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From: Ian Rogers <irogers@google.com>
To: irogers@google.com, acme@kernel.org, dapeng1.mi@linux.intel.com,
	 namhyung@kernel.org, edward.baker@intel.com,
	perry.taylor@intel.com,  eranian@google.com
Cc: adrian.hunter@intel.com, afaerber@suse.de, ctshao@google.com,
	 james.clark@linaro.org, jolsa@kernel.org,
	linux-kernel@vger.kernel.org,  linux-perf-users@vger.kernel.org,
	mani@kernel.org, mingo@redhat.com,  peterz@infradead.org
Subject: [PATCH v2 21/26] perf vendor events intel: Update tigerlake events to 1.20 and TMA metrics to 5.2
Date: Thu, 24 Sep 2026 10:03:41 -0700	[thread overview]
Message-ID: <20260924170346.3872848-22-irogers@google.com> (raw)
In-Reply-To: <20260924170346.3872848-1-irogers@google.com>

The updated events were published in:

  https://github.com/intel/perfmon/commit/228a83d851e8908aa09fac00a96a69404f2d3107

The updated TMA 5.2 metrics were published in:

  https://github.com/intel/perfmon/commit/f9358e8da04bec945d8023e3f9b20a887ad46c45

Signed-off-by: Ian Rogers <irogers@google.com>
---
 tools/perf/pmu-events/arch/x86/mapfile.csv    |  2 +-
 .../arch/x86/tigerlake/metricgroups.json      |  2 +-
 .../pmu-events/arch/x86/tigerlake/other.json  |  9 ++
 .../arch/x86/tigerlake/pipeline.json          |  7 +-
 .../arch/x86/tigerlake/tgl-metrics.json       | 82 +++++++------------
 5 files changed, 43 insertions(+), 59 deletions(-)

diff --git a/tools/perf/pmu-events/arch/x86/mapfile.csv b/tools/perf/pmu-events/arch/x86/mapfile.csv
index 19166dacdcfb..7011fb91c882 100644
--- a/tools/perf/pmu-events/arch/x86/mapfile.csv
+++ b/tools/perf/pmu-events/arch/x86/mapfile.csv
@@ -36,7 +36,7 @@ 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
 GenuineIntel-6-86,v1.23,snowridgex,core
-GenuineIntel-6-8[CD],v1.19,tigerlake,core
+GenuineIntel-6-8[CD],v1.20,tigerlake,core
 GenuineIntel-6-2C,v5,westmereep-dp,core
 GenuineIntel-6-25,v4,westmereep-sp,core
 GenuineIntel-6-2F,v4,westmereex,core
diff --git a/tools/perf/pmu-events/arch/x86/tigerlake/metricgroups.json b/tools/perf/pmu-events/arch/x86/tigerlake/metricgroups.json
index 80ca8021f2de..8f829fa7f854 100644
--- a/tools/perf/pmu-events/arch/x86/tigerlake/metricgroups.json
+++ b/tools/perf/pmu-events/arch/x86/tigerlake/metricgroups.json
@@ -87,7 +87,6 @@
     "tma_code_stlb_miss_group": "Metrics contributing to tma_code_stlb_miss category",
     "tma_core_bound_group": "Metrics contributing to tma_core_bound category",
     "tma_divider_group": "Metrics contributing to tma_divider category",
-    "tma_dram_bound_group": "Metrics contributing to tma_dram_bound category",
     "tma_dtlb_load_group": "Metrics contributing to tma_dtlb_load category",
     "tma_dtlb_store_group": "Metrics contributing to tma_dtlb_store category",
     "tma_fetch_bandwidth_group": "Metrics contributing to tma_fetch_bandwidth category",
@@ -120,6 +119,7 @@
     "tma_l1_bound_group": "Metrics contributing to tma_l1_bound category",
     "tma_l2_bound_group": "Metrics contributing to tma_l2_bound category",
     "tma_l3_bound_group": "Metrics contributing to tma_l3_bound category",
+    "tma_l3_miss_bound_group": "Metrics contributing to tma_l3_miss_bound category",
     "tma_light_operations_group": "Metrics contributing to tma_light_operations category",
     "tma_load_op_utilization_group": "Metrics contributing to tma_load_op_utilization category",
     "tma_load_stlb_miss_group": "Metrics contributing to tma_load_stlb_miss category",
diff --git a/tools/perf/pmu-events/arch/x86/tigerlake/other.json b/tools/perf/pmu-events/arch/x86/tigerlake/other.json
index a22b626c14c9..ac5b26d33881 100644
--- a/tools/perf/pmu-events/arch/x86/tigerlake/other.json
+++ b/tools/perf/pmu-events/arch/x86/tigerlake/other.json
@@ -26,6 +26,15 @@
         "SampleAfterValue": "200003",
         "UMask": "0x20"
     },
+    {
+        "BriefDescription": "Increments whenever there is an update to the LBR array. [This event is alias to MISC_RETIRED.LBR_INSERTS]",
+        "Counter": "0,1,2,3,4,5,6,7",
+        "EventCode": "0xcc",
+        "EventName": "LBR_INSERTS.ANY",
+        "PublicDescription": "Increments when an entry is added to the Last Branch Record (LBR) array (or removed from the array in case of RETURNs in call stack mode). The event requires LBR enable via IA32_DEBUGCTL MSR and branch type selection via MSR_LBR_SELECT. [This event is alias to MISC_RETIRED.LBR_INSERTS]",
+        "SampleAfterValue": "100003",
+        "UMask": "0x20"
+    },
     {
         "BriefDescription": "Counts streaming stores that have any type of response.",
         "Counter": "0,1,2,3",
