"flamegraph" meaning in English

{
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        "2": "flame",
        "3": "graph"
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      "expansion": "flame + graph",
      "name": "af"
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  "etymology_text": "flame + graph",
  "forms": [
    {
      "form": "flamegraphs",
      "tags": [
        "plural"
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      "expansion": "flamegraph (plural flamegraphs)",
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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          "langcode": "en",
          "name": "Computing",
          "orig": "en:Computing",
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      "examples": [
        {
          "ref": "2021, I. I. Thomas Hunter, Bryan English, “Preface”, in Multithreaded JavaScript, O'Reilly, page xi",
          "text": "We spent many hours running benchmarks, poring over flamegraphs, and digging through internal Node.js code.",
          "type": "quotation"
        }
      ],
      "glosses": [
        "A visual representation of hierarchical data used to analyze system and application performance metrics."
      ],
      "id": "en-flamegraph-en-noun-MBCyXkKu",
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          "computing",
          "computing#Noun"
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      "raw_glosses": [
        "(computing) A visual representation of hierarchical data used to analyze system and application performance metrics."
      ],
      "related": [
        {
          "word": "call graph"
        }
      ],
      "synonyms": [
        {
          "word": "flame graph"
        }
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
        "sciences"
      ]
    }
  ],
  "word": "flamegraph"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "flame",
        "3": "graph"
      },
      "expansion": "flame + graph",
      "name": "af"
    }
  ],
  "etymology_text": "flame + graph",
  "forms": [
    {
      "form": "flamegraphs",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "flamegraph (plural flamegraphs)",
      "name": "en-noun"
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  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "related": [
    {
      "word": "call graph"
    }
  ],
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        "en:Computing"
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        {
          "ref": "2021, I. I. Thomas Hunter, Bryan English, “Preface”, in Multithreaded JavaScript, O'Reilly, page xi",
          "text": "We spent many hours running benchmarks, poring over flamegraphs, and digging through internal Node.js code.",
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      ],
      "glosses": [
        "A visual representation of hierarchical data used to analyze system and application performance metrics."
      ],
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      "raw_glosses": [
        "(computing) A visual representation of hierarchical data used to analyze system and application performance metrics."
      ],
      "topics": [
        "computing",
        "engineering",
        "mathematics",
        "natural-sciences",
        "physical-sciences",
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  ],
  "synonyms": [
    {
      "word": "flame graph"
    }
  ],
  "word": "flamegraph"
}