From: Chun-Tse Shao <ctshao@google.com>
To: peterz@infradead.org, mingo@redhat.com, acme@kernel.org,
namhyung@kernel.org
Cc: alexander.shishkin@linux.intel.com, jolsa@kernel.org,
adrian.hunter@intel.com, james.clark@linaro.org,
afaerber@suse.de, mani@kernel.org, dapeng1.mi@linux.intel.com,
thomas.falcon@intel.com, irogers@google.com,
linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org,
perry.taylor@intel.com, Chun-Tse Shao <ctshao@google.com>
Subject: [PATCH v1 03/12] perf vendor events intel: Update arrowlake events from 1.19 to 1.20
Date: Mon, 13 Jul 2026 11:17:48 -0700 [thread overview]
Message-ID: <20260713181757.481164-4-ctshao@google.com> (raw)
In-Reply-To: <20260713181757.481164-1-ctshao@google.com>
The updated events were published in:
https://github.com/intel/perfmon/commit/b23ebe7bc25add0c835565e4bc87e063cb620a02
Signed-off-by: Chun-Tse Shao <ctshao@google.com>
---
.../arch/x86/arrowlake/arl-metrics.json | 152 ++++++++++--------
.../arch/x86/arrowlake/metricgroups.json | 2 +-
.../arch/x86/arrowlake/pipeline.json | 2 +-
.../arch/x86/arrowlake/uncore-memory.json | 84 ++++++++--
tools/perf/pmu-events/arch/x86/mapfile.csv | 2 +-
5 files changed, 160 insertions(+), 82 deletions(-)
diff --git a/tools/perf/pmu-events/arch/x86/arrowlake/arl-metrics.json b/tools/perf/pmu-events/arch/x86/arrowlake/arl-metrics.json
index 4f1f77404943..52db2caafc0a 100644
--- a/tools/perf/pmu-events/arch/x86/arrowlake/arl-metrics.json
+++ b/tools/perf/pmu-events/arch/x86/arrowlake/arl-metrics.json
@@ -823,16 +823,16 @@
},
{
"BriefDescription": "Total pipeline cost of external Memory- or Cache-Bandwidth related bottlenecks",
- "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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_uc_bound)) + 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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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",
"Unit": "cpu_core"
},
{
"BriefDescription": "Total pipeline cost of external Memory- or Cache-Latency related bottlenecks",
- "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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_l1_latency_capacity / (tma_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_uc_bound)) + 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_capacity / (tma_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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",
@@ -858,7 +858,7 @@
},
{
"BriefDescription": "Total pipeline cost of Memory Address Translation related bottlenecks (data-side TLBs)",
- "MetricExpr": "100 * (tma_memory_bound * (tma_l1_bound / (tma_dram_bound + tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_store_bound)) * (tma_dtlb_load / (tma_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_l1_latency_dependency + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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 / (tma_l1_bound + tma_l2_bound + tma_l3_bound + tma_l3_miss_bound + tma_store_bound)) * (tma_dtlb_load / (tma_dtlb_load + tma_fb_full + tma_l1_latency_capacity + tma_lock_latency + tma_split_loads + tma_store_early_blk + 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",
@@ -867,7 +867,7 @@
},
{
"BriefDescription": "Total pipeline cost of Memory Synchronization related bottlenecks (data transfers and coherency updates across processors)",
- "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",
@@ -1015,7 +1015,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to retired misprediction by non-taken conditional branches.",
- "MetricExpr": "cpu_core@BR_MISP_RETIRED.COND_NTAKEN_COST@ * cpu_core@BR_MISP_RETIRED.COND_NTAKEN_COST@R / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@BR_MISP_RETIRED.COND_NTAKEN@ / cpu_core@BR_MISP_RETIRED.ALL_BRANCHES@ * tma_branch_mispredicts",
"MetricGroup": "BrMispredicts;TopdownL3;tma_L3_group;tma_branch_mispredicts_group",
"MetricName": "tma_cond_nt_mispredicts",
"MetricThreshold": "tma_cond_nt_mispredicts > 0.05 & (tma_branch_mispredicts > 0.1 & tma_bad_speculation > 0.15)",
@@ -1024,7 +1024,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to misprediction by backward-taken conditional branches.",
- "MetricExpr": "cpu_core@BR_MISP_RETIRED.COND_TAKEN_BWD_COST@ * cpu_core@BR_MISP_RETIRED.COND_TAKEN_BWD_COST@R / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@BR_MISP_RETIRED.COND_TAKEN_BWD@ / cpu_core@BR_MISP_RETIRED.ALL_BRANCHES@ * tma_branch_mispredicts",
"MetricGroup": "BrMispredicts;TopdownL3;tma_L3_group;tma_branch_mispredicts_group",
"MetricName": "tma_cond_tk_bwd_mispredicts",
"MetricThreshold": "tma_cond_tk_bwd_mispredicts > 0.05 & (tma_branch_mispredicts > 0.1 & tma_bad_speculation > 0.15)",
@@ -1033,7 +1033,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to misprediction by forward-taken conditional branches.",
