红帽全球峰会第 39 章 为带有库调用的进程设置优先级
您可以使用 chrt 工具为进程设置优先级。
先决条件
- 有管理员特权。
39.1. 用于设置优先级的库调用
复制链接链接已复制到粘贴板!
实时进程使用一组不同的库调用来控制策略和优先级。以下库调用用于设置非实时进程的优先级。
-
nice -
setpriority
这些功能调整非实时进程的 nice 值。nice 值充当调度程序的建议，建议将 ready-to-run、非实时进程列表的顺序在处理器上运行。列表头处的进程在进一步关闭列表之前运行。
重要
函数需要包含 sched.h 头文件。确保始终从功能检查返回代码。
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