[coreboot] Exposing performance data to user space/systemd

Christian Gmeiner christian.gmeiner at gmail.com
Tue May 21 12:35:21 CEST 2013


Hi Paul

> as LinuxTag approaches and some of the systemd developers are going to
> be there, I remembered the discussion how systemd only supports exposing
> performance data on EFI systems [1].
>
> Christian already brought up coreboot/SeaBIOS in that discussion. H.
> Peter Anvin (Syslinux) also voiced a need for a having that for non-EFI
> systems.
>
> Christin, are there any news?
>

The biggest problem is the defined interface between the coreboot and systemd.

>
> Thanks to the CBMEM console, the cbmem utility can read, and the timer
> work, we have performance data available now. If I am not mistaken,
> Chrome OS also supports reading these values. So maybe such an interface
> could be designed during LinuxTag and implemented afterward.
>

In the next weeks I will find some time for some coreboot work and maybe I will
get something up and running.

greets
--
Christian Gmeiner, MSc



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