英特尔的上次分支记录功能是英特尔处理器独有的吗? [英] Is Intel's Last Branch Record feature unique to Intel processors?

问题描述

最后分支记录是指寄存器对(MSR)的集合，这些寄存器对存储与最近执行的分支有关的源地址和目标地址.它们在Intel Core 2，Intel Xeon和Intel Atom处理器家族中均受支持. http://css.csail.mit.edu/6.858/2012/readings/ia32/ia32-3b.pdf 文档提供了更多信息，以备您感兴趣.

Last Branch Record refers to a collection of register pairs (MSRs) that store the source and destination addresses related to recently executed branches. They are supported across Intel Core 2, Intel Xeon and Intel Atom processor families. http://css.csail.mit.edu/6.858/2012/readings/ia32/ia32-3b.pdf document has more information in case you are interested.

类似LBR的功能仅在Intel微处理器中可用，还是ARM等中存在类似的功能?

Is LBR-like feature available only in Intel microprocessors OR something similar exists in ARM etc. ?

推荐答案

总而言之，正如Carl所述，ARM在某些处理器上还具有程序跟踪功能.该网站具有有关此功能的有趣详细信息:

To sum up, as Carl mentioned, ARM also has program tracing functionality on some processors. This site has interesting details about this feature : http://infocenter.arm.com/help/index.jsp?topic=/com.arm.doc.set.coresight/index.html

这篇关于英特尔的上次分支记录功能是英特尔处理器独有的吗?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！