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cpu: Move commit stats from simple to base cpu

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Created stat group CommitCPUStats in BaseCPU and copied stats from the
simple cpu model.

The stats copied from SimpleCPU are numCondCtrlInsts, numFpInsts,
numIntInsts, numLoadInsts, numStoreInsts, numVecInsts.

Copied committedControl of MinorCPU to BaseCPU::CommittedCPUStats. In
MinorCPU, this stat was a 2D vector, where the first dimension is the
thread ID. In base it is now  a 1D vector that is tied to a thread ID
via the commitStats vector.

The committedControl stat vector in CommitCPUStats is updated in the
same way in all CPU models. The function updateComCtrlStats will
update committedControl and the CPU models will call this function
instead of updating committedControl directly. This function takes
a StaticInstPtr as input, which Simple, Minor, and O3 CPU models are
able to provide.

Duplicate stat "branches" in O3 commit with
BaseCPU::CommittedCPUStats::committedControl::IsControl.

O3 commit stats floating, integer, loads, memRefs, vectorInstructions
are duplicated  by numFpInsts, numIntInsts, numLoadInsts, numMemRefs,
numVecInsts from BaseCPU::CommitCPUStats respectively. Implemented
numStoreInsts from BaseCPU::commitCPUStats for O3 commit stage.

Change-Id: Ie6f176623091159622d53e9899d780f235fce525
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/69099
Maintainer: Bobby Bruce <bbruce@ucdavis.edu>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Bobby Bruce <bbruce@ucdavis.edu>
This commit is contained in:
Melissa Jost
2023-03-13 02:55:56 -07:00
committed by Bobby Bruce
parent 32b18dcc60
commit ea2bbe26fc
5 changed files with 137 additions and 3 deletions
Download Patch File Download Diff File Expand all files Collapse all files

11
src/cpu/simple/base.cc
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@@ -408,6 +408,7 @@ BaseSimpleCPU::postExecute()
if (curStaticInst->isInteger()){
// update both old and new stats
executeStats[t_info.thread->threadId()]->numIntAluAccesses++;
commitStats[t_info.thread->threadId()]->numIntInsts++;
t_info.execContextStats.numIntAluAccesses++;
t_info.execContextStats.numIntInsts++;
}
@@ -416,6 +417,7 @@ BaseSimpleCPU::postExecute()
if (curStaticInst->isFloating()){
// update both old and new stats
executeStats[t_info.thread->threadId()]->numFpAluAccesses++;
commitStats[t_info.thread->threadId()]->numFpInsts++;
t_info.execContextStats.numFpAluAccesses++;
t_info.execContextStats.numFpInsts++;
}
@@ -424,6 +426,7 @@ BaseSimpleCPU::postExecute()
if (curStaticInst->isVector()){
// update both old and new stats
executeStats[t_info.thread->threadId()]->numVecAluAccesses++;
commitStats[t_info.thread->threadId()]->numVecInsts++;
t_info.execContextStats.numVecAluAccesses++;
t_info.execContextStats.numVecInsts++;
}
@@ -446,14 +449,22 @@ BaseSimpleCPU::postExecute()
//result bus acceses
if (curStaticInst->isLoad()){
// update both old and new stats
commitStats[t_info.thread->threadId()]->numLoadInsts++;
t_info.execContextStats.numLoadInsts++;
}
if (curStaticInst->isStore() || curStaticInst->isAtomic()){
// update both old and new stats
commitStats[t_info.thread->threadId()]->numStoreInsts++;
t_info.execContextStats.numStoreInsts++;
}
/* End power model statistics */
// update both old and new stats
commitStats[t_info.thread->threadId()]
->committedInstType[curStaticInst->opClass()]++;
commitStats[t_info.thread->threadId()]->updateComCtrlStats(curStaticInst);
t_info.execContextStats.statExecutedInstType[curStaticInst->opClass()]++;
if (FullSystem)