top: tui impl I (irix or solaris)

src/uu/top/src/picker.rs

@@ -223,13 +223,19 @@ fn todo(_pid: u32, _stat: Stat) -> Box<dyn Column> {
     Box::new("TODO".to_string())
 }
 
-fn cpu(pid: u32, _stat: Stat) -> Box<dyn Column> {
+fn cpu(pid: u32, stat: Stat) -> Box<dyn Column> {
     let binding = sysinfo().read().unwrap();
     let Some(proc) = binding.process(Pid::from_u32(pid)) else {
         return PercentValue::new_boxed(0.0);
     };
 
-    PercentValue::new_boxed(proc.cpu_usage())
+    let cpu_usage = if stat.1.irix_mode {
+        proc.cpu_usage()
+    } else {
+        proc.cpu_usage() / binding.cpus().len() as f32
+    };
+
+    PercentValue::new_boxed(cpu_usage)
 }
 
 fn pid(pid: u32, _stat: Stat) -> Box<dyn Column> {

src/uu/top/src/tui/input.rs

@@ -74,6 +74,15 @@ pub fn handle_input(
                 data.write().unwrap().1 = ProcList::new(settings, &tui_stat.read().unwrap());
                 should_update.store(true, Ordering::Relaxed);
             }
+            char!('I') => {
+                {
+                    let mut stat = tui_stat.write().unwrap();
+                    stat.irix_mode = !stat.irix_mode;
+                }
+
+                data.write().unwrap().1 = ProcList::new(settings, &tui_stat.read().unwrap());
+                should_update.store(true, Ordering::Relaxed);
+            }
             char!('l') => {
                 let mut stat = tui_stat.write().unwrap();
                 stat.show_load_avg = !stat.show_load_avg;

src/uu/top/src/tui/stat.rs

@@ -30,6 +30,7 @@ pub(crate) struct TuiStat {
     pub highlight_bold: bool,
     pub show_coordinates: bool,
     pub show_zeros: bool,
+    pub irix_mode: bool,
 
     pub filter: Option<crate::Filter>,
 }
@@ -66,6 +67,7 @@ impl TuiStat {
             highlight_bold: false,
             show_coordinates: false,
             show_zeros: true,
+            irix_mode: true,
 
             filter: None,
         }