Re: [RFC 00/26] perf: Add mmap3 support

Namhyung Kim
2020-09-14T05:25:40Z

Hi Jiri,

On Mon, Sep 14, 2020 at 6:03 AM Jiri Olsa <jolsa@kernel.org> wrote:
>
> hi,
> 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.

Thanks
Namhyung