On Sun, Oct 17, 2021 at 8:46 PM Dongliang Mu <mudongliangabcd@xxxxxxxxx> wrote: > > Hi all, > > I am writing to kindly ask one question: is there any tracing > mechanism in Linux kernel that can trace all the executed instructions > of a user process? If this user process is run on different > processors, traces of this process on different processors should be > also recorded. > > Any comment is welcome. > take a look at rr-project.org what rr does rr aspires to be your primary C/C++ debugging tool for Linux, replacing — well, enhancing — gdb. You record a failure once, then debug the recording, deterministically, as many times as you want. The same execution is replayed every time. rr also provides efficient reverse execution under gdb. Set breakpoints and data watchpoints and quickly reverse-execute to where they were hit. _______________________________________________ Kernelnewbies mailing list Kernelnewbies@xxxxxxxxxxxxxxxxx https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
