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add a statprof fixme

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* module/statprof.scm: Add a fixme.
This commit is contained in:
Andy Wingo 2014-02-21 22:18:02 +01:00
parent 4d0c358b4c
commit d20dd74eca
1 changed files with 5 additions and 0 deletions
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module/statprof.scm
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@ -248,6 +248,11 @@
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
;; SIGPROF handler ;; SIGPROF handler
;; FIXME: Instead of this messing about with hash tables and
;; frame-procedure, just record the stack of return addresses into a
;; growable vector, and resolve them to procedures when analyzing
;; instead of at collection time.
;;
(define (sample-stack-procs stack) (define (sample-stack-procs stack)
(let ((stacklen (stack-length stack)) (let ((stacklen (stack-length stack))
(hit-count-call? #f) (hit-count-call? #f)