88.5 ltp 失败测试用例分析 88.5 ltp 失败测试用例分析2202 cpuhotplug03 https://blog.csdn.net/maxg1206/article/details/125600523 1./runltp -f cpuhotplug -s cpuhotplug03 12345678910111213141516[root@nm08-az2-compute-c8ne-10e8e92e209 sec 2025-11-18 linux > testing > ltp #bpf #fs #git #kernel #linux #log #ltp #vim #mm #net #struct #proc #disk
lightdm.service waits for plymouth-quit-wait.service to release display resources lightdm.service waits for plymouth-quit-wait.service to release display resourcesplymouth安装plymouth-dbgsym123456789apt policy plymouthplymouth: 已安装:0.9.4.2-1+dde 候选: 0.9.4.2-1+dde 版本列表: *** 0.9.4.2 2025-11-18 linux > performance > perf > 243205 #boot #deb #debug #deepin #fs #grub #kernel #linux #log #pkg #shell #sources #tools #virt #mm #net #security #container #console
perf_event空指针导致卡死 perf_event空指针导致卡死问题描述 故障时间:2025-09-26 10:26:27 故障节点:四川CYUNOS替换支撑 故障现象:BUG: unable to handle kernel paging request at 000000046474e560 操作系统:4.19.90-2102.2.0.0068.ctl2.x86_64 硬件平台: Red Hat KVM, BIOS 1.1 2025-11-18 linux > performance > perf > perf-event #3d #bpf #fs #kdump #kernel #kvm #log #perf #task #vim #virt #mm #net #modules #kms
UnixBench Context1 Analysis UnixBench Context1 Analysis123./Run pipe -c 1./Run context1 -c 1./Run spawn -c 1 1234567891011121314151617181920211 x Pipe-based Context Switching 1 2 3 4 5 6 7 8 9 10============================== 2025-11-18 linux > performance > perf > unixbench #linux #perf #net #unixbench
UnixBench Pipe Analysis UnixBench Pipe Analysis123./Run pipe -c 1./Run context1 -c 1./Run spawn -c 1 1./Run pipe -c 1 1234567891011121314151617181920211 x Pipe Throughput 1 2 3 4 5 6 7 8 9 10============================ 2025-11-18 linux > performance > perf > unixbench #fs #git #kernel #linux #log #perf #sources #task #vim #mm #net #struct #sync #unixbench
UnixBench Spawn Analysis UnixBench Spawn Analysis1./Run spawn -c 1 1234567891011121314151617181920211 x Process Creation 1 2 3======================================================================== BYTE UNIX Benchmarks 2025-11-18 linux > performance > perf > unixbench #linux #perf #net #proc #unixbench
Unixbench Pipe-based Context Switching Unixbench Pipe-based Context Switching 从Unixbench的一个测试数据开始 银河麒麟高级服务器操作系统V10SP32403 版本发布说明 2025-11-18 linux > performance > perf > unixbench #unixbench
修复kunpeng 920 dpu主机无法生成vmcore 修复kunpeng 920 dpu主机无法生成vmcorecrashkernel本批次机器无法生成vmcore文件,部分原因是crashkernel配置错误。 本批次机器需修改crashkernel=512M,其他机器可能需要配置为crashkernel=1024M,high或其他参数。 vim /etc/default/grub,确保crashkernel参数如下: 2025-11-18 linux > debug > kdump #boot #grub #kdump #kernel #vim #mm #proc
echo g > /proc/sysrq_trigger echo g > /proc/sysrq_trigger本次调试环境: 宿主机:amd64 debian12 虚拟机:qemu虚拟化debian12 linux kernel:6.1.27 宿主机与虚拟机通过virt-manager提供的串口设备/dev/pts/4进行kgdb调试 核心断点123456789drivers/tty/sys 2025-11-18 linux > debug > kdump > sysrq_trigger #deb #debug #drivers #gdb #kernel #linux #qemu #virt #struct #proc #sysrq_trigger
uos-1060 kgdb 修复 uos-1060 kgdb 修复修复代码将x86-kernel 分支4.19-rc8中的kernel/debug目录、include/linux/sysrq.h、drivers/tty/sysrq.c覆盖4.19内核 6026对应位置文件。编译过程中会遇到include/linux/security2.h中的void security_set_audit_started(int started)重 2025-11-18 linux > debug > kdump > sysrq_trigger #deb #debug #drivers #gdb #git #kernel #linux #pkg #mm #net #proc #security #console #sysrq_trigger