flamegraph_and_tracing_support.json

{
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    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "grafana",
          "uid": "-- Grafana --"
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        "enable": true,
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        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "type": "dashboard"
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  },
  "description": "https://github.com/Altinity/clickhouse-grafana/issues/508",
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
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  "panels": [
    {
      "datasource": {
        "type": "vertamedia-clickhouse-datasource",
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      "gridPos": {
        "h": 8,
        "w": 24,
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      "links": [
        {
          "targetBlank": true,
          "title": "Trace Visualizations",
          "url": "https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/traces/"
        }
      ],
      "targets": [
        {
          "add_metadata": true,
          "database": "system",
          "datasource": {
            "type": "vertamedia-clickhouse-datasource",
            "uid": "PFA2E00E697AAEA0A"
          },
          "dateColDataType": "finish_date",
          "dateTimeColDataType": "intDiv(finish_time_us,1000000)",
          "dateTimeType": "TIMESTAMP",
          "editorMode": "builder",
          "extrapolate": false,
          "format": "traces",
          "formattedQuery": "SELECT $timeSeries as t, count() FROM $table WHERE $timeFilter GROUP BY t ORDER BY t",
          "intervalFactor": 1,
          "query": "SELECT\r\n    trace_id AS traceID,\r\n    span_id AS spanID,\r\n    operation_name AS operationName,\r\n    parent_span_id AS parentSpanID,\r\n    'clickhouse' AS serviceName,\r\n    intDiv(finish_time_us - start_time_us, 1000) AS duration,\r\n    intDiv(start_time_us,1000) AS startTime,\r\n    attribute AS tags,\r\n    map('hostName',hostname) AS serviceTags\r\nFROM\r\n   $table\r\nWHERE $timeFilter\r\nORDER BY traceID, startTime",
          "rawQuery": "/* grafana dashboard=FlameGraph and Tracing support, user=1 */ SELECT\r\n    trace_id AS traceID,\r\n    span_id AS spanID,\r\n    operation_name AS operationName,\r\n    parent_span_id AS parentSpanID,\r\n    hostname AS serviceName,\r\n    intDiv(finish_time_us - start_time_us, 1000) AS duration,\r\n    intDiv(start_time_us,1000) AS startTime,\r\n    attribute AS tags,\r\n    map() AS serviceTags\r\nFROM\r\n   system.opentelemetry_span_log\r\nWHERE finish_date >= toDate(1713432368) AND finish_date <= toDate(1713453968) AND intDiv(finish_time_us,1000000) >= 1713432368 AND intDiv(finish_time_us,1000000) <= 1713453968",
          "refId": "A",
          "round": "0s",
          "showFormattedSQL": false,
          "showHelp": false,
          "skip_comments": false,
          "step": "",
          "table": "opentelemetry_span_log"
        }
      ],
      "title": "Traces Example",
      "type": "traces"
    },
    {
      "datasource": {
        "type": "vertamedia-clickhouse-datasource",
        "uid": "PFA2E00E697AAEA0A"
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      "description": "",
      "gridPos": {
        "h": 9,
        "w": 24,
        "x": 0,
        "y": 8
      },
      "id": 1,
      "links": [
        {
          "targetBlank": true,
          "title": "system.trace_log",
          "url": "https://clickhouse.com/docs/en/operations/system-tables/trace_log"
        },
        {
          "title": "Collect flamegraph",
          "url": "https://kb.altinity.com/altinity-kb-queries-and-syntax/trace_log/"
        },
        {
          "targetBlank": true,
          "title": "Expected fields",
          "url": "https://grafana.com/docs/grafana/latest/panels-visualizations/visualizations/flame-graph/#data-api"
        }
      ],
      "targets": [
        {
          "add_metadata": true,
          "database": "system",
          "datasource": {
            "type": "vertamedia-clickhouse-datasource",
            "uid": "PFA2E00E697AAEA0A"
          },
          "dateColDataType": "event_date",
          "dateTimeColDataType": "event_time",
          "dateTimeType": "DATETIME",
          "editorMode": "builder",
          "extrapolate": false,
          "format": "flamegraph",
          "formattedQuery": "SELECT $timeSeries as t, count() FROM $table WHERE $timeFilter GROUP BY t ORDER BY t",
          "intervalFactor": 1,
          "query": "SELECT length(trace)  - level_num AS level, label, count() AS value, 0 self \r\nFROM $table \r\nARRAY JOIN arrayEnumerate(trace) AS level_num, \r\narrayMap(x -> if(addressToSymbol(x) != '', demangle(addressToSymbol(x)), 'unknown') , trace) AS label \r\nWHERE trace_type='Real' AND $timeFilter\r\nGROUP BY level, label, trace\r\nORDER BY trace, level\r\n",
          "rawQuery": "/* grafana dashboard=FlameGraph and Tracing support, user=1 */ SELECT level, label, count() AS value, 0 self \r\nFROM system.trace_log \r\nARRAY JOIN arrayEnumerate(trace) AS level, \r\narrayMap(x -> demangle(addressToSymbol(x) ), trace) AS label \r\nWHERE trace_type='Real' AND event_date >= toDate(1713685956) AND event_date <= toDate(1713707556) AND event_time >= toDateTime(1713685956) AND event_time <= toDateTime(1713707556)\r\nGROUP BY ALL;",
          "refId": "A",
          "round": "0s",
          "showFormattedSQL": false,
          "showHelp": false,
          "skip_comments": false,
          "step": "",
          "table": "trace_log"
        }
      ],
      "title": "flamegraph example",
      "type": "flamegraph"
    }
  ],
  "refresh": "",
  "schemaVersion": 39,
  "tags": [],
  "templating": {
    "list": []
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    "to": "now"
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