- "MetricExpr": "cpu_core@BR_MISP_RETIRED.COND_TAKEN_FWD_COST@ * cpu_core@BR_MISP_RETIRED.COND_TAKEN_FWD_COST@R / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@BR_MISP_RETIRED.COND_TAKEN_FWD@ / cpu_core@BR_MISP_RETIRED.ALL_BRANCHES@ * tma_branch_mispredicts",
"MetricGroup": "BrMispredicts;TopdownL3;tma_L3_group;tma_branch_mispredicts_group",
"MetricName": "tma_cond_tk_fwd_mispredicts",
"MetricThreshold": "tma_cond_tk_fwd_mispredicts > 0.05 & (tma_branch_mispredicts > 0.1 & tma_bad_speculation > 0.15)",
@@ -1046,7 +1046,7 @@
"MetricGroup": "BvMS;DataSharing;LockCont;Offcore;Snoop;TopdownL4;tma_L4_group;tma_issueSyncxn;tma_l3_bound_group",
"MetricName": "tma_contested_accesses",
"MetricThreshold": "tma_contested_accesses > 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 contested accesses. Contested accesses occur when data written by one Logical Processor are read by another Logical Processor on a different Physical Core. Examples of contested accesses include synchronizations such as locks; true data sharing such as modified locked variables; and false sharing. Sample with: MEM_LOAD_L3_HIT_RETIRED.XSNP_FWD;MEM_LOAD_L3_HIT_RETIRED.XSNP_MISS. Related metrics: tma_bottleneck_memory_synchronization, tma_data_sharing, 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 contested accesses. Contested accesses occur when data written by one Logical Processor are read by another Logical Processor on a different Physical Core. Examples of contested accesses include synchronizations such as locks; true data sharing such as modified locked variables; and false sharing. Sample with: MEM_LOAD_L2_MISS_RETIRED.L3.SAME_CBB.HIT_ESF.SNP_MISS;MEM_LOAD_L2_MISS_RETIRED.OTHER_MODULE_L2.SAME_CBB.HIT_M.SNP_FWD. Related metrics: tma_bottleneck_memory_synchronization, tma_data_sharing, tma_false_sharing, tma_machine_clears, tma_remote_cache",
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
@@ -1062,13 +1062,13 @@
"Unit": "cpu_core"
},
{
- "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": "(cpu_core@MEM_LOAD_L3_HIT_RETIRED.XSNP_NO_FWD@ * min(cpu_core@MEM_LOAD_L3_HIT_RETIRED.XSNP_NO_FWD@R, 24 * tma_info_system_core_frequency) + cpu_core@MEM_LOAD_L3_HIT_RETIRED.XSNP_FWD@ * min(cpu_core@MEM_LOAD_L3_HIT_RETIRED.XSNP_FWD@R, 25 * tma_info_system_core_frequency)) * (1 + cpu_core@MEM_LOAD_RETIRED.FB_HIT@ / cpu_core@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_L2_MISS_RETIRED.L3.SAME_CBB.HIT_ESF.SNP_HIT_NO_FWD. Related metrics: tma_bottleneck_memory_synchronization, tma_contested_accesses, tma_false_sharing, tma_machine_clears, tma_remote_cache",
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
@@ -1082,19 +1082,9 @@
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
- {
- "BriefDescription": "This metric estimates how often the CPU was stalled on accesses to external memory (DRAM) by loads",
- "MetricExpr": "cpu_core@MEMORY_STALLS.MEM@ / tma_info_thread_clks",
- "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%",
- "Unit": "cpu_core"
- },
{
"BriefDescription": "This metric represents Core fraction of cycles in which CPU was likely limited due to DSB (decoded uop cache) fetch pipeline",
- "MetricExpr": "(cpu_core@IDQ.DSB_UOPS\\,cmask\\=0x8\\,inv\\=0x1@ / 2 + cpu_core@IDQ.DSB_UOPS@ / (cpu_core@IDQ.DSB_UOPS@ + cpu_core@IDQ.MITE_UOPS@) * (cpu_core@IDQ_BUBBLES.STARVATION_CYCLES@ - cpu_core@IDQ_BUBBLES.FETCH_LATENCY@)) / tma_info_thread_clks",
+ "MetricExpr": "(cpu_core@IDQ.DSB_UOPS\\,cmask\\=0x8\\,inv\\=0x1@ * max(0, 8 - tma_info_pipeline_fetch_dsb) / 8 + cpu_core@IDQ.DSB_UOPS@ / (cpu_core@IDQ.DSB_UOPS@ + cpu_core@IDQ.MITE_UOPS@) * (cpu_core@IDQ_BUBBLES.STARVATION_CYCLES@ - cpu_core@IDQ_BUBBLES.FETCH_LATENCY@)) / tma_info_thread_clks",
"MetricGroup": "DSB;FetchBW;TopdownL3;tma_L3_group;tma_fetch_bandwidth_group",
"MetricName": "tma_dsb",
"MetricThreshold": "tma_dsb > 0.15 & tma_fetch_bandwidth > 0.2",
@@ -1138,7 +1128,7 @@
"MetricGroup": "BvMS;DataSharing;LockCont;Offcore;Snoop;TopdownL4;tma_L4_group;tma_issueSyncxn;tma_store_bound_group",
"MetricName": "tma_false_sharing",
"MetricThreshold": "tma_false_sharing > 0.05 & (tma_store_bound > 0.2 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
- "PublicDescription": "This metric roughly estimates how often CPU was handling synchronizations due to False Sharing. False Sharing is a multithreading hiccup; where multiple Logical Processors contend on different data-elements mapped into the same cache line. Sample with: OCR.DEMAND_RFO.L3_HIT.SNOOP_HITM. Related metrics: tma_bottleneck_memory_synchronization, tma_contested_accesses, tma_data_sharing, tma_machine_clears, tma_remote_cache",
