On Fri, Sep 27, 2019 at 10:53 AM Richard Henderson <richard.hender...@linaro.org> wrote: > > On 9/27/19 10:23 AM, Alistair Francis wrote: > >> I'm curious about the motivation here. > >> > >> In particular, what difference does it make what cpu the TB is generated > >> for? > >> It would seem like the more relevant place to look for this is with -d cpu > >> or > >> -d exec where the TB is actually executed, which could well be multiple > >> cpus. > > > > The main reason is that the sifive_u machine now has two RISC-V > > clusters so it's useful to see what is happening on each CPU. -d cpu > > and -d exec are much more difficult to comprehend so aren't always as > > useful. > > Hmm. I wonder if it might be time to find a way to be able to optionally > split > the qemu_log output on a per-cpu basis. It wouldn't necessarily always be > helpful, because we'd still have the case of a given TB being translated by > one > cpu and executed on another, but it could make some things easier to follow.
A per cpu-cluster basis would be useful. Until then though this patch helps. Alistair > > > r~