"MetricName": "io_bandwidth_write",
         "ScaleUnit": "1MB/s"
     },
+    {
+        "BriefDescription": "The percent of inbound full cache line writes initiated by IO that miss the L3 cache",
+        "MetricExpr": "UNC_CHA_TOR_INSERTS.IO_MISS_ITOM / UNC_CHA_TOR_INSERTS.IO_ITOM",
+        "MetricName": "io_full_write_l3_miss",
+        "ScaleUnit": "100%"
+    },
+    {
+        "BriefDescription": "Message Signaled Interrupts (MSI) per second sent by the integrated I/O traffic controller (IIO) to System Configuration Controller (Ubox)",
+        "MetricExpr": "UNC_IIO_NUM_REQ_OF_CPU_BY_TGT.UBOX_POSTED / duration_time",
+        "MetricName": "io_msi",
+        "ScaleUnit": "1per_sec"
+    },
+    {
+        "BriefDescription": "The percent of inbound partial writes initiated by IO that miss the L3 cache",
+        "MetricExpr": "(UNC_CHA_TOR_INSERTS.IO_MISS_ITOMCACHENEAR + UNC_CHA_TOR_INSERTS.IO_MISS_RFO) / (UNC_CHA_TOR_INSERTS.IO_ITOMCACHENEAR + UNC_CHA_TOR_INSERTS.IO_RFO)",
+        "MetricName": "io_partial_write_l3_miss",
+        "ScaleUnit": "100%"
+    },
+    {
+        "BriefDescription": "The percent of inbound reads initiated by IO that miss the L3 cache",
+        "MetricExpr": "UNC_CHA_TOR_INSERTS.IO_MISS_PCIRDCUR / UNC_CHA_TOR_INSERTS.IO_PCIRDCUR",
+        "MetricName": "io_read_l3_miss",
+        "ScaleUnit": "100%"
+    },
     {
         "BriefDescription": "Ratio of number of completed page walks (for 2 megabyte and 4 megabyte page sizes) caused by a code fetch to the total number of completed instructions",
         "MetricExpr": "ITLB_MISSES.WALK_COMPLETED_2M_4M / INST_RETIRED.ANY",
         "MetricName": "llc_data_read_mpi_demand_plus_prefetch",
         "ScaleUnit": "1per_instr"
     },
-    {
-        "BriefDescription": "Average latency of a last level cache (LLC) demand data read miss (read memory access) in nano seconds",
-        "MetricExpr": "1e9 * (UNC_CHA_TOR_OCCUPANCY.IA_MISS_DRD_OPT / UNC_CHA_TOR_INSERTS.IA_MISS_DRD_OPT) / (UNC_CHA_CLOCKTICKS / (source_count(UNC_CHA_TOR_OCCUPANCY.IA_MISS_DRD_OPT) * #num_packages)) * duration_time",
-        "MetricName": "llc_demand_data_read_miss_latency",
-        "ScaleUnit": "1ns"
-    },
     {
         "BriefDescription": "Load operations retired per instruction",
         "MetricExpr": "MEM_UOPS_RETIRED.ALL_LOADS / INST_RETIRED.ANY",
 
         "UMask": "0x4",
         "Unit": "IIO"
     },
+    {
+        "BriefDescription": "Posted requests sent by the integrated IO (IIO) controller to the Ubox, useful for counting message signaled interrupts (MSI).",
+        "Counter": "0,1,2,3",
+        "EventCode": "0x8e",
+        "EventName": "UNC_IIO_NUM_REQ_OF_CPU_BY_TGT.UBOX_POSTED",
+        "FCMask": "0x01",
+        "PerPkg": "1",
+        "PortMask": "0x0FF",
+        "PublicDescription": "-",
+        "UMask": "0x4",
+        "Unit": "IIO"
+    },
     {
         "BriefDescription": "All 9 bits of Page Walk Tracker Occupancy",
         "Counter": "0,1,2,3",
 
 GenuineIntel-6-CF,v1.14,emeraldrapids,core
 GenuineIntel-6-5[CF],v13,goldmont,core
 GenuineIntel-6-7A,v1.01,goldmontplus,core
-GenuineIntel-6-B6,v1.07,grandridge,core
+GenuineIntel-6-B6,v1.09,grandridge,core
 GenuineIntel-6-A[DE],v1.08,graniterapids,core
 GenuineIntel-6-(3C|45|46),v36,haswell,core
 GenuineIntel-6-3F,v29,haswellx,core