Hi, On Thu, 20 Jun 2024, zhang warden wrote: > > > > On Jun 7, 2024, at 17:07, Miroslav Benes <mbenes@xxxxxxx> wrote: > > > > It would be better than this patch but given what was mentioned in the > > thread I wonder if it is possible to use ftrace even for this. See > > /sys/kernel/tracing/trace_stat/function*. It already gathers the number of > > hits. > > > > Hi, Miroslav > > Can ftrace able to trace the function which I added into kernel by livepatching? yes, it should also work as is. I just generally recommend to use a different name (prefixed for example) for the new replacement function to avoid issues if you do not already do it. Miroslav
