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    • 9. 发明授权
    • Programmable event counter system
    • 可编程事件计数器系统
    • US06356615B1
    • 2002-03-12
    • US09417930
    • 1999-10-13
    • Brett CoonDavid KeppelCharles R. Price
    • Brett CoonDavid KeppelCharles R. Price
    • G07C300
    • G06F11/3409G06F11/348G06F2201/86G06F2201/88
    • Certain events occurring throughout a microprocessor chip are monitored by a counter system (1) containing a number of digital electronic counters (3, 5, 7 & 9) consolidated at a single location on the processor chip. Those events are communicated to the counter system via electrical leads extending to those functional units in the processor responsible for signaling an event occurrence. Under program control, each counter can be selectively connected (11, 13, 15 & 17) to a selected one of the various functional event producing units. By means of selection logic (19, 21, 23 & 25) separate events originating from multiple functional units may be logically combined, whereby the event counted is a Boolean logic combination of multiple underlying events.
    • 在整个微处理器芯片中发生的某些事件由包含在处理器芯片上的单个位置固结的多个数字电子计数器(3,5,7和9)的计数器系统(1)进行监视。 这些事件通过延伸到处理器中的那些功能单元的电引线传送到计数器系统,其负责发信号通知事件。 在程序控制下,每个计数器可以被选择性地连接到各种功能事件产生单元中的所选择的一个中(11,13,15和17)。 通过选择逻辑(19,21,23和25),可以逻辑地组合源自多个功能单元的单独事件,由此计数的事件是多个基础事件的布尔逻辑组合。