vLLM/examples/observability/prometheus_grafana/grafana.json

{
  "annotations": {
    "list": [
      {
        "builtIn": 1,
        "datasource": {
          "type": "grafana",
          "uid": "-- Grafana --"
        },
        "enable": true,
        "hide": true,
        "iconColor": "rgba(0, 211, 255, 1)",
        "name": "Annotations & Alerts",
        "target": {
          "limit": 100,
          "matchAny": false,
          "tags": [],
          "type": "dashboard"
        },
        "type": "dashboard"
      }
    ]
  },
  "description": "Monitoring vLLM Inference Server",
  "editable": true,
  "fiscalYearStartMonth": 0,
  "graphTooltip": 0,
  "id": 1,
  "links": [],
  "liveNow": false,
  "panels": [
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "End to end request latency measured in seconds.",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "s"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 0
      },
      "id": 9,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.99, sum by(le) (rate(vllm:e2e_request_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P99",
          "range": true,
          "refId": "A",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.95, sum by(le) (rate(vllm:e2e_request_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P95",
          "range": true,
          "refId": "B",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.9, sum by(le) (rate(vllm:e2e_request_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P90",
          "range": true,
          "refId": "C",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.5, sum by(le) (rate(vllm:e2e_request_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P50",
          "range": true,
          "refId": "D",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "rate(vllm:e2e_request_latency_seconds_sum{model_name=\"$model_name\"}[$__rate_interval])\n/\nrate(vllm:e2e_request_latency_seconds_count{model_name=\"$model_name\"}[$__rate_interval])",
          "hide": false,
          "instant": false,
          "legendFormat": "Average",
          "range": true,
          "refId": "E"
        }
      ],
      "title": "E2E Request Latency",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of tokens processed per second",
      "fieldConfig": {
        "defaults": {
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            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          }
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 0
      },
      "id": 8,
      "options": {
        "legend": {
          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
        },
        "tooltip": {
          "mode": "single",
          "sort": "none"
        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "rate(vllm:prompt_tokens_total{model_name=\"$model_name\"}[$__rate_interval])",
          "fullMetaSearch": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "Prompt Tokens/Sec",
          "range": true,
          "refId": "A",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "rate(vllm:generation_tokens_total{model_name=\"$model_name\"}[$__rate_interval])",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "Generation Tokens/Sec",
          "range": true,
          "refId": "B",
          "useBackend": false
        }
      ],
      "title": "Token Throughput",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Inter-token latency in seconds, measured between consecutive streamed outputs. It approximates TPOT when each output contains one token, but differs from request-level TPOT under speculative decoding or varying aggregation weights.",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
              {
                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "s"
        },
        "overrides": []
      },
      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 0,
        "y": 8
      },
      "id": 10,
      "options": {
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          "showLegend": true
        },
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        }
      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.99, sum by(le) (rate(vllm:inter_token_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P99",
          "range": true,
          "refId": "A",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.95, sum by(le) (rate(vllm:inter_token_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P95",
          "range": true,
          "refId": "B",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.9, sum by(le) (rate(vllm:inter_token_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P90",
          "range": true,
          "refId": "C",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.5, sum by(le) (rate(vllm:inter_token_latency_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P50",
          "range": true,
          "refId": "D",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "rate(vllm:inter_token_latency_seconds_sum{model_name=\"$model_name\"}[$__rate_interval])\n/\nrate(vllm:inter_token_latency_seconds_count{model_name=\"$model_name\"}[$__rate_interval])",
          "hide": false,
          "instant": false,
          "legendFormat": "Mean",
          "range": true,
          "refId": "E"
        }
      ],
      "title": "Inter Token Latency",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Per-request Time Per Output Token (TPOT) in seconds, computed as (end-to-end latency - TTFT) divided by the number of output tokens minus one. Requests with no more than one output token are recorded as zero; vllm bench serve excludes these requests from its TPOT statistics.",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
              {
                "color": "green",
                "value": null
              },
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                "color": "red",
                "value": 80
              }
            ]
          },
          "unit": "s"
        },
        "overrides": []
      },
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        "w": 12,
        "x": 12,
        "y": 48
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          "showLegend": true
        },
