gc-summary. ( -- )
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Vocabulary
tools.memory

Word description
Prints aggregate garbage collection statistics from the last call to collect-gc-events.

Definition

USING: accessors namespaces prettyprint sequences
tools.memory.private vm ;

IN: tools.memory

: gc-summary. ( -- )
    gc-events get {
        { "Collections:" [ length commas ] }
        {
            "Cards scanned:"
            [ [ cards-scanned>> ] map-sum commas ]
        }
        {
            "Decks scanned:"
            [ [ decks-scanned>> ] map-sum commas ]
        }
        {
            "Code blocks scanned:"
            [ [ code-blocks-scanned>> ] map-sum commas ]
        }
        {
            "Total time:"
            [ [ total-time>> ] map-sum nanos>string ]
        }
        {
            "Card scan time:"
            [ PHASE-CARD-SCAN sum-phase-times ]
        }
        {
            "Code block scan time:"
            [ PHASE-CODE-SCAN sum-phase-times ]
        }
        { "Marking time:" [ PHASE-MARKING sum-phase-times ] }
        {
            "Data heap sweep time:"
            [ PHASE-DATA-SWEEP sum-phase-times ]
        }
        {
            "Code heap sweep time:"
            [ PHASE-CODE-SWEEP sum-phase-times ]
        }
        {
            "Data compaction time:"
            [ PHASE-DATA-COMPACTION sum-phase-times ]
        }
    } object-table. ;