+ "PublicDescription": "This metric roughly estimates how often CPU was handling synchronizations due to False Sharing. False Sharing is a multithreading hiccup; where multiple Logical Processors contend on different data-elements mapped into the same cache line. Sample with: L2_REQUEST.RFO_HIT_XSNP_HIT_FWD. Related metrics: tma_bottleneck_memory_synchronization, tma_contested_accesses, tma_data_sharing, tma_machine_clears, tma_remote_cache",
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
@@ -1148,7 +1138,7 @@
"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%",
"Unit": "cpu_core"
},
@@ -1245,7 +1235,7 @@
},
{
"BriefDescription": "This metric approximates arithmetic FP vector uops fraction the CPU has retired for 256-bit wide vectors",
- "MetricExpr": "cpu_core@FP_ARITH_OPS_RETIRED.VECTOR\\,umask\\=0x30@ / (tma_retiring * tma_info_thread_slots)",
+ "MetricExpr": "cpu_core@FP_ARITH_OPS_RETIRED.VECTOR_256B@ / (tma_retiring * tma_info_thread_slots)",
"MetricGroup": "Compute;Flops;TopdownL5;tma_L5_group;tma_fp_vector_group;tma_issue2P",
"MetricName": "tma_fp_vector_256b",
"MetricThreshold": "tma_fp_vector_256b > 0.1 & (tma_fp_vector > 0.1 & (tma_fp_arith > 0.2 & tma_light_operations > 0.6))",
@@ -1288,7 +1278,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to instruction cache misses",
- "MetricExpr": "cpu_core@ICACHE_DATA.STALLS@ / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@ICACHE_DATA.STALLS@ / tma_info_thread_clks + tma_isb_full",
"MetricGroup": "BigFootprint;BvBC;FetchLat;IcMiss;TopdownL3;tma_L3_group;tma_fetch_latency_group",
"MetricName": "tma_icache_misses",
"MetricThreshold": "tma_icache_misses > 0.05 & (tma_fetch_latency > 0.1 & tma_frontend_bound > 0.15)",
@@ -1298,7 +1288,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to retired misprediction by indirect CALL instructions.",
- "MetricExpr": "cpu_core@BR_MISP_RETIRED.INDIRECT_CALL_COST@ * cpu_core@BR_MISP_RETIRED.INDIRECT_CALL_COST@R / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@BR_MISP_RETIRED.INDIRECT_CALL@ / cpu_core@BR_MISP_RETIRED.ALL_BRANCHES@ * tma_branch_mispredicts",
"MetricGroup": "BrMispredicts;TopdownL3;tma_L3_group;tma_branch_mispredicts_group",
"MetricName": "tma_ind_call_mispredicts",
"MetricThreshold": "tma_ind_call_mispredicts > 0.05 & (tma_branch_mispredicts > 0.1 & tma_bad_speculation > 0.15)",
@@ -1307,7 +1297,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to retired misprediction by indirect JMP instructions.",
- "MetricExpr": "max((cpu_core@BR_MISP_RETIRED.INDIRECT_COST@ * cpu_core@BR_MISP_RETIRED.INDIRECT_COST@R - cpu_core@BR_MISP_RETIRED.INDIRECT_CALL_COST@ * cpu_core@BR_MISP_RETIRED.INDIRECT_CALL_COST@R) / tma_info_thread_clks, 0)",
+ "MetricExpr": "max((cpu_core@BR_MISP_RETIRED.INDIRECT@ - cpu_core@BR_MISP_RETIRED.INDIRECT_CALL@) / cpu_core@BR_MISP_RETIRED.ALL_BRANCHES@ * tma_branch_mispredicts, 0)",
"MetricGroup": "BrMispredicts;TopdownL3;tma_L3_group;tma_branch_mispredicts_group",
"MetricName": "tma_ind_jump_mispredicts",
"MetricThreshold": "tma_ind_jump_mispredicts > 0.05 & (tma_branch_mispredicts > 0.1 & tma_bad_speculation > 0.15)",
@@ -1477,7 +1467,7 @@
},
{
"BriefDescription": "Fraction of Uops delivered by the DSB (aka Decoded ICache; or Uop Cache)",
- "MetricExpr": "cpu_core@IDQ.DSB_UOPS@ / cpu_core@UOPS_ISSUED.ANY@",
+ "MetricExpr": "cpu_core@IDQ.DSB_UOPS@ / (cpu_core@IDQ.DSB_UOPS@ + cpu_core@LSD.UOPS@ + cpu_core@IDQ.MITE_UOPS@ + cpu_core@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 / 8 > 0.35",
@@ -1544,7 +1534,7 @@
},
{
"BriefDescription": "Fraction of Uops delivered by the LSD (Loop Stream Detector; aka Loop Cache)",
- "MetricExpr": "cpu_core@LSD.UOPS@ / cpu_core@UOPS_ISSUED.ANY@",
+ "MetricExpr": "cpu_core@LSD.UOPS@ / (cpu_core@IDQ.DSB_UOPS@ + cpu_core@LSD.UOPS@ + cpu_core@IDQ.MITE_UOPS@ + cpu_core@IDQ.MS_UOPS@)",
"MetricGroup": "Fed;LSD",
"MetricName": "tma_info_frontend_lsd_coverage",
"Unit": "cpu_core"
@@ -1703,6 +1693,15 @@
"PublicDescription": "Instructions per taken branch. Related metrics: tma_dsb_switches, tma_fetch_bandwidth, tma_info_botlnk_l2_dsb_bandwidth, tma_info_botlnk_l2_dsb_misses, tma_info_frontend_dsb_coverage, tma_lcp",
"Unit": "cpu_core"
},
+ {
+ "BriefDescription": "AVX preserve/restore assists per kilo instruction",
+ "MetricExpr": "1e3 * cpu_core@ASSISTS.SSE_AVX_MIX@ / cpu_core@INST_RETIRED.ANY@",
+ "MetricGroup": "tma_issueMV",
+ "MetricName": "tma_info_inst_mix_vectormixpki",
+ "MetricThreshold": "tma_info_inst_mix_vectormixpki > 0.05",
+ "PublicDescription": "AVX preserve/restore assists per kilo instruction. Related metrics: tma_mixing_vectors, tma_ms_switches",
+ "Unit": "cpu_core"
+ },
{
"BriefDescription": "Fill Buffer (FB) hits per kilo instructions for retired demand loads (L1D misses that merge into ongoing miss-handling entries)",
"MetricExpr": "1e3 * cpu_core@MEM_LOAD_RETIRED.FB_HIT@ / cpu_core@INST_RETIRED.ANY@",
@@ -1969,6 +1968,13 @@
