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-rwxr-xr-xutil/decode_packet_trace.py18
1 files changed, 17 insertions, 1 deletions
diff --git a/util/decode_packet_trace.py b/util/decode_packet_trace.py
index 9ee877e39..fa0ea9604 100755
--- a/util/decode_packet_trace.py
+++ b/util/decode_packet_trace.py
@@ -80,7 +80,23 @@
import struct
import sys
-import packet_pb2
+
+# Import the packet proto definitions. If they are not found, attempt
+# to generate them automatically. This assumes that the script is
+# executed from the gem5 root.
+try:
+ import packet_pb2
+except:
+ print "Did not find packet proto definitions, attempting to generate"
+ from subprocess import call
+ error = call(['protoc', '--python_out=util', '--proto_path=src/proto',
+ 'src/proto/packet.proto'])
+ if not error:
+ import packet_pb2
+ print "Generated packet proto definitions"
+ else:
+ print "Failed to import packet proto definitions"
+ exit(-1)
def DecodeVarint(in_file):
"""