diff --git a/tools/perf/pmu-events/arch/x86/tigerlake/pipeline.json b/tools/perf/pmu-events/arch/x86/tigerlake/pipeline.json
index b417e1db9e07..d42b3fbac7ef 100644
--- a/tools/perf/pmu-events/arch/x86/tigerlake/pipeline.json
+++ b/tools/perf/pmu-events/arch/x86/tigerlake/pipeline.json
@@ -170,11 +170,10 @@
         "UMask": "0x20"
     },
     {
-        "BriefDescription": "This event counts the number of mispredicted ret instructions retired. Non PEBS",
+        "BriefDescription": "This event counts the number of mispredicted ret instructions retired.",
         "Counter": "0,1,2,3,4,5,6,7",
         "EventCode": "0xc5",
         "EventName": "BR_MISP_RETIRED.RET",
-        "PublicDescription": "This is a non-precise version (that is, does not use PEBS) of the event that counts mispredicted return instructions retired.",
         "SampleAfterValue": "50021",
         "UMask": "0x8"
     },
@@ -551,11 +550,11 @@
         "UMask": "0x4"
     },
     {
-        "BriefDescription": "Increments whenever there is an update to the LBR array.",
+        "BriefDescription": "Increments whenever there is an update to the LBR array. [This event is alias to LBR_INSERTS.ANY]",
         "Counter": "0,1,2,3,4,5,6,7",
         "EventCode": "0xcc",
         "EventName": "MISC_RETIRED.LBR_INSERTS",
-        "PublicDescription": "Increments when an entry is added to the Last Branch Record (LBR) array (or removed from the array in case of RETURNs in call stack mode). The event requires LBR enable via IA32_DEBUGCTL MSR and branch type selection via MSR_LBR_SELECT.",
+        "PublicDescription": "Increments when an entry is added to the Last Branch Record (LBR) array (or removed from the array in case of RETURNs in call stack mode). The event requires LBR enable via IA32_DEBUGCTL MSR and branch type selection via MSR_LBR_SELECT. [This event is alias to LBR_INSERTS.ANY]",
         "SampleAfterValue": "100003",
         "UMask": "0x20"
     },
diff --git a/tools/perf/pmu-events/arch/x86/tigerlake/tgl-metrics.json b/tools/perf/pmu-events/arch/x86/tigerlake/tgl-metrics.json
index 908da985c594..734713e6a964 100644
--- a/tools/perf/pmu-events/arch/x86/tigerlake/tgl-metrics.json
+++ b/tools/perf/pmu-events/arch/x86/tigerlake/tgl-metrics.json
@@ -159,16 +159,16 @@
     {
         "BriefDescription": "Total pipeline cost of external Memory- or Cache-Bandwidth related bottlenecks",
         "MetricConstraint": "NO_GROUP_EVENTS",
-        "MetricExpr": "100 * (tma_memory_bound * (tma_dram_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_mem_bandwidth / (tma_mem_bandwidth + tma_mem_latency)) + tma_memory_bound * (tma_l3_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_sq_full / (tma_contested_accesses + tma_data_sharing + tma_l3_hit_latency + tma_sq_full)) + tma_memory_bound * (tma_l1_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_fb_full / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)))",
+        "MetricExpr": "100 * (tma_memory_bound * (tma_l3_miss_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_mem_bandwidth / (tma_mem_bandwidth + tma_mem_latency)) + tma_memory_bound * (tma_l3_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_sq_full / (tma_contested_accesses + tma_data_sharing + tma_l3_hit_latency + tma_sq_full)) + tma_memory_bound * (tma_l1_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_fb_full / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)))",
         "MetricGroup": "BvMB;Mem;MemoryBW;Offcore;tma_issueBW",
         "MetricName": "tma_bottleneck_data_cache_memory_bandwidth",
         "MetricThreshold": "tma_bottleneck_data_cache_memory_bandwidth > 20",
-        "PublicDescription": "Total pipeline cost of external Memory- or Cache-Bandwidth related bottlenecks. Related metrics: tma_fb_full, tma_info_system_dram_bw_use, tma_mem_bandwidth, tma_sq_full"
+        "PublicDescription": "Total pipeline cost of external Memory- or Cache-Bandwidth related bottlenecks. Related metrics: tma_fb_full, tma_info_system_dram_bw_use, tma_mem_bandwidth, tma_sq_full, tma_uc_bound"
     },
     {
         "BriefDescription": "Total pipeline cost of external Memory- or Cache-Latency related bottlenecks",
         "MetricConstraint": "NO_GROUP_EVENTS",
