base-stats: Rename Units namespace as units

As part of recent decisions regarding namespace
naming conventions, all namespaces will be changed
to snake case.

Stats::Units became Stats::units.

Change-Id: I9ce855b291db122d952098a090a2984b42152850
Signed-off-by: Daniel R. Carvalho <odanrc@yahoo.com.br>
Reviewed-on: https://gem5-review.googlesource.com/c/public/gem5/+/45415
Maintainer: Jason Lowe-Power <power.jg@gmail.com>
Tested-by: kokoro <noreply+kokoro@google.com>
Reviewed-by: Hoa Nguyen <hoanguyen@ucdavis.edu>

src/arch/arm/table_walker.cc

@@ -2423,31 +2423,31 @@ TableWalker::pageSizeNtoStatBin(uint8_t N)
 
 TableWalker::TableWalkerStats::TableWalkerStats(Stats::Group *parent)
     : Stats::Group(parent),
-    ADD_STAT(walks, Stats::Units::Count::get(),
+    ADD_STAT(walks, Stats::units::Count::get(),
              "Table walker walks requested"),
-    ADD_STAT(walksShortDescriptor, Stats::Units::Count::get(),
+    ADD_STAT(walksShortDescriptor, Stats::units::Count::get(),
              "Table walker walks initiated with short descriptors"),
-    ADD_STAT(walksLongDescriptor, Stats::Units::Count::get(),
+    ADD_STAT(walksLongDescriptor, Stats::units::Count::get(),
              "Table walker walks initiated with long descriptors"),
-    ADD_STAT(walksShortTerminatedAtLevel, Stats::Units::Count::get(),
+    ADD_STAT(walksShortTerminatedAtLevel, Stats::units::Count::get(),
              "Level at which table walker walks with short descriptors "
              "terminate"),
-    ADD_STAT(walksLongTerminatedAtLevel, Stats::Units::Count::get(),
+    ADD_STAT(walksLongTerminatedAtLevel, Stats::units::Count::get(),
              "Level at which table walker walks with long descriptors "
              "terminate"),
-    ADD_STAT(squashedBefore, Stats::Units::Count::get(),
+    ADD_STAT(squashedBefore, Stats::units::Count::get(),
              "Table walks squashed before starting"),
-    ADD_STAT(squashedAfter, Stats::Units::Count::get(),
+    ADD_STAT(squashedAfter, Stats::units::Count::get(),
              "Table walks squashed after completion"),
-    ADD_STAT(walkWaitTime, Stats::Units::Tick::get(),
+    ADD_STAT(walkWaitTime, Stats::units::Tick::get(),
              "Table walker wait (enqueue to first request) latency"),
-    ADD_STAT(walkServiceTime, Stats::Units::Tick::get(),
+    ADD_STAT(walkServiceTime, Stats::units::Tick::get(),
              "Table walker service (enqueue to completion) latency"),
-    ADD_STAT(pendingWalks, Stats::Units::Tick::get(),
+    ADD_STAT(pendingWalks, Stats::units::Tick::get(),
              "Table walker pending requests distribution"),
-    ADD_STAT(pageSizes, Stats::Units::Count::get(),
+    ADD_STAT(pageSizes, Stats::units::Count::get(),
              "Table walker page sizes translated"),
-    ADD_STAT(requestOrigin, Stats::Units::Count::get(),
+    ADD_STAT(requestOrigin, Stats::units::Count::get(),
              "Table walker requests started/completed, data/inst")
 {
     walksShortDescriptor

src/arch/arm/tlb.cc

@@ -527,45 +527,45 @@ TLB::takeOverFrom(BaseTLB *_otlb)
 
