#[repr(C)]pub struct Rusage {}
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)
Trait Implementations§
Source§impl FromBytes for Rusage
impl FromBytes for Rusage
Source§fn ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
fn ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
Source§fn ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
fn ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout + Immutable,
Source§fn ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: Immutable + KnownLayout,
fn ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: Immutable + KnownLayout,
Interprets the suffix of the given bytes as a
&Self
. Read moreSource§fn mut_from_bytes(
source: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_bytes(
source: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
Source§fn mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
Source§fn mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
fn mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout,
Source§fn ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Source§fn ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Source§fn ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, Infallible>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Source§fn mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>
fn mut_from_bytes_with_elems( source: &mut [u8], count: usize, ) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>
Source§fn mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
fn mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
Source§fn mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
fn mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, Infallible>>where
Self: IntoBytes + KnownLayout<PointerMetadata = usize>,
Source§fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>where
Self: Sized,
fn read_from_bytes(source: &[u8]) -> Result<Self, SizeError<&[u8], Self>>where
Self: Sized,
Source§fn read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>where
Self: Sized,
fn read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), SizeError<&[u8], Self>>where
Self: Sized,
Source§fn read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), SizeError<&[u8], Self>>where
Self: Sized,
fn read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), SizeError<&[u8], Self>>where
Self: Sized,
Source§impl FromZeros for Rusage
impl FromZeros for Rusage
Source§fn new_zeroed() -> Selfwhere
Self: Sized,
fn new_zeroed() -> Selfwhere
Self: Sized,
Creates an instance of
Self
from zeroed bytes. Read moreSource§fn new_box_zeroed() -> Result<Box<Self>, AllocError>where
Self: Sized,
fn new_box_zeroed() -> Result<Box<Self>, AllocError>where
Self: Sized,
Creates a
Box<Self>
from zeroed bytes. Read moreSource§fn new_box_zeroed_with_elems(count: usize) -> Result<Box<Self>, AllocError>where
Self: KnownLayout<PointerMetadata = usize>,
fn new_box_zeroed_with_elems(count: usize) -> Result<Box<Self>, AllocError>where
Self: KnownLayout<PointerMetadata = usize>,
Creates a
Box<[Self]>
(a boxed slice) from zeroed bytes. Read moreSource§fn new_vec_zeroed(len: usize) -> Result<Vec<Self>, AllocError>where
Self: Sized,
fn new_vec_zeroed(len: usize) -> Result<Vec<Self>, AllocError>where
Self: Sized,
Creates a
Vec<Self>
from zeroed bytes. Read moreSource§fn extend_vec_zeroed(
v: &mut Vec<Self>,
additional: usize,
) -> Result<(), AllocError>where
Self: Sized,
fn extend_vec_zeroed(
v: &mut Vec<Self>,
additional: usize,
) -> Result<(), AllocError>where
Self: Sized,
Extends a
Vec<Self>
by pushing additional
new items onto the end of
the vector. The new items are initialized with zeros.Source§fn insert_vec_zeroed(
v: &mut Vec<Self>,
position: usize,
additional: usize,
) -> Result<(), AllocError>where
Self: Sized,
fn insert_vec_zeroed(
v: &mut Vec<Self>,
position: usize,
additional: usize,
) -> Result<(), AllocError>where
Self: Sized,
Inserts
additional
new items into Vec<Self>
at position
. The new
items are initialized with zeros. Read moreSource§impl IntoBytes for Rusage
impl IntoBytes for Rusage
Source§fn as_mut_bytes(&mut self) -> &mut [u8]where
Self: FromBytes,
fn as_mut_bytes(&mut self) -> &mut [u8]where
Self: FromBytes,
Gets the bytes of this value mutably. Read more
Source§fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
fn write_to(&self, dst: &mut [u8]) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
Source§fn write_to_prefix(
&self,
dst: &mut [u8],
) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
fn write_to_prefix(
&self,
dst: &mut [u8],
) -> Result<(), SizeError<&Self, &mut [u8]>>where
Self: Immutable,
Source§impl KnownLayout for Rusagewhere
i64: KnownLayout,
impl KnownLayout for Rusagewhere
i64: KnownLayout,