-        "MetricExpr": "100 * (tma_memory_bound * (tma_dram_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_mem_latency / (tma_mem_bandwidth + tma_mem_latency)) + tma_memory_bound * (tma_l3_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_l3_hit_latency / (tma_contested_accesses + tma_data_sharing + tma_l3_hit_latency + tma_sq_full)) + tma_memory_bound * tma_l2_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound) + tma_memory_bound * (tma_l1_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_l1_latency_dependency / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_l1_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_lock_latency / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_l1_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_split_loads / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_store_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_split_stores / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores)) + tma_memory_bound * (tma_store_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_store_latency / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores)))",
+        "MetricExpr": "100 * (tma_memory_bound * (tma_l3_miss_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_mem_latency / (tma_mem_bandwidth + tma_mem_latency)) + tma_memory_bound * (tma_l3_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_l3_hit_latency / (tma_contested_accesses + tma_data_sharing + tma_l3_hit_latency + tma_sq_full)) + tma_memory_bound * tma_l2_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound) + tma_memory_bound * (tma_l1_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_l1_latency_dependency / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_l1_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_lock_latency / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_l1_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_split_loads / (tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_store_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_split_stores / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores)) + tma_memory_bound * (tma_store_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_store_latency / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores)))",
         "MetricGroup": "BvML;Mem;MemoryLat;Offcore;tma_issueLat",
         "MetricName": "tma_bottleneck_data_cache_memory_latency",
         "MetricThreshold": "tma_bottleneck_data_cache_memory_latency > 20",
@@ -194,7 +194,7 @@
     {
         "BriefDescription": "Total pipeline cost of Memory Address Translation related bottlenecks (data-side TLBs)",
         "MetricConstraint": "NO_GROUP_EVENTS",
-        "MetricExpr": "100 * (tma_memory_bound * (tma_l1_bound / max(tma_memory_bound, tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_dtlb_load / max(tma_l1_bound, tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_store_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_dtlb_store / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores)))",
+        "MetricExpr": "100 * (tma_memory_bound * (tma_l1_bound / max(tma_memory_bound, tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_dtlb_load / max(tma_l1_bound, tma_4k_aliasing + tma_dtlb_load + tma_fb_full + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_fwd_blk)) + tma_memory_bound * (tma_store_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_dtlb_store / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores)))",
         "MetricGroup": "BvMT;Mem;MemoryTLB;Offcore;tma_issueTLB",
         "MetricName": "tma_bottleneck_memory_data_tlbs",
         "MetricThreshold": "tma_bottleneck_memory_data_tlbs > 20",
@@ -203,7 +203,7 @@
     {
         "BriefDescription": "Total pipeline cost of Memory Synchronization related bottlenecks (data transfers and coherency updates across processors)",
         "MetricConstraint": "NO_GROUP_EVENTS",
-        "MetricExpr": "100 * (tma_memory_bound * (tma_l3_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound) * (tma_contested_accesses + tma_data_sharing) / (tma_contested_accesses + tma_data_sharing + tma_l3_hit_latency + tma_sq_full) + tma_store_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound) * tma_false_sharing / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores - tma_store_latency)) + tma_machine_clears * (1 - tma_other_nukes / tma_other_nukes))",
+        "MetricExpr": "100 * (tma_memory_bound * (tma_l3_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound) * (tma_contested_accesses + tma_data_sharing) / (tma_contested_accesses + tma_data_sharing + tma_l3_hit_latency + tma_sq_full) + tma_store_bound / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound) * tma_false_sharing / (tma_dtlb_store + tma_false_sharing + tma_split_stores + tma_store_latency + tma_streaming_stores - tma_store_latency)) + tma_machine_clears * (1 - tma_other_nukes / tma_other_nukes))",
         "MetricGroup": "BvMS;LockCont;Mem;Offcore;tma_issueSyncxn",
         "MetricName": "tma_bottleneck_memory_synchronization",
