From 768a90de103755fa995c9f4e23e1f498e763aff2 Mon Sep 17 00:00:00 2001
From: JanLJL <jan.laukemann@fau.de>
Date: Thu, 7 Jan 2021 12:40:16 +0100
Subject: [PATCH] cover kernel with only unknown instructions

---
 osaca/frontend.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/osaca/frontend.py b/osaca/frontend.py
index 580d82b..07baaef 100755
--- a/osaca/frontend.py
+++ b/osaca/frontend.py
@@ -278,6 +278,9 @@ class Frontend(object):
         else:
             # lcd_sum already calculated before
             tp_sum = ArchSemantics.get_throughput_sum(kernel)
+            # if ALL instructions are unknown, take a line of 0s
+            if not tp_sum:
+                tp_sum = kernel[0]['port_pressure']
             cp_sum = sum([x['latency_cp'] for x in cp_kernel])
             s += (
                 lineno_filler