"scale_by_duration": true
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}

‎scenarios/ruby_heap_highload_r4/Dockerfile‎

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FROM ruby:4.0.1
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ENV DD_PROFILING_ALLOCATION_ENABLED true
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ENV DD_PROFILING_EXPERIMENTAL_HEAP_ENABLED true
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ENV DD_PROFILING_EXPERIMENTAL_HEAP_SIZE_ENABLED true
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ENV DD_TRACE_DEBUG true
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ENV DD_PROFILING_PPROF_PREFIX="/app/data/profiles_"
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# Copy the Ruby program into the container
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COPY ./scenarios/ruby_heap/gems.rb ./scenarios/ruby_heap/main.rb /app/
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RUN chmod 644 /app/*
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# Set the working directory to the location of the program
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WORKDIR /app
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RUN bundle install
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ENV LOOPS_PER_SEC=500
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# Run the program when the container starts
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CMD bundle exec ddprofrb exec ruby main.rb

‎scenarios/ruby_heap_highload_r4/expected_profile.json‎

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{
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"test_name": "ruby_heap_highload",
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"stacks": [
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{
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"profile-type": "heap-live-samples",
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"stack-content": [
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;a;\\*$",
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"percent": 10,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"String"
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],
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"values_regex": ""
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;b;new$",
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"percent": 20,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"Array"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;c$",
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"percent": 50,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"ObjectWithShape"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;d$",
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"percent": 20,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"TooComplexObject"
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]
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}
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]
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}
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],
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"error-margin": 10,
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"value-matching-sum": 5000
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},
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{
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"profile-type": "heap-live-size",
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"stack-content": [
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;a;\\*$",
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"percent": 22,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"String"
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],
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"values_regex": ""
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;b;new$",
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"percent": 36,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"Array"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;c$",
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"percent": 17,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"ObjectWithShape"
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]
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}
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]
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},
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{
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"regular_expression": "^<main>;each;<main>;times;<main>;d$",
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"percent": 25,
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"labels": [
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{
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"key": "allocation class",
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"values": [
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"TooComplexObject"
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]
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}
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]
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}
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],
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"error-margin": 10,
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"value-matching-sum": 2360500
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}
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],
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"scale_by_duration": true
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}

‎scenarios/ruby_heap_r4/Dockerfile‎

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FROM ruby:4.0.1
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ENV DD_PROFILING_ALLOCATION_ENABLED true
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ENV DD_PROFILING_EXPERIMENTAL_HEAP_ENABLED true
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ENV DD_PROFILING_EXPERIMENTAL_HEAP_SIZE_ENABLED true
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ENV DD_TRACE_DEBUG true
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ENV DD_PROFILING_PPROF_PREFIX="/app/data/profiles_"
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# Copy the Ruby program into the container
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COPY ./scenarios/ruby_heap/gems.rb ./scenarios/ruby_heap/main.rb /app/
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RUN chmod 644 /app/*
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# Set the working directory to the location of the program
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WORKDIR /app
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RUN bundle install
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# Run the program when the container starts
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CMD bundle exec ddprofrb exec ruby main.rb

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