{
  "id": "tool:perf",
  "_kind": "Tool",
  "_file": "domain/tools/tools-profiling.yaml",
  "_cluster": "domain",
  "attributes": {
    "displayName": "perf",
    "homepageUrl": "https://perf.wiki.kernel.org",
    "kind": "profiler",
    "description": "Linux performance counters tool for sampling CPU profiles, tracing\nsyscalls, and inspecting hardware events.\n"
  },
  "outgoingEdges": [
    {
      "from": "tool:perf",
      "to": "skill-area:profiling-cpu",
      "kind": "tool_used_by",
      "attributes": {}
    },
    {
      "from": "tool:perf",
      "to": "skill-area:frontend-performance",
      "kind": "used_for"
    },
    {
      "from": "tool:perf",
      "to": "tool:flamegraph",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "Profiling — perf samples CPU profiles; FlameGraph visualizes stack traces"
      }
    },
    {
      "from": "tool:perf",
      "to": "tool:py-spy",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "Profiling — perf is Linux system-level; py-spy is Python-specific"
      }
    }
  ],
  "incomingEdges": [
    {
      "from": "skill-area:profiling-cpu",
      "to": "tool:perf",
      "kind": "uses_tool"
    },
    {
      "from": "specialization:performance-optimization",
      "to": "tool:perf",
      "kind": "uses_tool"
    },
    {
      "from": "tool:flamegraph",
      "to": "tool:perf",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "Profiling — FlameGraph visualizes stack traces; perf samples CPU profiles"
      }
    },
    {
      "from": "tool:py-spy",
      "to": "tool:perf",
      "kind": "alternative_to",
      "attributes": {
        "comparison": "Profiling — py-spy is Python-specific; perf is Linux system-level"
      }
    }
  ]
}