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refactor: Clean up memory collection code (#1045)

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Clement Tsang 2023-03-05 02:31:45 -05:00 committed by GitHub
parent 3510563638
commit 8489c4bc10
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1 changed files with 44 additions and 51 deletions
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19
src/app/data_harvester/memory/sysinfo.rs
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@ -52,17 +52,18 @@ pub(crate) fn get_swap_data(sys: &System) -> Option<MemHarvest> {
#[cfg(feature = "zfs")]
pub(crate) fn get_arc_data() -> Option<MemHarvest> {
let (mem_total_in_kib, mem_used_in_kib) = {
#[cfg(target_os = "linux")]
cfg_if::cfg_if! {
if #[cfg(target_os = "linux")]
{
// TODO: [OPT] is this efficient?
use std::fs::read_to_string;
if let Ok(arcinfo) = read_to_string("/proc/spl/kstat/zfs/arcstats") {
if let Ok(arc_stats) = read_to_string("/proc/spl/kstat/zfs/arcstats") {
let mut mem_arc = 0;
let mut mem_total = 0;
let mut zfs_keys_read: u8 = 0;
const ZFS_KEYS_NEEDED: u8 = 2;
for line in arcinfo.lines() {
for line in arc_stats.lines() {
if let Some((label, value)) = line.split_once(' ') {
let to_write = match label {
"size" => &mut mem_arc,
@ -89,10 +90,7 @@ pub(crate) fn get_arc_data() -> Option<MemHarvest> {
} else {
(0, 0)
}
}
#[cfg(target_os = "freebsd")]
{
} else if #[cfg(target_os = "freebsd")] {
use sysctl::Sysctl;
if let (Ok(mem_arc_value), Ok(mem_sys_value)) = (
sysctl::Ctl::new("kstat.zfs.misc.arcstats.size"),
@ -108,14 +106,9 @@ pub(crate) fn get_arc_data() -> Option<MemHarvest> {
} else {
(0, 0)
}
}
#[cfg(target_os = "macos")]
{
} else {
(0, 0)
}
#[cfg(target_os = "windows")]
{
(0, 0)
}
};