Megatest

				    (if (string? jobg-count)
					(string->number jobg-count)
					jobg-count))))
    (if (> (+ num-running num-running-in-jobgroup) 0)
	(runs:inc-can-run-more-tests-count runsdat)) ;; (set! *runs:can-run-more-tests-count* (+ *runs:can-run-more-tests-count* 1)))
    (if (not (eq? *last-num-running-tests* num-running))
	(begin
	  (debug:print 1 *default-log-port* "max-concurrent-jobs: " max-concurrent-jobs ", num-running: " num-running)
	  (set! *last-num-running-tests* num-running)))
    (if (not (eq? 0 *globalexitstatus*))
	(list #f num-running num-running-in-jobgroup max-concurrent-jobs job-group-limit)
	(let ((can-not-run-more (cond
				 ;; if max-concurrent-jobs is set and the number running is greater 
				 ;; than it then cannot run more jobs
				 ((and max-concurrent-jobs (>= num-running max-concurrent-jobs))

    ;;======================================================================
    ;; refactoring this block into tests:get-full-data
    ;;
    ;; What happended, this code is now duplicated in tests!?
    ;;
    ;;======================================================================
    
    (if (not (null? test-names)) ;; BEGIN test-names loop
	(let loop ((hed (car test-names))   ;; NOTE: This is the main loop that iterates over the test-names
		   (tal (cdr test-names)))         ;; 'return-procs tells the config reader to prep running system but return a proc
	  (change-directory *toppath*) ;; PLEASE OPTIMIZE ME!!! I think this should be a no-op but there are several places where change-directories could be happening.
	  (setenv "MT_TEST_NAME" hed) ;; 
	  (let*-values (((waitons waitors config)(tests:get-waitons hed all-tests-registry)))
	    (debug:print-info 8 *default-log-port* "waitons: " waitons)
	    ;; check for hed in waitons => this would be circular, remove it and issue an
	    ;; error
	    (if (or (member hed waitons)
		    (member hed waitors))
		(begin
		  (debug:print-error 0 *default-log-port* "test " hed " has listed itself as a waiton or waitor, please correct this!")
		  (set! waitons (filter (lambda (x)(not (equal? x hed))) waitons))
		  (set! waitors (filter (lambda (x)(not (equal? x hed))) waitors))))
	    
	    ;; (items   (items:get-items-from-config config)))
	    (if (not (hash-table-ref/default test-records hed #f))
		(hash-table-set! test-records ;; BB: we are doing a manual make-tests:testqueue
				 hed (vector hed     ;; 0 ;; testname
					     config  ;; 1 
					     waitons ;; 2 
					     (config-lookup config "requirements" "priority")     ;; priority 3
					     (tests:get-items config) ;; 4 ;; expand the [items] and or [itemstable] into explict items
					     #f      ;; itemsdat 5
					     #f      ;; spare - used for item-path
					     waitors ;; 
					     )))
	    (for-each 
	     (lambda (waiton)
	       (if (and waiton (not (member waiton test-names)))
		   (let* ((waiton-record   (hash-table-ref/default test-records waiton #f))
			  (waiton-tconfig  (if waiton-record (vector-ref waiton-record 1) #f))
			  (waiton-itemized (and waiton-tconfig
						(or (hash-table-ref/default waiton-tconfig "items" #f)
						    (hash-table-ref/default waiton-tconfig "itemstable" #f))))
			  (itemmaps        (tests:get-itemmaps config))  ;; (configf:lookup config "requirements" "itemmap"))
			  (new-test-patts  (tests:extend-test-patts test-patts hed waiton itemmaps)))   ;; BB:  items expanded here.
		     (debug:print-info 0 *default-log-port* "Test " waiton " has " (if waiton-record "a" "no") " waiton-record and" (if waiton-itemized " " " no ") "items")
		     ;; need to account for test-patt here, if I am test "a", selected with a test-patt of "hed/b%"
		     ;; and we are waiting on "waiton" we need to add "waiton/,waiton/b%" to test-patt
		     ;; is this satisfied by merely appending "/" to the waiton name added to the list?
		     ;;
		     ;; This approach causes all of the items in an upstream test to be run 

		     ;; (set! test-names (cons waiton test-names))))) ;; was an append, now a cons
		     )))
	     (delete-duplicates (append waitons waitors)))
	    (let ((remtests (delete-duplicates (append waitons tal))))
	      (if (not (null? remtests))
		  (begin
		    ;; (debug:print-info 0 *default-log-port* "Preprocessing continues for " (string-intersperse remtests ", "))
		    (loop (car remtests)(cdr remtests)))))))) ;; END test-names loop

