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This patch adds an optional generic 64-bit identifier field to the
packet trace. This can be used to store the sequential number of the
instruction that gave rise to the packet, thread id, master id,
"sub"-master within a larger module etc. As the field is optional it
has a marginal cost if not used.
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This patch adds an optional flags field to the packet trace to encode
the request flags that contain information about whether the request
is (un)cacheable, instruction fetch, preftech etc.
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This patch fixes a compilation error encountered using clang 3.2 on OSX.
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This patch adds support for inputting protobuf messages through a
ProtoInputStream which hides the internal streams used by the
library. The stream is created based on the name of an input file and
optionally includes decompression using gzip.
The input stream will start by getting a magic number from the file,
and also verify that it matches with the expected value. Once opened,
messages can be read incrementally from the stream, returning
true/false until an error occurs or the end of the file is reached.
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This patch adds packet tracing to the communication monitor using a
protobuf as the mechanism for creating the trace.
If no file is specified, then the tracing is disabled. If a file is
specified, then for every packet that is successfully sent, a protobuf
message is serialized to the file.
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This patch adds support for outputting protobuf messages through a
ProtoOutputStream which hides the internal streams used by the
library. The stream is created based on the name of an output file and
optionally includes compression using gzip.
The output stream will start by putting a magic number in the file,
and then for every message that is serialized prepend the size such
that the stream can be written and read incrementally. At this point
this merely serves as a proof of concept.
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