raygun-apm-ruby/diagram.dot at main · MindscapeHQ/raygun-apm-ruby · GitHub

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digraph {
    rankdir=LR;
    label = "Lifecycle of a single simple request";

    node[shape=box3d width=2.3 height=0.6 fontname="Arial"];

    subgraph cluster_0 {
        label="HTTP Request";
        "GET /foo";
    }

    subgraph cluster_1 {
        label="Ruby Worker Thread (a unit of work eg. request)";
        "GET /foo" -> "Ruby Thread";
        "Ruby Thread" -> "Trace Context";
        "Ruby Thread" -> "Thread Group";
        "Thread Group" -> "Trace Context";
        "Trace Context" -> "Ruby Tracepoint";
        "Ruby Tracepoint" -> "Tracepoint Event Handler";
        "Tracepoint Event Handler" -> "BEGIN_TRANSACTION";
        "Tracepoint Event Handler" -> "THREAD_STARTED: 1";
        "Tracepoint Event Handler" -> "METHODINFO: 1";
        "Tracepoint Event Handler" -> "BEGIN: 1";
        "Tracepoint Event Handler" -> "METHODINFO: 2";
        "Tracepoint Event Handler" -> "BEGIN: 2";
        "Tracepoint Event Handler" -> "SQL: SELECT * FROM FOO";
        "Tracepoint Event Handler" -> "etc.";
        "Tracepoint Event Handler" -> "END: 2";
        "Tracepoint Event Handler" -> "END: 1";
        "Tracepoint Event Handler" -> "HTTP_IN GET /foo";
        "Tracepoint Event Handler" -> "END_TRANSACTION";
        "BEGIN_TRANSACTION" -> "Raygun encoder";
        "THREAD_STARTED: 1" -> "Raygun encoder";
        "METHODINFO: 1" -> "Raygun encoder";
        "BEGIN: 1" -> "Raygun encoder";
        "METHODINFO: 2" -> "Raygun encoder";
        "BEGIN: 2" -> "Raygun encoder";
        "SQL: SELECT * FROM FOO" -> "Raygun encoder";
        "etc." -> "Raygun encoder";
        "END: 2" -> "Raygun encoder";
        "END: 1" -> "Raygun encoder";
        "Tracepoint Event Handler" -> "Raygun encoder";
        "END_TRANSACTION" -> "Raygun encoder";
    }

    subgraph cluster_2 {
        label="Raygun Shadow Thread";
        "Trace Context" -> "Shadow thread";
        "Ruby Thread" -> "Shadow thread";
        "Shadow thread" -> "Shadow stack";
        "BEGIN: 1" -> "Shadow stack";
        "BEGIN: 2" -> "Shadow stack";
        "END: 1" -> "Shadow stack";
        "END: 2" -> "Shadow stack";
        "Shadow stack" -> "VM top";
        "Shadow stack" -> "Shadow top";
        "Shadow stack" -> "Library depth";
    }

    subgraph cluster_3 {
        label="Tracer state";
        "Methodinfo table";
        "Ruby Thread" -> "Threadsinfo table";
        "Shadow thread" -> "Threadsinfo table";
        "Sink data";
        "Encoder context" -> "timestamper";
        "Encoder context" -> "scratch buffer";
        "scratch buffer" -> "Batcher";
        "Batcher" -> "Ring buffer";
        "Trace Context" -> "Tracecontexts table";
        "THREAD_STARTED: 1" -> "Threadsinfo table";
        "METHODINFO: 1" -> "Methodinfo table";
        "BEGIN: 1" -> "Methodinfo table";
        "METHODINFO: 2" -> "Methodinfo table";
        "BEGIN: 2" -> "Methodinfo table";
    }

    subgraph cluster_4 {
        label="Loosely coupled handoff";
        "Raygun encoder" -> "Encoder context";
    }

    subgraph cluster_5 {
        label="UDP Dispatcher Thread";
        "Ring buffer" -> "Ring buffer reader";
        "Ring buffer reader" -> "UDP socket";
        "Sink data" -> "UDP socket";
        "UDP socket" -> "send: batch 1";
        "UDP socket" -> "send: batch 2";
    }

    subgraph cluster_6 {
        label="Timer Thread";
        "Tick: 30 seconds" -> "Methodinfo table";
        "Methodinfo table" -> "Ring buffer";
    }

    subgraph cluster_7 {
        label="Raygun APM Agent";
        "send: batch 1" -> "port: 2799";
        "send: batch 2" -> "port: 2799";
    }
}