On Thu, Jun 18, 2020 at 3:28 PM Peter Xu <peterx@xxxxxxxxxx> wrote: > > > > if (regs) > > > perf_sw_event(event_type, 1, regs, address); > > Sadly, this line seems to fail the compilation: Yeah, I should have known that. We require a constant event ID, because it uses the magical static keys. So never mind. The perf_sw_event() calls can't be shared for two different ID's. Linus