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      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.99, sum by(le) (rate(vllm:request_time_per_output_token_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P99",
          "range": true,
          "refId": "A",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.95, sum by(le) (rate(vllm:request_time_per_output_token_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P95",
          "range": true,
          "refId": "B",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.9, sum by(le) (rate(vllm:request_time_per_output_token_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P90",
          "range": true,
          "refId": "C",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.5, sum by(le) (rate(vllm:request_time_per_output_token_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": false,
          "instant": false,
          "legendFormat": "P50",
          "range": true,
          "refId": "D",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "editorMode": "code",
          "expr": "rate(vllm:request_time_per_output_token_seconds_sum{model_name=\"$model_name\"}[$__rate_interval])\n/\nrate(vllm:request_time_per_output_token_seconds_count{model_name=\"$model_name\"}[$__rate_interval])",
          "hide": false,
          "instant": false,
          "legendFormat": "Mean",
          "range": true,
          "refId": "E"
        }
      ],
      "title": "Time Per Output Token (TPOT)",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "Number of requests in RUNNING, WAITING, and SWAPPED state",
      "fieldConfig": {
        "defaults": {
          "color": {
            "mode": "palette-classic"
          },
          "custom": {
            "axisBorderShow": false,
            "axisCenteredZero": false,
            "axisColorMode": "text",
            "axisLabel": "",
            "axisPlacement": "auto",
            "barAlignment": 0,
            "barWidthFactor": 0.6,
            "drawStyle": "line",
            "fillOpacity": 0,
            "gradientMode": "none",
            "hideFrom": {
              "legend": false,
              "tooltip": false,
              "viz": false
            },
            "insertNulls": false,
            "lineInterpolation": "linear",
            "lineWidth": 1,
            "pointSize": 5,
            "scaleDistribution": {
              "type": "linear"
            },
            "showPoints": "auto",
            "spanNulls": false,
            "stacking": {
              "group": "A",
              "mode": "none"
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            "thresholdsStyle": {
              "mode": "off"
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          },
          "mappings": [],
          "thresholds": {
            "mode": "absolute",
            "steps": [
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              }
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          "unit": "none"
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        "overrides": []
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      "gridPos": {
        "h": 8,
        "w": 12,
        "x": 12,
        "y": 8
      },
      "id": 3,
      "options": {
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          "calcs": [],
          "displayMode": "list",
          "placement": "bottom",
          "showLegend": true
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        "tooltip": {
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          "sort": "none"
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      },
      "targets": [
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          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "vllm:num_requests_running{model_name=\"$model_name\"}",
          "fullMetaSearch": false,
          "includeNullMetadata": true,
          "instant": false,
          "legendFormat": "Num Running",
          "range": true,
          "refId": "A",
          "useBackend": false
        },
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "vllm:num_requests_waiting{model_name=\"$model_name\"}",
          "fullMetaSearch": false,
          "hide": false,
          "includeNullMetadata": true,
          "instant": false,
          "legendFormat": "Num Waiting",
          "range": true,
          "refId": "C",
          "useBackend": false
        }
      ],
      "title": "Scheduler State",
      "type": "timeseries"
    },
    {
      "datasource": {
        "type": "prometheus",
        "uid": "${DS_PROMETHEUS}"
      },
      "description": "P50, P90, P95, and P99 TTFT latency in seconds.",
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            "mode": "palette-classic"
          },
          "custom": {
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            },
            "thresholdsStyle": {
              "mode": "off"
            }
          },
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            "steps": [
              {
                "color": "green",
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              },
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                "color": "red",
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              }
            ]
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          "unit": "s"
        },
        "overrides": []
      },
      "gridPos": {
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        "x": 0,
        "y": 16
      },
      "id": 5,
      "options": {
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          "placement": "bottom",
          "showLegend": true
        },
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      },
      "targets": [
        {
          "datasource": {
            "type": "prometheus",
            "uid": "${DS_PROMETHEUS}"
          },
          "disableTextWrap": false,
          "editorMode": "builder",
          "expr": "histogram_quantile(0.99, sum by(le) (rate(vllm:time_to_first_token_seconds_bucket{model_name=\"$model_name\"}[$__rate_interval])))",
          "fullMetaSearch": false,
          "hide": false,
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        },
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            "uid": "${DS_PROMETHEUS}"
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