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CONFIG_X86_PTRACE_BTS: Branch Trace Store

General informations

The Linux kernel configuration item CONFIG_X86_PTRACE_BTS:

Help text

This adds a ptrace interface to the hardware's branch trace store.

Debuggers may use it to collect an execution trace of the debugged application in order to answer the question 'how did I get here?'. Debuggers may trace user mode as well as kernel mode.

Say Y unless there is no application development on this machine and you want to save a small amount of code size.

Hardware

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