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Usage

Struct Usage 

#[repr(transparent)]
pub struct Usage(rusage);
Expand description

Output of getrusage with information about resource usage. Some of the fields may be unused in some platforms, and will be always zeroed out. See their manuals for details.

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§0: rusage

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impl Usage

pub fn user_time(&self) -> TimeVal

Total amount of time spent executing in user mode.

pub fn system_time(&self) -> TimeVal

Total amount of time spent executing in kernel mode.

pub fn max_rss(&self) -> i64

The resident set size at its peak, in kilobytes.

pub fn shared_integral(&self) -> i64

Integral value expressed in kilobytes times ticks of execution indicating the amount of text memory shared with other processes.

pub fn unshared_data_integral(&self) -> i64

Integral value expressed in kilobytes times ticks of execution indicating the amount of unshared memory used by data.

pub fn unshared_stack_integral(&self) -> i64

Integral value expressed in kilobytes times ticks of execution indicating the amount of unshared memory used for stack space.

pub fn minor_page_faults(&self) -> i64

Number of page faults that were served without resorting to I/O, with pages that have been allocated previously by the kernel.

pub fn major_page_faults(&self) -> i64

Number of page faults that were served through I/O (i.e. swap).

pub fn full_swaps(&self) -> i64

Number of times all of the memory was fully swapped out.

pub fn block_reads(&self) -> i64

Number of times a read was done from a block device.

pub fn block_writes(&self) -> i64

Number of times a write was done to a block device.

pub fn ipc_sends(&self) -> i64

Number of IPC messages sent.

pub fn ipc_receives(&self) -> i64

Number of IPC messages received.

pub fn signals(&self) -> i64

Number of signals received.

pub fn voluntary_context_switches(&self) -> i64

Number of times a context switch was voluntarily invoked.

pub fn involuntary_context_switches(&self) -> i64

Number of times a context switch was imposed by the kernel (usually due to time slice expiring or preemption by a higher priority process).

Trait Implementations§

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impl AsMut<rusage> for Usage

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fn as_mut(&mut self) -> &mut rusage

Converts this type into a mutable reference of the (usually inferred) input type.
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impl AsRef<rusage> for Usage

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fn as_ref(&self) -> &rusage

Converts this type into a shared reference of the (usually inferred) input type.
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impl Clone for Usage

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fn clone(&self) -> Usage

Returns a duplicate of the value. Read more
1.0.0 (const: unstable) · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Copy for Usage

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impl Debug for Usage

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

Formats the value using the given formatter. Read more
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impl Eq for Usage

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impl Hash for Usage

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fn hash<__H>(&self, state: &mut __H)
where __H: Hasher,

Feeds this value into the given Hasher. Read more
1.3.0 · Source§

fn hash_slice<H>(data: &[Self], state: &mut H)
where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher. Read more
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impl PartialEq for Usage

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fn eq(&self, other: &Usage) -> bool

Tests for self and other values to be equal, and is used by ==.
1.0.0 (const: unstable) · Source§

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl StructuralPartialEq for Usage

Auto Trait Implementations§

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impl Freeze for Usage

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impl RefUnwindSafe for Usage

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impl Send for Usage

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impl Sync for Usage

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impl Unpin for Usage

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impl UnsafeUnpin for Usage

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impl UnwindSafe for Usage

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Mutably borrows from an owned value. Read more
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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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