    (if (not (null? required-tests))
	(debug:print-info 1 *default-log-port* "Adding \"" (string-intersperse required-tests " ") "\" to the run queue"))
    ;; NOTE: these are all parent tests, items are not expanded yet.
    (debug:print-info 4 *default-log-port* "test-records=" (hash-table->alist test-records))
    (let ((reglen (configf:lookup *configdat* "setup" "runqueue")))
      (if (> (length (hash-table-keys test-records)) 0)
	  (let* ((keep-going        #t)
		 (run-queue-retries 5)
		 (th1        (make-thread (lambda ()
					    (handle-exceptions
						exn
						(begin
						  (print-call-chain)
						  (print " message: " ((condition-property-accessor 'exn 'message) exn)))
					      (runs:run-tests-queue run-id runname test-records keyvals flags test-patts required-tests
								    (any->number reglen) all-tests-registry)))
					  "runs:run-tests-queue"))
		 (th2        (make-thread (lambda ()			 ;; BBQ: why are we visiting ALL runs here?	    
					    ;; (rmt:find-and-mark-incomplete-all-runs))))) CAN'T INTERRUPT IT ...
					    (let ((run-ids (rmt:get-all-run-ids)))
					      (for-each (lambda (run-id)
							  (if keep-going
							      (handle-exceptions
							       exn
							       (debug:print 0 *default-log-port* "error in calling find-and-mark-incomplete for run-id " run-id)
							       (rmt:find-and-mark-incomplete run-id #f)))) ;; ovr-deadtime))) ;; could be root of https://hsdes.intel.com/appstore/article/#/220546828/main -- Title: Megatest jobs show DEAD even though they are still running (1.64/27)
							run-ids)))
					  "runs: mark-incompletes")))
	    (thread-start! th1)
	    (thread-start! th2)
	    (thread-join! th1)
	    (set! keep-going #f)
	    (thread-join! th2)

;; this is the list of parameters to the named loop "loop" near the top of runs:run-tests-queue, look around line 1216
;;
(define (runs:loop-values tal reg reglen regfull reruns)
  (list (runs:queue-next-hed tal reg reglen regfull)      ;; hed
        (runs:queue-next-tal tal reg reglen regfull)      ;; tal
        (runs:queue-next-reg tal reg reglen regfull)      ;; reg
        reruns))                                          ;; reruns

;; objective - iterate thru tests
;;    => want to prioritize tests we haven't seen before
;;    => sometimes need to squeeze things in (added to reg)
;;    => review of a previously seen test is higher priority of never visited test
;; reg - list of previously visited tests
;; tal - list of never visited tests
;;   prefer next hed to be from reg than tal.



(define runs:nothing-left-in-queue-count 0)

;; BB: for future reference - suspect target vars are not expanded to env vars at this point (item expansion using [items]\nwhatever [system echo $TARGETVAR] doesnt work right whereas [system echo #{targetvar}] does.. Tal and Randy have tix on this.  on first pass, var not set, on second pass, ok.

;; return value of runs:expand-items is passed back to runs-tests-queue and is fed to named loop with this signature:
;;    (let loop ((hed         (car sorted-test-names))
;;	         (tal         (cdr sorted-test-names))
;;	         (reg         '()) ;; registered, put these at the head of tal 
;;	         (reruns      '()))

;; runs:expand-items: for a given test, expand its items into real tests ready to be processed at this time
;;  this procedure's operation only makes sense in context of runs-tests-queue.
(define (runs:expand-items hed tal reg reruns regfull newtal jobgroup max-concurrent-jobs run-id waitons item-path testmode test-record can-run-more items runname tconfig reglen test-registry test-records itemmaps)
  (let* ((loop-list       (list hed tal reg reruns))
	 (prereqs (let ((res (rmt:get-prereqs-not-met run-id waitons hed item-path mode: testmode itemmaps: itemmaps)))
			    (if (list? res)
				res
				(begin
				  (debug:print 0 *default-log-port*
					       "ERROR: rmt:get-prereqs-not-met returned non-list!\n"
					       "  res=" res " run-id=" run-id " waitons=" waitons " hed=" hed " item-path=" item-path " testmode=" testmode " itemmaps=" itemmaps)
				  '()))))
         (have-itemized (not (null? (lset-intersection eq? testmode '(itemmatch itemwait)))))
         (ok-statuses '("PASS" "WARN" "CHECK" "WAIVED" "SKIP"))

         ;; (prereqs-not-met
         ;;  (filter (lambda (test)
         ;;               (if (vector? test)  ;; BB: result may be a collection of strings or test vectors-- why not just test vectors?
         ;;                   (let ((testname (db:test-get-testname test))
         ;;                         (itempath (db:test-get-item-path test))
         ;;                         (state (db:test-get-state test) )
         ;;                         (status (db:test-get-status test)))
         ;;                     (cond
         ;;                      ((and (equal? state "COMPLETED") (member status ok-statuses)) #f)
         ;;                      ((and have-itemized (equal? "" itempath) (member testname prereq-tests-some-items-passed-list)) #f)
         ;;                      (else #t)))
         ;;                   test))
         ;;             (delete-duplicates prereqs)))

         (prereq-items-completed
          (filter (lambda (test)
                       (if (vector? test)  ;; BB: result may be a collection of strings or test vectors-- why not just test vectors?
                           (let ((testname (db:test-get-testname test))
                                 (itempath (db:test-get-item-path test))
                                 (state (db:test-get-state test) )
                                 (status (db:test-get-status test)))
                             (cond
                              ((equal? state "COMPLETED") #t)
                              ((not (equal? "" itempath))  #f)
                              (else #f)))
                           #f))
                       prereqs))

