I misunderstood the passthrough concept, it only allows guest domain to use certain interrupts and memory. Is there are way to somehow route interrupt from domU (bare-metal app) to hw? On Thu, Oct 11, 2018 at 9:36 AM Milan Boberic <milanboberi...@gmail.com> wrote: > > On Wed, Oct 10, 2018 at 6:41 PM Meng Xu <xumengpa...@gmail.com> wrote: > > > > The jitter may come from Xen or the OS in dom0. > > It will be useful to know what is the jitter if you run the test on > > PetaLinux. > > (It's understandable the jitter is gone without OS. It is also common > > that OS introduces various interferences.) > > Hi Meng, > well... I'm using bare-metal application and I need it exclusively to > be ran on one CPU as domU (guest) without OS (and I'm not sure how > would I make the same app to be ran on PetaLinux dom0 :D haha). > Is there a chance that PetaLinux as dom0 is creating this jitter and > how? Is there a way of decreasing it? > > Yes, there are no prints. > > I'm not sure about this timer interrupt passthrough because I didn't > find any example of it, in attachment I included xen-overlay.dtsi file > which I edited to add passthrough, in earlier replies there are > bare-metal configuration file. It would be helpful to know if those > setting are correct. If they are not correct it would explain the > jitter. > > Thanks in advance, Milan Boberic!
_______________________________________________ Xen-devel mailing list Xen-devel@lists.xenproject.org https://lists.xenproject.org/mailman/listinfo/xen-devel
