From a debugging perspective, there is really no practical difference between a physical processor core and a logical core that has been enabled via Intel hyper-threading technology. Enabling hyper-threading occurs as part of the platform-initialization process in your BIOS. Therefore, there is no noticeable difference from the application standpoint between a true physical processor core and an additional logical processor core. Since this technology enables concurrent execution of multiple threads, the debugging challenges are similar to a true multi-core debug.
Practical Android Debugging Via KGDB
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