On Thu, 26 Sep 2019 20:05:57 +1000, Brock said: > On Thu, 2019-09-26 at 15:45 +0900, Sahibzada Irfanullah wrote: > > Thank you very for your help. I have checked the ftrace, and perf. I > > think it won't work for me.I am not analyzing/tracing the the kernel. > > I want to develop my own dynamic tool like Pin Tool (or moudule > > which can be loaded/unloaded at run time dynamically), so that I can > > easily tune/modify for different purposes , and to get any type of > > specific information from the kernel/KVM, espcecially in the context > > of virtualization (guest and/or host memory management). That's why I > > take a start from generating the log of guest physical addresses from > > the kernel by saving it to the file; with the passage of time, I will > > add the funcationalities to it. > > Thank you. > I'm not sure if it's hardware addresses but you can get kernel/user/kvm > page fault information with:
I admit I'm still mystified by the requirement for the hardware address rather than the virtual address, when doing any sort of analytics is going to require mapping back to a process and virtual address - and possibly incorrectly (consider a page fault from an instruction in a shared library that's mmap'ed into 250 running processes, like glibc...)
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