          
	 ;; (prereqs-not-met (mt:lazy-get-prereqs-not-met run-id waitons item-path mode: testmode itemmap: itemmap))
	 (fails           (runs:calc-fails prereqs)) ;; prereqs 
	 (prereq-fails    (runs:calc-prereq-fail prereqs)) ;; filter - get NOT_STARTED's which are not status n/a or KEEP_TRYING
	 (non-completed   (runs:calc-not-completed prereqs))
	 (runnable-prereqs       (runs:calc-runnable prereqs))
         
         (unexpanded-prereqs
          (filter (lambda (testname)
                    (let* ((test-rec (hash-table-ref test-records testname))
                           (items       (tests:testqueue-get-items  test-rec)))
                      (BB> "HEY " testname "=>"items)
                      (or (procedure? items)(eq? items 'have-procedure))))
                  waitons))
         (completed-prereq-items 
          (let ((foo (begin (BB> "hello prereqs: "prereqs) #t))
                (res (filter (lambda (test)
                               (BB> "foo - "test)
                               (and (vector? test)
                                    (equal? "COMPLETED" (db:test-get-state test))
                                    (equal? "COMPLETED" (db:test-get-state test))
                                    (not (equal? "" (db:test-get-item-path test)))))
                             prereqs)))
            res)) 

         )
    (debug:print-info 4 *default-log-port* "START OF INNER COND #2 "
		      "\n can-run-more:            " can-run-more
		      "\n testname:                " hed
		      "\n prereqs:                 " (runs:pretty-string prereqs)
                      "\n completed-prereq-items:  " (runs:pretty-string completed-prereq-items)
		      "\n non-completed:           " (runs:pretty-string non-completed) 
		      "\n prereq-fails:            " (runs:pretty-string prereq-fails)
                      "\n runnable-prereqs:        " (runs:pretty-string runnable-prereqs)
		      "\n fails:                   " (runs:pretty-string fails)
		      "\n testmode:                " testmode
		      "\n (member 'toplevel testmode): " (member 'toplevel testmode)
		      "\n (null? non-completed):      " (null? non-completed)
		      "\n reruns:                  " reruns
		      "\n items:                   " items
		      "\n unexpanded-prereqs:      " unexpanded-prereqs ;;all-prereqs-expanded
                      "\n completed-prereq-items:  " completed-prereq-items
                      "\n have-itemized:           " have-itemized
		      "\n can-run-more:            " can-run-more)
    
    (BB> "before runs:expand-items cond")
    (let ((res
           (cond
            ;; all prereqs met, fire off the test
            ;; or, if it is a 'toplevel test and all prereqs not met are COMPLETED then launch
            ;; runs:expand-items case: test of interest not toplevel and IS blackballed -> ???
            ((and (not (member 'toplevel testmode)) ;; test has been blackballed elsewhere
                  (member (hash-table-ref/default test-registry (db:test-make-full-name hed item-path) 'n/a)
                          '(DONOTRUN removed CANNOTRUN))) ;; *common:cant-run-states-sym*) ;; '(COMPLETED KILLED WAIVED UNKNOWN INCOMPLETE)) ;; try to catch repeat processing of COMPLETED tests here
             (BB> "cb1")
             
             (debug:print-info 1 *default-log-port* "Test " hed " set to \"" (hash-table-ref test-registry (db:test-make-full-name hed item-path)) "\". Removing it from the queue")
             (if (or (not (null? tal))
                     (not (null? reg))) 
                 (runs:loop-values tal reg reglen regfull reruns) ;; blackballed test - throw it away
                 (begin
                   (debug:print-info 0 *default-log-port* "Nothing left in the queue!")
                   ;; If get here twice then we know we've tried to expand all items
                   ;; since there must be a logic issue with the handling of loops in the 
                   ;; items expand phase we will brute force an exit here.
                   (if (> runs:nothing-left-in-queue-count 2)
                       (begin
                         (debug:print 0 *default-log-port* "WARNING: this condition is triggered when there were no items to expand and nothing to run. Please check your run for completeness")
                         (exit 0))
                       (set! runs:nothing-left-in-queue-count (+ runs:nothing-left-in-queue-count 1)))
                   #f)))

            ;;; desired result of below cond branch:
            ;;   we want to expand items in our test of interest (hed) in the following cases:
            ;;    case 1 - mode is itemmatch or itemwait: (DONE)
            ;;       - all prereq tests have been expanded
            ;;       - at least one prereq's items have completed
            ;;    case 2 - mode is toplevel   (PARTIAL)
            ;;       - prereqs are completed.
            ;;       - or no prereqs can complete (TODO)
            ;;    case 3 - mode not specified (DONE)
            ;;       - prereqs are completed and passed (we could consider removing "and passed" -- it would change behavior from current)          
                   
