feat(noctalia): add modular Hyprland profiles

2026-07-21 13:42:48 +02:00
parent b79e8e3d08
commit 678ea8228d
11 changed files with 560 additions and 0 deletions
@@ -0,0 +1,59 @@
+-- Sum each logical CPU's interval utilization.  Unlike the built-in average,
+-- this follows Unix tools by allowing the value to exceed 100%.
+local command = [[awk '
+/^cpu[0-9]+ / {
+  total = 0
+  for (i = 2; i <= NF; i++) total += $i
+  idle = $5 + $6
+  printf "%s %.0f %.0f\n", $1, total, idle
+}' /proc/stat]]
+
+local previous = {}
+local request_in_flight = false
+
+function update()
+  noctalia.setUpdateInterval(2000)
+
+  if request_in_flight then
+    return
+  end
+
+  request_in_flight = true
+  noctalia.runAsync(command, function(result)
+    request_in_flight = false
+
+    if result.exitCode ~= 0 then
+      barWidget.setText("CPU —")
+      return
+    end
+
+    local utilization = 0
+    local sampled = 0
+    for line in string.gmatch(result.stdout, "[^\r\n]+") do
+      local name, total, idle = string.match(line, "^(cpu%d+) (%d+) (%d+)$")
+      total = tonumber(total)
+      idle = tonumber(idle)
+      local prior = previous[name]
+
+      if prior ~= nil then
+        local total_delta = total - prior.total
+        local idle_delta = idle - prior.idle
+        if total_delta > 0 then
+          utilization = utilization + (100 * (total_delta - idle_delta) / total_delta)
+          sampled = sampled + 1
+        end
+      end
+
+      previous[name] = { total = total, idle = idle }
+    end
+
+    barWidget.setGlyph("cpu")
+    if sampled > 0 then
+      barWidget.setText(string.format("%.0f%%", utilization))
+      barWidget.setTooltip("Aggregate CPU utilization (100% per logical CPU)")
+    else
+      barWidget.setText("—")
+      barWidget.setTooltip("Sampling CPU utilization…")
+    end
+  end)
+end