On Mon, Jun 08, 2020 at 09:28:37PM +0900, Irfan Ullah (울라 이르판) wrote: > Hi everyone, > I am trying to generate the log of instruction pointers (IPs) along with > corresponding memory accesses (including the page faults) in a sequence for > a specific application. I have generated the log of page faults along with > corresponding memory addresses by modifying the Linux Kernel code for a > specific application, but I didn't find the location of the > current instruction pointers along with corresponding memory addresses; > being analyzing Linux kernel code for more than a week. I think what I need > is available in the code related to the CPU control unit because it handles > the fetch-execute cycle; I looked for it but couldn't find the code > responsible for the fetch-execute cycle in the kernel code. > > Could anyone suggest to me where could I find the current value of IP > along with the memory address in the Kernel code? > > There are some tools available to generate the log of instruction pointers > with memory accesses but I can't use them because I need a log of memory > accesses and page faults in exact sequence and order along with > corresponding IPs. That's an "odd" requirement, what problem are you trying to solve? Anyway, have you tried the 'perf' tool? I think it will provide you with everything you need here, right? good luck! greg k-h _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
