Kworker ksoftirqd. The thermal interrupts on the other hand are.
Kworker ksoftirqd. . You can have several of them in your process list: kworker/0:1 is the one on your first CPU core, kworker/1:1 the one on your second etc. References ¶ SMP IRQ affinity: Binding interrupts to sets of CPUs. But one thing is certain: this is not a software issue. 前言 之前分享过Linux内核网络数据包的接收过程，当执行到网卡通过硬件中断（IRQ）通知CPU，告诉它有数据来了，CPU会根据中断表，调用已经注册的中断函数，这个中断函数会调到驱动程序（NIC Driver）中相应的函… Jul 13, 2023 · linux内核线程kworker ksoftirqd占用cpu高 sikoutang 于 2023-07-13 15:01:50 发布 阅读量10w+ 收藏 点赞数 Jun 5, 2024 · For instance, we previously mentioned ksoftirqd in the soft interrupt case. While it's a bit curious why those two processes would run on the same core, that really seems to be tangential to the real issue of why they are taking up so many CPU resources in the first place. To reduce OS jitter from non-per-CPU kthreads, bind them to a “housekeeping” CPU dedicated to such work. Reducing OS jitter due to per-cpu kthreads ¶ This document lists per-CPU kthreads in the Linux kernel and presents options to control their OS jitter. Documentation top および ps からの出力には、プロセッサー時間を消費するコマンドとして kworker または ksoftirqd がリストされる場合があります。kworker および ksoftirqd という名前だけでは、その機能について十分には理解できません。kworker プロセスは、タイマー、 1. Apr 5, 2011 · 120 What is kworker? kworker means a Linux kernel process doing "work" (processing system calls). The thermal interrupts on the other hand are. Note that non-per-CPU kthreads are not listed here. Mar 18, 2024 · Learn what ksoftirqd processes are and why they sometimes consume our CPU capacities. PS: I think you can ignore the high number of local time interrupts, because they are not unusual. things I tried so far but without success: boot without any USB devices attached but the Unraid USB drive it self. ksoftirqd is a kernel thread responsible for handling soft interrupts, and each CPU has one. boot in secure mode without any plug-ins, Here is what I'd recommend for debugging and fixing this: If all of these are fine, then I'm afraid your CPU is broken and needs to be replaced. Determining what threads are running under these needs to be understood before coming to a conclusion. Jan 15, 2022 · As you can see, there is the process kworker and the process ksoftirqd doing it, how do I multi-thread them. The kernel processes kworker and ksoftirqd are processes under which general kernel threads run. Why does kworker hog your CPU? 这其中有我们的主角 ksoftirqd,负责处理软中断,每个CPU都有一个 除了kthreadd 和 ksoftirqd之外,还有几个内核线程 kswapd0:用于内存回收 kworker: 用于执行内核工作队列 migration: 负载均衡过程中,讲进程迁移到CPU上 jbd2/sda-18 为文件系统提供日志功能,保证数据的完整性 pdflush 内存中的脏页,写入磁盘 今天的案例是 . Oct 12, 2022 · Hi there, my new created Unraid server has permanent high CPU load on one or two cores, TOP shows it was cased by kworker and ksoftirqd. May 8, 2025 · My Oracle Support provides customers with access to over a million knowledge articles and a vibrant support community of peers and Oracle experts. jggcwpnycmywfepxjfmvtimgamyjiurqqnvthwlkhqwefxt