Re: [Mesa-dev] Perfetto CPU/GPU tracing

2021-02-15 Thread John Bates
I can vouch for the usefulness of the combined trace timeline showing CPU core usage, filtered application events and GPU usage. Android systrace shows this data -- I've used it from both an app developer perspective to fix countless performance bugs and from a whole-system perspective to tune

Re: [Mesa-dev] Perfetto CPU/GPU tracing

2021-02-15 Thread Rob Clark
On Mon, Feb 15, 2021 at 3:13 AM Tamminen, Eero T wrote: > > Hi, > > On Fri, 2021-02-12 at 18:20 -0800, Rob Clark wrote: > > On Fri, Feb 12, 2021 at 5:56 PM Lionel Landwerlin > > wrote: > ... > > > In our implementation that precision (in particular when a drawcall > > > ends) comes at a stalling

Re: [Mesa-dev] Perfetto CPU/GPU tracing

2021-02-15 Thread Tamminen, Eero T
Hi, On Fri, 2021-02-12 at 18:20 -0800, Rob Clark wrote: > On Fri, Feb 12, 2021 at 5:56 PM Lionel Landwerlin > wrote: ... > > In our implementation that precision (in particular when a drawcall > > ends) comes at a stalling cost unfortunately. > > yeah, stalling on our end too for per-draw

Re: [Mesa-dev] Perfetto CPU/GPU tracing

2021-02-15 Thread Michel Dänzer
On 2021-02-13 3:15 a.m., Dylan Baker wrote: I can't speak for anyone else, but a giant pile of vendored code that you're expected to not update seems like a really bad idea to me. I agree. -- Earthling Michel Dänzer | https://redhat.com Libre software enthusiast