Logic analyzer for detecting hangs

A microprocessor comprises a cache including a tag array; a tagpipe that arbitrates access to the tag array; and a logic analyzer for investigating a starvation, livelock, or deadlock condition. The logic analyzer, which comprises read logic coupled to the tagpipe, is configured to record snapshots...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: Hooker, Rodney E, Reed, Douglas R
Format: Patent
Sprache:eng
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Beschreibung
Zusammenfassung:A microprocessor comprises a cache including a tag array; a tagpipe that arbitrates access to the tag array; and a logic analyzer for investigating a starvation, livelock, or deadlock condition. The logic analyzer, which comprises read logic coupled to the tagpipe, is configured to record snapshots of transactions to access the tag array.