stats: Fixing regStats function for some SimObjects

Fixing an issue with regStats not calling the parent class method
for most SimObjects in Gem5. This causes issues if one adds new
stats in the base class (since they are never initialized properly!).

Change-Id: Iebc5aa66f58816ef4295dc8e48a357558d76a77c
Reviewed-by: Andreas Sandberg <andreas.sandberg@arm.com>

6 files changed, 8 insertions, 11 deletions

diff --git a/src/gpu-compute/compute_unit.cc b/src/gpu-compute/compute_unit.cc
index 49029f815..b3a99b182 100644
--- a/src/gpu-compute/compute_unit.cc
+++ b/src/gpu-compute/compute_unit.cc
@@ -1447,6 +1447,8 @@ ComputeUnit::ITLBPort::recvReqRetry()
 void
 ComputeUnit::regStats()
 {
+    MemObject::regStats();
+
     tlbCycles
         .name(name() + ".tlb_cycles")
         .desc("total number of cycles for all uncoalesced requests")
diff --git a/src/gpu-compute/gpu_tlb.cc b/src/gpu-compute/gpu_tlb.cc
index 7a4f883f6..2021af9a9 100644
--- a/src/gpu-compute/gpu_tlb.cc
+++ b/src/gpu-compute/gpu_tlb.cc
@@ -958,6 +958,8 @@ namespace X86ISA
     void
     GpuTLB::regStats()
     {
+        MemObject::regStats();
+
         localNumTLBAccesses
             .name(name() + ".local_TLB_accesses")
             .desc("Number of TLB accesses")
diff --git a/src/gpu-compute/lds_state.cc b/src/gpu-compute/lds_state.cc
index 91ee8009a..d4a27318a 100644
--- a/src/gpu-compute/lds_state.cc
+++ b/src/gpu-compute/lds_state.cc
@@ -331,11 +331,3 @@ LdsState::TickEvent::process()
 {
     ldsState->process();
 }
-
-/**
- *
- */
-void
-LdsState::regStats()
-{
-}
diff --git a/src/gpu-compute/lds_state.hh b/src/gpu-compute/lds_state.hh
index 89f08a1d3..58d109493 100644
--- a/src/gpu-compute/lds_state.hh
+++ b/src/gpu-compute/lds_state.hh
@@ -390,9 +390,6 @@ class LdsState: public MemObject
     void
     setParent(ComputeUnit *x_parent);
 
-    void
-    regStats();
-
     // accessors
     ComputeUnit *
     getParent() const
diff --git a/src/gpu-compute/tlb_coalescer.cc b/src/gpu-compute/tlb_coalescer.cc
index 835d7b740..c9b888d5f 100644
--- a/src/gpu-compute/tlb_coalescer.cc
+++ b/src/gpu-compute/tlb_coalescer.cc
@@ -546,6 +546,8 @@ TLBCoalescer::CleanupEvent::process()
 void
 TLBCoalescer::regStats()
 {
+    MemObject::regStats();
+
     uncoalescedAccesses
         .name(name() + ".uncoalesced_accesses")
         .desc("Number of uncoalesced TLB accesses")
diff --git a/src/gpu-compute/wavefront.cc b/src/gpu-compute/wavefront.cc
index ed13b22c7..7cdec53e5 100644
--- a/src/gpu-compute/wavefront.cc
+++ b/src/gpu-compute/wavefront.cc
@@ -88,6 +88,8 @@ Wavefront::Wavefront(const Params *p)
 void
 Wavefront::regStats()
 {
+    SimObject::regStats();
+
     srcRegOpDist
         .init(0, 4, 2)
         .name(name() + ".src_reg_operand_dist")