src/Pure/Admin/build_status.scala

cpu time is somewhat redundant for threads=1;
tuned output;

/*  Title:      Pure/Admin/build_status.scala
    Author:     Makarius

Present recent build status information from database.
*/

package isabelle


object Build_Status
{
  private val default_target_dir = Path.explode("build_status")
  private val default_history_length = 30
  private val default_image_size = (640, 480)


  /* data profiles */

  def clean_name(name: String): String =
    name.flatMap(c => if (c == ' ' || c == '/') "_" else if (c == ',') "" else c.toString)

  sealed case class Profile(description: String, sql: String)
  {
    def select(columns: List[SQL.Column], days: Int, only_sessions: Set[String]): SQL.Source =
    {
      val sql_sessions =
        if (only_sessions.isEmpty) ""
        else
          only_sessions.iterator.map(a => Build_Log.Data.session_name + " = " + SQL.string(a))
            .mkString("(", " OR ", ") AND ")

      Build_Log.Data.universal_table.select(columns, distinct = true,
        sql = "WHERE " +
          Build_Log.Data.pull_date + " > " + Build_Log.Data.recent_time(days) + " AND " +
          Build_Log.Data.status + " = " + SQL.string(Build_Log.Session_Status.finished.toString) +
          " AND " + sql_sessions + SQL.enclose(sql) +
          " ORDER BY " + Build_Log.Data.pull_date + " DESC")
    }
  }

  val standard_profiles: List[Profile] =
    Jenkins.build_status_profiles ::: Isabelle_Cronjob.build_status_profiles


  sealed case class Data(date: Date, entries: List[(String, List[Session])])
  sealed case class Session(name: String, threads: Int, entries: List[Entry])
  {
    def timing: Timing = if (entries.isEmpty) Timing.zero else entries.head.timing
    def ml_timing: Timing = if (entries.isEmpty) Timing.zero else entries.head.ml_timing
    def order: Long = - timing.elapsed.ms
    def check: Boolean = entries.length >= 3
  }
  sealed case class Entry(date: Date, timing: Timing, ml_timing: Timing)


  /* read data */

  def read_data(options: Options,
    profiles: List[Profile] = standard_profiles,
    progress: Progress = No_Progress,
    history_length: Int = default_history_length,
    only_sessions: Set[String] = Set.empty,
    verbose: Boolean = false): Data =
  {
    val date = Date.now()
    var data_entries = Map.empty[String, Map[String, Session]]

    val store = Build_Log.store(options)
    using(store.open_database())(db =>
    {
      for (profile <- profiles.sortBy(_.description)) {
        progress.echo("input " + quote(profile.description))
        val columns =
          List(
            Build_Log.Data.pull_date,
            Build_Log.Settings.ISABELLE_BUILD_OPTIONS,
            Build_Log.Settings.ML_PLATFORM,
            Build_Log.Data.session_name,
            Build_Log.Data.threads,
            Build_Log.Data.timing_elapsed,
            Build_Log.Data.timing_cpu,
            Build_Log.Data.timing_gc,
            Build_Log.Data.ml_timing_elapsed,
            Build_Log.Data.ml_timing_cpu,
            Build_Log.Data.ml_timing_gc)

        val Threads_Option = """threads\s*=\s*(\d+)""".r

        val sql = profile.select(columns, history_length, only_sessions)
        if (verbose) progress.echo(sql)

        db.using_statement(sql)(stmt =>
        {
          val res = stmt.execute_query()
          while (res.next()) {
            val ml_platform = res.string(Build_Log.Settings.ML_PLATFORM)

            val threads =
            {
              val threads1 =
                res.string(Build_Log.Settings.ISABELLE_BUILD_OPTIONS) match {
                  case Threads_Option(Value.Int(i)) => i
                  case _ => 1
                }
              val threads2 = res.get_int(Build_Log.Data.threads).getOrElse(1)
              threads1 max threads2
            }

            val data_name =
              profile.description +
                (if (ml_platform.startsWith("x86_64")) ", 64bit" else "") +
                (if (threads == 1) "" else ", " + threads + " threads")

            val name = res.string(Build_Log.Data.session_name)
            val entry =
              Entry(res.date(Build_Log.Data.pull_date),
                res.timing(
                  Build_Log.Data.timing_elapsed,
                  Build_Log.Data.timing_cpu,
                  Build_Log.Data.timing_gc),
                res.timing(
                  Build_Log.Data.ml_timing_elapsed,
                  Build_Log.Data.ml_timing_cpu,
                  Build_Log.Data.ml_timing_gc))

            val sessions = data_entries.getOrElse(data_name, Map.empty)
            val entries = sessions.get(name).map(_.entries) getOrElse Nil
            val session = Session(name, threads, entry :: entries)
            data_entries += (data_name -> (sessions + (name -> session)))
          }
        })
      }
    })

    Data(date,
      (for {
        (data_name, sessions) <- data_entries.toList
        sorted_sessions <- proper_list(sessions.toList.map(_._2).filter(_.check).sortBy(_.order))
      } yield (data_name, sorted_sessions)).sortBy(_._1))
  }


  /* present data */

  def present_data(data: Data,
    progress: Progress = No_Progress,
    target_dir: Path = default_target_dir,
    image_size: (Int, Int) = default_image_size)
  {
    for ((data_name, sessions) <- data.entries) {
      val dir = target_dir + Path.basic(clean_name(data_name))

      progress.echo("output " + dir)
      Isabelle_System.mkdirs(dir)

      val session_plots =
        Par_List.map((session: Session) =>
          Isabelle_System.with_tmp_file(session.name, "data") { data_file =>
            Isabelle_System.with_tmp_file(session.name, "gnuplot") { gnuplot_file =>

