On 26 March 2018 at 10:08, Lionel Landwerlin <lionel.g.landwerlin@xxxxxxxxx> wrote: > If 2 processes race to open the perf stream, it's possible that one of them > will see that OA buffer has already been allocated, while a previous process > is still finishing to reprogram the hardware (on gen8+). But we grab the perf.lock while opening the perf stream, and we only allow one exclusive stream. Maybe I'm missing something? _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
