摘要： http://linuxperf.com/?p=67 支持虚拟化技术的硬件平台主要做两件事，一个是DMA Remapping，将DMA请求中的Guest的物理地址映射到Host的物理地址，另一个是中断Remapping，将能remappable的中断请求根据由VMM设置，位于内存的IRT(Inter 阅读全文

摘要： #!/bin/sh sed -r -e 's/^ *//' -e 's/ {2,}/|/g' < /proc/interrupts | \ awk -F'|' ' BEGIN { cpu_n = 0; } NR == 1 { for(i = 1; i <= NF; i++) if($i ~ CPU) 阅读全文

摘要： https://kernelgo.org/vfio-introduction.html [root@localhost ~]# dmesg -T | grep -i iommu [Mon Aug 24 02:26:42 2020] iommu: Adding device 0000:74:03.0 阅读全文

摘要： I would like to present here a simple solution to write an interrupt driven user space application with the help of the generic user IO kernel driver. 阅读全文

摘要： t work recently, I had a new PCI device that I needed to experiment with. I was dreading writing a Linux kernel driver to talk to it. It turns out, Li 阅读全文

摘要： root@gobgp:~# lspci | grep -i ether 01:00.0 Ethernet controller: Red Hat, Inc. Virtio network device (rev 01) 07:00.0 Ethernet controller: Red Hat, In 阅读全文

摘要： A PCI/PCI-Express Primer Part 3: Let’s Play Note: This is part three of a three-part blog series. Part one is available here and part two is available 阅读全文

摘要： Thank you for visiting this page, this page has been update in another link lspci useful examples lspci is a utility for displaying information about 阅读全文

摘要： https://www.slideshare.net/kentaroebisawa/20111015-pcie-sriov [root@localhost ~]# lspci | grep -i ether 05:00.0 Ethernet controller: Huawei Technologi 阅读全文

摘要： https://github.com/billfarrow/pcimem [root@localhost pcimem]# ls LICENSE.txt Makefile pcimem.c README [root@localhost pcimem]# make cc -Wall -g pcimem 阅读全文