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mem: port: add TracingExtension for debug purpose

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TracingExtension contains a stack recording the port names
passed through of the Packet. The target receiving the Packet
can dump out the whole path of this Packet for the debug purpose.
This mechanism can be enabled with the debug flag PortTrace.

Change-Id: Ic11e708b35fdddc4f4b786d91b35fd4def08948c
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/71538
Reviewed-by: Jason Lowe-Power <power.jg@gmail.com>
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Yu-hsin Wang <yuhsingw@google.com>
This commit is contained in:
Yan Lee
2023-05-23 01:07:45 -07:00
parent aff1e7b64c
commit d5bdf6cf79
3 changed files with 92 additions and 6 deletions
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src/mem/SConscript
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@@ -151,6 +151,7 @@ DebugFlag('MemCtrl')
DebugFlag('MMU')
DebugFlag('MemoryAccess')
DebugFlag('PacketQueue')
DebugFlag("PortTrace")
DebugFlag('ResponsePort')
DebugFlag('StackDist')
DebugFlag("DRAMSim2")