On Mon, Oct 9, 2023 at 5:07 AM Yajun Deng <yajun.deng@xxxxxxxxx> wrote: > 'this_cpu_read + this_cpu_write' and 'pr_info + this_cpu_inc' will make > the trace work well. > > They all have 'pop' instructions in them. This may be the key to making > the trace work well. > > Hi all, > > I need your help on percpu and ftrace. > I do not think you made sure netdev_core_stats_inc() was never inlined. Adding more code in it is simply changing how the compiler decides to inline or not.
