[PATCH v1 12/12] perf vendor events intel: Update sierraforest events from 1.15 to 1.17

[Ian Rogers]

The updated events and metrics were published in:
https://github.com/intel/perfmon/commit/efa15280e0577982744642a77af18208aab3635b
https://github.com/intel/perfmon/commit/5cdba6c2ccfde2ec13e0e701bc2a374849ce9a44

Signed-off-by: Ian Rogers <irogers@xxxxxxxxxx>
---
 tools/perf/pmu-events/arch/x86/mapfile.csv    |   2 +-
 .../arch/x86/sierraforest/cache.json          |  49 ++++++
 .../arch/x86/sierraforest/floating-point.json |  64 +++++++
 .../arch/x86/sierraforest/memory.json         |  57 +++++++
 .../arch/x86/sierraforest/pipeline.json       | 156 ++++++++++++++++++
 .../arch/x86/sierraforest/virtual-memory.json |   8 +
 6 files changed, 335 insertions(+), 1 deletion(-)

diff --git a/tools/perf/pmu-events/arch/x86/mapfile.csv b/tools/perf/pmu-events/arch/x86/mapfile.csv
index dbe1fe5a68f6..50a403b429b1 100644
--- a/tools/perf/pmu-events/arch/x86/mapfile.csv
+++ b/tools/perf/pmu-events/arch/x86/mapfile.csv
@@ -30,7 +30,7 @@ GenuineIntel-6-(CC|D5),v1.05,pantherlake,core
 GenuineIntel-6-A7,v1.04,rocketlake,core
 GenuineIntel-6-2A,v19,sandybridge,core
 GenuineIntel-6-8F,v1.39,sapphirerapids,core
-GenuineIntel-6-AF,v1.15,sierraforest,core
+GenuineIntel-6-AF,v1.17,sierraforest,core
 GenuineIntel-6-(37|4A|4C|4D|5A),v15,silvermont,core
 GenuineIntel-6-(4E|5E|8E|9E|A5|A6),v59,skylake,core
 GenuineIntel-6-55-[01234],v1.37,skylakex,core
diff --git a/tools/perf/pmu-events/arch/x86/sierraforest/cache.json b/tools/perf/pmu-events/arch/x86/sierraforest/cache.json
index 168f43557a0e..71acb49b2ab9 100644
--- a/tools/perf/pmu-events/arch/x86/sierraforest/cache.json
+++ b/tools/perf/pmu-events/arch/x86/sierraforest/cache.json
@@ -1,4 +1,12 @@
 [
+    {
+        "BriefDescription": "Counts the number of requests that were not accepted into the L2Q because the L2Q is FULL.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x31",
+        "EventName": "CORE_REJECT_L2Q.ANY",
+        "PublicDescription": "Counts the number of (demand and L1 prefetchers) core requests rejected by the L2Q due to a full or nearly full w condition which likely indicates back pressure from L2Q.  It also counts requests that would have gone directly to the XQ, but are rejected due to a full or nearly full condition, indicating back pressure from the IDI link.  The L2Q may also reject transactions  from a core to insure fairness between cores, or to delay a cores dirty eviction when the address conflicts incoming external snoops.  (Note that L2 prefetcher requests that are dropped are not counted by this event.) Counts on a per core basis.",
+        "SampleAfterValue": "200003"
+    },
     {
         "BriefDescription": "Counts the number of L1D cacheline (dirty) evictions caused by load misses, stores, and prefetches.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -62,6 +70,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x1"
     },
+    {
+        "BriefDescription": "Counts the number of demand and prefetch transactions that the External Queue (XQ) rejects due to a full or near full condition.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x30",
+        "EventName": "L2_REJECT_XQ.ANY",
+        "PublicDescription": "Counts the number of demand and prefetch transactions that the External Queue (XQ) rejects due to a full or near full condition which likely indicates back pressure from the IDI link.  The XQ may reject transactions from the L2Q (non-cacheable requests), BBL (L2 misses) and WOB (L2 write-back victims).",
+        "SampleAfterValue": "200003"
+    },
     {
         "BriefDescription": "Counts the number of L2 Cache Accesses that resulted in a Hit from a front door request only (does not include rejects or recycles), per core event",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -154,6 +170,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x1"
     },
+    {
+        "BriefDescription": "Counts the number of cycles the core is stalled due to a demand load which missed in the L2 cache.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x34",
+        "EventName": "MEM_BOUND_STALLS_LOAD.L2_MISS",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x7e"
+    },
     {
         "BriefDescription": "Counts the number of unhalted cycles when the core is stalled due to a demand load miss which hit in the LLC. If the core has access to an L3 cache, an LLC hit refers to an L3 cache hit, otherwise it counts zeros.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -178,6 +202,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x78"
     },
+    {
+        "BriefDescription": "Counts the number of unhalted cycles when the core is stalled due to a demand load miss which missed all the caches, a snoop was required, and hits in other core or module on the same die. Another core provides the data with a FWD, NO_FWD, or HITM. If the core has access to an L3 cache, an LLC miss refers to an L3 cache miss, otherwise it is an L2 cache miss.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x34",
+        "EventName": "MEM_BOUND_STALLS_LOAD.LLC_MISS_OTHERMOD",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x8"
+    },
     {
         "BriefDescription": "Counts the number of unhalted cycles when the core is stalled to a store buffer full condition",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -227,6 +259,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x4"
     },
+    {
