scxtop: adding uid to the process list.

Signed-off-by: David Carlier <[email protected]>

Author: devnexen

tools/scxtop/src/app.rs

@@ -2212,10 +2212,12 @@ impl<'a> App<'a> {
     fn create_process_columns() -> Vec<Column> {
         vec![
             Column {
-                header: "TGID",
+                header: "TGID/UID",
                 constraint: Constraint::Length(8),
                 visible: true,
-                value_fn: Box::new(|tgid, _| tgid.to_string()),
+                value_fn: Box::new(|tgid, data| {
+                    format!("{}/{}", tgid.to_string(), data.uid.to_string())
+                }),
             },
             Column {
                 header: "Name",
@@ -2325,6 +2327,7 @@ impl<'a> App<'a> {
                 .partial_cmp(&a.1.cpu_util_perc)
                 .unwrap_or(std::cmp::Ordering::Equal)
                 .then_with(|| b.1.threads.len().cmp(&a.1.threads.len()))
+                .then_with(|| b.1.uid.cmp(&a.1.uid))
         });
 
         let rows = sorted_view.into_iter().map(|(i, data)| {

tools/scxtop/src/proc_data.rs

@@ -14,6 +14,7 @@ use std::collections::BTreeMap;
 #[derive(Clone, Debug)]
 pub struct ProcData {
     pub tgid: i32,
+    pub uid: u32,
     pub process_name: String,
     pub cpu: i32,
     pub llc: Option<u32>,
@@ -48,6 +49,7 @@ impl ProcData {
 
         let proc_data = Self {
             tgid: process.pid,
+            uid: process.uid().unwrap(),
             process_name: std::mem::take(&mut proc_stats.comm),
             cpu,
             llc: None,