              File.write(data_file,
                cat_lines(
                  session.entries.map(entry =>
                    List(entry.date.unix_epoch.toString,
                      entry.timing.elapsed.minutes,
                      entry.timing.resources.minutes,
                      entry.ml_timing.elapsed.minutes,
                      entry.ml_timing.resources.minutes).mkString(" "))))

              val max_time =
                ((0.0 /: session.entries){ case (m, entry) =>
                  m.max(entry.timing.elapsed.minutes).
                    max(entry.timing.resources.minutes).
                    max(entry.ml_timing.elapsed.minutes).
                    max(entry.ml_timing.resources.minutes) } max 0.1) * 1.1

              def gnuplot(plots: List[String], kind: String): String =
              {
                val plot_name = session.name + "_" + kind + ".png"

                File.write(gnuplot_file, """
set terminal png size """ + image_size._1 + "," + image_size._2 + """
set output """ + quote(File.standard_path(dir + Path.basic(plot_name))) + """
set xdata time
set timefmt "%s"
set format x "%d-%b"
set xlabel """ + quote(session.name) + """ noenhanced
set key left bottom
plot [] [0:""" + max_time + "] " +
                  plots.map(s => quote(data_file.implode) + " " + s).mkString(", ") + "\n")

                val result =
                  Isabelle_System.bash("\"$ISABELLE_GNUPLOT\" " + File.bash_path(gnuplot_file))
                if (!result.ok)
                  result.error("Gnuplot failed for " + data_name + "/" + plot_name).check

                plot_name
              }

              val timing_plots1 =
                List(
                  """ using 1:2 smooth sbezier title "elapsed time (smooth)" """,
                  """ using 1:2 smooth csplines title "elapsed time" """)
              val timing_plots2 =
                List(
                  """ using 1:3 smooth sbezier title "cpu time (smooth)" """,
                  """ using 1:3 smooth csplines title "cpu time" """)
              val timing_plots =
                if (session.threads == 1) timing_plots1
                else timing_plots1 ::: timing_plots2

              val ml_timing_plots =
                List(
                  """ using 1:4 smooth sbezier title "ML elapsed time (smooth)" """,
                  """ using 1:4 smooth csplines title "ML elapsed time" """,
                  """ using 1:5 smooth sbezier title "ML cpu time (smooth)" """,
                  """ using 1:5 smooth csplines title "ML cpu time" """)

              session.name ->
                List(gnuplot(timing_plots, "timing"), gnuplot(ml_timing_plots, "ml_timing"))
            }
          }, sessions).toMap

      File.write(dir + Path.basic("index.html"),
        HTML.output_document(
          List(HTML.title("Isabelle build status for " + data_name)),
          HTML.chapter("Isabelle build status for " + data_name + " (" + data.date + ")") ::
          HTML.itemize(
            sessions.map(session =>
              HTML.link("#session_" + session.name, HTML.text(session.name)) ::
              HTML.text(" (" + session.timing.message_resources + ")"))) ::
          sessions.flatMap(session =>
            List(
              HTML.section(session.name) + HTML.id("session_" + session.name),
              HTML.par(
                HTML.itemize(List(
                  HTML.bold(HTML.text("timing: ")) :: HTML.text(session.timing.message_resources),
                  HTML.bold(HTML.text("ML timing: ")) ::
                    HTML.text(session.ml_timing.message_resources))) ::
                session_plots.getOrElse(session.name, Nil).map(HTML.image(_)))))))
    }

    File.write(target_dir + Path.basic("index.html"),
      HTML.output_document(
        List(HTML.title("Isabelle build status")),
        List(HTML.chapter("Isabelle build status (" + data.date + ")"),
          HTML.itemize(data.entries.map({ case (data_name, _) =>
            List(HTML.link(clean_name(data_name) + "/index.html", HTML.text(data_name))) })))))
  }


  /* Isabelle tool wrapper */

  val isabelle_tool =
    Isabelle_Tool("build_status", "present recent build status information from database", args =>
    {
      var target_dir = default_target_dir
      var only_sessions = Set.empty[String]
      var history_length = default_history_length
      var options = Options.init()
      var image_size = default_image_size
      var verbose = false

      val getopts = Getopts("""
Usage: isabelle build_status [OPTIONS]

  Options are:
    -D DIR       target directory (default """ + default_target_dir + """)
    -S SESSIONS  only given SESSIONS (comma separated)
    -l LENGTH    length of history (default """ + default_history_length + """)
    -o OPTION    override Isabelle system OPTION (via NAME=VAL or NAME)
    -s WxH       size of PNG image (default """ + image_size._1 + "x" + image_size._2 + """)
    -v           verbose

  Present performance statistics from build log database, which is specified
  via system options build_log_database_host, build_log_database_user etc.
""",
        "D:" -> (arg => target_dir = Path.explode(arg)),
        "S:" -> (arg => only_sessions = space_explode(',', arg).toSet),
        "l:" -> (arg => history_length = Value.Int.parse(arg)),
        "o:" -> (arg => options = options + arg),
        "s:" -> (arg =>
          space_explode('x', arg).map(Value.Int.parse(_)) match {
            case List(w, h) if w > 0 && h > 0 => image_size = (w, h)
            case _ => error("Error bad PNG image size: " + quote(arg))
          }),
        "v" -> (_ => verbose = true))

      val more_args = getopts(args)
      if (more_args.nonEmpty) getopts.usage()

      val progress = new Console_Progress

      val data =
        read_data(options, progress = progress, history_length = history_length,
          only_sessions = only_sessions, verbose = verbose)

      present_data(data, progress = progress, target_dir = target_dir, image_size = image_size)

  }, admin = true)
}