+        "BriefDescription": "Counts the number of load ops retired that hit in the L3 cache in which a snoop was required and modified data was forwarded.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xd4",
+        "EventName": "MEM_LOAD_UOPS_MISC_RETIRED.L3_HIT_SNOOP_HITM",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x8"
+    },
     {
         "BriefDescription": "Counts the number of load ops retired that hit the L1 data cache.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -307,6 +347,15 @@
         "SampleAfterValue": "20003",
         "UMask": "0x1"
     },
+    {
+        "BriefDescription": "Counts the number of memory uops retired.  A single uop that performs both a load AND a store will be counted as 1, not 2 (e.g. ADD [mem], CONST)",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "Data_LA": "1",
+        "EventCode": "0xd0",
+        "EventName": "MEM_UOPS_RETIRED.ALL",
+        "SampleAfterValue": "200003",
+        "UMask": "0x83"
+    },
     {
         "BriefDescription": "Counts the number of load ops retired.",
         "Counter": "0,1,2,3,4,5,6,7",
diff --git a/tools/perf/pmu-events/arch/x86/sierraforest/floating-point.json b/tools/perf/pmu-events/arch/x86/sierraforest/floating-point.json
index 5266eed969be..67d52477aad6 100644
--- a/tools/perf/pmu-events/arch/x86/sierraforest/floating-point.json
+++ b/tools/perf/pmu-events/arch/x86/sierraforest/floating-point.json
@@ -8,6 +8,22 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x2"
     },
+    {
+        "BriefDescription": "Counts the number of active floating point dividers per cycle in the loop stage.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xcd",
+        "EventName": "ARITH.FPDIV_OCCUPANCY",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x2"
+    },
+    {
+        "BriefDescription": "Counts the number of floating point divider uops executed per cycle.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xcd",
+        "EventName": "ARITH.FPDIV_UOPS",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x8"
+    },
     {
         "BriefDescription": "Counts the number of all types of floating point operations per uop with all default weighting",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -90,6 +106,54 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x2"
     },
+    {
+        "BriefDescription": "Counts the number of uops executed on all floating point ports.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb2",
+        "EventName": "FP_VINT_UOPS_EXECUTED.ALL",
+        "SampleAfterValue": "1000003",
+        "UMask": "0xf"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on floating point and vector integer port 0.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb2",
+        "EventName": "FP_VINT_UOPS_EXECUTED.P0",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x2"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on floating point and vector integer port 1.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb2",
+        "EventName": "FP_VINT_UOPS_EXECUTED.P1",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x4"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on floating point and vector integer port 2.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb2",
+        "EventName": "FP_VINT_UOPS_EXECUTED.P2",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x8"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on floating point and vector integer port 0, 1, 2.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb2",
+        "EventName": "FP_VINT_UOPS_EXECUTED.PRIMARY",
+        "SampleAfterValue": "1000003",
+        "UMask": "0xe"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on floating point and vector integer store data port.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb2",
+        "EventName": "FP_VINT_UOPS_EXECUTED.STD",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x1"
+    },
     {
         "BriefDescription": "Counts the number of floating point operations retired that required microcode assist.",
         "Counter": "0,1,2,3,4,5,6,7",
diff --git a/tools/perf/pmu-events/arch/x86/sierraforest/memory.json b/tools/perf/pmu-events/arch/x86/sierraforest/memory.json
index dc850a179517..01e07f90e76b 100644
--- a/tools/perf/pmu-events/arch/x86/sierraforest/memory.json
+++ b/tools/perf/pmu-events/arch/x86/sierraforest/memory.json
@@ -1,4 +1,12 @@
 [
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to any number of reasons, including an L1 miss, WCB full, pagewalk, store address block or store data block.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.ANY",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x7f"
+    },
     {
         "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to any number of reasons, including an L1 miss, WCB full, pagewalk, store address block or store data block, on a load that retires.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -15,6 +23,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0xf4"
     },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to a DL1 miss.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.L1_MISS",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x1"
+    },
     {
         "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer and retirement are both stalled due to a DL1 miss.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -23,6 +39,15 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x81"