         "MetricThreshold": "tma_bottleneck_memory_synchronization > 10",
@@ -349,13 +349,13 @@
         "ScaleUnit": "100%"
     },
     {
-        "BriefDescription": "This metric estimates fraction of cycles while the memory subsystem was handling synchronizations due to data-sharing accesses",
+        "BriefDescription": "This metric estimates fraction of cycles while the memory subsystem was handling synchronizations due to L3 data-sharing accesses",
         "MetricConstraint": "NO_GROUP_EVENTS",
         "MetricExpr": "48 * tma_info_system_core_frequency * (MEM_LOAD_L3_HIT_RETIRED.XSNP_NO_FWD + MEM_LOAD_L3_HIT_RETIRED.XSNP_FWD * (1 - OCR.DEMAND_DATA_RD.L3_HIT.SNOOP_HITM / (OCR.DEMAND_DATA_RD.L3_HIT.SNOOP_HITM + OCR.DEMAND_DATA_RD.L3_HIT.SNOOP_HIT_WITH_FWD))) * (1 + MEM_LOAD_RETIRED.FB_HIT / MEM_LOAD_RETIRED.L1_MISS / 2) / tma_info_thread_clks",
         "MetricGroup": "BvMS;Offcore;Snoop;TopdownL4;tma_L4_group;tma_issueSyncxn;tma_l3_bound_group",
         "MetricName": "tma_data_sharing",
         "MetricThreshold": "tma_data_sharing > 0.05 & (tma_l3_bound > 0.05 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
-        "PublicDescription": "This metric estimates fraction of cycles while the memory subsystem was handling synchronizations due to data-sharing accesses. Data shared by multiple Logical Processors (even just read shared) may cause increased access latency due to cache coherency. Excessive data sharing can drastically harm multithreaded performance. Sample with: MEM_LOAD_L3_HIT_RETIRED.XSNP_NO_FWD. Related metrics: tma_bottleneck_memory_synchronization, tma_contested_accesses, tma_false_sharing, tma_machine_clears, tma_remote_cache",
+        "PublicDescription": "This metric estimates fraction of cycles while the memory subsystem was handling synchronizations due to L3 data-sharing accesses. Data shared by multiple Logical Processors (even just read shared) may cause increased access latency due to cache coherency. Excessive data sharing can drastically harm multithreaded performance. Sample with: MEM_LOAD_L3_HIT_RETIRED.XSNP_NO_FWD. Related metrics: tma_bottleneck_memory_synchronization, tma_contested_accesses, tma_false_sharing, tma_machine_clears, tma_remote_cache",
         "ScaleUnit": "100%"
     },
     {
@@ -376,16 +376,6 @@
         "PublicDescription": "This metric represents fraction of cycles where the Divider unit was active. Divide and square root instructions are performed by the Divider unit and can take considerably longer latency than integer or Floating Point addition; subtraction; or multiplication. Sample with: ARITH.DIVIDER_ACTIVE",
         "ScaleUnit": "100%"
     },
-    {
-        "BriefDescription": "This metric estimates how often the CPU was stalled on accesses to external memory (DRAM) by loads",
-        "MetricConstraint": "NO_GROUP_EVENTS",
-        "MetricExpr": "CYCLE_ACTIVITY.STALLS_L3_MISS / tma_info_thread_clks + (CYCLE_ACTIVITY.STALLS_L1D_MISS - CYCLE_ACTIVITY.STALLS_L2_MISS) / tma_info_thread_clks - tma_l2_bound",
-        "MetricGroup": "MemoryBound;TmaL3mem;TopdownL3;tma_L3_group;tma_memory_bound_group",
-        "MetricName": "tma_dram_bound",
-        "MetricThreshold": "tma_dram_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2)",
-        "PublicDescription": "This metric estimates how often the CPU was stalled on accesses to external memory (DRAM) by loads. Better caching can improve the latency and increase performance. Sample with: MEM_LOAD_RETIRED.L3_MISS",
-        "ScaleUnit": "100%"
-    },
     {
         "BriefDescription": "This metric represents Core fraction of cycles in which CPU was likely limited due to DSB (decoded uop cache) fetch pipeline",
         "MetricExpr": "(IDQ.DSB_CYCLES_ANY - IDQ.DSB_CYCLES_OK) / tma_info_core_core_clks / 2",
@@ -437,7 +427,7 @@
         "MetricGroup": "BvMB;MemoryBW;TopdownL4;tma_L4_group;tma_issueBW;tma_issueSL;tma_issueSmSt;tma_l1_bound_group",
         "MetricName": "tma_fb_full",
         "MetricThreshold": "tma_fb_full > 0.3",
-        "PublicDescription": "This metric does a *rough estimation* of how often L1D Fill Buffer unavailability limited additional L1D miss memory access requests to proceed. The higher the metric value; the deeper the memory hierarchy level the misses are satisfied from (metric values >1 are valid). Often it hints on approaching bandwidth limits (to L2 cache; L3 cache or external memory). Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_info_system_dram_bw_use, tma_mem_bandwidth, tma_sq_full, tma_store_latency, tma_streaming_stores",
