{
  "$schema": "https://json-schema.org/draft/2019-09/schema",
  "$id": "https://github.com/oracle/graal/blob/master/docs/reference-manual/native-image/assets/build-output-schema-v0.9.3.json",
  "type": "object",
  "default": {},
  "title": "Schema for the JSON build output of GraalVM Native Image",
  "required": [
    "general_info",
    "analysis_results",
    "image_details",
    "resource_usage"
  ],
  "additionalProperties": false,
  "properties": {
    "general_info": {
      "type": "object",
      "default": {},
      "title": "General information about the build process",
      "required": [
        "name",
        "graalvm_version",
        "java_version",
        "vendor_version",
        "graal_compiler",
        "c_compiler",
        "garbage_collector"
      ],
      "additionalProperties": false,
      "properties": {
        "name": {
          "type": "string",
          "default": "",
          "title": "The file name of the native executable (including file extension if any)"
        },
        "graalvm_version": {
          "type": "string",
          "default": "",
          "title": "The GraalVM Native Image version. Deprecated: Please use vendor_version or java_version instead."
        },
        "java_version": {
          "type": "string",
          "default": null,
          "title": "The Java version of the Native Image build process. This value is also used for the 'java.vm.version' property within the generated image"
        },
        "vendor_version": {
          "type": "string",
          "default": null,
          "title": "The vendor version of the VM of the generated image. This value is also used for the 'java.vendor.version' property within the generated image"
        },
        "graal_compiler": {
          "type": "object",
          "default": {},
          "required": ["optimization_level", "march"],
          "additionalProperties": false,
          "properties": {
            "optimization_level": {
              "type": "string",
              "default": "",
              "title": "The optimization level used by Graal"
            },
            "march": {
              "type": "string",
              "default": "",
              "title": "The machine type targeted by Graal"
            },
            "pgo": {
              "type": "array",
              "items": {
                "type": "string",
                "default": "",
                "enum": ["instrument", "user-provided", "ML-inferred"],
                "title": "The name of the enabled PGO mode"
              },
              "default": null,
              "title": "The names of the enabled PGO modes (or null if PGO is not used) (Oracle GraalVM only)"
            }
          },
          "title": "Information about the Graal compiler"
        },
        "c_compiler": {
          "type": ["string", "null"],
          "default": null,
          "title": "The C compiler used by the Native Image build process (or null if not available)"
        },
        "garbage_collector": {
          "type": "string",
          "default": "",
          "title": "The garbage collector used within the generated image"
        }
      }
    },
    "analysis_results": {
      "type": "object",
      "default": {},
      "title": "Information from the analysis",
      "required": [
        "types",
        "fields",
        "methods"
      ],
      "additionalProperties": false,
      "properties": {
        "types": {
          "type": "object",
          "default": {},
          "title": "Type information from the analysis",
          "required": [
            "total",
            "reachable",
            "reflection",
            "jni"
          ],
          "additionalProperties": false,
          "properties": {
            "total": {
              "type": "integer",
              "default": 0,
              "title": "The total number of types"
            },
            "reachable": {
              "type": "integer",
              "default": 0,
              "title": "The number of reachable types"
            },
            "reflection": {
              "type": "integer",
              "default": 0,
              "title": "The number of types registered for reflection"
            },
            "jni": {
              "type": "integer",
              "default": -1,
              "title": "The number of types registered for JNI access (or -1 if unset)"
            }
          }
        },
        "classes": {
          "type": "object",
          "default": {},
          "title": "Class information from the analysis (deprecated, use 'types')",
          "required": [
            "total",
            "reachable",
            "reflection",
            "jni"
          ],
          "additionalProperties": false,
          "properties": {
            "total": {
              "type": "integer",
              "default": 0,
              "title": "The total number of classes"
            },
            "reachable": {
              "type": "integer",
              "default": 0,
              "title": "The number of reachable classes"
            },
            "reflection": {
              "type": "integer",
              "default": 0,
              "title": "The number of classes registered for reflection"
            },
            "jni": {
              "type": "integer",
              "default": -1,
              "title": "The number of classes registered for JNI access (or -1 if unset)"
            }
          }
        },
        "fields": {
          "type": "object",
          "default": {},
          "title": "Field information from the analysis",
          "required": [
            "total",
            "reachable",
            "reflection",
            "jni"
          ],
          "additionalProperties": false,
          "properties": {
            "total": {
              "type": "integer",
              "default": 0,
              "title": "The total number of fields"
            },
            "reachable": {
              "type": "integer",
              "default": 0,
              "title": "The number of reachable fields"
            },
            "reflection": {
              "type": "integer",
              "default": 0,
              "title": "The number of fields registered for reflection"
            },
            "jni": {
              "type": "integer",
              "default": -1,
              "title": "The number of fields registered for JNI access (or -1 if unset)"
            }
          }
        },
        "methods": {
          "type": "object",
          "default": {},
          "title": "Method information from the analysis",
          "required": [
            "total",
            "reachable",
            "reflection",
            "jni",
            "foreign_downcalls",
            "foreign_upcalls"
          ],
          "additionalProperties": false,
          "properties": {
            "total": {
              "type": "integer",
              "default": 0,
              "title": "The total number of methods"
            },
            "reachable": {
              "type": "integer",
              "default": 0,
              "title": "The number of reachable methods"
            },
            "reflection": {
              "type": "integer",
              "default": 0,
              "title": "The number of methods registered for reflection"
            },
