default namespace = "http://www.nongnu.org/watt/xmlns/detail/1.0"

start = Stage.Toplevel

Stage.Nestable = Stage | Transaction

Stage.Toplevel = Process | HttpRequest | Program

Stage = element stage { Stage.Content }

Stage.Content =
  attribute name { xsd:string },
  StartEnd.Attr,
  element attr {
    attribute name { xsd:string },
    text
  }*,
  Stage.Nestable*,
  Operation.Any*

StartEnd.Attr =
  attribute start { xsd:int },
  attribute end { xsd:int }

Process = element process { Process.Content }

Process.Content =
  Stage.Content,
  attribute host { xsd:string },
  attribute pid { xsd:int },
  attribute result { "pass" | "fail" },
  Exception?

HttpRequest =
  element httprequest {
    Process.Content,
    attribute url { text },
    attribute method { text },
    attribute saddr { text },
    attribute sport { text },
    element cookie {
      attribute name { text },
      attribute value { text },
      attribute expires { text }?,
      attribute path { text }?
    }*,
    Param*
  }

Param =
  element param {
    attribute name { text },
    attribute value { text }
  }

Program =
  element program {
    Process.Content,
    attribute path { text },
    attribute uid { text },
    attribute gid { text },
    element arg { text }*
  }

Transaction =
  element txn {
    Stage.Content,
    StartEnd.Attr,
    attribute status { "commit" | "abort" },
    Exception?
  }

Operation.Any = Operation | DbOperation | MsgOperation | RpcOperation

Operation = element op { Operation.Content }

Operation.Content = StartEnd.Attr, Exception?, StackTrace?

DbOperation =
  element dbop {
    Operation.Content,
    attribute rows { text }?,
    attribute error { text }?,
    element stmt { text },
    element bind { text }*
  }

MsgOperation =
  element msgop {
    Operation.Content,
    attribute queue { text },
    attribute action { "get" | "put" }
  }

RpcOperation =
  element rpcop {
    Operation.Content,
    attribute object { text },
    attribute method { text },
    attribute action { "call" | "signal" },
    Param*
  }

Exception =
  element exception {
    attribute message { xsd:string },
    attribute type { xsd:string },
    StackTrace.Content
  }

StackTrace = element stacktrace { StackTrace.Content }

StackTrace.Content = StackFrame+

StackFrame =
  element stackframe {
    attribute object { xsd:string },
    attribute method { xsd:string },
    attribute file { xsd:string },
    attribute line { xsd:int }
  }