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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,166 @@ | ||
| use crate::picker::{sysinfo, systemstat}; | ||
| use bytesize::ByteSize; | ||
| use std::sync::{Mutex, OnceLock}; | ||
| use systemstat::{CPULoad, DelayedMeasurement, Platform}; | ||
|
|
||
| static LOAD_AVERAGE: OnceLock<Mutex<DelayedMeasurement<CPULoad>>> = OnceLock::new(); | ||
|
|
||
| pub(crate) fn cpu_load() -> CPULoad { | ||
| match LOAD_AVERAGE.get() { | ||
| None => { | ||
| LOAD_AVERAGE.get_or_init(|| { | ||
| Mutex::new(systemstat().read().unwrap().cpu_load_aggregate().unwrap()) | ||
| }); | ||
| systemstat() | ||
| .read() | ||
| .unwrap() | ||
| .cpu_load_aggregate() | ||
| .unwrap() | ||
| .done() | ||
| .unwrap() | ||
| } | ||
| Some(v) => { | ||
| let mut v = v.lock().unwrap(); | ||
| let load = v.done().unwrap(); | ||
| *v = systemstat().read().unwrap().cpu_load_aggregate().unwrap(); | ||
| load | ||
| } | ||
| } | ||
| } | ||
|
|
||
| pub(crate) fn header() -> String { | ||
| format!( | ||
| "top - {time} {uptime}, {user}, {load_average}\n\ | ||
| {task}\n\ | ||
| {cpu}\n\ | ||
| {memory}\n\ | ||
| {swap}", | ||
| time = chrono::Local::now().format("%H:%M:%S"), | ||
| uptime = uptime(), | ||
| user = user(), | ||
| load_average = load_average(), | ||
| task = task(), | ||
| cpu = cpu(), | ||
| memory = memory(), | ||
| swap = swap(), | ||
| ) | ||
| } | ||
|
|
||
| fn todo() -> String { | ||
| "TODO".into() | ||
| } | ||
|
|
||
| fn format_memory(memory_b: u64, unit: u64) -> f64 { | ||
| ByteSize::b(memory_b).0 as f64 / unit as f64 | ||
| } | ||
|
|
||
| fn uptime() -> String { | ||
| let binding = systemstat().read().unwrap(); | ||
|
|
||
| let up_seconds = binding.uptime().unwrap().as_secs(); | ||
| let up_minutes = (up_seconds % (60 * 60)) / 60; | ||
| let up_hours = (up_seconds % (24 * 60 * 60)) / (60 * 60); | ||
| let up_days = up_seconds / (24 * 60 * 60); | ||
|
|
||
| let mut res = String::from("up "); | ||
|
|
||
| if up_days > 0 { | ||
| res.push_str(&format!( | ||
| "{} day{}, ", | ||
| up_days, | ||
| if up_days > 1 { "s" } else { "" } | ||
| )); | ||
| } | ||
| if up_hours > 0 { | ||
| res.push_str(&format!("{}:{:0>2}, ", up_hours, up_minutes)); | ||
| } else { | ||
| res.push_str(&format!("{} min, ", up_minutes)); | ||
| } | ||
|
|
||
| res | ||
| } | ||
|
|
||
| //TODO: Implement active user count | ||
| fn user() -> String { | ||
| todo() | ||
| } | ||
|
|
||
| fn load_average() -> String { | ||
| let binding = systemstat().read().unwrap(); | ||
|
|
||
| let load_average = binding.load_average().unwrap(); | ||
| format!( | ||
| "load average: {:.2}, {:.2}, {:.2}", | ||
| load_average.one, load_average.five, load_average.fifteen | ||
| ) | ||
| } | ||
|
|
||
| fn task() -> String { | ||
| let binding = sysinfo().read().unwrap(); | ||
|
|
||
| let process = binding.processes(); | ||
| let mut running_process = 0; | ||
| let mut sleeping_process = 0; | ||
| let mut stopped_process = 0; | ||
| let mut zombie_process = 0; | ||
|
|
||
| for (_, process) in process.iter() { | ||
| match process.status() { | ||
| sysinfo::ProcessStatus::Run => running_process += 1, | ||
| sysinfo::ProcessStatus::Sleep => sleeping_process += 1, | ||
| sysinfo::ProcessStatus::Stop => stopped_process += 1, | ||
| sysinfo::ProcessStatus::Zombie => zombie_process += 1, | ||
| _ => {} | ||
| }; | ||
| } | ||
|
|
||
| format!( | ||
| "Tasks: {} total, {} running, {} sleeping, {} stopped, {} zombie", | ||
| process.len(), | ||
| running_process, | ||
| sleeping_process, | ||
| stopped_process, | ||
| zombie_process, | ||
| ) | ||
| } | ||
|
|
||
| //TODO: Implement hardware interrupt, software interrupt and steal time | ||
| fn cpu() -> String { | ||
| let cpu = cpu_load(); | ||
| format!( | ||
| "%Cpu(s): {:.1} us, {:.1} sy, {:.1} ni, {:.1} id, {:.1} wa", | ||
| cpu.user * 100.0, | ||
| cpu.system * 100.0, | ||
| cpu.nice * 100.0, | ||
| cpu.idle * 100.0, | ||
| cpu.platform.iowait * 100.0 | ||
| ) | ||
| } | ||
|
|
||
| fn memory() -> String { | ||
| let binding = sysinfo().read().unwrap(); | ||
| //TODO: unit from argument | ||
| let unit = bytesize::MIB; | ||
|
|
||
| format!( | ||
| "MiB Mem : {:8.1} total, {:8.1} free, {:8.1} used, {:8.1} buff/cache", | ||
| format_memory(binding.total_memory(), unit), | ||
| format_memory(binding.free_memory(), unit), | ||
| format_memory(binding.used_memory(), unit), | ||
| format_memory(binding.total_memory() - binding.free_memory(), unit), | ||
| ) | ||
| } | ||
|
|
||
| fn swap() -> String { | ||
| let binding = sysinfo().read().unwrap(); | ||
| //TODO: unit from argument | ||
| let unit = bytesize::MIB; | ||
|
|
||
| format!( | ||
| "MiB Swap: {:8.1} total, {:8.1} free, {:8.1} used, {:8.1} avail Mem", | ||
| format_memory(binding.total_swap(), unit), | ||
| format_memory(binding.free_swap(), unit), | ||
| format_memory(binding.used_swap(), unit), | ||
| format_memory(binding.total_memory() - binding.free_memory(), unit), | ||
| ) | ||
| } |
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