code: def tracker_index():
      
      stats = server.stats
      if stats and stats.snapshots:
          stats.annotate()
          timeseries = []
          for cls in stats.tracked_classes:
              series = []
              for snapshot in stats.snapshots:
                  series.append(snapshot.classes.get(cls, {}).get('sum', 0))
              timeseries.append((cls, series))
  
          series = [s.overhead for s in stats.snapshots]
          timeseries.append(("Profiling overhead", series))
  
          if stats.snapshots[0].system_total.data_segment:
              # Assume tracked data resides in the data segment
              series = [s.system_total.data_segment - s.tracked_total - s.overhead
                        for s in stats.snapshots]
              timeseries.append(("Data segment", series))
              series = [s.system_total.code_segment for s in stats.snapshots]
              timeseries.append(("Code segment", series))
              series = [s.system_total.stack_segment for s in stats.snapshots]
              timeseries.append(("Stack segment", series))
              series = [s.system_total.shared_segment for s in stats.snapshots]
              timeseries.append(("Shared memory", series))
          else:
              series = [s.total - s.tracked_total - s.overhead
                        for s in stats.snapshots]
              timeseries.append(("Other", series))
          return dict(snapshots=stats.snapshots, timeseries=timeseries)
      else:
          return dict(snapshots=[])
docs: Get tracker overview.