src/Pure/Admin/profiling_report.scala

+/*  Title:      Pure/Admin/profiling_report.scala
+    Author:     Makarius
+
+Report Poly/ML profiling information from log files.
+*/
+
+package isabelle
+
+
+import java.util.Locale
+
+
+object Profiling_Report
+{
+  def profiling_report(log_file: Build_Log.Log_File): List[(Long, String)] =
+  {
+    val Line = """^(?:### )?([ 0-9]{10}) (\S+|GARBAGE COLLECTION.*)$""".r
+    val Count = """ *(\d+)""".r
+    val clean = """-?\(\d+\).*$""".r
+
+    var results = Map.empty[String, Long]
+    for (Line(Count(Value.Long(count)), raw_fun) <- log_file.lines) {
+      val fun = clean.replaceAllIn(raw_fun, "")
+      results += (fun -> (results.getOrElse(fun, 0L) + count))
+    }
+    for ((fun, count) <- results.toList.sortBy(_._2)) yield (count, fun)
+  }
+
+
+  /* Isabelle tool wrapper */
+
+  val isabelle_tool =
+    Isabelle_Tool("profiling_report", "report Poly/ML profiling information from log files", args =>
+    {
+      Command_Line.tool0 {
+        val getopts =
+          Getopts("""
+Usage: isabelle profiling_report [LOGS ...]
+
+  Report Poly/ML profiling output from log files (potentially compressed).
+""")
+        val log_names = getopts(args)
+        for (name <- log_names) {
+          val log_file = Build_Log.Log_File(Path.explode(name))
+          val results =
+            for ((count, fun) <- profiling_report(log_file))
+              yield
+                String.format(Locale.ROOT, "%14d %s",
+                  count.asInstanceOf[AnyRef], fun.asInstanceOf[AnyRef])
+          if (results.nonEmpty)
+            Output.writeln(cat_lines((log_file.name + ":") :: results))
+        }
+      }
+    })
+}