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;;
;; [hosts]
;; arm cubie01 cubie02
;; x86_64 zeus xena myth01
;; allhosts #{g hosts arm} #{g hosts x86_64}
;;
;; [host-types]
;; C/M/A lets megatest know this launcher provides C cores, M bytes memory for architecture A
;; 2/2G/arm smart -cores 2 -memory 2G -arch arm
;; general #MTLOWESTLOAD #{g hosts allhosts}
;; arm #MTLOWESTLOAD #{g hosts arm}
;; nbgeneral nbjob run JOBCOMMAND -log $MT_LINKTREE/$MT_TARGET/$MT_RUNNAME.$MT_TESTNAME-$MT_ITEM_PATH.lgo
;;
;; NOTE: host-rules is ONLY used for MTLOWESTLOAD
;;
;; [host-rules]
;; # maxnload => max normalized load
;; # maxnjobs => max jobs per cpu
;; # maxjobrate => max jobs per second
;; general maxnload=1.1; maxnjobs=1.2; maxjobrate=0.1
;;
;; [launchers]
;; envsetup general
;; xor/%/n 4C16G
;; xor/%/n 2/2G/arm
;; % nbgeneral
;;
;; [jobtools]
;; # if defined and not "no" flexi-launcher will bypass "launcher" unless no match.
;; flexi-launcher yes
;; launcher nbfake
;; mode adjutant|normal (default is normal)
;;
(define (common:get-launcher configdat testname itempath)
;;
;;
;; mode is 'normal (i.e. directly use launcher) or 'adjutant (i.e. use adjutant)
;;
(define (common:get-launcher configdat testname itempath mode)
(let ((fallback-launcher (configf:lookup configdat "jobtools" "launcher")))
(if (and (configf:lookup configdat "jobtools" "flexi-launcher") ;; overrides launcher
(not (equal? (configf:lookup configdat "jobtools" "flexi-launcher") "no")))
(let* ((launchers (hash-table-ref/default configdat "launchers" '())))
(if (null? launchers)
fallback-launcher
(let loop ((hed (car launchers))
(tal (cdr launchers)))
(let ((patt (car hed))
(host-type (cadr hed)))
(if (tests:match patt testname itempath)
(if (tests:match patt testname itempath) ;; have a launcher match for this test
(begin
(debug:print-info 2 *default-log-port* "Have flexi-launcher match for " testname "/" itempath " = " host-type)
(let ((launcher (configf:lookup configdat "host-types" host-type)))
(let ((launcher (configf:lookup configdat "host-types" host-type))) ;; find the actual launcher from the host-types table
;; if we are in adjutant mode then we want to return both host-type and launcher
(if launcher
(let* ((launcher-parts (string-split launcher))
(launcher-exe (car launcher-parts)))
(if (equal? launcher-exe "#MTLOWESTLOAD") ;; this is our special case, we will find the lowest load and craft a nbfake commandline
(let host-loop ((targ-host (common:get-least-loaded-host (cdr launcher-parts) host-type configdat))
(count 100))
(if targ-host
(conc "remrun " targ-host)
(if (> count 0)
(begin
(debug:print 0 *default-log-port* "INFO: Waiting for a host for host-type " host-type)
(thread-sleep! (- 101 count))
(host-loop (common:get-least-loaded-host (cdr launcher-parts) host-type configdat)
(- count 1)))
(begin
(debug:print 0 *default-log-port* "FATAL: Failed to find a host from #MTLOWESTLOAD for host-type " host-type)
(exit)))))
(case mode
((adjutant) (list host-type launcher))
launcher))
(else launcher))))
(begin
(debug:print-info 0 *default-log-port* "WARNING: no launcher found for host-type " host-type)
(if (null? tal)
fallback-launcher
(loop (car tal)(cdr tal)))))))
;; no match, try again
(if (null? tal)
|