factor/extra/tools/memory/memory.factor

63 lines
1.6 KiB
Factor

! Copyright (C) 2005, 2007 Slava Pestov.
! See http://factorcode.org/license.txt for BSD license.
USING: kernel sequences vectors arrays generic assocs io math
namespaces parser prettyprint strings io.styles vectors words
system sorting splitting math.parser classes memory ;
IN: tools.memory
: write-total/used/free ( free total str -- )
[
write-cell
dup number>string write-cell
over - number>string write-cell
number>string write-cell
] with-row ;
: write-total ( n str -- )
[
write-cell
number>string write-cell
[ ] with-cell
[ ] with-cell
] with-row ;
: write-headings ( seq -- )
[ [ write-cell ] each ] with-row ;
: (data-room.) ( -- )
data-room 2 <groups> 0 [
"Generation " pick number>string append
>r first2 r> write-total/used/free 1+
] reduce drop
"Cards" write-total ;
: (code-room.) ( -- )
code-room "Code space" write-total/used/free ;
: room. ( -- )
standard-table-style [
{ "" "Total" "Used" "Free" } write-headings
(data-room.)
(code-room.)
] tabular-output ;
: heap-stat-step ( counts sizes obj -- )
[ dup size swap class rot at+ ] keep
1 swap class rot at+ ;
: heap-stats ( -- counts sizes )
H{ } clone H{ } clone
[ >r 2dup r> heap-stat-step ] each-object ;
: heap-stats. ( -- )
heap-stats dup keys natural-sort standard-table-style [
{ "Class" "Bytes" "Instances" } write-headings
[
[
dup pprint-cell
dup pick at pprint-cell
pick at pprint-cell
] with-row
] each 2drop
] tabular-output ;