suzanne.soy/profile
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Move get-times to utils.rkt, to use it from the contract profiler.

Browse Source 
original commit: a3f4e45026338d3fe6b140cba65178af9a3ba2d5
This commit is contained in:
Vincent St-Amour 2013-05-30 14:48:13 -04:00
parent 620ebd0c32
commit eb10f2bf71
2 changed files with 50 additions and 48 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

48
collects/profile/analyzer.rkt
View File

@ -120,54 +120,6 @@
(check-equal? (split-by-thread '([0 x1] [1 y1] [0 x2] [2 z1] [0 x3] [2 z2])) (check-equal? (split-by-thread '([0 x1] [1 y1] [0 x2] [2 z1] [0 x3] [2 z2]))
'#([(x3) (x2) (x1)] [(y1)] [(z2) (z1)]))) '#([(x3) (x2) (x1)] [(y1)] [(z2) (z1)])))
;; gets a list of thread-id and data for that thread beginning with the
;; millisecond count, and returns a similar list where the samples begin with
;; the time spent for that sample. The time spent is taken as half of the two
;; touching ranges; for example, if there are three samples showing snapshot
;; times of 10, 20, 60, then the middle one is assumed to have a time of 25.
;; For the first and last samples, the time is twice the half of the single
;; touching range -- with this example, this would be 10 for the first and 40
;; for the last. If there is a thread with just one sample, it is dropped.
(define (get-times samples)
(cond
;; nothing to do
[(null? samples) '()]
;; throw out a single sample
[(null? (cdr samples)) '()]
[else (let loop ([samples samples]
[prevs (cons #f (map car samples))]
[r '()])
(if (null? samples)
(reverse r)
(let* ([prev (car prevs)]
[cur (caar samples)]
[data (cdar samples)]
[prevs (cdr prevs)]
[samples (cdr samples)]
[next (and (pair? samples) (caar samples))])
(loop samples prevs
(cons (cons (if next
;; not the last: there must be a next
(if prev (/ (- next prev) 2) (- next cur))
;; last one: there must be a prev
(- cur prev))
data)
r)))))]))
(module+ test
(check-equal? (get-times '())
'())
(check-equal? (get-times '([10 a]))
'())
(check-equal? (get-times '([10 a] [20 b]))
'([10 a] [10 b]))
(check-equal? (get-times '([10 a] [20 b] [60 c]))
'([10 a] [25 b] [40 c]))
(check-equal? (get-times '([10 a] [20 b] [30 c] [40 d]))
'([10 a] [10 b] [10 c] [10 d]))
(check-equal? (get-times '([10 a] [20 b] [60 c] [80 d]))
'([10 a] [25 b] [30 c] [20 d])))
;; returns a list of (cons item occurrences) for the items in l ;; returns a list of (cons item occurrences) for the items in l
(define (get-counts l) (define (get-counts l)
(let loop ([l l] [r '()]) (let loop ([l l] [r '()])

50
collects/profile/utils.rkt
View File

@ -171,3 +171,53 @@
;; can be there with another node, eg (* -> A 2-> B 3-> A)), but be safe and ;; can be there with another node, eg (* -> A 2-> B 3-> A)), but be safe and
;; look for any empty layer ;; look for any empty layer
(filter pair? (vector->list layers))) (filter pair? (vector->list layers)))
;; gets a list of thread-id and data for that thread beginning with the
;; millisecond count, and returns a similar list where the samples begin with
;; the time spent for that sample. The time spent is taken as half of the two
;; touching ranges; for example, if there are three samples showing snapshot
;; times of 10, 20, 60, then the middle one is assumed to have a time of 25.
;; For the first and last samples, the time is twice the half of the single
;; touching range -- with this example, this would be 10 for the first and 40
;; for the last. If there is a thread with just one sample, it is dropped.
(provide get-times)
(define (get-times samples)
(cond
;; nothing to do
[(null? samples) '()]
;; throw out a single sample
[(null? (cdr samples)) '()]
[else (let loop ([samples samples]
[prevs (cons #f (map car samples))]
[r '()])
(if (null? samples)
(reverse r)
(let* ([prev (car prevs)]
[cur (caar samples)]
[data (cdar samples)]
[prevs (cdr prevs)]
[samples (cdr samples)]
[next (and (pair? samples) (caar samples))])
(loop samples prevs
(cons (cons (if next
;; not the last: there must be a next
(if prev (/ (- next prev) 2) (- next cur))
;; last one: there must be a prev
(- cur prev))
data)
r)))))]))
(module+ test
(require rackunit)
(check-equal? (get-times '())
'())
(check-equal? (get-times '([10 a]))
'())
(check-equal? (get-times '([10 a] [20 b]))
'([10 a] [10 b]))
(check-equal? (get-times '([10 a] [20 b] [60 c]))
'([10 a] [25 b] [40 c]))
(check-equal? (get-times '([10 a] [20 b] [30 c] [40 d]))
'([10 a] [10 b] [10 c] [10 d]))
(check-equal? (get-times '([10 a] [20 b] [60 c] [80 d]))
'([10 a] [25 b] [30 c] [20 d])))