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- x86 split lock detection - Proxmox Support Forum
[1462788 772002] x86 split lock detection: #AC: kvm 2279360 took a split_lock trap at address: 0xfffff8031b4c4d73 The Windows VMs lost time for time the connectivity to the Storage, where the Disks are hosted
- LWN：检测Intel CPU的split locks以及阻止攻击 - CSDN博客
此前的处理器就只支持对split lock统计一下发生个数（perf的sq_misc split_lock counter就是这个统计数），从而方便debug，但是没有办法让系统马上响应、采取措施。
- perf-kvm (1) — Linux manual page
'perf kvm stat report' reports statistical data which includes events handled sample, percent_sample, time, percent_time, max_t, min_t, mean_t 'perf kvm stat live' reports statistical data in a live mode (similar to record + report but with top
- Linux 虚拟机性能监控 - 于杨 - 博客园
为了在主机中使用perf kvm，您必须访问 proc modules和 proc kallsyms文件。 “复制 proc文件从guest虚拟机到主机“，以将文件传输到主机并对文件运行报告。
- 17. 8. | 配置和管理虚拟化 | Red Hat Enterprise Linux | 8 | Red Hat Documentation
perf kvm stat report # perf kvm stat report Analyze events for all VMs, all VCPUs: VM-EXIT Samples Samples% Time% Min Time Max Time Avg time EXTERNAL_INTERRUPT 365634 31 59% 18 04% 0 42us 58780 59us 204 MSR_WRITE 293428 25
- Enable split lock detection for real time and debug - LWN. net
When split lock detection is enabled, if split lock happens in the kernel, the kernel panics Otherwise, the user process is killed by SIGBUS To get a split lock free real time system, kernel and user application developers need to enable split lock detection and find and fix all possible split lock issues
- linux tools kvm kvm_stat kvm_stat at master · torvalds linux - GitHub
Linux kernel source tree Contribute to torvalds linux development by creating an account on GitHub You signed in with another tab or window Reload to refresh your session You signed out in another tab or window Reload to refresh your session You switched
- [SOLVED] x86 split lock detection log entries after reboot
I've recently encountered an issue regarding the x86 split lock detection log entries after a system reboot and unfortunately couldn't find a suitable solution through my research Hence, I'm reaching out here to seek some assistance
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