Fix place_and_route benchmark metrics extraction

Author: ericastor

place_and_route/private/benchmark.bzl

@@ -70,21 +70,21 @@ def benchmark(ctx, open_road_info):
         "echo \"# proto-message: hdl.ppa.PowerPerformanceAreaProto\n\" >> {out};".format(out = benchmark_path),
     ]
     awk_cmds = [
-        "area=$(cat {log} | awk '/Design area/ {{ print $3 }}');",
-        "util_fraction=$(cat {log} | awk -F '[ %]' '/Design area/ {{ printf(\"%.3f\", $5 / 100.0); }}');",
+        "area=$(cat {log} | awk '/^Design area/ {{ print $3 }}');",
+        "util_fraction=$(cat {log} | awk -F '[ %]' '/^Design area/ {{ printf(\"%.3f\", $5 / 100.0); }}');",
         "combos=$(cat {log} | awk '/combinational cell/ {{ print $4 }}');",
         "combos_area=$(cat {log} | awk '/combinational cell/ {{ print $5 }}');",
-        "seq=$(cat {log} | awk '/Sequential cell/ {{ print $3 }}');",
-        "seq_area=$(cat {log} | awk '/Sequential cell/ {{ print $4 }}');",
-        "buffs=$(cat {log} | awk '/Buffer/ {{ buffer=$2; exit }} END {{ print buffers }}');",
-        "buffs_area=$(cat {log} | awk '/Buffer/ {{ buffer=$2; exit }} END {{ print buffers }}');",
-        "tbuffs=$(cat {log} | awk '/Timing Repair Buffer/ {{ print $4 }}');",
-        "tbuffs_area=$(cat {log} | awk '/Timing Repair Buffer/ {{ print $4 }}');",
-        "inverters=$(cat {log} | awk '/Inverter/ {{ print $2 }}');",
-        "inverters_area=$(cat {log} | awk '/Inverter/ {{ print $2 }}');",
-        "wns_ps=$(cat {log} | awk '/wns/ {{ printf(\"%.0f\", $2 * 1000); }}');",
-        "tns_ps=$(cat {log} | awk '/tns/ {{ printf(\"%.0f\", $2 * 1000); }}');",
-        "period=$(cat {log} | awk '/clk  / {{ period=$2; exit }} END {{ printf(\"%.0f\", period * 1000); }}');",
+        "seq=$(cat {log} | awk '/^\\s*Sequential cell/ {{ print $3 }}');",
+        "seq_area=$(cat {log} | awk '/^\\s*Sequential cell/ {{ print $4 }}');",
+        "buffs=$(cat {log} | awk '/^\\s*Buffer/ {{ buffer=$2; exit }} END {{ print buffer }}');",
+        "buffs_area=$(cat {log} | awk '/^\\s*Buffer/ {{ buffer=$3; exit }} END {{ print buffer }}');",
+        "tbuffs=$(cat {log} | awk '/^\\s*Timing Repair Buffer/ {{ print $4 }}');",
+        "tbuffs_area=$(cat {log} | awk '/^\\s*Timing Repair Buffer/ {{ print $5 }}');",
+        "inverters=$(cat {log} | awk '/^\\s*Inverter/ {{ print $2 }}');",
+        "inverters_area=$(cat {log} | awk '/^\\s*Inverter/ {{ print $3 }}');",
+        "wns_ps=$(cat {log} | awk '/^wns max/ {{ printf(\"%.0f\", $3 * 1000); }}');",
+        "tns_ps=$(cat {log} | awk '/^tns max/ {{ printf(\"%.0f\", $3 * 1000); }}');",
+        "period=$(cat {log} | awk '/^clk  / {{ period=$2; exit }} END {{ printf(\"%.0f\", period * 1000); }}');",
         "cpl=$(cat {log} | awk '/period_min/ {{ cpl=$4; exit }} END {{ printf(\"%.0f\", cpl * 1000); }}');",
         "fmax=$(cat {log} | awk '/fmax/ {{ fmax=$7; exit }} END {{ print fmax }}');",
         "tot_pow=$(cat {log} | awk '/^Total / {{ total_power=$5 }} END {{ print total_power }}');",