From ff0f02534e4e1bf36897c3eca302366d157db834 Mon Sep 17 00:00:00 2001
From: Johan Walles <johan.walles@gmail.com>
Date: Sun, 23 Jul 2023 09:10:58 +0200
Subject: [PATCH] Restore demo behavior

---
 libloadviz/src/cpuload.rs | 35 ++++++++++++++++++++++++++++++++++-
 1 file changed, 34 insertions(+), 1 deletion(-)

diff --git a/libloadviz/src/cpuload.rs b/libloadviz/src/cpuload.rs
index 0f3eeee..370b000 100644
--- a/libloadviz/src/cpuload.rs
+++ b/libloadviz/src/cpuload.rs
@@ -60,9 +60,42 @@ pub fn diff(older: &[LoadCounters], newer: &[LoadCounters]) -> Vec<CpuLoad> {
 /// Hard code load in debug builds to simplify testing the visualization
 #[cfg(all(debug_assertions, not(test)))]
 pub fn diff(_: &[LoadCounters], _: &[LoadCounters]) -> Vec<CpuLoad> {
+    use std::time::{SystemTime, UNIX_EPOCH};
+
+    let secs = SystemTime::now()
+        .duration_since(UNIX_EPOCH)
+        .unwrap()
+        .as_secs();
+    if secs % 20 < 7 {
+        // High user load
+        return vec![
+            CpuLoad {
+                user_0_to_1: 0.7,
+                system_0_to_1: 0.2,
+            },
+            CpuLoad {
+                user_0_to_1: 0.0,
+                system_0_to_1: 0.1,
+            },
+        ];
+    } else if secs % 20 < 14 {
+        // High system load
+        return vec![
+            CpuLoad {
+                user_0_to_1: 0.2,
+                system_0_to_1: 0.7,
+            },
+            CpuLoad {
+                user_0_to_1: 0.1,
+                system_0_to_1: 0.0,
+            },
+        ];
+    }
+
+    // Idle
     return vec![
         CpuLoad {
-            user_0_to_1: 1.0,
+            user_0_to_1: 0.0,
             system_0_to_1: 0.0,
         },
         CpuLoad {