diff --git a/sys/dev/hwpmc/hwpmc_core.c b/sys/dev/hwpmc/hwpmc_core.c
index e1157d246c95..79920113867f 100644
--- a/sys/dev/hwpmc/hwpmc_core.c
+++ b/sys/dev/hwpmc/hwpmc_core.c
@@ -1514,19 +1514,21 @@ static struct iap_event_descr iap_events[] = {
     IAPDESCR(CEH_00H, 0xCE, 0x00, IAP_F_FM | IAP_F_ALLCPUSCORE2),
     IAPDESCR(CFH_00H, 0xCF, 0x00, IAP_F_FM | IAP_F_CA | IAP_F_CC2),
 
+    /* Sandy Bridge / Sandy Bridge Xeon - 11, 12, 21, 41, 42, 81, 82 */
     IAPDESCR(D0H_00H, 0xD0, 0x00, IAP_F_FM | IAP_F_CC),
-    IAPDESCR(D0H_01H, 0xD0, 0x01, IAP_F_FM | IAP_F_I7 | IAP_F_WM |
-	IAP_F_SB | IAP_F_IB | IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
-    IAPDESCR(D0H_02H, 0xD0, 0x02, IAP_F_FM | IAP_F_SB | IAP_F_IB |
-	IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
-    IAPDESCR(D0H_10H, 0xD0, 0x10, IAP_F_FM | IAP_F_SB | IAP_F_IB |
-	IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
-    IAPDESCR(D0H_20H, 0xD0, 0x20, IAP_F_FM | IAP_F_SB | IAP_F_IB |
-	IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
-    IAPDESCR(D0H_40H, 0xD0, 0x40, IAP_F_FM | IAP_F_SB | IAP_F_IB |
-	IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
-    IAPDESCR(D0H_80H, 0xD0, 0X80, IAP_F_FM | IAP_F_SB | IAP_F_IB |
-	IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_01H, 0xD0, 0x01, IAP_F_FM | IAP_F_I7 | IAP_F_WM | IAP_F_IB | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_02H, 0xD0, 0x02, IAP_F_FM | IAP_F_IB | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_10H, 0xD0, 0x10, IAP_F_FM | IAP_F_IB | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_11H, 0xD0, 0x11, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
+    IAPDESCR(D0H_12H, 0xD0, 0x12, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
+    IAPDESCR(D0H_20H, 0xD0, 0x20, IAP_F_FM | IAP_F_IB | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_21H, 0xD0, 0x21, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
+    IAPDESCR(D0H_40H, 0xD0, 0x40, IAP_F_FM | IAP_F_IB | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_41H, 0xD0, 0x41, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
+    IAPDESCR(D0H_42H, 0xD0, 0x42, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
+    IAPDESCR(D0H_80H, 0xD0, 0x80, IAP_F_FM | IAP_F_IB | IAP_F_IBX | IAP_F_HW),
+    IAPDESCR(D0H_81H, 0xD0, 0x81, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
+    IAPDESCR(D0H_82H, 0xD0, 0x82, IAP_F_FM | IAP_F_SB | IAP_F_SBX),
 
     IAPDESCR(D1H_01H, 0xD1, 0x01, IAP_F_FM | IAP_F_WM | IAP_F_SB |
 	IAP_F_IB | IAP_F_SBX | IAP_F_IBX | IAP_F_HW),
diff --git a/sys/dev/hwpmc/pmc_events.h b/sys/dev/hwpmc/pmc_events.h
index 5358ae2439e6..eb70095b092c 100644
--- a/sys/dev/hwpmc/pmc_events.h
+++ b/sys/dev/hwpmc/pmc_events.h
@@ -1053,9 +1053,16 @@ __PMC_EV(IAP, EVENT_D0H_00H)			\
 __PMC_EV(IAP, EVENT_D0H_01H)			\
 __PMC_EV(IAP, EVENT_D0H_02H)			\
 __PMC_EV(IAP, EVENT_D0H_10H)			\
+__PMC_EV(IAP, EVENT_D0H_11H)			\
+__PMC_EV(IAP, EVENT_D0H_12H)			\
 __PMC_EV(IAP, EVENT_D0H_20H)			\
+__PMC_EV(IAP, EVENT_D0H_21H)			\
 __PMC_EV(IAP, EVENT_D0H_40H)			\
+__PMC_EV(IAP, EVENT_D0H_41H)			\
+__PMC_EV(IAP, EVENT_D0H_42H)			\
 __PMC_EV(IAP, EVENT_D0H_80H)			\
+__PMC_EV(IAP, EVENT_D0H_81H)			\
+__PMC_EV(IAP, EVENT_D0H_82H)			\
