Iwatcher: Simple general architectural support for software debugging

Pin Zhou, Feng Qin, Wei Liu, Yuanyuan Zhou, Josep Torrellas

Research output: Contribution to journalArticlepeer-review


Iwatcher lets programmers associate specified functions to "watched" memory locations or objects. Access to any such location automatically triggers the monitoring function in the hardware. Relative to other approaches, Iwatcher detects many real bugs at a fraction of the execution-time overhead.

Original languageEnglish (US)
Pages (from-to)50-56
Number of pages7
JournalIEEE Micro
Issue number6
StatePublished - Nov 2004

ASJC Scopus subject areas

  • Software
  • Hardware and Architecture
  • Electrical and Electronic Engineering


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