18fdd87c8c
git-svn-id: https://www4.informatik.uni-erlangen.de/i4svn/danceos/trunk/devel/fail@1297 8c4709b5-6ec9-48aa-a5cd-a96041d1645a
48 lines
1.0 KiB
Python
Executable File
48 lines
1.0 KiB
Python
Executable File
#! /usr/bin/env python
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# create python bindings before running:
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# protoc --python_out=. trace.proto
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import trace_pb2
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import sys
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import struct
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if len(sys.argv) != 2:
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print "Usage:", sys.argv[0], "tracefile.pb"
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sys.exit(-1)
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trace_event = trace_pb2.Trace_Event()
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try:
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f = open(sys.argv[1], "rb")
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except IOError:
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print sys.argv[1] + ": Could not open file."
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sys.exit(-1)
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while 1:
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# Read trace length
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try:
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lengthNO = f.read(4)
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if len(lengthNO) == 0:
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break
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except IOError:
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print "Could not read data from file"
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# Read Trace-Event
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length = struct.unpack('!I', lengthNO)[0]
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trace_event.ParseFromString(f.read(length))
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# This works for any type of pb message:
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#print trace_event
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# More compact dump for traces:
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if not trace_event.HasField("memaddr"):
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print "IP {0:x}".format(trace_event.ip)
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else:
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print "MEM {0} {1:x} width {2:d} IP {3:x}".format(
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"R" if trace_event.accesstype == trace_pb2.Trace_Event.READ else "W",
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trace_event.memaddr, trace_event.width, trace_event.ip)
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f.close()
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