"MetricName": "tma_info_pipeline_retire",
"Unit": "cpu_core"
},
+ {
+ "BriefDescription": "Total percent of cycles without actually retired uops",
+ "MetricExpr": "cpu_core@UOPS_RETIRED.STALLS@ / tma_info_thread_clks",
+ "MetricGroup": "Pipeline;Ret",
+ "MetricName": "tma_info_pipeline_retire_stall",
+ "Unit": "cpu_core"
+ },
{
"BriefDescription": "Estimated fraction of retirement-cycles dealing with repeat instructions",
"MetricExpr": "cpu_core@INST_RETIRED.REP_ITERATION@ / cpu_core@UOPS_RETIRED.SLOTS\\,cmask\\=1@",
@@ -2011,7 +2017,7 @@
"MetricExpr": "32 * UNC_M_TOTAL_DATA / 1e9 / tma_info_system_time",
"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",
"Unit": "cpu_core"
},
{
@@ -2082,13 +2088,6 @@
"MetricName": "tma_info_system_turbo_utilization",
"Unit": "cpu_core"
},
- {
- "BriefDescription": "Measured Average Uncore Frequency for the SoC [GHz]",
- "MetricExpr": "tma_info_system_socket_clks / 1e9 / tma_info_system_time",
- "MetricGroup": "SoC",
- "MetricName": "tma_info_system_uncore_frequency",
- "Unit": "cpu_core"
- },
{
"BriefDescription": "Per-Logical Processor actual clocks when the Logical Processor is active.",
"MetricExpr": "cpu_core@CPU_CLK_UNHALTED.THREAD@",
@@ -2180,9 +2179,18 @@
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
+ {
+ "BriefDescription": "This metric represents fraction of cycles Icache tag lookup was stalled due to Instruction Stream Buffer (ISB) being full",
+ "MetricExpr": "(cpu_core@ICACHE_TAG.STALLS_ISB@ + cpu_core@ICACHE_TAG.STALLS_INUSE@) / tma_info_thread_clks",
+ "MetricGroup": "TopdownL4;tma_L4_group;tma_icache_misses_group",
+ "MetricName": "tma_isb_full",
+ "MetricThreshold": "tma_isb_full > 0.05 & (tma_icache_misses > 0.05 & (tma_fetch_latency > 0.1 & tma_frontend_bound > 0.15))",
+ "ScaleUnit": "100%",
+ "Unit": "cpu_core"
+ },
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to Instruction TLB (ITLB) misses",
- "MetricExpr": "cpu_core@ICACHE_TAG.STALLS@ / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@ICACHE_TAG.STALLS@ / tma_info_thread_clks - tma_isb_full",
"MetricGroup": "BigFootprint;BvBC;FetchLat;MemoryTLB;TopdownL3;tma_L3_group;tma_fetch_latency_group",
"MetricName": "tma_itlb_misses",
"MetricThreshold": "tma_itlb_misses > 0.05 & (tma_fetch_latency > 0.1 & tma_frontend_bound > 0.15)",
@@ -2209,19 +2217,9 @@
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
- {
- "BriefDescription": "This metric ([SKL+] roughly; [LNL]) estimates fraction of cycles with demand load accesses that hit the L1D cache",
- "MetricExpr": "4 * cpu_core@DEPENDENT_LOADS.ANY\\,cmask\\=1@ / tma_info_thread_clks",
- "MetricGroup": "BvML;MemoryLat;TopdownL4;tma_L4_group;tma_l1_bound_group",
- "MetricName": "tma_l1_latency_dependency",
- "MetricThreshold": "tma_l1_latency_dependency > 0.1 & (tma_l1_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
- "PublicDescription": "This metric ([SKL+] roughly; [LNL]) estimates fraction of cycles with demand load accesses that hit the L1D cache. The short latency of the L1D cache may be exposed in pointer-chasing memory access patterns as an example. Sample with: MEM_LOAD_RETIRED.L1_HIT",
- "ScaleUnit": "100%",
- "Unit": "cpu_core"
- },
{
"BriefDescription": "This metric estimates how often the CPU was stalled due to L2 cache accesses by loads",
- "MetricExpr": "cpu_core@MEMORY_STALLS.L2@ / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@MEM_LOAD_RETIRED.L2_HIT@ / (cpu_core@MEM_LOAD_RETIRED.L2_HIT@ + cpu_core@MEM_LOAD_MISC_RETIRED.UC@) * cpu_core@MEMORY_STALLS.L2@ / tma_info_thread_clks",
"MetricGroup": "BvML;CacheHits;MemoryBound;TmaL3mem;TopdownL3;tma_L3_group;tma_memory_bound_group",
"MetricName": "tma_l2_bound",
"MetricThreshold": "tma_l2_bound > 0.05 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2)",
@@ -2245,7 +2243,7 @@
"MetricGroup": "CacheHits;MemoryBound;TmaL3mem;TopdownL3;tma_L3_group;tma_memory_bound_group",
"MetricName": "tma_l3_bound",
"MetricThreshold": "tma_l3_bound > 0.05 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2)",
- "PublicDescription": "This metric estimates how often the CPU was stalled due to loads accesses to L3 cache or contended with a sibling Core. Avoiding cache misses (i.e. L2 misses/L3 hits) can improve the latency and increase performance. Sample with: MEM_LOAD_RETIRED.L3_HIT_PS",
+ "PublicDescription": "This metric estimates how often the CPU was stalled due to loads accesses to L3 cache or contended with a sibling Core. Avoiding cache misses (i.e. L2 misses/L3 hits) can improve the latency and increase performance. Sample with: MEM_LOAD_L2_MISS_RETIRED.L3_HIT_SAME_CBB",
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
@@ -2255,7 +2253,17 @@
"MetricGroup": "BvML;MemoryLat;TopdownL4;tma_L4_group;tma_issueLat;tma_l3_bound_group",
"MetricName": "tma_l3_hit_latency",
