发明申请
- 专利标题: DELAY IDENTIFICATION IN DATA PROCESSING SYSTEMS
- 专利标题(中): 数据处理系统中的延迟识别
-
申请号: US13314052申请日: 2011-12-07
-
公开(公告)号: US20130151816A1公开(公告)日: 2013-06-13
- 发明人: Venkat R. Indukuru , Alexander E. Mericas
- 申请人: Venkat R. Indukuru , Alexander E. Mericas
- 申请人地址: US NY Armonk
- 专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION
- 当前专利权人: INTERNATIONAL BUSINESS MACHINES CORPORATION
- 当前专利权人地址: US NY Armonk
- 主分类号: G06F9/30
- IPC分类号: G06F9/30 ; G06F9/312
摘要:
Methods, systems, and computer program products may provide delay-identification in data processing systems. An apparatus may include a delay-identification unit having a delay counter, a threshold register, a delay register, and a delay detector. The delay detector may be configured to start the delay counter in response to detecting that one group of instructions is delayed, and stop the delay counter in response to detecting that the one group of instructions is no longer delayed. The delay detector may additionally be configured to compare the number of cycles counted by the delay counter with a threshold number of cycles in the threshold register, and store at least one effective address of one of the instructions of the one group of instructions when the number of cycles counted by the delay counter is greater than the threshold number of cycles stored in the threshold register.