Struct procfs::DiskStat

pub struct DiskStat {

    pub major: i32,
    pub minor: i32,
    pub name: String,
    pub reads: u64,
    pub merged: u64,
    pub sectors_read: u64,
    pub time_reading: u64,
    pub writes: u64,
    pub writes_merged: u64,
    pub sectors_written: u64,
    pub time_writing: u64,
    pub in_progress: u64,
    pub time_in_progress: u64,
    pub weighted_time_in_progress: u64,
    pub discards: Option<u64>,
    pub discards_merged: Option<u64>,
    pub sectors_discarded: Option<u64>,
    pub time_discarding: Option<u64>,
    pub flushes: Option<u64>,
    pub time_flushing: Option<u64>,
}

Disk IO stat information

To fully understand these fields, please see the iostats.txt kernel documentation.

For an example, see the diskstats.rs example in the source repo.

Fields

major: i32

The device major number

minor: i32

The device minor number

name: String

Device name

reads: u64

Reads completed successfully

This is the total number of reads completed successfully

merged: u64

Reads merged

The number of adjacent reads that have been merged for efficiency.

sectors_read: u64

Sectors read successfully

This is the total number of sectors read successfully.

time_reading: u64

Time spent reading (ms)

writes: u64

writes completed

writes_merged: u64

writes merged

The number of adjacent writes that have been merged for efficiency.

sectors_written: u64

Sectors written successfully

time_writing: u64

Time spent writing (ms)

in_progress: u64

I/Os currently in progress

time_in_progress: u64

Time spent doing I/Os (ms)

weighted_time_in_progress: u64

Weighted time spent doing I/Os (ms)

discards: Option<u64>

Discards completed successfully

(since kernel 4.18)

discards_merged: Option<u64>

Discards merged

sectors_discarded: Option<u64>

Sectors discarded

time_discarding: Option<u64>

Time spent discarding

flushes: Option<u64>

Flush requests completed successfully

(since kernel 5.5)

time_flushing: Option<u64>

Time spent flushing

Implementations

impl DiskStat

pub fn from_line(line: &str) -> ProcResult<DiskStat>

Trait Implementations

impl Clone for DiskStat

fn clone(&self) -> DiskStat

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for DiskStat

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

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for DiskStat

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for DiskStat

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>where __S: Serializer,

Serialize this value into the given Serde serializer.