            ;; runs:expand-items case: toplevel or else no dangling prerequeistes -- expand items now.
            ((or
              (and have-itemized (null? unexpanded-prereqs) (not (null? completed-prereq-items)))
              (null? prereqs)            ;; nothing is in our way to proceed (need to expand this to an item level check.)
              (and (member 'toplevel testmode)   ;; for toplevel test - proceed (nothing in our way)
                   (null? non-completed)))
             (BB> "cb2")

             (debug:print-info 4 *default-log-port* "runs:expand-items: (or (null? prereqs) (and (member 'toplevel testmode)(null? non-completed)))")
             (let ((test-name (tests:testqueue-get-testname test-record)))
               (setenv "MT_TEST_NAME" test-name) ;; hack to give context to get-items-from-config TODO: call-with-environment-variables
               (setenv "MT_RUNNAME"   runname)   
               (runs:set-megatest-env-vars run-id inrunname: runname) ;; these may be needed by the launching process
               (let ((items-list (items:get-items-from-config tconfig))) ;; BB: RIGHT HERE is where item expansion occurs..  target vars are not expanded to env vars at this point (item expansion using [items]\nwhatever [system echo $TARGETVAR] doesnt work right whereas [system echo #{targetvar}] does.. Tal and Randy have tix on this.
                 (if (list? items-list)
                     (begin                      ;; we have discovered we have items we need to process, so stuff them into test list and recur
                       (if (null? items-list)
                           (let ((test-id   (rmt:get-test-id run-id test-name ""))
                                 (num-items (rmt:test-toplevel-num-items run-id test-name)))
                             (if (and test-id
                                      (not (> num-items 0)))
                                 (mt:test-set-state-status-by-id run-id test-id "NOT_STARTED" "ZERO_ITEMS" "Failed to run due to failed prerequisites"))))
                       (tests:testqueue-set-items! test-record items-list) ; stuffing happens here
                       (list hed tal reg reruns)) ;; return value..
                     (begin
                       (debug:print-error 0 *default-log-port* "The proc from reading the items table did not yield a list - please report this")
                       (exit 1))))))

            ;; runs:expand-items case: no fails, no prereq-fails, some non-completed
            ((and (null? fails)
                  (null? prereq-fails)
                  (not (null? non-completed)))
             (BB> "cb3")
             (let* ((allinqueue (map (lambda (x)(if (string? x) x (db:test-get-testname x)))
                                     (append newtal reruns)))
                    ;; prereqstrs is a list of test names as strings that are prereqs for hed
                    (prereqstrs (delete-duplicates (map (lambda (x)(if (string? x) x (db:test-get-testname x)))
                                                        prereqs)))
                    ;; a prereq that is not found in allinqueue will be put in the notinqueue list
                    ;; 
                    ;; (notinqueue (filter (lambda (x)
                    ;;    		   (not (member x allinqueue)))
                    ;;    		 prereqstrs))
                    (give-up    #f))

               ;; We can get here when a prereq has not been run due to *it* having a prereq that failed.
               ;; We need to use this to dequeue this item as CANNOTRUN
               ;; 
               (if (member 'toplevel testmode) ;; '(toplevel)) ;; NOTE: this probably should be (member 'toplevel testmode)
                   (for-each (lambda (prereq)
                               (if (eq? (hash-table-ref/default test-registry prereq 'justfine) 'CANNOTRUN)
                                   (set! give-up #t)))
                             prereqstrs))

               (if (and give-up
                        (not (and (null? tal)(null? reg))))
                   (let ((trimmed-tal (mt:discard-blocked-tests run-id hed tal test-records))
                         (trimmed-reg (mt:discard-blocked-tests run-id hed reg test-records)))
                     (debug:print 1 *default-log-port* "WARNING: test " hed " has discarded prerequisites, removing it from the queue")

                     (let ((test-id (rmt:get-test-id run-id hed "")))
                       (if test-id (mt:test-set-state-status-by-id run-id test-id "NOT_STARTED" "PREQ_DISCARDED" "Failed to run due to discarded prerequisites")))
                     
                     (if (and (null? trimmed-tal)
                              (null? trimmed-reg))
                         #f
                         (runs:loop-values trimmed-tal trimmed-reg reglen regfull reruns)
                         ))
                   (list (car newtal)(append (cdr newtal) reg) '() reruns))))

            ((and (null? fails) ;; have not-started tests, but unable to run them.  everything looks completed with no prospect of unsticking something that is stuck.  we should mark hed as moribund and exit or continue if there are more tests to consider
                  (null? prereq-fails)
                  (null? non-completed))
             (BB> "cb4")
             (if  (runs:can-keep-running? hed 20)
                  (begin
                    (runs:inc-cant-run-tests hed)
                    (debug:print-info 0 *default-log-port* "no fails in prerequisites for " hed " but also none running, keeping " hed " for now. Try count: " (hash-table-ref/default *seen-cant-run-tests* hed 0)) ;; 
                    ;; getting here likely means the system is way overloaded, kill a full minute before continuing
                    (thread-sleep! 60) ;; TODO: gate by normalized server load > 1.0 (maxload config thing)
                    ;; num-retries code was here
                    ;; we use this opportunity to move contents of reg to tal
                    (list (car newtal)(append (cdr newtal) reg) '() reruns)) ;; an issue with prereqs not yet met?
                  (begin
                    (debug:print-info 1 *default-log-port* "no fails in prerequisites for " hed " but nothing seen running in a while, dropping test " hed " from the run queue")
                    (let ((test-id (rmt:get-test-id run-id hed "")))
                      (if test-id (mt:test-set-state-status-by-id run-id test-id "NOT_STARTED" "TIMED_OUT" "Nothing seen running in a while.")))
                    (runs:loop-values tal reg reglen regfull reruns)
                    )))

