invisispec-1.0 source

1 files changed, 17 insertions, 0 deletions

diff --git a/src/cpu/o3/commit.hh b/src/cpu/o3/commit.hh
index 2d7a23e5d..27ff3edc0 100644
--- a/src/cpu/o3/commit.hh
+++ b/src/cpu/o3/commit.hh
@@ -444,6 +444,7 @@ class DefaultCommit
 
     /** The sequence number of the last commited instruction. */
     InstSeqNum lastCommitedSeqNum[Impl::MaxThreads];
+    Tick lastCommitTick;
 
     /** Records if there is a trap currently in flight. */
     bool trapInFlight[Impl::MaxThreads];
@@ -473,6 +474,9 @@ class DefaultCommit
     /** Updates commit stats based on this instruction. */
     void updateComInstStats(const DynInstPtr &inst);
 
+    /** [InvisiSpec] Updates squash stats based on this instruction. */
+    void updateSquashStats(const DynInstPtr &inst);
+
     /** Stat for the total number of squashed instructions discarded by commit.
      */
     Stats::Scalar commitSquashedInsts;
@@ -482,6 +486,19 @@ class DefaultCommit
     Stats::Scalar commitNonSpecStalls;
     /** Stat for the total number of branch mispredicts that caused a squash. */
     Stats::Scalar branchMispredicts;
+
+    // [InvisiSpec] count #squash
+    /** Stat for the total number of invalidation packets
+     * that caused a squash. */
+    Stats::Scalar loadHitInvalidations;
+    Stats::Scalar loadHitExternalEvictions;
+    /** Stat for the total number of failed validations
+     * that caused a squash. */
+    Stats::Scalar loadValidationFails;
+    // [InvisiSpec] count cycles stall due to waiting for
+    // validation responses
+    Stats::Scalar validationStalls;
+
     /** Distribution of the number of committed instructions each cycle. */
     Stats::Distribution numCommittedDist;