Top: each CPU's own wattage on a two-socket machine, its threads folded under it

Per-package RAPL watts in the sample, the process table and as cpu.package.N.power
sensors. The socket rows collapse with an arrow; the fold is remembered per browser.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

internal/metrics/fold.go

@@ -43,6 +43,21 @@ func fold(b []Sample) Sample {
 	if pn > 0 {
 		out.CPUPower = round1(pw / pn)
 	}
+	// and each package's, the same way
+	out.CPUPowerPkgs = nil
+	for _, s := range b {
+		for i, w := range s.CPUPowerPkgs {
+			for len(out.CPUPowerPkgs) <= i {
+				out.CPUPowerPkgs = append(out.CPUPowerPkgs, 0)
+			}
+			out.CPUPowerPkgs[i] += w
+		}
+	}
+	if pn > 0 {
+		for i := range out.CPUPowerPkgs {
+			out.CPUPowerPkgs[i] = round1(out.CPUPowerPkgs[i] / pn)
+		}
+	}
 	out.Load[0] = sum(func(s Sample) float64 { return s.Load[0] })
 	out.Load[1] = sum(func(s Sample) float64 { return s.Load[1] })
 	out.Load[2] = sum(func(s Sample) float64 { return s.Load[2] })