Rusage

os::uapi::resource

Struct Rusage 

Source 
#[repr(C)]
pub struct Rusage {
Show 16 fields
    pub ru_utime: timeval,
    pub ru_stime: timeval,
    pub ru_maxrss: c_long,
    pub ru_ixrss: c_long,
    pub ru_idrss: c_long,
    pub ru_isrss: c_long,
    pub ru_minflt: c_long,
    pub ru_majflt: c_long,
    pub ru_nswap: c_long,
    pub ru_inblock: c_long,
    pub ru_oublock: c_long,
    pub ru_msgsnd: c_long,
    pub ru_msgrcv: c_long,
    pub ru_nsignals: c_long,
    pub ru_nvcsw: c_long,
    pub ru_nivcsw: c_long,

}
Expand description

进程或其子进程的资源使用统计。

Fields§

§ru_utime: timeval

ru_utime: 用户模式下消耗的 CPU 时间。

§ru_stime: timeval

ru_stime: 内核模式下消耗的 CPU 时间。

§ru_maxrss: c_long

ru_maxrss: 最大常驻内存集大小 (Maximum Resident Set Size)，单位：千字节 (KB)。

§ru_ixrss: c_long

ru_ixrss: 积分共享内存大小 (Integral Shared Memory Size)。

§ru_idrss: c_long

ru_idrss: 积分非共享数据大小 (Integral Unshared Data Size)。

§ru_isrss: c_long

ru_isrss: 积分非共享栈大小 (Integral Unshared Stack Size)。

§ru_minflt: c_long

ru_minflt: 页回收次数 (Page Reclaims)，即次要页错误 (Minor Faults)。

§ru_majflt: c_long

ru_majflt: 页错误次数 (Page Faults)，即主要页错误 (Major Faults)。

§ru_nswap: c_long

ru_nswap: 交换次数 (Swaps)。

§ru_inblock: c_long

ru_inblock: 块输入操作次数 (Block Input Operations)。

§ru_oublock: c_long

ru_oublock: 块输出操作次数 (Block Output Operations)。

§ru_msgsnd: c_long

ru_msgsnd: 发送的消息次数 (Messages Sent)。

§ru_msgrcv: c_long

ru_msgrcv: 接收的消息次数 (Messages Received)。

§ru_nsignals: c_long

ru_nsignals: 接收到的信号次数 (Signals Received)。

§ru_nvcsw: c_long

ru_nvcsw: 自愿上下文切换次数 (Voluntary Context Switches)。

§ru_nivcsw: c_long

ru_nivcsw: 非自愿上下文切换次数 (Involuntary Context Switches)。

Trait Implementations§

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impl Clone for Rusage

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fn clone(&self) -> Rusage

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Rusage

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Copy for Rusage

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

Blanket Implementations§

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of [From]<T> for U chooses to do.

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impl<T> ToOwned for T
where T: Clone,

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type Owned = T

The resulting type after obtaining ownership.
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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.