"MetricThreshold": "tma_l3_hit_latency > 0.1 & (tma_l3_bound > 0.05 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
- "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",
+ "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_L2_MISS_RETIRED.L3_HIT_SAME_CBB. Related metrics: tma_bottleneck_data_cache_memory_latency, tma_mem_latency",
+ "ScaleUnit": "100%",
+ "Unit": "cpu_core"
+ },
+ {
+ "BriefDescription": "This metric estimates how often the CPU was stalled on accesses to external memory (DRAM) by loads",
+ "MetricExpr": "cpu_core@MEMORY_STALLS.MEM@ / tma_info_thread_clks",
+ "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_L2_MISS_RETIRED.L3_MISS",
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
@@ -2348,7 +2356,7 @@
},
{
"BriefDescription": "This metric represents Core fraction of cycles in which CPU was likely limited due to LSD (Loop Stream Detector) unit",
- "MetricExpr": "cpu_core@LSD.UOPS\\,cmask\\=0x8\\,inv\\=0x1@ / tma_info_thread_clks / 2",
+ "MetricExpr": "cpu_core@LSD.UOPS\\,cmask\\=0x8\\,inv\\=0x1@ * max(0, 8 - tma_info_pipeline_fetch_lsd) / 8 / tma_info_thread_clks",
"MetricGroup": "FetchBW;LSD;TopdownL3;tma_L3_group;tma_fetch_bandwidth_group",
"MetricName": "tma_lsd",
"MetricThreshold": "tma_lsd > 0.15 & tma_fetch_bandwidth > 0.2",
@@ -2370,19 +2378,19 @@
{
"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_core@CPU_CLK_UNHALTED.THREAD@, cpu_core@OFFCORE_REQUESTS_OUTSTANDING.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%",
"Unit": "cpu_core"
},
{
"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_core@CPU_CLK_UNHALTED.THREAD@, cpu_core@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%",
"Unit": "cpu_core"
@@ -2438,7 +2446,7 @@
},
{
"BriefDescription": "This metric represents Core fraction of cycles in which CPU was likely limited due to the MITE pipeline (the legacy decode pipeline)",
- "MetricExpr": "(cpu_core@IDQ.MITE_UOPS\\,cmask\\=0x8\\,inv\\=0x1@ / 2 + cpu_core@IDQ.MITE_UOPS@ / (cpu_core@IDQ.DSB_UOPS@ + cpu_core@IDQ.MITE_UOPS@) * (cpu_core@IDQ_BUBBLES.STARVATION_CYCLES@ - cpu_core@IDQ_BUBBLES.FETCH_LATENCY@)) / tma_info_thread_clks",
+ "MetricExpr": "(cpu_core@IDQ.MITE_UOPS\\,cmask\\=0x8\\,inv\\=0x1@ * max(0, 8 - tma_info_pipeline_fetch_mite) / 8 + cpu_core@IDQ.MITE_UOPS@ / (cpu_core@IDQ.DSB_UOPS@ + cpu_core@IDQ.MITE_UOPS@) * (cpu_core@IDQ_BUBBLES.STARVATION_CYCLES@ - cpu_core@IDQ_BUBBLES.FETCH_LATENCY@)) / tma_info_thread_clks",
"MetricGroup": "DSBmiss;FetchBW;TopdownL3;tma_L3_group;tma_fetch_bandwidth_group",
"MetricName": "tma_mite",
"MetricThreshold": "tma_mite > 0.1 & tma_fetch_bandwidth > 0.2",
@@ -2452,13 +2460,13 @@
"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%",
"Unit": "cpu_core"
},
{
"BriefDescription": "This metric represents Core fraction of cycles in which CPU was likely limited due to the Microcode Sequencer (MS) unit - see Microcode_Sequencer node for details.",
- "MetricExpr": "cpu_core@IDQ.MS_CYCLES_ANY@ / tma_info_thread_clks / 1.8",
+ "MetricExpr": "cpu_core@IDQ.MS_CYCLES_ANY@ * (8 - cpu_core@IDQ.MS_UOPS@ / cpu_core@IDQ.MS_CYCLES_ANY@) / tma_info_thread_slots",
"MetricGroup": "MicroSeq;TopdownL3;tma_L3_group;tma_fetch_bandwidth_group",
"MetricName": "tma_ms",
"MetricThreshold": "tma_ms > 0.05 & tma_fetch_bandwidth > 0.2",
@@ -2471,7 +2479,7 @@
"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%",
"Unit": "cpu_core"
},
@@ -2589,7 +2597,7 @@
},
{
"BriefDescription": "This metric represents fraction of cycles the CPU was stalled due to retired misprediction by (indirect) RET instructions.",
- "MetricExpr": "cpu_core@BR_MISP_RETIRED.RET_COST@ * cpu_core@BR_MISP_RETIRED.RET_COST@R / tma_info_thread_clks",
+ "MetricExpr": "cpu_core@BR_MISP_RETIRED.RET@ / cpu_core@BR_MISP_RETIRED.ALL_BRANCHES@ * tma_branch_mispredicts",
"MetricGroup": "BrMispredicts;TopdownL3;tma_L3_group;tma_branch_mispredicts_group",
"MetricName": "tma_ret_mispredicts",
"MetricThreshold": "tma_ret_mispredicts > 0.05 & (tma_branch_mispredicts > 0.1 & tma_bad_speculation > 0.15)",
@@ -2664,7 +2672,7 @@
"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%",
"Unit": "cpu_core"
},
@@ -2679,8 +2687,8 @@
"Unit": "cpu_core"
},
{
- "BriefDescription": "This metric estimates clocks wasted due to loads blocked due to unknown store address (did not do memory disambiguation) or due to unknown store data",
- "MetricExpr": "7 * cpu_core@LD_BLOCKS.STORE_EARLY\\,cmask\\=1@ / tma_info_thread_clks",
+ "BriefDescription": "This metric roughly estimates clocks wasted due to loads blocked due to unknown store address (did not do memory disambiguation) or due to unknown store data",
+ "MetricExpr": "cpu_core@LD_BLOCKS.STORE_EARLY\\,cmask\\=1@ / tma_info_thread_clks",
"MetricGroup": "TopdownL4;tma_L4_group;tma_l1_bound_group",
"MetricName": "tma_store_early_blk",
