Adding scripts, commands, and logging scaffolding

scripts/energy_post.py

@@ -0,0 +1,51 @@
+#!/usr/bin/env python3
+import csv
+import os
+
+ROOT = "/home/carlos/projects/gem5"
+OUT_DATA = os.path.join(ROOT, "gem5-data", "SmartEdgeAI", "results")
+OUT_IOT = os.path.join(ROOT, "iot", "results")
+
+src = os.path.join(OUT_DATA, "summary.csv")
+dst_data = os.path.join(OUT_DATA, "summary_energy.csv")
+dst_iot = os.path.join(OUT_IOT, "summary_energy.csv")
+
+# Your model constants (document in Methods)
+EPI_PJ = {"big": 200.0, "little": 80.0, "hybrid": 104.0}
+E_MEM_PJ = 600.0
+DROWSY_SCALE = 0.85
+
+rows = []
+with open(src) as f:
+    r = csv.DictReader(f)
+    for row in r:
+        insts = float(row["insts"])
+        secs = float(row["sim_seconds"])
+        core = row["core"]
+        drowsy = int(row["drowsy"])
+        epi = EPI_PJ.get(core, EPI_PJ["little"])
+        mr = float(row["l2_miss_rate"]) if row["l2_miss_rate"] else 0.0
+
+        l2_misses = mr * insts
+        energy = (epi * 1e-12) * insts + (E_MEM_PJ * 1e-12) * l2_misses
+        if drowsy == 1:
+            energy *= DROWSY_SCALE
+        power = energy / secs if secs > 0 else 0.0
+        edp = energy * secs
+
+        row.update(
+            {
+                "energy_J": f"{energy:.6f}",
+                "power_W": f"{power:.6f}",
+                "edp": f"{edp:.6e}",
+                "epi_model_pJ": f"{epi:.1f}",
+            }
+        )
+        rows.append(row)
+
+for path in (dst_data, dst_iot):
+    with open(path, "w", newline="") as f:
+        w = csv.DictWriter(f, fieldnames=list(rows[0].keys()))
+        w.writeheader()
+        w.writerows(rows)
+print(f"[energy] wrote {dst_data} and mirrored to {dst_iot}")