            ((and 
              (or (not (null? fails))
                  (not (null? prereq-fails)))
              (member 'normal testmode))
             (BB> "cb5")
             (debug:print-info 1 *default-log-port* "test "  hed " (mode=" testmode ") has failed prerequisite(s); "
                               (string-intersperse (map (lambda (t)(conc (db:test-get-testname t) ":" (db:test-get-state t)"/"(db:test-get-status t))) fails) ", ")
                               ", removing it from to-do list")
             (let ((test-id (rmt:get-test-id run-id hed "")))
               (if test-id
                   (if (not (null? prereq-fails))
                       (mt:test-set-state-status-by-id run-id test-id "NOT_STARTED" "PREQ_DISCARDED" "Failed to run due to prior failed prerequisites")
                       (begin
                         (debug:print 4 *default-log-port*"BB> set PREQ_FAIL on "hed)
                         (mt:test-set-state-status-by-id run-id test-id "NOT_STARTED" "PREQ_FAIL"      "Failed to run due to failed prerequisites"))))) ;; BB: this works, btu equivalent for itemwait mode does not work.
             (if (or (not (null? reg))(not (null? tal)))
                 (begin
                   (hash-table-set! test-registry hed 'CANNOTRUN)
                   (runs:loop-values tal reg reglen regfull (cons hed reruns))
                   )
                 #f)) ;; #f flags do not loop

            ((and (not (null? fails))(member 'toplevel testmode))
             (BB> "cb6")
             (if (or (not (null? reg))(not (null? tal)))
                 (list (car newtal)(append (cdr newtal) reg) '() reruns)
                 #f))
            
            ((null? runnable-prereqs)
             (BB> "cb7")
             #f) ;; if we get here and non-completed is null then it is all over.
            
            (else
             (BB> "cb8")
             (debug:print 0 *default-log-port* "WARNING: FAILS or incomplete tests maybe preventing completion of this run. Watch for issues with test " hed ", continuing for now")
             (list (car newtal)(cdr newtal) reg reruns)))))
      (BB> "after runs:expand-items big cond")
      res)))

(define (runs:mixed-list-testname-and-testrec->list-of-strings inlst)
  (if (null? inlst)
      '()
      (map (lambda (t)
	     (cond
	      ((vector? t)

	       (conc t))))
	   inlst)))


;;  hed tal reg reruns reglen regfull test-record runname test-name item-path jobgroup max-concurrent-jobs run-id waitons item-path testmode test-patts required-tests test-registry registry-mutex flags keyvals run-info newtal all-tests-registry itemmaps)
(define (runs:process-expanded-tests runsdat testdat)
  ;; unroll the contents of runsdat and testdat (due to ongoing refactoring).
  (debug:print 2 *default-log-port* "runs:process-expanded-tests; testdat:" )
  (debug:print 2 *default-log-port* (with-output-to-string
                                            (lambda () (pp (runs:testdat->alist testdat) ))))
  (let* ((hed                    (runs:testdat-hed testdat))
	 (tal                    (runs:testdat-tal testdat))
	 (reg                    (runs:testdat-reg testdat))
	 (reruns                 (runs:testdat-reruns testdat))
	 (test-name              (runs:testdat-test-name testdat))
	 (item-path              (runs:testdat-item-path testdat))
	 (jobgroup               (runs:testdat-jobgroup testdat))

	     (runs:lownoise (conc "waiting on tests " prereqs-not-met hed) 60))
	(debug:print-info 2 *default-log-port* "waiting on tests; " (string-intersperse (runs:mixed-list-testname-and-testrec->list-of-strings prereqs-not-met) ", ")))

    ;; Don't know at this time if the test have been launched at some time in the past
    ;; i.e. is this a re-launch?
    (debug:print-info 4 *default-log-port* "run-limits-info = " run-limits-info)
    
    (cond ; cond 894- 1067
     
     ;; Check item path against item-patts, 
     ;;
     ((not (tests:match test-patts (tests:testqueue-get-testname test-record) item-path required: required-tests)) ;; This test/itempath is not to be run
      ;; else the run is stuck, temporarily or permanently
      ;; but should check if it is due to lack of resources vs. prerequisites
      (debug:print-info 1 *default-log-port* "Skipping " (tests:testqueue-get-testname test-record) " " item-path " as it doesn't match " test-patts)