     },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to other block cases.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.OTHER",
+        "PublicDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to other block cases such as pipeline conflicts, fences, etc.",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x40"
+    },
     {
         "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer and retirement are both stalled due to other block cases.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -32,6 +57,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0xc0"
     },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to a pagewalk.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.PGWALK",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x20"
+    },
     {
         "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer and retirement are both stalled due to a pagewalk.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -40,6 +73,14 @@
         "SampleAfterValue": "1000003",
         "UMask": "0xa0"
     },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to a store address match.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.ST_ADDR",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x4"
+    },
     {
         "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer and retirement are both stalled due to a store address match.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -48,6 +89,22 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x84"
     },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to request buffers full or lock in progress.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.WCB_FULL",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x2"
+    },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer and retirement are both stalled due to request buffers full or lock in progress.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.WCB_FULL_AT_RET",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x82"
+    },
     {
         "BriefDescription": "Counts the number of machine clears due to memory ordering caused by a snoop from an external agent. Does not count internally generated machine clears such as those due to memory disambiguation.",
         "Counter": "0,1,2,3,4,5,6,7",
diff --git a/tools/perf/pmu-events/arch/x86/sierraforest/pipeline.json b/tools/perf/pmu-events/arch/x86/sierraforest/pipeline.json
index cf67ff6135e0..e7ffb0042477 100644
--- a/tools/perf/pmu-events/arch/x86/sierraforest/pipeline.json
+++ b/tools/perf/pmu-events/arch/x86/sierraforest/pipeline.json
@@ -8,6 +8,31 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x3"
     },
+    {
+        "BriefDescription": "Counts the number of cycles when any of the integer dividers are active.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "CounterMask": "1",
+        "EventCode": "0xcd",
+        "EventName": "ARITH.IDIV_ACTIVE",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x1"
+    },
+    {
+        "BriefDescription": "Counts the number of active integer dividers per cycle.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xcd",
+        "EventName": "ARITH.IDIV_OCCUPANCY",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x1"
+    },
+    {
+        "BriefDescription": "Counts the number of integer divider uops executed per cycle.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xcd",
+        "EventName": "ARITH.IDIV_UOPS",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x4"
+    },
     {
         "BriefDescription": "Counts the total number of branch instructions retired for all branch types.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -121,6 +146,15 @@
         "SampleAfterValue": "200003",
         "UMask": "0xdf"
     },
+    {
+        "BriefDescription": "Counts the number of taken branch instructions retired.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "Errata": "SRF7",
+        "EventCode": "0xc4",
+        "EventName": "BR_INST_RETIRED.TAKEN",
+        "SampleAfterValue": "200003",
+        "UMask": "0x80"
+    },
     {
         "BriefDescription": "Counts the total number of mispredicted branch instructions retired for all branch types.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -244,6 +278,80 @@
         "EventName": "INST_RETIRED.ANY_P",
         "SampleAfterValue": "2000003"
     },
+    {
+        "BriefDescription": "Counts the number of uops executed on all Integer ports.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.ALL",
+        "SampleAfterValue": "1000003",
+        "UMask": "0xff"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on a load port.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.LD",
+        "PublicDescription": "Counts the number of uops executed on a load port.  This event counts for integer uops even if the destination is FP/vector",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x1"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on integer port 0.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.P0",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x8"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on integer port 1.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.P1",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x10"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on integer port 2.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.P2",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x20"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on integer port 3.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.P3",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x40"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on integer port  0,1, 2, 3.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.PRIMARY",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x78"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on a Store address port.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.STA",
