Hi, I'm trying to profile an application which is spending quite a bit of time in the kernel (~40% in do_raw_spin_lock for example). To fully understand what is happening I would like to generate a call stack using perf (or otherwise) to see where the calls to this function are originating from. Is this possible? My hands are slightly tied in that I don't have sudo access to the system I'm working on, so a solution which accounts for this would be greatly appreciated. Even transferring files to/from the system is very difficult so I'm rather restricted in what i can do.
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