"MetricThreshold": "tma_store_early_blk > 0.2",
@@ -2768,7 +2776,17 @@
"MetricGroup": "MemoryBW;Offcore;TopdownL4;tma_L4_group;tma_issueSmSt;tma_store_bound_group",
"MetricName": "tma_streaming_stores",
"MetricThreshold": "tma_streaming_stores > 0.2 & (tma_store_bound > 0.2 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
- "PublicDescription": "This metric estimates how often CPU was stalled due to Streaming store memory accesses; Streaming store optimize out a read request required by RFO stores. Even though store accesses do not typically stall out-of-order CPUs; there are few cases where stores can lead to actual stalls. This metric will be flagged should Streaming stores be a bottleneck. Sample with: OCR.STREAMING_WR.ANY_RESPONSE. Related metrics: tma_fb_full",
+ "PublicDescription": "This metric estimates how often CPU was stalled due to Streaming store memory accesses; Streaming store optimize out a read request required by RFO stores. Even though store accesses do not typically stall out-of-order CPUs; there are few cases where stores can lead to actual stalls. This metric will be flagged should Streaming stores be a bottleneck. Sample with: OMR.STREAMING_WR.ANY_RESPONSE. Related metrics: tma_fb_full",
+ "ScaleUnit": "100%",
+ "Unit": "cpu_core"
+ },
+ {
+ "BriefDescription": "This metric roughly estimates fraction of cycles where the core's performance was likely hurt due to un-chacheable memory",
+ "MetricExpr": "cpu_core@MEM_LOAD_MISC_RETIRED.UC@ / (cpu_core@MEM_LOAD_RETIRED.L2_HIT@ + cpu_core@MEM_LOAD_MISC_RETIRED.UC@) * cpu_core@MEMORY_STALLS.L2@ / tma_info_thread_clks",
+ "MetricGroup": "BvMB;MemoryBW;Offcore;TopdownL4;tma_L4_group;tma_issueBW;tma_l3_miss_bound_group",
+ "MetricName": "tma_uc_bound",
+ "MetricThreshold": "tma_uc_bound > 0.2 & (tma_l3_miss_bound > 0.1 & (tma_memory_bound > 0.2 & tma_backend_bound > 0.2))",
+ "PublicDescription": "This metric roughly estimates fraction of cycles where the core's performance was likely hurt due to un-chacheable memory. Related metrics: tma_bottleneck_data_cache_memory_bandwidth, tma_fb_full, tma_info_system_dram_bw_use, tma_mem_bandwidth, tma_sq_full",
"ScaleUnit": "100%",
"Unit": "cpu_core"
},
diff --git a/tools/perf/pmu-events/arch/x86/arrowlake/metricgroups.json b/tools/perf/pmu-events/arch/x86/arrowlake/metricgroups.json
index 855585fe6fae..9acbda612c25 100644
--- a/tools/perf/pmu-events/arch/x86/arrowlake/metricgroups.json
+++ b/tools/perf/pmu-events/arch/x86/arrowlake/metricgroups.json
@@ -93,7 +93,6 @@
"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",
@@ -129,6 +128,7 @@
"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/arrowlake/pipeline.json b/tools/perf/pmu-events/arch/x86/arrowlake/pipeline.json
index bdfee0347cc5..1f1b5a88216a 100644
--- a/tools/perf/pmu-events/arch/x86/arrowlake/pipeline.json
+++ b/tools/perf/pmu-events/arch/x86/arrowlake/pipeline.json
@@ -1238,7 +1238,7 @@
"Counter": "0,1,2,3,4,5,6,7,8,9",
"EventCode": "0xc0",
"EventName": "INST_RETIRED.REP_ITERATION",
- "PublicDescription": "Number of iterations of Repeat (REP) string retired instructions such as MOVS, CMPS, and SCAS. Each has a byte, word, and doubleword version and string instructions can be repeated using a repetition prefix, REP, that allows their architectural execution to be repeated a number of times as specified by the RCX register. Note the number of iterations is implementation-dependent. Available PDIST counters: 0,1",
+ "PublicDescription": "Number of iterations of Repeat (REP) string retired instructions such as MOVS, CMPS, and SCAS. Each has a byte, word, and doubleword version and string instructions can be repeated using a repetition prefix, REP, that allows their architectural execution to be repeated a number of times as specified by the RCX register. Note: Since the number of iterations within a REP instruction can be significantly affected by fast strings, this event may vary run to run and not match the architectural number of iterations (specified by RCX) Available PDIST counters: 0,1",
"SampleAfterValue": "2000003",
"UMask": "0x8",
"Unit": "cpu_core"
diff --git a/tools/perf/pmu-events/arch/x86/arrowlake/uncore-memory.json b/tools/perf/pmu-events/arch/x86/arrowlake/uncore-memory.json
index ceb8839f0767..60bf390198d6 100644
--- a/tools/perf/pmu-events/arch/x86/arrowlake/uncore-memory.json
+++ b/tools/perf/pmu-events/arch/x86/arrowlake/uncore-memory.json
@@ -1,61 +1,61 @@
[
{
- "BriefDescription": "Counts every CAS read command sent from the Memory Controller 0 to DRAM (sum of all channels).",
+ "BriefDescription": "This event is deprecated. [This event is alias to UNC_M_MC0_RDCAS_COUNT_FREERUN]",
"Counter": "0",
+ "Deprecated": "1",
"EventCode": "0xff",
"EventName": "UNC_MC0_RDCAS_COUNT_FREERUN",
"PerPkg": "1",
