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;;;; chicken-profile.scm - Formatted display of profile outputs - felix -*- Scheme -*-
;
; Copyright (c) 2000-2005, Felix L. Winkelmann
; All rights reserved.
;
; Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following
; conditions are met:
;
; Redistributions of source code must retain the above copyright notice, this list of conditions and the following
; disclaimer.
; Redistributions in binary form must reproduce the above copyright notice, this list of conditions and the following
; disclaimer in the documentation and/or other materials provided with the distribution.
; Neither the name of the author nor the names of its contributors may be used to endorse or promote
; products derived from this software without specific prior written permission.
;
; THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND ANY EXPRESS
; OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
; AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR
; CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
; CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
; SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
; THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
; OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
; POSSIBILITY OF SUCH DAMAGE.
;
; Send bugs, suggestions and ideas to:
;
; felix@call-with-current-continuation.org
;
; Felix L. Winkelmann
; Unter den Gleichen 1
; 37130 Gleichen
; Germany
(declare
(block)
(uses srfi-1))
(define sort-by #f)
(define file #f)
(define no-unused #f)
(define (print-usage)
(display #<<EOF
Usage: chicken-profile [FILENAME | OPTION] ...
-sort-by-calls Sort output by call frequency
-sort-by-time Sort output by procedure execution time
-sort-by-avg Sort output by average procedure execution time
-sort-by-name Sort output alphabetically by procedure name
-no-unused Remove procedures that are never called
-help Show this text
FILENAME defaults to "PROFILE"
EOF
)
(exit 64) )
(define (run args)
(let loop ([args args])
(if (null? args)
(begin
(unless file (set! file "PROFILE"))
(write-profile) )
(let ([arg (car args)]
[rest (cdr args)] )
(match arg
[(or "-h" "-help" "--help") (print-usage)]
["-no-unused" (set! no-unused #t)]
["-sort-by-calls" (set! sort-by sort-by-calls)]
["-sort-by-time" (set! sort-by sort-by-time)]
["-sort-by-avg" (set! sort-by sort-by-avg)]
["-sort-by-name" (set! sort-by sort-by-name)]
[_ (cond [(and (> (string-length arg) 1) (char=? #\- (string-ref arg 0)))
(error "invalid option" arg) ]
[file (print-usage)]
[else (set! file arg)] ) ] )
(loop rest) ) ) ) )
(define (sort-by-calls x y)
(let ([c1 (second x)]
[c2 (second y)] )
(if (= c1 c2)
(> (third x) (third y))
(> c1 c2) ) ) )
(define (sort-by-time x y)
(let ([c1 (third x)]
[c2 (third y)] )
(if (= c1 c2)
(> (second x) (second y))
(> c1 c2) ) ) )
(define (sort-by-avg x y)
(let ([c1 (cadddr x)]
[c2 (cadddr y)] )
(if (= c1 c2)
(> (third x) (third y))
(> c1 c2) ) ) )
(define (sort-by-name x y)
(string<? (symbol->string (first x)) (symbol->string (first y))) )
(set! sort-by sort-by-time)
(define (read-profile)
(let ((hash (make-hash-table eq?)))
(do ((line (read) (read)))
((eof-object? line))
(hash-table-set! hash (first line)
(map + (hash-table-ref/default hash (first line) '(0 0)) (cdr line))))
(hash-table->alist hash)))
(define (format-string str cols #!optional right (padc #\space))
(let* ((len (string-length str))
(pad (make-string (fxmax 0 (fx- cols len)) padc)) )
(if right
(string-append pad str)
(string-append str pad) ) ) )
(define (format-real n cols fcols)
(let ((an (abs n)))
(format-string
(string-append
(number->string (inexact->exact (truncate n)))
"."
(let ((fstr (format-string (substring (number->string (exact->inexact (- an (truncate an)))) 2) fcols #f #\0)))
(substring fstr 0 (fxmin (string-length fstr) fcols))) )
cols #t #\space) ) )
(define (write-profile)
(let* ([data0 (with-input-from-file file read-profile)]
[max-t (fold (lambda (t result)
(max (third t) result))
0
data0)]
[data (sort (map
(lambda (t) (append t (let ((c (second t))
(t (third t)))
(list (or (and (> c 0) (/ t c))
0)
(or (and (> max-t 0) (* (/ t max-t) 100))
0)
))))
data0)
sort-by)]
[line (make-string 79 #\-)] )
(print (format-string "procedure" 38)
" "
(format-string "calls" 9 #t)
" "
(format-string "seconds" 9 #t)
" "
(format-string "average" 9 #t)
" "
(format-string "percent" 8 #t) )
(print line)
(for-each
(lambda (entry)
(let ([c (second entry)]
[t (third entry)]
[a (cadddr entry)]
[p (list-ref entry 4)] )
(unless (and (zero? c) no-unused)
(print (format-string (##sys#symbol->qualified-string (first entry)) 38)
" "
(format-string (number->string c) 9 #t)
" "
(format-real (/ t 1000) 9 3)
" "
(format-real (/ a 1000) 9 3)
" "
(format-real p 8 4) ) ) ) )
data) ) )
(run (command-line-arguments))
|
