85 lines
2.1 KiB
Factor
85 lines
2.1 KiB
Factor
! Copyright (C) 2005, 2008 Slava Pestov.
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! See http://factorcode.org/license.txt for BSD license.
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USING: kernel sequences vectors arrays generic assocs io math
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namespaces parser prettyprint strings io.styles vectors words
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system sorting splitting math.parser classes memory combinators ;
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IN: tools.memory
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<PRIVATE
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: write-size ( n -- )
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number>string
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dup length 4 > [ 3 cut* "," swap 3append ] when
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" KB" append write-cell ;
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: write-total/used/free ( free total str -- )
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[
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write-cell
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dup write-size
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over - write-size
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write-size
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] with-row ;
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: write-total ( n str -- )
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[
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write-cell
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write-size
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[ ] with-cell
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[ ] with-cell
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] with-row ;
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: write-headings ( seq -- )
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[ [ write-cell ] each ] with-row ;
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: (data-room.) ( -- )
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data-room 2 <groups> dup length [
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[ first2 ] [ number>string "Generation " prepend ] bi*
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write-total/used/free
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] 2each
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"Cards" write-total ;
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: write-labelled-size ( n string -- )
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[ write-cell write-size ] with-row ;
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: (code-room.) ( -- )
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code-room {
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[ "Size:" write-labelled-size ]
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[ "Used:" write-labelled-size ]
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[ "Total free space:" write-labelled-size ]
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[ "Largest free block:" write-labelled-size ]
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} spread ;
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: heap-stat-step ( counts sizes obj -- )
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[ dup size swap class rot at+ ] keep
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1 swap class rot at+ ;
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PRIVATE>
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: room. ( -- )
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"==== DATA HEAP" print
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standard-table-style [
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{ "" "Total" "Used" "Free" } write-headings
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(data-room.)
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] tabular-output
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nl
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"==== CODE HEAP" print
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standard-table-style [
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(code-room.)
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] tabular-output ;
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: heap-stats ( -- counts sizes )
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H{ } clone H{ } clone
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[ >r 2dup r> heap-stat-step ] each-object ;
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: heap-stats. ( -- )
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heap-stats dup keys natural-sort standard-table-style [
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{ "Class" "Bytes" "Instances" } write-headings
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[
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[
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dup pprint-cell
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dup pick at pprint-cell
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pick at pprint-cell
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] with-row
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] each 2drop
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] tabular-output ;
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