Hi Malek,
My bad for not getting any documentation onto the Wiki yet. Have a look at
util/decode_packet_trace which shows you how to decode the information using
python. You could also have a look at the TrafficGen and the ProtoInputStream
to see how the decoding is done.
protoc is used to generate a Python module (or C++ class) for encoding
decoding, and this is then used at run-time. I am not familiar with the
"--encode" functionality of protoc as it is not something I have ever used.
Let me know if there are any issues.
Andreas
From: Malek Musleh <malek.mus...@gmail.com<mailto:malek.mus...@gmail.com>>
Reply-To: gem5 users mailing list
<gem5-users@gem5.org<mailto:gem5-users@gem5.org>>
Date: Sunday, 8 September 2013 21:01
To: gem5 users mailing list <gem5-users@gem5.org<mailto:gem5-users@gem5.org>>
Subject: [gem5-users] Using Protobuf for reading CommMonitor Trace
Hi,
I am using the CommMonitor component to look at a trace of memory address
references between the cpu/cache. I seem to have connected it properly, as in
my output directory I see a protobuf binary file generated for each monitor:
e.g. monitor_0.ptrc, monitor_1.ptrc, etc.
This file generated is a protobuf binary file, but its not clear how I am
supposed to use protoc to read in/print out the contents. It looks like I have
to specify message format from the packet.proto file located in /src/proto/,
but when using the following commandline:
$ protoc --encode=packet.proto monitor_0.ptrc
monitor_0.ptrc:2:48983: Invalid control characters encountered in text.
monitor_0.ptrc:2:48991: Invalid control characters encountered in text.
monitor_0.ptrc:2:48993: Invalid control characters encountered in text.
monitor_0.ptrc:2:49002: Invalid control characters encountered in text.
I am guessing the format of the text should look like the contents in:
tests/quick/se/70.tgen/tgen-simple-dram.cfg
Can someone indicate the proper way to do this? I don't see any
documentation/info on the wiki about TrafficGen/CommMonitor.
Thanks,
Malek
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