 __PMC_EV(IAP, EVENT_D1H_01H)			\
 __PMC_EV(IAP, EVENT_D1H_02H)			\
 __PMC_EV(IAP, EVENT_D1H_04H)			\
@@ -3286,12 +3293,13 @@ __PMC_EV_ALIAS("FP_ASSIST.ANY", IAP_EVENT_CAH_1EH)			\
 __PMC_EV_ALIAS("ROB_MISC_EVENTS.LBR_INSERTS", IAP_EVENT_CCH_20H)	\
 __PMC_EV_ALIAS("MEM_TRANS_RETIRED.LOAD_LATENCY", IAP_EVENT_CDH_01H)	\
 __PMC_EV_ALIAS("MEM_TRANS_RETIRED.PRECISE_STORE", IAP_EVENT_CDH_02H)	\
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.LOADS", IAP_EVENT_D0H_01H)		\
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.STORES", IAP_EVENT_D0H_02H)		\
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.STLB_MISS", IAP_EVENT_D0H_10H)		\
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.LOCK", IAP_EVENT_D0H_20H)		\
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.SPLIT", IAP_EVENT_D0H_40H)		\
-__PMC_EV_ALIAS("MEM_UOP_RETIRED_ALL", IAP_EVENT_D0H_80H)		\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.STLB_MISS_LOADS", IAP_EVENT_D0H_11H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.STLB_MISS_STORES", IAP_EVENT_D0H_12H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.LOCK_LOADS", IAP_EVENT_D0H_21H)		\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.SPLIT_LOADS", IAP_EVENT_D0H_41H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.SPLIT_STORES", IAP_EVENT_D0H_42H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.ALL_LOADS", IAP_EVENT_D0H_81H)		\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.ALL_STORES", IAP_EVENT_D0H_82H)		\
 __PMC_EV_ALIAS("MEM_LOAD_UOPS_RETIRED.L1_HIT", IAP_EVENT_D1H_01H)	\
 __PMC_EV_ALIAS("MEM_LOAD_UOPS_RETIRED.L2_HIT", IAP_EVENT_D1H_02H)	\
 __PMC_EV_ALIAS("MEM_LOAD_UOPS_RETIRED.LLC_HIT", IAP_EVENT_D1H_04H)	\
@@ -3517,12 +3525,13 @@ __PMC_EV_ALIAS("FP_ASSIST.ANY", IAP_EVENT_CAH_1EH)                      \
 __PMC_EV_ALIAS("ROB_MISC_EVENTS.LBR_INSERTS", IAP_EVENT_CCH_20H)        \
 __PMC_EV_ALIAS("MEM_TRANS_RETIRED.LOAD_LATENCY", IAP_EVENT_CDH_01H)     \
 __PMC_EV_ALIAS("MEM_TRANS_RETIRED.PRECISE_STORE", IAP_EVENT_CDH_02H)    \
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.LOADS", IAP_EVENT_D0H_01H)              \
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.STORES", IAP_EVENT_D0H_02H)             \
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.STLB_MISS", IAP_EVENT_D0H_10H)          \
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.LOCK", IAP_EVENT_D0H_20H)               \
-__PMC_EV_ALIAS("MEM_UOP_RETIRED.SPLIT", IAP_EVENT_D0H_40H)              \
-__PMC_EV_ALIAS("MEM_UOP_RETIRED_ALL", IAP_EVENT_D0H_80H)                \
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.STLB_MISS_LOADS", IAP_EVENT_D0H_11H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.STLB_MISS_STORES", IAP_EVENT_D0H_12H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.LOCK_LOADS", IAP_EVENT_D0H_21H)		\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.SPLIT_LOADS", IAP_EVENT_D0H_41H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.SPLIT_STORES", IAP_EVENT_D0H_42H)	\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.ALL_LOADS", IAP_EVENT_D0H_81H)		\
+__PMC_EV_ALIAS("MEM_UOP_RETIRED.ALL_STORES", IAP_EVENT_D0H_82H)		\
 __PMC_EV_ALIAS("MEM_LOAD_UOPS_RETIRED.L1_HIT", IAP_EVENT_D1H_01H)       \
 __PMC_EV_ALIAS("MEM_LOAD_UOPS_RETIRED.L2_HIT", IAP_EVENT_D1H_02H)       \
 __PMC_EV_ALIAS("MEM_LOAD_UOPS_RETIRED.LLC_HIT", IAP_EVENT_D1H_04H)      \