user
30 lines
974 B
Plaintext
30 lines
974 B
Plaintext
@startuml
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scale 600 height
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top to bottom direction
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skinparam backgroundColor transparent
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skinparam shadowing false
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skinparam defaultFontName Monospace
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skinparam defaultFontSize 10
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skinparam stateBorderColor #2c7794
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skinparam stateBackgroundColor #edf6fa
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skinparam ArrowColor #8095a1
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title A6 STATE — reusable states of the same RV32 arena
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[*] --> Free : 01 E01 one list node
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Free --> Allocated : 02 E04 A+B+C allocated\ncurrent free = 3936
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Allocated --> Fragmented : E05 free A\nE06 free C
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Fragmented : 03 E06 two free blocks
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Fragmented : sum free > largest block
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Fragmented --> Coalesced : 04 E07 free B\nmerge previous, then next
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Coalesced : one free block
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Coalesced : current = largest = initial
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Coalesced --> OOMChecked : 05 E08 request > arena
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OOMChecked : NULL · hook=1 · PASS=1
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OOMChecked --> [*]
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state "minimum-ever" as MIN
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Allocated -right-> MIN : records low watermark
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Fragmented -right-> MIN : does not rise
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Coalesced -right-> MIN : history remains
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@enduml
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