feat(process): 实现进程与线程CPU时间统计及clock_nanosleep支持#1517
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fslongjin merged 2 commits intoDragonOS-Community:masterfrom Dec 20, 2025
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feat(process): 实现进程与线程CPU时间统计及clock_nanosleep支持#1517fslongjin merged 2 commits intoDragonOS-Community:masterfrom
fslongjin merged 2 commits intoDragonOS-Community:masterfrom
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Dec 20, 2025
fslongjin
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- 新增ProcessCpuTime结构体，用于统计用户态、内核态及总执行时间
- 为PCB添加cputime_wait_queue，支持CLOCK_PROCESS/THREAD_CPUTIME_ID的clock_nanosleep
- 在调度器CPU时间统计中增加CPU-time等待队列唤醒逻辑
- 扩展clock_gettime和clock_nanosleep系统调用，支持进程和线程CPU时间时钟
- 添加PosixTimeSpec::from_ns方法，便于从纳秒创建时间规格
- 更新测试白名单，添加clock_nanosleep_test
- 新增ProcessCpuTime结构体，用于统计用户态、内核态及总执行时间 - 为PCB添加cputime_wait_queue，支持CLOCK_PROCESS/THREAD_CPUTIME_ID的clock_nanosleep - 在调度器CPU时间统计中增加CPU-time等待队列唤醒逻辑 - 扩展clock_gettime和clock_nanosleep系统调用，支持进程和线程CPU时间时钟 - 添加PosixTimeSpec::from_ns方法，便于从纳秒创建时间规格 - 更新测试白名单，添加clock_nanosleep_test Signed-off-by: longjin <longjin@DragonOS.org>
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@claude review this PR in Chinese |
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Claude finished @fslongjin's task in 4m 19s —— View job PR #1517 代码审查待办事项:
审查总结✅ 实现质量优秀本PR实现了进程与线程CPU时间统计及 🔍 关键实现细节
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- 在`process_cputime_ns`中添加对无效线程组关系的防御性回退和日志记录 - 为`thread_cputime_ns`添加原子操作顺序的注释说明 - 新增多线程CPU时间测试程序，验证进程CPU时间累加线程时间的功能 Signed-off-by: longjin <longjin@DragonOS.org>
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