On Wed, Jul 23, 2025 at 11:31:06AM +0800, Shuai Xue wrote: > changes since v8: > - rewrite commit log from Bjorn > - move pci_hp_event to a common place (include/trace/events/pci.h) per Ilpo > - rename hotplug event strings per Bjorn and Lukas > - add PCIe link tracepoint per Bjorn, Lukas, and Ilpo > > Hotplug events are critical indicators for analyzing hardware health, and > surprise link downs can significantly impact system performance and > reliability. > In addition, PCIe link speed degradation directly impacts system performance > and > often indicates hardware issues such as faulty devices, physical layer > problems, > or configuration errors. > > This patch set add PCI hotplug and PCIe link tracepoint to help analyze PCI > hotplug events and PCIe link speed degradation. > > Shuai Xue (2): > PCI: trace: Add a generic RAS tracepoint for hotplug event > PCI: trace: Add a RAS tracepoint to monitor link speed changes > > drivers/pci/hotplug/pciehp_ctrl.c | 33 +++++++-- > drivers/pci/hotplug/pciehp_hpc.c | 5 +- > drivers/pci/pci.c | 2 +- > drivers/pci/pci.h | 12 ++- > drivers/pci/pcie/bwctrl.c | 4 +- > drivers/pci/probe.c | 10 ++- > include/linux/pci.h | 1 + > include/trace/events/pci.h | 119 ++++++++++++++++++++++++++++++ > include/uapi/linux/pci.h | 7 ++ > 9 files changed, 177 insertions(+), 16 deletions(-) > create mode 100644 include/trace/events/pci.h
Hi Shuai, I lost track of what happened with this series. It seemed like we were pretty close but there were some trivial issues, and I don't think we ever merged it. Did I miss something, or are you waiting on me? Bjorn