 TLB::TlbStats::TlbStats(Stats::Group *parent)
   : Stats::Group(parent),
-    ADD_STAT(instHits, Stats::Units::Count::get(), "ITB inst hits"),
-    ADD_STAT(instMisses, Stats::Units::Count::get(), "ITB inst misses"),
-    ADD_STAT(readHits, Stats::Units::Count::get(), "DTB read hits"),
-    ADD_STAT(readMisses, Stats::Units::Count::get(),  "DTB read misses"),
-    ADD_STAT(writeHits, Stats::Units::Count::get(), "DTB write hits"),
-    ADD_STAT(writeMisses, Stats::Units::Count::get(), "DTB write misses"),
-    ADD_STAT(inserts, Stats::Units::Count::get(),
+    ADD_STAT(instHits, Stats::units::Count::get(), "ITB inst hits"),
+    ADD_STAT(instMisses, Stats::units::Count::get(), "ITB inst misses"),
+    ADD_STAT(readHits, Stats::units::Count::get(), "DTB read hits"),
+    ADD_STAT(readMisses, Stats::units::Count::get(),  "DTB read misses"),
+    ADD_STAT(writeHits, Stats::units::Count::get(), "DTB write hits"),
+    ADD_STAT(writeMisses, Stats::units::Count::get(), "DTB write misses"),
+    ADD_STAT(inserts, Stats::units::Count::get(),
              "Number of times an entry is inserted into the TLB"),
-    ADD_STAT(flushTlb, Stats::Units::Count::get(),
+    ADD_STAT(flushTlb, Stats::units::Count::get(),
              "Number of times complete TLB was flushed"),
-    ADD_STAT(flushTlbMva, Stats::Units::Count::get(),
+    ADD_STAT(flushTlbMva, Stats::units::Count::get(),
              "Number of times TLB was flushed by MVA"),
-    ADD_STAT(flushTlbMvaAsid, Stats::Units::Count::get(),
+    ADD_STAT(flushTlbMvaAsid, Stats::units::Count::get(),
              "Number of times TLB was flushed by MVA & ASID"),
-    ADD_STAT(flushTlbAsid, Stats::Units::Count::get(),
+    ADD_STAT(flushTlbAsid, Stats::units::Count::get(),
              "Number of times TLB was flushed by ASID"),
-    ADD_STAT(flushedEntries, Stats::Units::Count::get(),
+    ADD_STAT(flushedEntries, Stats::units::Count::get(),
              "Number of entries that have been flushed from TLB"),
-    ADD_STAT(alignFaults, Stats::Units::Count::get(),
+    ADD_STAT(alignFaults, Stats::units::Count::get(),
              "Number of TLB faults due to alignment restrictions"),
-    ADD_STAT(prefetchFaults, Stats::Units::Count::get(),
+    ADD_STAT(prefetchFaults, Stats::units::Count::get(),
              "Number of TLB faults due to prefetch"),
-    ADD_STAT(domainFaults, Stats::Units::Count::get(),
+    ADD_STAT(domainFaults, Stats::units::Count::get(),
              "Number of TLB faults due to domain restrictions"),
-    ADD_STAT(permsFaults, Stats::Units::Count::get(),
+    ADD_STAT(permsFaults, Stats::units::Count::get(),
              "Number of TLB faults due to permissions restrictions"),
-    ADD_STAT(readAccesses, Stats::Units::Count::get(), "DTB read accesses",
+    ADD_STAT(readAccesses, Stats::units::Count::get(), "DTB read accesses",
              readHits + readMisses),
-    ADD_STAT(writeAccesses, Stats::Units::Count::get(), "DTB write accesses",
+    ADD_STAT(writeAccesses, Stats::units::Count::get(), "DTB write accesses",
              writeHits + writeMisses),
-    ADD_STAT(instAccesses, Stats::Units::Count::get(), "ITB inst accesses",
+    ADD_STAT(instAccesses, Stats::units::Count::get(), "ITB inst accesses",
              instHits + instMisses),
-    ADD_STAT(hits, Stats::Units::Count::get(),
+    ADD_STAT(hits, Stats::units::Count::get(),
              "Total TLB (inst and data) hits",
              readHits + writeHits + instHits),
-    ADD_STAT(misses, Stats::Units::Count::get(),
+    ADD_STAT(misses, Stats::units::Count::get(),
              "Total TLB (inst and data) misses",
              readMisses + writeMisses + instMisses),
-    ADD_STAT(accesses, Stats::Units::Count::get(),
+    ADD_STAT(accesses, Stats::units::Count::get(),
              "Total TLB (inst and data) accesses",
              readAccesses + writeAccesses + instAccesses)
 {

src/arch/riscv/tlb.cc

@@ -511,17 +511,17 @@ TLB::unserialize(CheckpointIn &cp)
 
 TLB::TlbStats::TlbStats(Stats::Group *parent)
   : Stats::Group(parent),
-    ADD_STAT(readHits, Stats::Units::Count::get(), "read hits"),
-    ADD_STAT(readMisses, Stats::Units::Count::get(), "read misses"),
-    ADD_STAT(readAccesses, Stats::Units::Count::get(), "read accesses"),
-    ADD_STAT(writeHits, Stats::Units::Count::get(), "write hits"),
-    ADD_STAT(writeMisses, Stats::Units::Count::get(), "write misses"),
-    ADD_STAT(writeAccesses, Stats::Units::Count::get(), "write accesses"),
-    ADD_STAT(hits, Stats::Units::Count::get(),
+    ADD_STAT(readHits, Stats::units::Count::get(), "read hits"),
+    ADD_STAT(readMisses, Stats::units::Count::get(), "read misses"),
+    ADD_STAT(readAccesses, Stats::units::Count::get(), "read accesses"),
+    ADD_STAT(writeHits, Stats::units::Count::get(), "write hits"),
+    ADD_STAT(writeMisses, Stats::units::Count::get(), "write misses"),
+    ADD_STAT(writeAccesses, Stats::units::Count::get(), "write accesses"),
+    ADD_STAT(hits, Stats::units::Count::get(),
              "Total TLB (read and write) hits", readHits + writeHits),
-    ADD_STAT(misses, Stats::Units::Count::get(),
+    ADD_STAT(misses, Stats::units::Count::get(),
              "Total TLB (read and write) misses", readMisses + writeMisses),
-    ADD_STAT(accesses, Stats::Units::Count::get(),
+    ADD_STAT(accesses, Stats::units::Count::get(),
              "Total TLB (read and write) accesses",
              readAccesses + writeAccesses)
 {

src/arch/x86/tlb.cc

@@ -520,13 +520,13 @@ TLB::getWalker()
 
 TLB::TlbStats::TlbStats(Stats::Group *parent)
   : Stats::Group(parent),
-    ADD_STAT(rdAccesses, Stats::Units::Count::get(),
+    ADD_STAT(rdAccesses, Stats::units::Count::get(),
              "TLB accesses on read requests"),
-    ADD_STAT(wrAccesses, Stats::Units::Count::get(),
+    ADD_STAT(wrAccesses, Stats::units::Count::get(),
              "TLB accesses on write requests"),
-    ADD_STAT(rdMisses, Stats::Units::Count::get(),
+    ADD_STAT(rdMisses, Stats::units::Count::get(),
              "TLB misses on read requests"),
-    ADD_STAT(wrMisses, Stats::Units::Count::get(),
+    ADD_STAT(wrMisses, Stats::units::Count::get(),
              "TLB misses on write requests")
 {
 }