results: add dctcp experiment parse script along with qemu data

results/dctcp.py

+import itertools
+import sys
+import utils.iperf
+
+if len(sys.argv) != 2:
+    print('Usage: dctcp.py OUTDIR')
+    sys.exit(1)
+
+basedir = sys.argv[1] + '/'
+
+types_of_host = ['gt', 'qt']
+mtus = [1500, 4000]
+max_k = 199680
+k_step = 16640
+
+configs = list(itertools.product(types_of_host, mtus))
+confignames = [h + '-' + str(mtu) for h, mtu in configs]
+print('\t'.join(['threshold'] + confignames))
+
+
+for k_val in range(0, max_k + 1, k_step):
+    line = [str(k_val)]
+    for h, mtu in configs:
+        path_pat = '%s%s-ib-dumbbell-DCTCPm%d-%d' % (basedir, h, k_val, mtu)
+        res = utils.iperf.parse_iperf(path_pat)
+
+        if res['avg'] is None:
+            line.append('')
+            continue
+
+        tp = res['avg']
+        # TP * (MTU + ETH(14(MAC) + 24(PHY))) / (MTU - IP (20) - TCP w/option (24))
+        tp_calib = tp * (mtu + (14 + 24)) / (mtu - 20 - 24)
+        line.append('%.2f' % (tp_calib))
+
+    print('\t'.join(line))