Hello, I'm using libunwind to walk the stack periodically during an execution, every time I walk the stack, I print out the name of the frame and the IP register value. Here's the weird thing: unw_get_proc_name *sometimes* cannot give me the name to the frame while other times it does give the correct name with the exactly same IP value. E.g. two exactly same call stacks(same IP value on each frame). One gives name for each frame within it, but the other is missing names for some frames. Why ?
Any ideas why this is happening ? Thanks a lot ! -- Best regards Hui Zhang
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