David / Joerg,
On 4/10/2021 5:03 PM, David Coe wrote:
>
> The immediately obvious difference is the with the enormous count seen on
> mem_dte_mis on the older Ryzen 2400G. Will do some RTFM but anyone with
> comments and insight?
>
> 841,689,151,202,939 amd_iommu_0/mem_dte_mis/
David,
On 4/14/2021 10:33 PM, David Coe wrote:
> Hi Suravee!
>
> I've re-run your revert+update patch on Ubuntu's latest kernel 5.11.0-14
> partly to check my mailer's 'mangling' hadn't also reached the code!
>
> There are 3 sets of results in the attachment, all for the Ryzen 2400G. The
>
On 4/10/2021 5:03 PM, David Coe wrote:
> Results for AMD Ryzen 4700U running Ubuntu 21.04β kernel 5.11.0-13
>
> $ sudo dmesg | grep IOMMU
> [ 0.490352] pci :00:00.2: AMD-Vi: IOMMU performance counters supported
> [ 0.491985] pci :00:00.2: AMD-Vi: Found IOMMU cap 0x40
> [
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