Enum dpdk_unix::memory_information::MemoryInformationName

pub enum MemoryInformationName {
    TotalPhysicalRam,
    FreePhysicalRam,
    AvailablePhysicalRam,
    UsedAsFileBuffersPhysicalRam,
    UsedAsCachePhysicalRam,
    TotalSwap,
    FreeSwap,
    UsedAsCacheSwap,
    ActiveFileBufferAndCacheInUse,
    InactiveFileBufferAndCacheAvailable,
    AnonymousActive,
    AnonymousInactive,
    FileActive,
    FileInactive,
    Unevictable,
    WaitingToBeWrittenBackToDisks,
    CurrentlyBeingWrittenBackToDisks,
    UsedForBlockDeviceBounceBuffers,
    NetworkFileSystemUnstablePagesSentToServerButNotYetCommittedToStableStorage,
    MemoryUsedByFuseForTemporaryWritebackBuffers,
    AnonymousMemoryMappedUsingMmap,
    FilesMappedUsingMmap,
    Shmem,
    LockedByMlock,
    Slab,
    SlabReclaimable,
    SlabUnreclaimable,
    KernelStack,
    MemoryDedicatedToLowestPageTableLevel,
    CommitLimit,
    WorstCaseScenarioMemoryRequiredToCompleteWorkloadIncludingSwapMemory,
    TotalVirtualAddressSpaceEgByMalloc,
    UsedVirtualAddressSpaceEgByMalloc,
    LargestContiguousChunkInVirtualAddressSpaceEgByMalloc,
    TotalNumberOfHugePages,
    FreeNumberOfHugePages,
    ReservedNumberOfHugePages,
    SurplusNumberOfHugePages,
    SizeOfAHugePage,
    TransparentHugePagesMemoryUsage,
    DirectMap4k,
    DirectMap2M,
    HardwareCorrupted,
    TotalHighNotDirectlyMappedIntoKernelSpace,
    FreeHighNotDirectlyMappedIntoKernelSpace,
    TotalLowDirectlyMappedIntoKernelSpace,
    FreeLowDirectlyMappedIntoKernelSpace,
    ShmemHugePageUsage,
    ShmemMemoryMappedIntoUserSpaceUsingHugePages,
    Unknown(Box<[u8]>),
}

Memory information names for a process.

Some old help here: https://www.centos.org/docs/5/html/5.1/Deployment_Guide/s2-proc-meminfo.html.

Variants

TotalPhysicalRamFreePhysicalRamAvailablePhysicalRam

An estimate of physical ram available for starting new applications. Always larger than FreePhysicalRam; see https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=34e431b0ae398fc54ea69ff85ec700722c9da773.

UsedAsFileBuffersPhysicalRamUsedAsCachePhysicalRamTotalSwapFreeSwapUsedAsCacheSwapActiveFileBufferAndCacheInUseInactiveFileBufferAndCacheAvailableAnonymousActiveAnonymousInactiveFileActiveFileInactiveUnevictableWaitingToBeWrittenBackToDisks

aka 'Dirty'.

CurrentlyBeingWrittenBackToDisks

aka 'Writeback'.

UsedForBlockDeviceBounceBuffersNetworkFileSystemUnstablePagesSentToServerButNotYetCommittedToStableStorageMemoryUsedByFuseForTemporaryWritebackBuffersAnonymousMemoryMappedUsingMmapFilesMappedUsingMmapShmemLockedByMlockSlabSlabReclaimableSlabUnreclaimableKernelStackMemoryDedicatedToLowestPageTableLevelCommitLimitWorstCaseScenarioMemoryRequiredToCompleteWorkloadIncludingSwapMemoryTotalVirtualAddressSpaceEgByMallocUsedVirtualAddressSpaceEgByMallocLargestContiguousChunkInVirtualAddressSpaceEgByMallocTotalNumberOfHugePages

The number is derived by dividing SizeOfAHugePage by the megabytes set aside for hugepages specified in /proc/sys/vm/hugetlb_pool.

FreeNumberOfHugePagesReservedNumberOfHugePagesSurplusNumberOfHugePagesSizeOfAHugePageTransparentHugePagesMemoryUsage

Not mapped using tlbfs.

DirectMap4kDirectMap2MHardwareCorruptedTotalHighNotDirectlyMappedIntoKernelSpaceFreeHighNotDirectlyMappedIntoKernelSpaceTotalLowDirectlyMappedIntoKernelSpaceFreeLowDirectlyMappedIntoKernelSpaceShmemHugePageUsageShmemMemoryMappedIntoUserSpaceUsingHugePagesUnknown(Box<[u8]>)

Methods

impl MemoryInformationName

pub fn is_deprecated_or_not_understood(&self) -> bool

Deprecated or not understood memory statistic names.

pub fn unit(&self) -> MemoryInformationUnit

Associated memory statistic unit.

Trait Implementations

impl Eq for MemoryInformationName

impl Clone for MemoryInformationName

fn clone(&self) -> MemoryInformationName

Returns a copy of the value.

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

Performs copy-assignment from source.

impl PartialOrd<MemoryInformationName> for MemoryInformationName

fn partial_cmp(&self, other: &MemoryInformationName) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &MemoryInformationName) -> bool

This method tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &MemoryInformationName) -> bool

This method tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &MemoryInformationName) -> bool

This method tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &MemoryInformationName) -> bool

This method tests greater than or equal to (for self and other) and is used by the >= operator.

impl PartialEq<MemoryInformationName> for MemoryInformationName

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

This method tests for self and other values to be equal, and is used by ==.

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

This method tests for !=.

impl Ord for MemoryInformationName

fn cmp(&self, other: &MemoryInformationName) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

Compares and returns the minimum of two values.

impl Hash for MemoryInformationName

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

Feeds this value into the given [Hasher].

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

Feeds a slice of this type into the given [Hasher].

impl Debug for MemoryInformationName

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

Formats the value using the given formatter.