	    ;; couldn't run, take a breather
	    (if  (runs:lownoise "Waiting for more work to do..." 60)
		 (debug:print-info 0 *default-log-port* "Waiting for more work to do..."))
	    (thread-sleep! 1)
	    (list (car newtal)(cdr newtal) reg reruns))
	  ;; the waiton is FAIL so no point in trying to run hed ever again
	  (if (or (not (null? reg))(not (null? tal)))
	      (if (or (vector? hed)  (not (null? fails))) ;; BB: why do we need a vector?  in my case, fails is populated (prereq failed), reg is not nul, and we really want to drop this one
		  (begin
		    (debug:print 1 *default-log-port* "WARNING: Dropping test " test-name "/" item-path
				 " from the launch list as it has prerequistes that are FAIL")
		    (let ((test-id (rmt:get-test-id run-id hed "")))
		      (if test-id (mt:test-set-state-status-by-id run-id test-id "NOT_STARTED" "PREQ_FAIL" "Failed to run due to failed prerequisites")))
		    (runs:shrink-can-run-more-tests-count runsdat) ;; DELAY TWEAKER (still needed?)
		    ;; (thread-sleep! *global-delta*)
		    ;; This next is for the items

                    (if (not (null? fails))
                        ;;(mt:test-set-state-status-by-testname run-id test-name item-path "NOT_STARTED" "PREQ_FAIL" #f)
                        (rmt:set-state-status-and-roll-up-items run-id test-name item-path "NOT_STARTED" "PREQ_FAIL" #f) 
                        ;;(mt:test-set-state-status-by-testname run-id test-name item-path "NOT_STARTED" "BLOCKED" #f)
                        (rmt:set-state-status-and-roll-up-items run-id test-name item-path "NOT_STARTED" "BLOCKED" #f) )
		    (hash-table-set! test-registry (db:test-make-full-name test-name item-path) 'removed)
		    (runs:loop-values tal reg reglen regfull reruns))
		  (let ((nth-try (hash-table-ref/default test-registry hed 0))) ;; hed not a vector...
                    (debug:print 2 *default-log-port* "nth-try("hed")="nth-try)
		    (cond
		     ((member "RUNNING" (map db:test-get-state prereqs-not-met))
		      (if (runs:lownoise (conc "possible RUNNING prerequistes " hed) 60)
			  (debug:print 0 *default-log-port* "WARNING: test " hed " has possible RUNNING prerequisites, don't give up on it yet."))
		      (thread-sleep! 4)
		      (runs:loop-values tal reg reglen regfull reruns))
		     ((or (not nth-try) ;; BB: condition on subsequent tries, condition below fires on first try 
			  (and (number? nth-try)
			       (< nth-try 10)))
		      (hash-table-set! test-registry hed (if (number? nth-try)
							     (+ nth-try 1)
							     0))
		      (if (runs:lownoise (conc "not removing test " hed) 60)
			  (debug:print 1 *default-log-port* "WARNING: not removing test " hed " from queue although it may not be runnable due to FAILED prerequisites"))
		      ;; may not have processed correctly. Could be a race condition in your test implementation? Dropping test " hed) ;;  " as it has prerequistes that are FAIL. (NOTE: hed is not a vector)")
		      (runs:shrink-can-run-more-tests-count runsdat) ;; DELAY TWEAKER (still needed?)
		      (runs:loop-values newtal reg reglen regfull reruns))
		     ((symbol? nth-try) ;; BB: 'done matches here in one case where prereq itemwait failed.  This is first "try"
		      (if (eq? nth-try 'removed) ;; removed is removed - drop it NOW
			  (if (null? tal)
			      #f ;; yes, really
			      (list (car tal)(cdr tal) reg reruns))
			  (begin
			    (if (runs:lownoise (conc "FAILED prerequisites or other issue" hed) 60)
				(debug:print 0 *default-log-port* "WARNING: test " hed " has FAILED prerequisites or other issue. Internal state >" nth-try "< will be overridden and we'll retry."))
			    (mt:test-set-state-status-by-testname run-id test-name item-path "NOT_STARTED" "KEEP_TRYING" #f)
			    (hash-table-set! test-registry hed 0)
			    (runs:loop-values newtal reg reglen regfull))))
		     (else
		      (if (runs:lownoise (conc "FAILED prerequitests and we tried" hed) 60)
			  (debug:print 0 *default-log-port* "WARNING: test " hed " has FAILED prerequitests and we've tried at least 10 times to run it. Giving up now."))
		      ;; (debug:print 0 *default-log-port* "         prereqs: " prereqs-not-met)

  (debug:print 5 *default-log-port* "test-records: " test-records ", flags: " (hash-table->alist flags))

  ;; Do mark-and-find clean up of db before starting runing of quue
  ;;
  ;; (rmt:find-and-mark-incomplete)

