Megatest

  (let* ((parts (string-split dbstr ":"))
	 (dbpth (if (< (length parts) 2) ;; assume then a filename was provided
		    dbstr
		    (if (equal? (car parts) "sqlite3")
			(cadr parts)
			(begin
			  (debug:print 0 *default-log-port* "ERROR: I only know sqlite3 databases for now: " dbstr)
			  #f)))))
    (if (and dbpth (file-read-access? dbpth))
	(let ((db (sqlite3:open-database dbpth))) ;; (open-database dbpth)))
	  (sqlite3:set-busy-handler! db (make-busy-timeout 10000))
	  db)
	#f)))

;; sqlite3:path tablename timefieldname varfieldname field1 field2 ...
;;
(define (dboard:graph-read-data cmdstring tstart tend)
  (let* ((parts (string-split cmdstring))) ;; spaces not allowed
    (if (< (length parts) 6) ;; sqlite3:path tablename timefieldname varfname valfname field1 field2 ...
	(debug:print 0 *default-log-port* "ERROR: malformed graph line: " cmdstring)
	(let* ((dbdef  (list-ref parts 0))
	       (tablen (list-ref parts 1))
	       (timef  (list-ref parts 2))
	       (varfn  (list-ref parts 3))
	       (valfn  (list-ref parts 4))
	       (fields (cdr  (cddddr parts)))
	       (db     (dboard:graph-db-open dbdef))
	       (res    (make-hash-table)))
	  (if db
	      (begin
		(for-each
		 (lambda (fieldname) ;; fields
		   (let ((qrystr (conc "SELECT " timef "," varfn "," valfn " FROM " tablen " WHERE " varfn "='" fieldname "' AND " timef " >= " tstart " AND " timef " <= " tend " ORDER BY " timef " ASC")))
		     (print "qrystr: " qrystr)
		     (hash-table-set! res fieldname ;; (fetch-rows (sql db qrystr)))))
				      (sqlite3:fold-row
				       (lambda (res t var val)
					 (cons (vector t var val) res))
				       '() db qrystr))))
		 fields)
		res)
	      #f)))))
  
;; graph data 
;;  tsc=timescale, tfn=function; time->x
;;
(define (dboard:graph commondat tabdat tabnum llx lly ulx uly tstart tend tsc tfn compname cmargin)
  (let* ((dwg (dboard:tabdat-drawing tabdat))
	 (lib (vg:get/create-lib dwg "runslib"))
	 (cnv (dboard:tabdat-cnv tabdat))
	 (dur (- tstart tend)) ;; time duration
	 (cmp (vg:get-component dwg "runslib" compname))
	 (cfg (configf:get-section *configdat* "graph")))
    (vg:add-obj-to-comp
     cmp 
     (vg:make-rect-obj llx lly ulx uly))
    (for-each 
     (lambda (cf)
       (let* ((alldat  (dboard:graph-read-data (cadr cf) tstart tend)))
	 (if alldat
	     (for-each
	      (lambda (fieldn)
		(let* ((dat     (hash-table-ref alldat fieldn ))
		       (vals    (map (lambda (x)(vector-ref x 2)) dat)))
		  (if (not (null? vals))
		      (let* ((maxval  (apply max vals))
			     (minval  (apply min vals))
			     (yoff    (- lly minval))
			     (yscale  (/ (- maxval minval)(- uly lly)))
			     (yfunc   (lambda (y)(* (+ y yoff) yscale))))
			;; (print (car cf) ": " (hash-table->alist
			(for-each
			 (lambda (dpt)
			   (let* ((tval  (vector-ref dpt 0))
				  (yval  (vector-ref dpt 2))
				  (stval (tfn tval))
				  (syval (yfunc yval)))
			     (vg:add-obj-to-comp
			      cmp 
			      (vg:make-rect-obj (- stval 2) lly (+ stval 2)(+ lly (* yval yscale))
						fill-color: (vg:rgb->number 50 50 50)))))
			 dat))))) ;; for each data point in the series
	      (hash-table-keys alldat)))))
     cfg)))
	 

;; run times tab
;;
(define (dashboard:run-times-tab-layout-updater commondat tabdat tab-num)
  ;; each test is an object in the run component

							      text: run-full-name
							      line-color:  (vg:rgb->number  255 0 255 a: 128))))
					;  (vg:components-get-extents d1 c1)))
			    ;; this is the box around the run
			    (mutex-lock! mtx)
			    (vg:add-obj-to-comp runcomp outln)
			    (mutex-unlock! mtx)


			    ;; this is where we have enough info to place the graph
			    (dboard:graph commondat tabdat tab-num llx uly ulx (+ uly graph-height) run-start run-end timescale maptime run-full-name canvas-margin)
			    (dboard:tabdat-max-row-set! tabdat (+ (dboard:tabdat-max-row tabdat)(quotient (+ graph-height 40) row-height)))
			    ;; (vg:instance-move drawing run-full-name 0 (dboard:tabdat-max-row tabdat))
			    ))
			;; end of the run handling loop 
			(if (gotoescape tabdat escape) ;; (dboard:tabdat-layout-update-ok tabdat)
			    (let ((newdoneruns (cons rundat doneruns)))
			      (if (null? runtal)
				  (begin