+        "PublicDescription": "This metric does a *rough estimation* of how often L1D Fill Buffer unavailability limited additional L1D miss memory access requests to proceed. The higher the metric value; the deeper the memory hierarchy level the misses are satisfied from (metric values >1 are valid). Often it hints on approaching bandwidth limits (to L2 cache; L3 cache or external memory). Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_info_system_dram_bw_use, tma_mem_bandwidth, tma_sq_full, tma_store_latency, tma_streaming_stores, tma_uc_bound",
         "ScaleUnit": "100%"
     },
     {
@@ -723,7 +713,7 @@
     },
     {
         "BriefDescription": "Fraction of Uops delivered by the DSB (aka Decoded ICache; or Uop Cache)",
-        "MetricExpr": "IDQ.DSB_UOPS / UOPS_ISSUED.ANY",
+        "MetricExpr": "IDQ.DSB_UOPS / (IDQ.DSB_UOPS + LSD.UOPS + IDQ.MITE_UOPS + IDQ.MS_UOPS)",
         "MetricGroup": "DSB;Fed;FetchBW;tma_issueFB",
         "MetricName": "tma_info_frontend_dsb_coverage",
         "MetricThreshold": "tma_info_frontend_dsb_coverage < 0.7 & tma_info_thread_ipc / 5 > 0.35",
@@ -774,7 +764,7 @@
     },
     {
         "BriefDescription": "Fraction of Uops delivered by the LSD (Loop Stream Detector; aka Loop Cache)",
-        "MetricExpr": "LSD.UOPS / UOPS_ISSUED.ANY",
+        "MetricExpr": "LSD.UOPS / (IDQ.DSB_UOPS + LSD.UOPS + IDQ.MITE_UOPS + IDQ.MS_UOPS)",
         "MetricGroup": "Fed;LSD",
         "MetricName": "tma_info_frontend_lsd_coverage"
     },
@@ -1085,7 +1075,7 @@
         "MetricName": "tma_info_memory_tlb_store_stlb_mpki"
     },
     {
-        "BriefDescription": "Mem;Backend;CacheHits",
+        "BriefDescription": "Instruction-Level-Parallelism (average number of uops executed when there is execution) per physical core",
         "MetricExpr": "UOPS_EXECUTED.THREAD / (UOPS_EXECUTED.CORE_CYCLES_GE_1 / 2 if #SMT_on else cpu@UOPS_EXECUTED.THREAD\\,cmask\\=1@)",
         "MetricGroup": "Cor;Pipeline;PortsUtil;SMT",
         "MetricName": "tma_info_pipeline_execute"
@@ -1151,7 +1141,7 @@
         "MetricExpr": "64 * (UNC_ARB_TRK_REQUESTS.ALL + UNC_ARB_COH_TRK_REQUESTS.ALL) / 1e6 / tma_info_system_time / 1e3",
         "MetricGroup": "HPC;MemOffcore;MemoryBW;SoC;tma_issueBW",
         "MetricName": "tma_info_system_dram_bw_use",
-        "PublicDescription": "Average external Memory Bandwidth Use for reads and writes [GB / sec]. Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_mem_bandwidth, tma_sq_full"
+        "PublicDescription": "Average external Memory Bandwidth Use for reads and writes [GB / sec]. Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_mem_bandwidth, tma_sq_full, tma_uc_bound"
     },
     {
         "BriefDescription": "Giga Floating Point Operations Per Second",
@@ -1208,29 +1198,6 @@
         "MetricGroup": "Power;SoC",
         "MetricName": "tma_info_system_power"
     },
-    {
-        "BriefDescription": "Fraction of Core cycles where the core was running with power-delivery for baseline license level 0",
-        "MetricExpr": "CORE_POWER.LVL0_TURBO_LICENSE / tma_info_core_core_clks",
-        "MetricGroup": "Power",
-        "MetricName": "tma_info_system_power_license0_utilization",
-        "PublicDescription": "Fraction of Core cycles where the core was running with power-delivery for baseline license level 0.  This includes non-AVX codes, SSE, AVX 128-bit, and low-current AVX 256-bit codes."
-    },
-    {
-        "BriefDescription": "Fraction of Core cycles where the core was running with power-delivery for license level 1",
-        "MetricExpr": "CORE_POWER.LVL1_TURBO_LICENSE / tma_info_core_core_clks",
-        "MetricGroup": "Power",
-        "MetricName": "tma_info_system_power_license1_utilization",
-        "MetricThreshold": "tma_info_system_power_license1_utilization > 0.5",
-        "PublicDescription": "Fraction of Core cycles where the core was running with power-delivery for license level 1.  This includes high current AVX 256-bit instructions as well as low current AVX 512-bit instructions."
-    },
-    {
-        "BriefDescription": "Fraction of Core cycles where the core was running with power-delivery for license level 2 (introduced in SKX)",
-        "MetricExpr": "CORE_POWER.LVL2_TURBO_LICENSE / tma_info_core_core_clks",
-        "MetricGroup": "Power",
-        "MetricName": "tma_info_system_power_license2_utilization",
-        "MetricThreshold": "tma_info_system_power_license2_utilization > 0.5",
-        "PublicDescription": "Fraction of Core cycles where the core was running with power-delivery for license level 2 (introduced in SKX).  This includes high current AVX 512-bit instructions."