  (let* ((run-info             (rmt:get-run-info run-id))
         (tests-info            (mt:get-tests-for-run run-id #f '() '())) ;;  qryvals: "id,testname,item_path"))
         (sorted-test-names     (tests:sort-by-priority-and-waiton test-records))
         (test-registry         (make-hash-table))
         (registry-mutex        (make-mutex))
         (num-retries           0)
         (max-retries           (config-lookup *configdat* "setup" "maxretries"))
         (max-concurrent-jobs   (configf:lookup-number *configdat* "setup" "max_concurrent_jobs" default: 50))
         (reglen                (if (number? reglen-in) reglen-in 1))
         (last-time-incomplete  (- (current-seconds) 900)) ;; force at least one clean up cycle
         (last-time-some-running (current-seconds))
         ;; (tdbdat                (tasks:open-db))
         (runsdat (make-runs:dat
                   ;; hed: hed
                   ;; tal: tal
                   ;; reg: reg
                   ;; reruns: reruns
                   reglen: reglen
                   regfull: #f ;; regfull
                   ;; test-record: test-record
                   runname: runname
                   ;; test-name: test-name
                   ;; item-path: item-path
                   ;; jobgroup: jobgroup
                   max-concurrent-jobs: max-concurrent-jobs
                   run-id: run-id
                   ;; waitons: waitons
                   ;; testmode: testmode
                   test-patts: test-patts
                   required-tests: required-tests
                   test-registry: test-registry
                   registry-mutex: registry-mutex
                   flags: flags
                   keyvals: keyvals
                   run-info: run-info
                   ;; newtal: newtal
                   all-tests-registry: all-tests-registry
                   ;; itemmaps: itemmaps
                   ;; prereqs-not-met: (rmt:get-prereqs-not-met run-id waitons hed item-path mode: testmode itemmaps: itemmaps)
                   ;; can-run-more-tests: (runs:can-run-more-tests run-id jobgroup max-concurrent-jobs) ;; look at the test jobgroup and tot jobs running
                   )))

    ;; Initialize the test-registery hash with tests that already have a record
    ;; convert state to symbol and use that as the hash value
    (for-each (lambda (trec)
		(let ((id (db:test-get-id        trec))
		      (tn (db:test-get-testname  trec))
		      (ip (db:test-get-item-path trec))

	;; 		       (server:ping (remote-server-url *runremote*)))
	;; 		  (server:check-if-running *toppath*))))
	;;     (server:kind-run *toppath*))
	
	(if (> num-running 0)
	  (set! last-time-some-running (current-seconds)))

        (if (> (current-seconds)(+ last-time-some-running (or (configf:lookup *configdat* "setup" "give-up-waiting") 36000)))
            (hash-table-set! *max-tries-hash* tfullname (+ (hash-table-ref/default *max-tries-hash* tfullname 0) 1)))
	;; (debug:print 0 *default-log-port* "max-tries-hash: " (hash-table->alist *max-tries-hash*))

	;; Ensure all top level tests get registered. This way they show up as "NOT_STARTED" on the dashboard
	;; and it is clear they *should* have run but did not.
	(if (not (hash-table-ref/default test-registry (db:test-make-full-name test-name "") #f))
	    (begin
	      (rmt:register-test run-id test-name "")

		  (loop (runs:queue-next-hed tal reg reglen regfull)
			(runs:queue-next-tal tal reg reglen regfull)
			(runs:queue-next-reg tal reg reglen regfull)
			reruns))))
		  ;; (loop (car tal)(cdr tal) reg reruns))))

	(runs:incremental-print-results run-id)
	(debug:print 1 *default-log-port* "TOP OF LOOP => "
		     "test-name: " test-name
		     "\n  test-record  " test-record
		     "\n  hed:         " hed
		     "\n  itemdat:     " itemdat
		     "\n  items:       " items
		     "\n  item-path:   " item-path
		     "\n  waitons:     " waitons

					    (not (member waiton reruns)))
				       1
				       #f))
				 waitons))))) ;; could do this more elegantly with a marker....
	  (debug:print 0 *default-log-port* "WARNING: Marking test " tfullname " as not runnable. It is waiting on tests that cannot be run. Giving up now.")
	  (hash-table-set! test-registry tfullname 'removed))


         ; BB - a possibility for preqfail propagation
         ;; ((and (not items) (string? item-path) (not (equal? item-path ""))
         ;;       (lset-intersection testmode '(itemmatch itemwait)))

         ;;  )

	 ;; items is #f then the test is ok to be handed off to launch (but not before)
	 ;; 
	 ((not items)
	  (debug:print-info 4 *default-log-port* "OUTER COND: (not items)")
	  (if (and (not (tests:match test-patts (tests:testqueue-get-testname test-record) item-path required: required-tests))
		   (not (null? tal)))
	      (loop (car tal)(cdr tal) reg reruns))

	  (if (null? tal)
	      #f
	      (loop (car tal)(cdr tal) reg reruns)))
	    