- "PublicDescription": "Counts every CAS read command sent from the Memory Controller 0 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data.",
"UMask": "0x20",
"Unit": "imc_free_running_0"
},
{
- "BriefDescription": "Counts every read and write request entering the Memory Controller 0.",
+ "BriefDescription": "This event is deprecated. [This event is alias to UNC_M_MC0_TOTAL_REQCOUNT_FREERUN]",
"Counter": "2",
+ "Deprecated": "1",
"EventCode": "0xff",
"EventName": "UNC_MC0_TOTAL_REQCOUNT_FREERUN",
"PerPkg": "1",
- "PublicDescription": "Counts every read and write request entering the Memory Controller 0 (sum of all channels). All requests are counted as one, whether they are 32B or 64B Read/Write or partial/full line writes. Some write requests to the same address may merge to a single write command to DRAM. Therefore, the total request count may be higher than total DRAM BW.",
"UMask": "0x10",
"Unit": "imc_free_running_0"
},
{
- "BriefDescription": "Counts every CAS write command sent from the Memory Controller 0 to DRAM (sum of all channels).",
+ "BriefDescription": "This event is deprecated. [This event is alias to UNC_M_MC0_WRCAS_COUNT_FREERUN]",
"Counter": "1",
+ "Deprecated": "1",
"EventCode": "0xff",
"EventName": "UNC_MC0_WRCAS_COUNT_FREERUN",
"PerPkg": "1",
- "PublicDescription": "Counts every CAS write command sent from the Memory Controller 0 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data.",
"UMask": "0x30",
"Unit": "imc_free_running_0"
},
{
- "BriefDescription": "Counts every CAS read command sent from the Memory Controller 1 to DRAM (sum of all channels).",
+ "BriefDescription": "This event is deprecated. [This event is alias to UNC_M_MC1_RDCAS_COUNT_FREERUN]",
"Counter": "3",
+ "Deprecated": "1",
"EventCode": "0xff",
"EventName": "UNC_MC1_RDCAS_COUNT_FREERUN",
"PerPkg": "1",
- "PublicDescription": "Counts every CAS read command sent from the Memory Controller 1 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data.",
"UMask": "0x20",
"Unit": "imc_free_running_1"
},
{
- "BriefDescription": "Counts every read and write request entering the Memory Controller 1.",
+ "BriefDescription": "This event is deprecated. [This event is alias to UNC_M_MC1_TOTAL_REQCOUNT_FREERUN]",
"Counter": "5",
+ "Deprecated": "1",
"EventCode": "0xff",
"EventName": "UNC_MC1_TOTAL_REQCOUNT_FREERUN",
"PerPkg": "1",
- "PublicDescription": "Counts every read and write request entering the Memory Controller 1 (sum of all channels). All requests are counted as one, whether they are 32B or 64B Read/Write or partial/full line writes. Some write requests to the same address may merge to a single write command to DRAM. Therefore, the total request count may be higher than total DRAM BW.",
"UMask": "0x10",
"Unit": "imc_free_running_1"
},
{
- "BriefDescription": "Counts every CAS write command sent from the Memory Controller 1 to DRAM (sum of all channels).",
+ "BriefDescription": "This event is deprecated. [This event is alias to UNC_M_MC1_WRCAS_COUNT_FREERUN]",
"Counter": "4",
+ "Deprecated": "1",
"EventCode": "0xff",
"EventName": "UNC_MC1_WRCAS_COUNT_FREERUN",
"PerPkg": "1",
- "PublicDescription": "Counts every CAS write command sent from the Memory Controller 1 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data.",
"UMask": "0x30",
"Unit": "imc_free_running_1"
},
@@ -117,6 +117,66 @@
"PerPkg": "1",
"Unit": "iMC"
},
+ {
+ "BriefDescription": "Counts every CAS read command sent from the Memory Controller 0 to DRAM (sum of all channels). [This event is alias to UNC_MC0_RDCAS_COUNT_FREERUN]",
+ "Counter": "0",
+ "EventCode": "0xff",
+ "EventName": "UNC_M_MC0_RDCAS_COUNT_FREERUN",
+ "PerPkg": "1",
+ "PublicDescription": "Counts every CAS read command sent from the Memory Controller 0 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data. [This event is alias to UNC_MC0_RDCAS_COUNT_FREERUN]",
+ "UMask": "0x20",
+ "Unit": "imc_free_running_0"
+ },
+ {
+ "BriefDescription": "Counts every read and write request entering the Memory Controller 0. [This event is alias to UNC_MC0_TOTAL_REQCOUNT_FREERUN]",
+ "Counter": "2",
+ "EventCode": "0xff",
+ "EventName": "UNC_M_MC0_TOTAL_REQCOUNT_FREERUN",
+ "PerPkg": "1",
+ "PublicDescription": "Counts every read and write request entering the Memory Controller 0 (sum of all channels). All requests are counted as one, whether they are 32B or 64B Read/Write or partial/full line writes. Some write requests to the same address may merge to a single write command to DRAM. Therefore, the total request count may be higher than total DRAM BW. [This event is alias to UNC_MC0_TOTAL_REQCOUNT_FREERUN]",
+ "UMask": "0x10",
+ "Unit": "imc_free_running_0"
+ },
+ {
+ "BriefDescription": "Counts every CAS write command sent from the Memory Controller 0 to DRAM (sum of all channels). [This event is alias to UNC_MC0_WRCAS_COUNT_FREERUN]",