+        "PublicDescription": "Counts the number of uops executed on a Store address port. This event counts integer uops even if the data source is FP/vector",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x2"
+    },
+    {
+        "BriefDescription": "Counts the number of uops executed on an integer store data and jump port.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xb3",
+        "EventName": "INT_UOPS_EXECUTED.STD_JMP",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x4"
+    },
     {
         "BriefDescription": "Counts the number of retired loads that are blocked because it initially appears to be store forward blocked, but subsequently is shown not to be blocked based on 4K alias check.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -268,6 +376,13 @@
         "SampleAfterValue": "1000003",
         "UMask": "0x2"
     },
+    {
+        "BriefDescription": "Counts the total number of machine clears for any reason including, but not limited to, memory ordering, memory disambiguation, SMC, and FP assist.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xc3",
+        "EventName": "MACHINE_CLEARS.ANY",
+        "SampleAfterValue": "20003"
+    },
     {
         "BriefDescription": "Counts the number of machine clears due to memory ordering in which an internal load passes an older store within the same CPU.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -276,6 +391,30 @@
         "SampleAfterValue": "20003",
         "UMask": "0x8"
     },
+    {
+        "BriefDescription": "Counts the number of machine clears that flush the pipeline and restart the machine without the use of microcode.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xc3",
+        "EventName": "MACHINE_CLEARS.FAST",
+        "SampleAfterValue": "20003",
+        "UMask": "0x10"
+    },
+    {
+        "BriefDescription": "Counts the number of virtual traps taken.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xc3",
+        "EventName": "MACHINE_CLEARS.FPC_VIRTUAL_TRAP",
+        "SampleAfterValue": "20003",
+        "UMask": "0x40"
+    },
+    {
+        "BriefDescription": "Counts the number of machines clears due to memory renaming.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xc3",
+        "EventName": "MACHINE_CLEARS.MRN_NUKE",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x80"
+    },
     {
         "BriefDescription": "Counts the number of machine clears due to a page fault.  Counts both I-Side and D-Side (Loads/Stores) page faults.  A page fault occurs when either the page is not present, or an access violation occurs.",
         "Counter": "0,1,2,3,4,5,6,7",
@@ -349,6 +488,23 @@
         "SampleAfterValue": "200003",
         "UMask": "0x4"
     },
+    {
+        "BriefDescription": "Counts the number of issue slots not consumed due to a color request for an FCW or MXCSR control register when all 4 colors (copies) are already in use.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x75",
+        "EventName": "SERIALIZATION.COLOR_STALLS",
+        "SampleAfterValue": "200003",
+        "UMask": "0x8"
+    },
+    {
+        "BriefDescription": "Counts the number of issue slots not consumed by the backend due to a micro-sequencer (MS) scoreboard, which stalls the front-end from issuing from the UROM until a specified older uop retires.",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x75",
+        "EventName": "SERIALIZATION.NON_C01_MS_SCB",
+        "PublicDescription": "Counts the number of issue slots not consumed by the backend due to a micro-sequencer (MS) scoreboard, which stalls the front-end from issuing from the UROM until a specified older uop retires. The most commonly executed instruction with an MS scoreboard is PAUSE.",
+        "SampleAfterValue": "200003",
+        "UMask": "0x2"
+    },
     {
         "BriefDescription": "Counts the number of issue slots that were not consumed by the backend because allocation is stalled due to a mispredicted jump or a machine clear. [This event is alias to TOPDOWN_BAD_SPECULATION.ALL_P]",
         "Counter": "0,1,2,3,4,5,6,7",
diff --git a/tools/perf/pmu-events/arch/x86/sierraforest/virtual-memory.json b/tools/perf/pmu-events/arch/x86/sierraforest/virtual-memory.json
index 35cc5b6d41f2..88996fdac15f 100644
--- a/tools/perf/pmu-events/arch/x86/sierraforest/virtual-memory.json
+++ b/tools/perf/pmu-events/arch/x86/sierraforest/virtual-memory.json
@@ -137,6 +137,14 @@
         "SampleAfterValue": "200003",
         "UMask": "0x10"
     },
+    {
+        "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer is stalled due to a DTLB miss",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0x05",
+        "EventName": "LD_HEAD.DTLB_MISS",
+        "SampleAfterValue": "1000003",
+        "UMask": "0x10"
+    },
     {
         "BriefDescription": "Counts the number of cycles that the head (oldest load) of the load buffer and retirement are both stalled due to a DTLB miss.",
         "Counter": "0,1,2,3,4,5,6,7",
-- 
2.54.0.823.g6e5bcc1fc9-goog