	 ;; if items is a proc then need to run items:get-items-from-config, get the list and loop 
	 ;;    - but only do that if resources exist to kick off the job
	 ;; EXPAND ITEMS
         ;; 
         ;; * the condition for (eq? items 'have-procedure) below ensure that runs:expand-items is not called on the same test twice -- expand-items will flatten the procedure to an actual list of items.
	 ((or (procedure? items)(eq? items 'have-procedure)) ;; BB - target vars are env vars here? to allow expansion of [items]\nsomething [system echo $SOMETARGVAR], which is wonky
	  (let ((can-run-more    (runs:can-run-more-tests runsdat run-id jobgroup max-concurrent-jobs)))
	    (if (and (list? can-run-more)
		     (car can-run-more))
		(let ((loop-list (runs:expand-items hed tal reg reruns regfull newtal jobgroup max-concurrent-jobs run-id waitons item-path testmode test-record can-run-more items runname tconfig reglen test-registry test-records itemmaps)))
		  (if loop-list
		      (apply loop loop-list)))

	 ((not (null? tal))
	  (debug:print-info 4 *default-log-port* "I'm pretty sure I shouldn't get here."))
	 ((not (null? reg)) ;; could we get here with leftovers?
	  (debug:print-info 0 *default-log-port* "Have leftovers!")
	  (loop (car reg)(cdr reg) '() reruns))
	 (else
	  (debug:print-info 4 *default-log-port* "Exiting loop with...\n  hed=" hed "\n  tal=" tal "\n  reruns=" reruns))
	 ))) ;; end loop on sorted test names
    
    ;; now *if* -run-wait we wait for all tests to be done
    ;; Now wait for any RUNNING tests to complete (if in run-wait mode)
    (thread-sleep! 5) ;; I think there is a race condition here. Let states/statuses settle
    (let wait-loop ((num-running      (rmt:get-count-tests-running-for-run-id run-id))
		    (prev-num-running 0))
      ;; (debug:print-info 13 *default-log-port* "num-running=" num-running ", prev-num-running=" prev-num-running)
      (if (and (or (args:get-arg "-run-wait")

	    ;; (wait-loop (rmt:get-count-tests-running-for-run-id run-id) num-running))))
	    (wait-loop (rmt:get-count-tests-running-for-run-id run-id) num-running))))
    ;; LET* ((test-record
    ;; we get here on "drop through". All done!
    (runs:run-post-hook run-id)
    (debug:print-info 1 *default-log-port* "All tests launched")))

(define (runs:calc-fails prereqs-not-met) ;; BB is this redundant with runs:runable-tests ?
  (filter (lambda (test)
            (or
             (and (vector? test) ;; not (string? test))
                  (member (db:test-get-status test) '("TEN_STRIKES" "BLOCKED" "PREQ_FAIL" "ZERO_ITEMS" "PREQ_DISCARDED" "TIMED_OUT" "KILLED")))
             (and (vector? test) ;; not (string? test))
                  (member (db:test-get-state test) '("INCOMPLETE" "COMPLETED"))
                  (not (member (db:test-get-status test)
                               '("PASS" "WARN" "CHECK" "WAIVED" "SKIP"))))))
	  prereqs-not-met))

(define (runs:calc-prereq-fail prereqs-not-met)
  (filter (lambda (test)
	    (and (vector? test) ;; not (string? test))
		 (equal? (db:test-get-state test) "NOT_STARTED")
                 (not (member (db:test-get-status test)
			      '("n/a" "KEEP_TRYING")))))
	  prereqs-not-met))

(define (runs:calc-not-completed prereqs-not-met) ;; filter out tests which have reached a ground state -- they are done one way or another.
  (filter 
   (lambda (t)
     (or (not (vector? t))
         (not (member (db:test-get-status t) '("TEN_STRIKES" "BLOCKED" "PREQ_FAIL" "ZERO_ITEMS" "PREQ_DISCARDED" "TIMED_OUT" "KILLED")))
	 (not (member (db:test-get-state t) '("INCOMPLETE" "COMPLETED")))))
   prereqs-not-met))

;; (define (runs:calc-not-completed prereqs-not-met)
;;   (filter
;;    (lambda (t)
;;      (or (not (vector? t))
;; 	 (not (equal? "COMPLETED" (db:test-get-state t)))))
;;    prereqs-not-met))

(define (runs:calc-runnable prereqs-not-met)
  (filter 
   (lambda (t)
     (or (not (vector? t))
	 (and (equal? "NOT_STARTED" (db:test-get-state t))
	      (member (db:test-get-status t)
		      '("n/a" "KEEP_TRYING")))
	 (and (member (db:test-get-state t) '("RUNNING" "LAUNCHED" "REMOTEHOSTSTART" ))))) ;; account for a test that is running
   prereqs-not-met))

(define (runs:pretty-string lst)
  (map (lambda (t)
	 (if (not (vector? t))
	     (conc t)
	     (conc (db:test-get-testname t)"/"(db:test-get-item-path t) ":" (db:test-get-state t) "/" (db:test-get-status t))))
       lst))

;; parent-test is there as a placeholder for when parent-tests can be run as a setup step
;;
(define (run:test run-id run-info keyvals runname test-record flags parent-test test-registry all-tests-registry)
  ;; All these vars might be referenced by the testconfig file reader
  (let* ((test-name    (tests:testqueue-get-testname   test-record))