On Mon, 21 Mar 2022 17:50:50 +0100 Peter Zijlstra <peterz@xxxxxxxxxxxxx> wrote: > > This also assumes that we need to trace everything that is marked. I > > mentioned in another email, what do we do if we only trace funcA? > > Like I said later on; if we inhibit tail-calls to notrace, this goes > away. Please no. The number of "notrace" functions is increasing to the point that it's starting to make function tracing useless in a lot of circumstances. I've already lost my ability to see when user space goes into the kernel (which I have to hack up custom coding to enable again). -- Steve