Hi, On Tue, 2 Apr 2013 17:11:01 +0800, >> For some reason, do_page_fault() is marked as __kprobe on some arch >> which means it cannot be probed. > > My kernel is runing on X86_64 arch, is there any chance for me to get the > do_page_fault() entry/exit work?
nope, AFAIK. > Or How can i add a exit tracepoint for handle_mm_fault()? so I can calculate > the latency of that fault handle function? Try "perf probe -a entry=handle_mm_fault -a exit=handle_mm_fault%return" Thanks, Namhyung -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
