mem: Add optional request flags to the packet trace

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Submitter:	Andreas Hansson
Repository:	gem5
Branch:	default
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Description

Changeset 9586:cb51609ddbe8
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mem: Add optional request flags to the packet trace

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.

Testing Done

All regressions pass

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src/proto/packet.proto (Diff revision 1)

Just for curiosity, why optional?

Andreas Hansson March 14, 2013, 9:01 a.m. (March 14, 2013, 9:01 a.m.)

I was on the fence regarding this one, but I can see cases where we simply wouldn't store the flags if they are all zero (which is the common case). Similarly, if the trace comes from something that is not a CPU it will most likely not use the flags in the Request.

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Status: Closed (submitted)