+ "Counter": "1",
+ "EventCode": "0xff",
+ "EventName": "UNC_M_MC0_WRCAS_COUNT_FREERUN",
+ "PerPkg": "1",
+ "PublicDescription": "Counts every CAS write command sent from the Memory Controller 0 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data. [This event is alias to UNC_MC0_WRCAS_COUNT_FREERUN]",
+ "UMask": "0x30",
+ "Unit": "imc_free_running_0"
+ },
+ {
+ "BriefDescription": "Counts every CAS read command sent from the Memory Controller 1 to DRAM (sum of all channels). [This event is alias to UNC_MC1_RDCAS_COUNT_FREERUN]",
+ "Counter": "3",
+ "EventCode": "0xff",
+ "EventName": "UNC_M_MC1_RDCAS_COUNT_FREERUN",
+ "PerPkg": "1",
+ "PublicDescription": "Counts every CAS read command sent from the Memory Controller 1 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data. [This event is alias to UNC_MC1_RDCAS_COUNT_FREERUN]",
+ "UMask": "0x20",
+ "Unit": "imc_free_running_1"
+ },
+ {
+ "BriefDescription": "Counts every read and write request entering the Memory Controller 1. [This event is alias to UNC_MC1_TOTAL_REQCOUNT_FREERUN]",
+ "Counter": "5",
+ "EventCode": "0xff",
+ "EventName": "UNC_M_MC1_TOTAL_REQCOUNT_FREERUN",
+ "PerPkg": "1",
+ "PublicDescription": "Counts every read and write request entering the Memory Controller 1 (sum of all channels). All requests are counted as one, whether they are 32B or 64B Read/Write or partial/full line writes. Some write requests to the same address may merge to a single write command to DRAM. Therefore, the total request count may be higher than total DRAM BW. [This event is alias to UNC_MC1_TOTAL_REQCOUNT_FREERUN]",
+ "UMask": "0x10",
+ "Unit": "imc_free_running_1"
+ },
+ {
+ "BriefDescription": "Counts every CAS write command sent from the Memory Controller 1 to DRAM (sum of all channels). [This event is alias to UNC_MC1_WRCAS_COUNT_FREERUN]",
+ "Counter": "4",
+ "EventCode": "0xff",
+ "EventName": "UNC_M_MC1_WRCAS_COUNT_FREERUN",
+ "PerPkg": "1",
+ "PublicDescription": "Counts every CAS write command sent from the Memory Controller 1 to DRAM (sum of all channels). Each CAS commands can be for 32B or 64B of data. [This event is alias to UNC_MC1_WRCAS_COUNT_FREERUN]",
+ "UMask": "0x30",
+ "Unit": "imc_free_running_1"
+ },
{
"BriefDescription": "PRE command sent to DRAM due to page table idle timer expiration",
"Counter": "0,1,2,3,4",
diff --git a/tools/perf/pmu-events/arch/x86/mapfile.csv b/tools/perf/pmu-events/arch/x86/mapfile.csv
index d82f6b3d5b68..7160ff89dac4 100644
--- a/tools/perf/pmu-events/arch/x86/mapfile.csv
+++ b/tools/perf/pmu-events/arch/x86/mapfile.csv
@@ -1,7 +1,7 @@
Family-model,Version,Filename,EventType
GenuineIntel-6-(97|9A|B7|BA|BF),v1.40,alderlake,core
GenuineIntel-6-BE,v1.40,alderlaken,core
-GenuineIntel-6-C[56],v1.19,arrowlake,core
+GenuineIntel-6-C[56],v1.20,arrowlake,core
GenuineIntel-6-(1C|26|27|35|36),v5,bonnell,core
GenuineIntel-6-(3D|47),v30,broadwell,core
GenuineIntel-6-56,v12,broadwellde,core
--
2.55.0.795.g602f6c329a-goog
next prev parent reply other threads:[~2026-07-13 18:18 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2026-07-13 18:17 [PATCH v1 0/12] perf vendor events intel: update Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 01/12] perf vendor events intel: Update alderlake events from 1.39 to 1.40 Chun-Tse Shao
2026-07-13 18:27 ` sashiko-bot
2026-07-13 18:17 ` [PATCH v1 02/12] perf vendor events intel: Update alderlaken " Chun-Tse Shao
2026-07-13 18:17 ` Chun-Tse Shao [this message]
2026-07-13 18:17 ` [PATCH v1 04/12] perf vendor events intel: Update clearwaterforest events from 1.02 to 1.04 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 05/12] perf vendor events intel: Update grandridge events from 1.12 to 1.13 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 06/12] perf vendor events intel: Update graniterapids events from 1.19 to 1.20 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 07/12] perf vendor events intel: Update lunarlake events from 1.25 to 1.26 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 08/12] perf vendor events intel: Update meteorlake events from 1.21 to 1.22 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 09/12] perf vendor events intel: Add novalake v1.00 events Chun-Tse Shao
2026-07-13 18:31 ` sashiko-bot
2026-07-13 18:17 ` [PATCH v1 10/12] perf vendor events intel: Update pantherlake events from 1.06 to 1.07 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 11/12] perf vendor events intel: Update sierraforest events from 1.17 to 1.18 Chun-Tse Shao
2026-07-13 18:17 ` [PATCH v1 12/12] perf vendor events intel: Update emeraldrapids metrics Chun-Tse Shao
2026-07-14 5:21 ` [PATCH v1 0/12] perf vendor events intel: update Mi, Dapeng
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