Em Mon, Sep 14, 2020 at 02:25:25PM +0900, Namhyung Kim escreveu: > On Mon, Sep 14, 2020 at 6:03 AM Jiri Olsa <jo...@kernel.org> wrote: > > while playing with perf daemon support I realized I need > > the build id data in mmap events, so we don't need to care > > about removed/updated binaries during long perf runs.
> > This RFC patchset adds new mmap3 events that copies mmap2 > > event and adds build id in it. It makes mmap3 the default > > mmap event for synthesizing kernel/modules/tasks and adds > > some tooling enhancements to enable the workflow below. > Cool! It's nice that we can skip the final build-id collection stage > with this while data size will be bigger. Yeah, this is something long overdue, comes with extra cost for people not wanting build-ids, but then they can just use MMAP2 or even MMAP if that is enough. More comments on the other patches. - Arnaldo
