libc_core::resource

Struct Rusage

Source 
#[repr(C)]
pub struct Rusage {
Show 16 fields
    pub utime: TimeVal,
    pub stime: TimeVal,
    pub maxrss: i64,
    pub ixrss: i64,
    pub idrss: i64,
    pub isrss: i64,
    pub minflt: i64,
    pub majflt: i64,
    pub nswap: i64,
    pub inblock: i64,
    pub oublock: i64,
    pub msgsnd: i64,
    pub msgrcv: i64,
    pub nsignals: i64,
    pub nvcsw: i64,
    pub nivcsw: i64,

}
Expand description

资源使用情况结构体（对应 C 的 struct rusage） 记录进程或线程的时间和资源消耗信息 MUSL: https://github.com/bminor/musl/blob/c47ad25ea3b484e10326f933e927c0bc8cded3da/include/sys/resource.h#L27

Fields§

§utime: TimeVal

用户态运行时间（单位：秒 + 微秒）

§stime: TimeVal

内核态运行时间（单位：秒 + 微秒）

§maxrss: i64

最大常驻集大小（单位：KB），即内存占用峰值

§ixrss: i64

索引页的使用数量（已废弃）

§idrss: i64

数据段内存使用量（已废弃）

§isrss: i64

堆栈段内存使用量（已废弃）

§minflt: i64

页面缺页异常数（软缺页，不涉及磁盘 IO）

§majflt: i64

主缺页异常数（硬缺页，需要从磁盘读取页面）

§nswap: i64

发生的交换（swap）次数

§inblock: i64

输入操作（块设备读取）的次数

§oublock: i64

输出操作（块设备写入）的次数

§msgsnd: i64

发送的 IPC 消息数（已废弃）

§msgrcv: i64

接收的 IPC 消息数（已废弃）

§nsignals: i64

捕获的信号数量

§nvcsw: i64

自愿上下文切换次数（如等待锁）

§nivcsw: i64

非自愿上下文切换次数（被内核抢占）

Auto Trait Implementations§

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impl Freeze for Rusage

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impl RefUnwindSafe for Rusage

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impl Send for Rusage

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impl Sync for Rusage

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impl Unpin for Rusage

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impl UnwindSafe for Rusage

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