Struct sysinfo::System

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pub struct System { /* private fields */ }
Expand description

Structs containing system’s information.

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impl Debug for System

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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 Default for System

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fn default() -> System

Returns the “default value” for a type. Read more
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impl SystemExt for System

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const IS_SUPPORTED: bool = true

Returns true if this OS is supported. Please refer to the crate-level documentation to get the list of supported OSes. Read more
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const SUPPORTED_SIGNALS: &'static [Signal] = _

Returns the list of the supported signals on this system (used by ProcessExt::kill_with). Read more
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fn new_with_specifics(refreshes: RefreshKind) -> System

Creates a new System instance and refresh the data corresponding to the given RefreshKind. Read more
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fn refresh_components_list(&mut self)

Refreshes components list. Read more
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fn refresh_memory(&mut self)

Refreshes RAM and SWAP usage. Read more
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fn refresh_cpu_specifics(&mut self, refresh_kind: CpuRefreshKind)

Refreshes CPUs specific information. Read more
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fn refresh_processes_specifics(&mut self, refresh_kind: ProcessRefreshKind)

Gets all processes and updates the specified information. Read more
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fn refresh_process_specifics( &mut self, pid: Pid, refresh_kind: ProcessRefreshKind, ) -> bool

Refreshes only the process corresponding to pid. Returns false if the process doesn’t exist (it will NOT be removed from the processes if it doesn’t exist anymore). If it isn’t listed yet, it’ll be added. Read more
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fn refresh_disks_list(&mut self)

The disk list will be emptied then completely recomputed. Read more
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fn refresh_users_list(&mut self)

Refreshes users list. Read more
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fn processes(&self) -> &HashMap<Pid, Process>

Returns the process list. Read more
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fn process(&self, pid: Pid) -> Option<&Process>

Returns the process corresponding to the given pid or None if no such process exists. Read more
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fn networks(&self) -> &Networks

Returns the network interfaces object. Read more
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fn networks_mut(&mut self) -> &mut Networks

Returns a mutable access to network interfaces. Read more
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fn global_cpu_info(&self) -> &Cpu

Returns “global” cpus information (aka the addition of all the CPUs). Read more
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fn cpus(&self) -> &[Cpu]

Returns the list of the CPUs. Read more
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fn physical_core_count(&self) -> Option<usize>

Returns the number of physical cores on the CPU or None if it couldn’t get it. Read more
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fn total_memory(&self) -> u64

Returns the RAM size in bytes. Read more
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fn free_memory(&self) -> u64

Returns the amount of free RAM in bytes. Read more
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fn available_memory(&self) -> u64

Returns the amount of available RAM in bytes. Read more
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fn used_memory(&self) -> u64

Returns the amount of used RAM in bytes. Read more
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fn total_swap(&self) -> u64

Returns the SWAP size in bytes. Read more
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fn free_swap(&self) -> u64

Returns the amount of free SWAP in bytes. Read more
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fn used_swap(&self) -> u64

Returns the amount of used SWAP in bytes. Read more
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fn components(&self) -> &[Component]

Returns the components list. Read more
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fn components_mut(&mut self) -> &mut [Component]

Returns a mutable components list. Read more
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fn disks(&self) -> &[Disk]

Returns the disks list. Read more
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fn disks_mut(&mut self) -> &mut [Disk]

Returns the disks list. Read more
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fn sort_disks_by<F>(&mut self, compare: F)
where F: FnMut(&Disk, &Disk) -> Ordering,

Sort the disk list with the provided callback. Read more
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fn uptime(&self) -> u64

Returns system uptime (in seconds). Read more
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fn boot_time(&self) -> u64

Returns the time (in seconds) when the system booted since UNIX epoch. Read more
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fn load_average(&self) -> LoadAvg

Returns the system load average value. Read more
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fn users(&self) -> &[User]

Returns the users list. Read more
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fn name(&self) -> Option<String>

Returns the system name. Read more
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fn long_os_version(&self) -> Option<String>

Returns the system long os version (e.g “MacOS 11.2 BigSur”). Read more
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fn host_name(&self) -> Option<String>

Returns the system hostname based off DNS Read more
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fn kernel_version(&self) -> Option<String>

Returns the system’s kernel version. Read more
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fn os_version(&self) -> Option<String>

Returns the system version (e.g. for MacOS this will return 11.1 rather than the kernel version). Read more
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fn distribution_id(&self) -> String

Returns the distribution id as defined by os-release, or std::env::consts::OS. Read more
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fn new() -> Self

Creates a new System instance with nothing loaded. If you want to load components, network interfaces or the disks, you’ll have to use the refresh_*_list methods. SystemExt::refresh_networks_list for example. Read more
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fn new_all() -> Self

Creates a new System instance with everything loaded. Read more
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fn refresh_specifics(&mut self, refreshes: RefreshKind)

Refreshes according to the given RefreshKind. It calls the corresponding “refresh_” methods. Read more
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fn refresh_all(&mut self)

Refreshes all system, processes, disks and network interfaces information. Read more
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fn refresh_system(&mut self)

Refreshes system information (RAM, swap, CPU usage and components’ temperature). Read more
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fn refresh_cpu(&mut self)

Refreshes CPUs information. Read more
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fn refresh_components(&mut self)

Refreshes components’ temperature. Read more
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fn refresh_processes(&mut self)

Gets all processes and updates their information. Read more
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fn refresh_process(&mut self, pid: Pid) -> bool

Refreshes only the process corresponding to pid. Returns false if the process doesn’t exist (it will NOT be removed from the processes if it doesn’t exist anymore). If it isn’t listed yet, it’ll be added. Read more
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fn refresh_disks(&mut self)

Refreshes the listed disks’ information. Read more
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fn refresh_networks(&mut self)

Refreshes networks data. Read more
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fn refresh_networks_list(&mut self)

The network list will be updated: removing not existing anymore interfaces and adding new ones. Read more
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fn processes_by_name<'a>( &'a self, name: &'a str, ) -> Box<dyn Iterator<Item = &'a Process> + 'a>

Returns an iterator of process containing the given name. Read more
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fn processes_by_exact_name<'a>( &'a self, name: &'a str, ) -> Box<dyn Iterator<Item = &'a Process> + 'a>

Returns an iterator of processes with exactly the given name. Read more
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fn get_user_by_id(&self, user_id: &Uid) -> Option<&User>

Returns the User matching the given user_id. Read more

Auto Trait Implementations§

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impl Freeze for System

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impl RefUnwindSafe for System

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impl Send for System

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impl Sync for System

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impl Unpin for System

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impl UnwindSafe for System

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> 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> Pointable for T

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const ALIGN: usize = _

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. 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.