-    },
     {
         "BriefDescription": "Fraction of cycles where both hardware Logical Processors were active",
         "MetricExpr": "(1 - CPU_CLK_UNHALTED.ONE_THREAD_ACTIVE / CPU_CLK_UNHALTED.REF_DISTRIBUTED if #SMT_on else 0)",
@@ -1379,6 +1346,15 @@
         "PublicDescription": "This metric estimates fraction of cycles with demand load accesses that hit the L3 cache under unloaded scenarios (possibly L3 latency limited).  Avoiding private cache misses (i.e. L2 misses/L3 hits) will improve the latency; reduce contention with sibling physical cores and increase performance.  Note the value of this node may overlap with its siblings. Sample with: MEM_LOAD_RETIRED.L3_HIT_PS. Related metrics: tma_bottleneck_data_cache_memory_latency, tma_mem_latency",
         "ScaleUnit": "100%"
     },
+    {
+        "BriefDescription": "This metric estimates how often the CPU was stalled on accesses to external memory (DRAM) by loads",
+        "MetricExpr": "CYCLE_ACTIVITY.STALLS_L3_MISS / tma_info_thread_clks + (CYCLE_ACTIVITY.STALLS_L1D_MISS - CYCLE_ACTIVITY.STALLS_L2_MISS) / tma_info_thread_clks - tma_l2_bound",
+        "MetricGroup": "MemoryBound;Offcore;TmaL3mem;TopdownL3;tma_L3_group;tma_memory_bound_group",
+        "MetricName": "tma_l3_miss_bound",
+        "MetricThreshold": "tma_l3_miss_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2)",
+        "PublicDescription": "This metric estimates how often the CPU was stalled on accesses to external memory (DRAM) by loads. Better caching can improve the latency and increase performance. Sample with: MEM_LOAD_RETIRED.L3_MISS",
+        "ScaleUnit": "100%"
+    },
     {
         "BriefDescription": "This metric represents fraction of cycles CPU was stalled due to Length Changing Prefixes (LCPs)",
         "MetricExpr": "DECODE.LCP / tma_info_thread_clks",
@@ -1479,18 +1455,18 @@
     {
         "BriefDescription": "This metric estimates fraction of cycles where the core's performance was likely hurt due to approaching bandwidth limits of external memory - DRAM ([SPR-HBM] and/or HBM)",
         "MetricExpr": "min(CPU_CLK_UNHALTED.THREAD, cpu@OFFCORE_REQUESTS_OUTSTANDING.ALL_DATA_RD\\,cmask\\=4@) / tma_info_thread_clks",
-        "MetricGroup": "BvMB;MemoryBW;Offcore;TopdownL4;tma_L4_group;tma_dram_bound_group;tma_issueBW",
+        "MetricGroup": "BvMB;MemoryBW;Offcore;TopdownL4;tma_L4_group;tma_issueBW;tma_l3_miss_bound_group",
         "MetricName": "tma_mem_bandwidth",
-        "MetricThreshold": "tma_mem_bandwidth > 0.2 & (tma_dram_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
-        "PublicDescription": "This metric estimates fraction of cycles where the core's performance was likely hurt due to approaching bandwidth limits of external memory - DRAM ([SPR-HBM] and/or HBM).  The underlying heuristic assumes that a similar off-core traffic is generated by all IA cores. This metric does not aggregate non-data-read requests by this logical processor; requests from other IA Logical Processors/Physical Cores/sockets; or other non-IA devices like GPU; hence the maximum external memory bandwidth limits may or may not be approached when this metric is flagged (see Uncore counters for that). Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_info_system_dram_bw_use, tma_sq_full",
+        "MetricThreshold": "tma_mem_bandwidth > 0.2 & (tma_l3_miss_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
+        "PublicDescription": "This metric estimates fraction of cycles where the core's performance was likely hurt due to approaching bandwidth limits of external memory - DRAM ([SPR-HBM] and/or HBM).  The underlying heuristic assumes that a similar off-core traffic is generated by all IA cores. This metric does not aggregate non-data-read requests by this logical processor; requests from other IA Logical Processors/Physical Cores/sockets; or other non-IA devices like GPU; hence the maximum external memory bandwidth limits may or may not be approached when this metric is flagged (see Uncore counters for that). Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_info_system_dram_bw_use, tma_sq_full, tma_uc_bound",
         "ScaleUnit": "100%"
     },
     {
         "BriefDescription": "This metric estimates fraction of cycles where the performance was likely hurt due to latency from external memory - DRAM ([SPR-HBM] and/or HBM)",
         "MetricExpr": "min(CPU_CLK_UNHALTED.THREAD, OFFCORE_REQUESTS_OUTSTANDING.CYCLES_WITH_DATA_RD) / tma_info_thread_clks - tma_mem_bandwidth",
-        "MetricGroup": "BvML;MemoryLat;Offcore;TopdownL4;tma_L4_group;tma_dram_bound_group;tma_issueLat",
+        "MetricGroup": "BvML;MemoryLat;Offcore;TopdownL4;tma_L4_group;tma_issueLat;tma_l3_miss_bound_group",
         "MetricName": "tma_mem_latency",
-        "MetricThreshold": "tma_mem_latency > 0.1 & (tma_dram_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
+        "MetricThreshold": "tma_mem_latency > 0.1 & (tma_l3_miss_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
