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SubjectDoes perf support different length of user-space hw_breakpoint?
Hi guys,

Does perf support different length of user-space hw_breakpoint,
such as HW_BREAKPOINT_LEN_1/HW_BREAKPOINT_LEN_2/HW_BREAKPOINT_LEN_4/
HW_BREAKPOINT_LEN_8?

Seems perf only support HW_BREAKPOINT_LEN_4/sizeof(long)
by default from the source code and simple test.

May I have your opinions if I want to trace different bytes of
hw_breakpoint addr?

Thanks,

Xia Kaixu



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