Dynamic bandwidth throttling of DRAM accesses for memory tracing

Dynamic bandwidth throttling of DRAM accesses for memory tracing

A system and method of avoiding loss of memory trace data, including monitoring a first-in-first-out (FIFO) buffer to determine if the FIFO buffer has overflowed due to memory access, determining whether an overflow of the FIFO buffer is acceptable, changing an operating mode of a target system if o...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
Hauptverfasser: Munetoh, Seiji, Ohba, Nobuyuki
Format: Patent
Sprache:eng
Schlagworte:
CALCULATING
COMPUTING
COUNTING
ELECTRIC DIGITAL DATA PROCESSING
INFORMATION STORAGE
PHYSICS
STATIC STORES
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Beschreibung
Zusammenfassung:A system and method of avoiding loss of memory trace data, including monitoring a first-in-first-out (FIFO) buffer to determine if the FIFO buffer has overflowed due to memory access, determining whether an overflow of the FIFO buffer is acceptable, changing an operating mode of a target system if overflow of the FIFO buffer is unacceptable to avoid FIFO buffer overflow, and collecting memory trace data on the memory accesses.