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gpu-compute: dprint instruction requesting translation

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When debugging strange addresses, it is extremely useful to know *what*
instruction calculated that address. This make it much easier to follow
assembly code backwards to find the source of an incorrect address.

This change adds a DPRINTF for GPUTLB that by default prints the
disassembly when a virtual address translation is sent to the TLB.

Change-Id: I5066c064a48c5c48696863eeccd8d011245ef7b2
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/63176
Reviewed-by: Matt Sinclair <mattdsinclair@gmail.com>
Maintainer: Matt Sinclair <mattdsinclair@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
This commit is contained in:
Matthew Poremba
2022-09-05 10:30:20 -07:00
parent b919d9c5c9
commit 9f5c0f2822
1 changed files with 4 additions and 3 deletions
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7
src/gpu-compute/compute_unit.cc
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@@ -1183,9 +1183,10 @@ ComputeUnit::sendRequest(GPUDynInstPtr gpuDynInst, PortID index, PacketPtr pkt)
tlbPort[tlbPort_index].retries.push_back(pkt);
} else {
DPRINTF(GPUTLB,
"CU%d: WF[%d][%d]: Translation for addr %#x sent!\n",
cu_id, gpuDynInst->simdId, gpuDynInst->wfSlotId, tmp_vaddr);
DPRINTF(GPUTLB, "CU%d: WF[%d][%d]: Translation for addr %#x from "
"instruction %s sent!\n", cu_id, gpuDynInst->simdId,
gpuDynInst->wfSlotId, tmp_vaddr,
gpuDynInst->disassemble().c_str());
}
} else {
if (pkt->cmd == MemCmd::MemSyncReq) {