         "PublicDescription": "This metric estimates fraction of cycles where the performance was likely hurt due to latency from external memory - DRAM ([SPR-HBM] and/or HBM).  This metric does not aggregate requests from other Logical Processors/Physical Cores/sockets (see Uncore counters for that). Related metrics: tma_bottleneck_data_cache_memory_latency, tma_l3_hit_latency",
         "ScaleUnit": "100%"
     },
@@ -1554,7 +1530,7 @@
         "MetricGroup": "TopdownL5;tma_L5_group;tma_issueMV;tma_ports_utilized_0_group",
         "MetricName": "tma_mixing_vectors",
         "MetricThreshold": "tma_mixing_vectors > 0.05",
-        "PublicDescription": "This metric estimates penalty in terms of percentage of([SKL+] injected blend uops out of all Uops Issued -- the Count Domain; [ADL+] cycles). Usually a Mixing_Vectors over 5% is worth investigating. Read more in Appendix B1 of the Optimizations Guide for this topic. Related metrics: tma_ms_switches",
+        "PublicDescription": "This metric estimates penalty in terms of percentage of([SKL+] injected blend uops out of all Uops Issued -- the Count Domain; [ADL+] cycles). Usually a Mixing_Vectors over 5% is worth investigating. Read more in Appendix B1 of the Optimizations Guide for this topic. Related metrics: tma_info_inst_mix_vectormixpki, tma_ms_switches",
         "ScaleUnit": "100%"
     },
     {
@@ -1571,7 +1547,7 @@
         "MetricGroup": "FetchLat;MicroSeq;TopdownL3;tma_L3_group;tma_fetch_latency_group;tma_issueMC;tma_issueMS;tma_issueMV;tma_issueSO",
         "MetricName": "tma_ms_switches",
         "MetricThreshold": "tma_ms_switches > 0.05 & (tma_fetch_latency > 0.1 & tma_frontend_bound > 0.15)",
-        "PublicDescription": "This metric estimates the fraction of cycles when the CPU was stalled due to switches of uop delivery to the Microcode Sequencer (MS). Commonly used instructions are optimized for delivery by the DSB (decoded i-cache) or MITE (legacy instruction decode) pipelines. Certain operations cannot be handled natively by the execution pipeline; and must be performed by microcode (small programs injected into the execution stream). Switching to the MS too often can negatively impact performance. The MS is designated to deliver long uop flows required by CISC instructions like CPUID; or uncommon conditions like Floating Point Assists when dealing with Denormals. Sample with: IDQ.MS_SWITCHES. Related metrics: tma_bottleneck_irregular_overhead, tma_clears_resteers, tma_l1_bound, tma_machine_clears, tma_microcode_sequencer, tma_mixing_vectors, tma_serializing_operation",
+        "PublicDescription": "This metric estimates the fraction of cycles when the CPU was stalled due to switches of uop delivery to the Microcode Sequencer (MS). Commonly used instructions are optimized for delivery by the DSB (decoded i-cache) or MITE (legacy instruction decode) pipelines. Certain operations cannot be handled natively by the execution pipeline; and must be performed by microcode (small programs injected into the execution stream). Switching to the MS too often can negatively impact performance. The MS is designated to deliver long uop flows required by CISC instructions like CPUID; or uncommon conditions like Floating Point Assists when dealing with Denormals. Sample with: IDQ.MS_SWITCHES. Related metrics: tma_bottleneck_irregular_overhead, tma_clears_resteers, tma_info_inst_mix_vectormixpki, tma_l1_bound, tma_machine_clears, tma_microcode_sequencer, tma_mixing_vectors, tma_serializing_operation",
         "ScaleUnit": "100%"
     },
     {
@@ -1743,7 +1719,7 @@
         "MetricGroup": "BvMB;MemoryBW;Offcore;TopdownL4;tma_L4_group;tma_issueBW;tma_l3_bound_group",
         "MetricName": "tma_sq_full",
         "MetricThreshold": "tma_sq_full > 0.3 & (tma_l3_bound > 0.05 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
-        "PublicDescription": "This metric measures fraction of cycles where the Super Queue (SQ) was full taking into account all request-types and both hardware SMT threads (Logical Processors). Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_info_system_dram_bw_use, tma_mem_bandwidth",
+        "PublicDescription": "This metric measures fraction of cycles where the Super Queue (SQ) was full taking into account all request-types and both hardware SMT threads (Logical Processors). Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_info_system_dram_bw_use, tma_mem_bandwidth, tma_uc_bound",
         "ScaleUnit": "100%"
     },
     {
-- 
2.56.0.rc1.315.gc6ed9934b7-goog


  parent reply	other threads:[~2026-09-24 17:04 UTC|newest]

Thread overview: 50+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-09-24  5:36 [PATCH v1 00/21] perf vendor events intel: update Ian Rogers
2026-09-24  5:36 ` [PATCH v1 01/21] perf vendor events intel: Update alderlake events from 1.40 to 1.41 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 02/21] perf vendor events intel: Update alderlaken " Ian Rogers
2026-09-24  5:36 ` [PATCH v1 03/21] perf vendor events intel: Update arrowlake events from 1.20 to 1.21 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 04/21] perf vendor events intel: Update broadwell metrics to TMA 5.2 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 05/21] perf vendor events intel: Update cascadelakex " Ian Rogers
