Crate seella

A tool for visualising the traces emitted by ScyllaDB.

Structs

• Cli
  Configuration for the cli.
• CsvModeOptions
  Options that are specific to the CSV mode of operation.
• CsvSource
  A source for the data based on an exported CSV.
• DbAddr
  Default SocketAddr for connection to a database.
• DbModeOptions
  Options that are specific to the DB mode of operation.
• DbSource
  A source for the data based on an exported CSV.
• Event
  All of the information related to an event, as well as all child events.
• EventRecord
  The basic structure and data of a Event, before it is made into the leaves of a tree.
• EventsPath
  Default path to the Event source.
• MaxActivityWidth
  Default maximum width for the activity column.
• MinDurationWidth
  Default minimum width for the dur column.
• Session
  All of the information related to a single tracing session.
• SessionRecord
  The basic structure and data of a Session, before it is made into the head of a tree.
• SessionsPath
  Default path to the Session source.
• SpanId
  Wrapper type for the i64 used by Scylla for span IDs.
• WaterfallWidth
  Default width for the waterfall chart.

Enums

• CsvParsingError
  The kinds of errors that can be experienced while parsing the data from the CSV.
• DbParsingError
  The kinds of errors that can be experienced while parsing the data from the DB.
• DurationFormat
  Which unit of measurement to use for the display of durations of spans.
• OperationMode
  Mode of operation; whether to use a CSV or a DB.

Constants

• COMPLAIN_ABOUT_TRACE_SIZE
  It’s possible for a chrono::Duration to have more than 2^63 microseconds and overflow, we ignore that possibility.

Functions

• event_display_str
  Generates the formatted string used by Event::display.
• session_from_csv
  Constructs a Session instance from the files given in the CsvModeOptions config.
• session_from_db
  Constructs a Session instance from a live database, given the DbModeOptions config.

Type Aliases

• DbEventRecord
  Makes it much easier to use [scylla::FromRow] for the very large system_traces.events rows.
• DbSessionRecord
  Makes it much easier to use [scylla::FromRow] for the very large system_traces.sessions rows.