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-rw-r--r--src/cpu/pred/bpred_unit_impl.hh20
1 files changed, 20 insertions, 0 deletions
diff --git a/src/cpu/pred/bpred_unit_impl.hh b/src/cpu/pred/bpred_unit_impl.hh
index 53ec808b6..4d17bfd33 100644
--- a/src/cpu/pred/bpred_unit_impl.hh
+++ b/src/cpu/pred/bpred_unit_impl.hh
@@ -119,6 +119,22 @@ BPredUnit::regStats()
;
}
+ProbePoints::PMUUPtr
+BPredUnit::pmuProbePoint(const char *name)
+{
+ ProbePoints::PMUUPtr ptr;
+ ptr.reset(new ProbePoints::PMU(getProbeManager(), name));
+
+ return ptr;
+}
+
+void
+BPredUnit::regProbePoints()
+{
+ ppBranches = pmuProbePoint("Branches");
+ ppMisses = pmuProbePoint("Misses");
+}
+
void
BPredUnit::drainSanityCheck() const
{
@@ -141,6 +157,7 @@ BPredUnit::predict(const StaticInstPtr &inst, const InstSeqNum &seqNum,
TheISA::PCState target = pc;
++lookups;
+ ppBranches->notify(1);
void *bp_history = NULL;
@@ -259,6 +276,8 @@ BPredUnit::predictInOrder(const StaticInstPtr &inst, const InstSeqNum &seqNum,
TheISA::PCState target;
++lookups;
+ ppBranches->notify(1);
+
DPRINTF(Branch, "[tid:%i] [sn:%i] %s ... PC %s doing branch "
"prediction\n", tid, seqNum,
inst->disassemble(instPC.instAddr()), instPC);
@@ -438,6 +457,7 @@ BPredUnit::squash(const InstSeqNum &squashed_sn,
History &pred_hist = predHist[tid];
++condIncorrect;
+ ppMisses->notify(1);
DPRINTF(Branch, "[tid:%i]: Squashing from sequence number %i, "
"setting target to %s.\n", tid, squashed_sn, corrTarget);