---
url: https://hackmd.io/xRi9AklPTjm_41W5-SIm7Q
title: linux
lastSync: 2025-05-29T14:11:43.244Z
hackmd:
url: https://hackmd.io/xRi9AklPTjm_41W5-SIm7Q
title: linux
lastSync: 2025-06-07T05:32:03.337Z
---
## Systemd

- 如何 trace
## Device Tree

## Bootup

## Device drtiver
- ioctl
- select/poll
- procfs

## mempry
- DMA

## Timer
- jiffies
## 同步&lock
- atomic
- kernel threads
## interrupt
## 周邊
- PCIE
- Serial Bus
- I2C
- ACPI
- IPMI
## Debug
- printk
- a