            "jni": {
              "type": "integer",
              "default": -1,
              "title": "The number of methods registered for JNI access (or -1 if unset)"
            },
            "foreign_downcalls": {
              "type": "integer",
              "default": -1,
              "title": "The number of registered FFM API downcalls (or -1 if unset)"
            },
            "foreign_upcalls": {
              "type": "integer",
              "default": -1,
              "title": "The number of registered FFM API upcalls (or -1 if unset)"
            }
          }
        }
      }
    },
    "image_details": {
      "type": "object",
      "default": {},
      "title": "Statistics about the generated native image",
      "required": [
        "total_bytes",
        "code_area",
        "image_heap"
      ],
      "additionalProperties": false,
      "properties": {
        "total_bytes": {
          "type": "integer",
          "default": 0,
          "title": "The total number of bytes of the image"
        },
        "code_area": {
          "type": "object",
          "default": {},
          "title": "Code area statistics",
          "required": [
            "bytes",
            "compilation_units"
          ],
          "additionalProperties": false,
          "properties": {
            "bytes": {
              "type": "integer",
              "default": 0,
              "title": "The number of bytes used for the code area"
            },
            "compilation_units": {
              "type": "integer",
              "default": 0,
              "title": "The number of compilation units in the image"
            }
          }
        },
        "image_heap": {
          "type": "object",
          "default": {},
          "title": "Image heap statistics",
          "required": [
            "bytes",
            "objects",
            "resources"
          ],
          "additionalProperties": false,
          "properties": {
            "bytes": {
              "type": "integer",
              "default": 0,
              "title": "The number of bytes used for image heap"
            },
            "objects": {
              "type": "object",
              "default": {},
              "title": "Object statistics",
              "required": [
                "count"
              ],
              "additionalProperties": false,
              "properties": {
                "count": {
                  "type": "integer",
                  "default": 0,
                  "title": "Number of objects in the image heap"
                }
              }
            },
            "resources": {
              "type": "object",
              "default": {},
              "title": "Resource statistics",
              "required": [
                "count",
                "bytes"
              ],
              "additionalProperties": false,
              "properties": {
                "count": {
                  "type": "integer",
                  "default": 0,
                  "title": "Number of resources embedded in the image"
                },
                "bytes": {
                  "type": "integer",
                  "default": 0,
                  "title": "The number of bytes used for resource data"
                }
              }
            }
          }
        },
        "debug_info": {
          "type": "object",
          "default": {},
          "title": "Debug info statistics",
          "required": [
            "bytes"
          ],
          "additionalProperties": false,
          "properties": {
            "bytes": {
              "type": "integer",
              "default": 0,
              "title": "The number of bytes used for debug info"
            }
          }
        },
        "runtime_compiled_methods": {
          "type": "object",
          "default": {},
          "title": "Statistics on runtime compiled methods (optional)",
          "required": [
            "count",
            "graph_encoding_bytes"
          ],
          "additionalProperties": false,
          "properties": {
            "count": {
              "type": "integer",
              "default": 0,
              "title": "Number of runtime compiled methods"
            },
            "graph_encoding_bytes": {
              "type": "integer",
              "default": 0,
              "title": "The number of bytes used for graph encodings bytes"
            }
          }
        }
      }
    },
    "resource_usage": {
      "type": "object",
      "default": {},
      "title": "Resource usage statistics",
      "required": [
        "cpu",
        "garbage_collection",
        "memory",
        "total_secs"
      ],
      "additionalProperties": false,
      "properties": {
        "cpu": {
          "type": "object",
          "default": {},
          "title": "CPU usage statistics",
          "required": [
            "load",
            "parallelism",
            "total_cores"
          ],
          "additionalProperties": false,
          "properties": {
            "load": {
              "type": "number",
              "default": -1,
              "title": "The CPU load of the build process before terminating (or -1 if unavailable)"
            },
            "parallelism": {
              "type": "integer",
              "default": 0,
              "title": "The total number of threads the build process is allowed to use"
            },
            "total_cores": {
              "type": "integer",
              "default": 0,
              "title": "The total number of cores of the build machine"
            }
          }
        },
        "garbage_collection": {
          "type": "object",
          "default": {},
          "title": "Garbage collection usage statistics",
          "required": [
            "count",
            "max_heap",
            "total_secs"
          ],
          "additionalProperties": false,
          "properties": {
            "count": {
              "type": "integer",
              "default": 0,
              "title": "The number of GC cycles performed during image generation"
            },
            "max_heap": {
              "type": "number",
              "default": 0.0,
              "title": "The Java heap memory limit of the image builder process in bytes"
            },
            "total_secs": {
              "type": "number",
              "default": 0.0,
              "title": "The total number of seconds spent in GC"
            }
          }
        },
        "memory": {
          "type": "object",
          "default": {},
          "title": "Memory usage statistics",
          "required": [
            "system_total",
            "peak_rss_bytes"
          ],
          "additionalProperties": false,
          "properties": {
            "system_total": {
              "type": "integer",
              "default": 0,
              "title": "The total number of bytes of available system memory"
            },
            "peak_rss_bytes": {
              "type": "integer",
              "default": -1,
              "title": "Peak RSS value of the image builder process in bytes (or -1 if unavailable)"
            }
          }
        },
        "total_secs": {
          "type": "number",
          "default": 0.0,
          "title": "The total number of seconds image generation took"
        }
      }
    }
  }
}