Source§type PointerMetadata = <i64 as KnownLayout>::PointerMetadata
type PointerMetadata = <i64 as KnownLayout>::PointerMetadata
The type of metadata stored in a pointer to
Self
. Read moreSource§impl TryFromBytes for Rusage
impl TryFromBytes for Rusage
Source§fn try_ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_bytes(
source: &[u8],
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
Source§fn try_ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_prefix(
source: &[u8],
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
Source§fn try_ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
fn try_ref_from_suffix(
source: &[u8],
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout + Immutable,
Source§fn try_mut_from_bytes(
bytes: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout + IntoBytes,
fn try_mut_from_bytes(
bytes: &mut [u8],
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout + IntoBytes,
Source§fn try_mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout + IntoBytes,
fn try_mut_from_prefix(
source: &mut [u8],
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout + IntoBytes,
Source§fn try_mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout + IntoBytes,
fn try_mut_from_suffix(
source: &mut [u8],
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout + IntoBytes,
Source§fn try_ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn try_ref_from_bytes_with_elems(
source: &[u8],
count: usize,
) -> Result<&Self, ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Source§fn try_ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn try_ref_from_prefix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&Self, &[u8]), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Attempts to interpret the prefix of the given
source
as a &Self
with
a DST length equal to count
. Read moreSource§fn try_ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
fn try_ref_from_suffix_with_elems(
source: &[u8],
count: usize,
) -> Result<(&[u8], &Self), ConvertError<AlignmentError<&[u8], Self>, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + Immutable,
Attempts to interpret the suffix of the given
source
as a &Self
with
a DST length equal to count
. Read moreSource§fn try_mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + IntoBytes,
fn try_mut_from_bytes_with_elems(
source: &mut [u8],
count: usize,
) -> Result<&mut Self, ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + IntoBytes,
Source§fn try_mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + IntoBytes,
fn try_mut_from_prefix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut Self, &mut [u8]), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + IntoBytes,
Attempts to interpret the prefix of the given
source
as a &mut Self
with a DST length equal to count
. Read moreSource§fn try_mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + IntoBytes,
fn try_mut_from_suffix_with_elems(
source: &mut [u8],
count: usize,
) -> Result<(&mut [u8], &mut Self), ConvertError<AlignmentError<&mut [u8], Self>, SizeError<&mut [u8], Self>, ValidityError<&mut [u8], Self>>>where
Self: KnownLayout<PointerMetadata = usize> + IntoBytes,
Attempts to interpret the suffix of the given
source
as a &mut Self
with a DST length equal to count
. Read moreSource§fn try_read_from_bytes(
source: &[u8],
) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_bytes(
source: &[u8],
) -> Result<Self, ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
Source§fn try_read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_prefix(
source: &[u8],
) -> Result<(Self, &[u8]), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
Source§fn try_read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
fn try_read_from_suffix(
source: &[u8],
) -> Result<(&[u8], Self), ConvertError<Infallible, SizeError<&[u8], Self>, ValidityError<&[u8], Self>>>where
Self: Sized,
impl Immutable for Rusage
Auto Trait Implementations§
impl Freeze for Rusage
impl RefUnwindSafe for Rusage
impl Send for Rusage
impl Sync for Rusage
impl Unpin for Rusage
impl UnwindSafe for Rusage
Blanket Implementations§
§impl<T> Any for Twhere
T: 'static + ?Sized,
impl<T> Any for Twhere
T: 'static + ?Sized,
§impl<T> Borrow<T> for Twhere
T: ?Sized,
impl<T> Borrow<T> for Twhere
T: ?Sized,
§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere
T: ?Sized,
§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
Mutably borrows from an owned value. Read more
§impl<T> CloneToUninit for Twhere
T: Clone,
impl<T> CloneToUninit for Twhere
T: Clone,
§unsafe fn clone_to_uninit(&self, dst: *mut u8)
unsafe fn clone_to_uninit(&self, dst: *mut u8)
🔬This is a nightly-only experimental API. (
clone_to_uninit
)