On Tue, Jun 5, 2018 at 3:27 PM, Andy Shevchenko <andy.shevchenko@xxxxxxxxx> wrote: > On Mon, Jun 4, 2018 at 6:55 PM, Alexandru Gagniuc <mr.nuke.me@xxxxxxxxx> wrote: >> PCIe downtraining happens when both the device and PCIe port are >> capable of a larger bus width or higher speed than negotiated. >> Downtraining might be indicative of other problems in the system, and >> identifying this from userspace is neither intuitive, nor straigh >> forward. >> >> The easiest way to detect this is with pcie_print_link_status(), >> since the bottleneck is usually the link that is downtrained. It's not >> a perfect solution, but it works extremely well in most cases. > > Have you seen any of my comments? > For your convenience repeating below. Ah, found the answer in a pile of emails. OK, I see your point about helper, though the rest is still applicable here. -- With Best Regards, Andy Shevchenko
