On Mon, May 12, 2014 at 03:52:54PM +0800, xiakaixu wrote: > 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?
Frederic?
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