2026-09-24  5:36 ` [PATCH v1 06/21] perf vendor events intel: Update emeraldrapids events from 1.24 to 1.25 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 07/21] perf vendor events intel: Update graniterapids events from 1.20 to 1.21 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 08/21] perf vendor events intel: Update haswell metrics to TMA 5.2 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 09/21] perf vendor events intel: Update icelake events to 1.25 and TMA metrics to 5.2 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 10/21] perf vendor events intel: Update icelakex events to 1.31 " Ian Rogers
2026-09-24  5:36 ` [PATCH v1 11/21] perf vendor events intel: Update ivybridge metrics to TMA 5.2 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 12/21] perf vendor events intel: Update ivytown " Ian Rogers
2026-09-24  5:36 ` [PATCH v1 13/21] perf vendor events intel: Update jaketown " Ian Rogers
2026-09-24  5:36 ` [PATCH v1 14/21] perf vendor events intel: Update meteorlake events from 1.22 to 1.23 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 15/21] perf vendor events intel: Update novalake events from 1.00 to 1.04 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 16/21] perf vendor events intel: Update pantherlake events from 1.07 to 1.08 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 17/21] perf vendor events intel: Update rocketlake events from 1.04 to 1.06 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 18/21] perf vendor events intel: Update sandybridge metrics to TMA 5.2 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 19/21] perf vendor events intel: Update sapphirerapids events from 1.39 to 1.40 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 20/21] perf vendor events intel: Update skylake metrics to TMA 5.2 Ian Rogers
2026-09-24  5:36 ` [PATCH v1 21/21] perf vendor events intel: Update tigerlake events to 1.20 and TMA metrics to 5.2 Ian Rogers
2026-09-24  8:45 ` [PATCH v1 00/21] perf vendor events intel: update Mi, Dapeng
2026-09-24 17:03 ` [PATCH v2 00/26] " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 01/26] perf vendor events intel: Update alderlake events from 1.40 to 1.41 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 02/26] perf vendor events intel: Update alderlaken " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 03/26] perf vendor events intel: Update arrowlake events from 1.20 to 1.21 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 04/26] perf vendor events intel: Update broadwell metrics to TMA 5.2 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 05/26] perf vendor events intel: Update cascadelakex " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 06/26] perf vendor events intel: Update emeraldrapids events from 1.24 to 1.25 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 07/26] perf vendor events intel: Update graniterapids events from 1.20 to 1.21 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 08/26] perf vendor events intel: Update haswell metrics to TMA 5.2 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 09/26] perf vendor events intel: Update icelake events to 1.25 and TMA metrics to 5.2 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 10/26] perf vendor events intel: Update icelakex events to 1.31 " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 11/26] perf vendor events intel: Update ivybridge metrics to TMA 5.2 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 12/26] perf vendor events intel: Update ivytown " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 13/26] perf vendor events intel: Update jaketown " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 14/26] perf vendor events intel: Update meteorlake events from 1.22 to 1.23 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 15/26] perf vendor events intel: Update novalake events from 1.00 to 1.04 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 16/26] perf vendor events intel: Update pantherlake events from 1.07 to 1.08 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 17/26] perf vendor events intel: Update rocketlake events from 1.04 to 1.06 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 18/26] perf vendor events intel: Update sandybridge metrics to TMA 5.2 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 19/26] perf vendor events intel: Update sapphirerapids events from 1.39 to 1.40 Ian Rogers
2026-09-24 17:03   ` [PATCH v2 20/26] perf vendor events intel: Update skylake metrics to TMA 5.2 Ian Rogers
2026-09-24 17:03   ` Ian Rogers [this message]
2026-09-24 17:03   ` [PATCH v2 22/26] perf vendor events intel: Fix clearwaterforest umask encoding Ian Rogers
2026-09-24 17:03   ` [PATCH v2 23/26] perf vendor events intel: Fix lunarlake " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 24/26] perf vendor events intel: Fix sierraforest " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 25/26] perf vendor events intel: Fix skylakex " Ian Rogers
2026-09-24 17:03   ` [PATCH v2 26/26] perf vendor events intel: Fix snowridgex " Ian Rogers

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