Javier Bueno Hedo has uploaded this change for review. (
https://gem5-review.googlesource.com/c/public/gem5/+/17632
Change subject: cpu: Added a probe to notify the address of retired
instructions
......................................................................
cpu: Added a probe to notify the address of retired instructions
A probe is added to notify the address of each retired instruction.
Change-Id: Iefc1b09d74b3aa0aa5773b17ba637bf51f5a59c9
---
M src/cpu/base.cc
M src/cpu/base.hh
M src/cpu/minor/execute.cc
M src/cpu/o3/cpu.cc
M src/cpu/simple/base.cc
5 files changed, 12 insertions(+), 5 deletions(-)
diff --git a/src/cpu/base.cc b/src/cpu/base.cc
index 8dfcf3c..0f239d8 100644
--- a/src/cpu/base.cc
+++ b/src/cpu/base.cc
@@ -391,6 +391,7 @@
ppActiveCycles = pmuProbePoint("ActiveCycles");
ppRetiredInsts = pmuProbePoint("RetiredInsts");
+ ppRetiredInstsPC = pmuProbePoint("RetiredInstsPC");
ppRetiredLoads = pmuProbePoint("RetiredLoads");
ppRetiredStores = pmuProbePoint("RetiredStores");
ppRetiredBranches = pmuProbePoint("RetiredBranches");
@@ -400,7 +401,7 @@
}
void
-BaseCPU::probeInstCommit(const StaticInstPtr &inst)
+BaseCPU::probeInstCommit(const StaticInstPtr &inst, Addr pc)
{
if (!inst->isMicroop() || inst->isLastMicroop())
ppRetiredInsts->notify(1);
@@ -414,6 +415,10 @@
if (inst->isControl())
ppRetiredBranches->notify(1);
+
+ if (!inst->isMicroop() || inst->isLastMicroop()) {
+ ppRetiredInstsPC->notify(pc);
+ }
}
void
diff --git a/src/cpu/base.hh b/src/cpu/base.hh
index 9075d4b..f9b24b9 100644
--- a/src/cpu/base.hh
+++ b/src/cpu/base.hh
@@ -487,8 +487,9 @@
* instruction.
*
* @param inst Instruction that just committed
+ * @param pc PC of the instruction that just committed
*/
- virtual void probeInstCommit(const StaticInstPtr &inst);
+ virtual void probeInstCommit(const StaticInstPtr &inst, Addr pc);
protected:
/**
@@ -509,6 +510,7 @@
* instructions may call notify once for the entire bundle.
*/
ProbePoints::PMUUPtr ppRetiredInsts;
+ ProbePoints::PMUUPtr ppRetiredInstsPC;
/** Retired load instructions */
ProbePoints::PMUUPtr ppRetiredLoads;
diff --git a/src/cpu/minor/execute.cc b/src/cpu/minor/execute.cc
index 6a41820..47f3cbc 100644
--- a/src/cpu/minor/execute.cc
+++ b/src/cpu/minor/execute.cc
@@ -872,7 +872,7 @@
if (inst->traceData)
inst->traceData->setCPSeq(thread->numOp);
- cpu.probeInstCommit(inst->staticInst);
+ cpu.probeInstCommit(inst->staticInst, inst->pc.instAddr());
}
bool
diff --git a/src/cpu/o3/cpu.cc b/src/cpu/o3/cpu.cc
index 965ab04..9da5b43 100644
--- a/src/cpu/o3/cpu.cc
+++ b/src/cpu/o3/cpu.cc
@@ -1623,7 +1623,7 @@
thread[tid]->numOps++;
committedOps[tid]++;
- probeInstCommit(inst->staticInst);
+ probeInstCommit(inst->staticInst, inst->instAddr());
}
template <class Impl>
diff --git a/src/cpu/simple/base.cc b/src/cpu/simple/base.cc
index 422c732..b243dcc 100644
--- a/src/cpu/simple/base.cc
+++ b/src/cpu/simple/base.cc
@@ -661,7 +661,7 @@
}
// Call CPU instruction commit probes
- probeInstCommit(curStaticInst);
+ probeInstCommit(curStaticInst, instAddr);
}
void
--
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Gerrit-Project: public/gem5
Gerrit-Branch: master
Gerrit-Change-Id: Iefc1b09d74b3aa0aa5773b17ba637bf51f5a59c9
Gerrit-Change-Number: 17632
Gerrit-PatchSet: 1
Gerrit-Owner: Javier Bueno Hedo <javier.bu...@metempsy.com>
Gerrit-MessageType: newchange
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