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Merged
1perrytaylor merged 2 commits into from
Feb 23, 2026
Merged

GNR SNC metrics #361

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98b2602
GNR SNC metrics
1perrytaylor Feb 23, 2026
04cf5e1
correcting lost fwd alias
1perrytaylor Feb 23, 2026
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112 changes: 110 additions & 2 deletions GNR/metrics/graniterapids_metrics.json
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Expand Up @@ -2,8 +2,8 @@
"Header": {
"Copyright": "Copyright (c) 2001 - 2025 Intel Corporation. All rights reserved.",
"Info": "Performance Monitoring Metrics for Intel(R) Xeon(R) 6 Processor with P-cores0",
"DatePublished": "06/17/2025",
"Version": "1.1",
"DatePublished": "02/23/2026",
"Version": "1.2",
"Legend": "",
"TmaVersion": "5.1",
"TmaFlavor": "Full"
Expand Down Expand Up @@ -999,6 +999,92 @@
"ResolutionLevels": "CHA, SOCKET, SYSTEM",
"MetricGroup": ""
},
{
"MetricName": "numa_percent_all_reads_to_local_cluster_memory",
"LegacyName": "metric_NUMA % all reads to local cluster memory",
"Level": 1,
"BriefDescription": "All reads to the local sub-numa cluster memory as a percentage of total memory read accesses. Includes demand and prefetch requests for data reads, code reads, read for ownerships (RFO), does not include LLC prefetches. ",
"UnitOfMeasure": "percent",
"Events": [
{
"Name": "OCR.READS_TO_CORE.L3_MISS_LOCAL",
"Alias": "a"
},
{
"Name": "L2_LINES_IN.ALL",
"Alias": "c"
}
],
"Constants": [],
"Formula": "100 * (a / c)",
"Category": "NUMA",
"ResolutionLevels": "THREAD, CORE, SOCKET, SYSTEM",
"MetricGroup": ""
},
{
"MetricName": "numa_percent_all_reads_to_remote_cluster_cache",
"LegacyName": "metric_NUMA % all reads to remote cluster cache",
"Level": 1,
"BriefDescription": "All reads to a remote sub-numa cluster cache as a percentage of total memory read accesses. Includes demand and prefetch requests for data reads, code reads, read for ownerships (RFO), does not include LLC prefetches. ",
"UnitOfMeasure": "percent",
"Events": [
{
"Name": "OCR.READS_TO_CORE.SNC_CACHE.HITM",
"Alias": "a"
},
{
"Name": "OCR.READS_TO_CORE.SNC_CACHE.HIT_WITH_FWD",
"Alias": "b"
},
{
"Name": "L2_LINES_IN.ALL",
"Alias": "c"
}
],
"Constants": [],
"Formula": "100 * ((b + a) / c)",
"Category": "NUMA",
"ResolutionLevels": "THREAD, CORE, SOCKET, SYSTEM",
"MetricGroup": ""
},
{
"MetricName": "numa_percent_all_reads_to_local_cluster_cache",
"LegacyName": "metric_NUMA % all reads to local cluster cache",
"Level": 1,
"BriefDescription": "All reads to the local sub-numa cluster cache as a percentage of total memory read accesses. Includes demand and prefetch requests for data reads, code reads, read for ownerships (RFO), does not include LLC prefetches. ",
"UnitOfMeasure": "percent",
"Events": [
{
"Name": "OCR.READS_TO_CORE.SNC_CACHE.HITM",
"Alias": "a"
},
{
"Name": "OCR.READS_TO_CORE.SNC_CACHE.HIT_WITH_FWD",
"Alias": "b"
},
{
"Name": "OCR.READS_TO_CORE.REMOTE_CACHE.SNOOP_FWD",
"Alias": "d"
},
{
"Name": "OCR.READS_TO_CORE.REMOTE_MEMORY",
"Alias": "e"
},
{
"Name": "OCR.READS_TO_CORE.L3_MISS_LOCAL",
"Alias": "f"
},
{
"Name": "L2_LINES_IN.ALL",
"Alias": "g"
}
],
"Constants": [],
"Formula": "100 * (g - (a + b + d + e + f) ) / g",
"Category": "NUMA",
"ResolutionLevels": "THREAD, CORE, SOCKET, SYSTEM",
"MetricGroup": ""
},
{
"MetricName": "io_msi",
"LegacyName": "metric_IO MSI per sec",
Expand All @@ -1017,6 +1103,28 @@
"ResolutionLevels": "IIO, SOCKET, SYSTEM",
"MetricGroup": ""
},
{
"MetricName": "io_lost_fwd",
"LegacyName": "metric_IO lost fwd per sec",
"Level": 1,
"BriefDescription": "The number of times per second that ownership of a cacheline was stolen from the integrated IO controller before it was able to write back the modified line.",
"UnitOfMeasure": "per second",
"Events": [
{
"Name": "UNC_I_MISC1.SEC_RCVD_INVLD",
"Alias": "b"
},
{
"Name": "UNC_I_MISC1.LOST_FWD",
"Alias": "a"
}
],
"Constants": [],
"Formula": "(a + b) / DURATIONTIMEINSECONDS",
"Category": "IO",
"ResolutionLevels": "IRP, SOCKET, SYSTEM",
"MetricGroup": ""
},
{
"MetricName": "llc_miss_local_memory_bandwidth_read",
"LegacyName": "metric_llc_miss_local_memory_bandwidth_read_MB/s",
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31 changes: 31 additions & 0 deletions GNR/metrics/perf/graniterapids_metrics_perf.json
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Expand Up @@ -282,13 +282,44 @@
"MetricName": "io_bandwidth_write_remote",
"ScaleUnit": "1MB/s"
},
{
"BriefDescription": "All reads to the local sub-numa cluster memory as a percentage of total memory read accesses",
"MetricExpr": "( OCR.READS_TO_CORE.L3_MISS_LOCAL / L2_LINES_IN.ALL )",
"MetricGroup": "",
"MetricName": "numa_percent_all_reads_to_local_cluster_memory",
"ScaleUnit": "100%",
"PublicDescription": "All reads to the local sub-numa cluster memory as a percentage of total memory read accesses. Includes demand and prefetch requests for data reads, code reads, read for ownerships (RFO), does not include LLC prefetches."
},
{
"BriefDescription": "All reads to a remote sub-numa cluster cache as a percentage of total memory read accesses",
"MetricExpr": "( ( OCR.READS_TO_CORE.SNC_CACHE.HIT_WITH_FWD + OCR.READS_TO_CORE.SNC_CACHE.HITM ) / L2_LINES_IN.ALL )",
"MetricGroup": "",
"MetricName": "numa_percent_all_reads_to_remote_cluster_cache",
"ScaleUnit": "100%",
"PublicDescription": "All reads to a remote sub-numa cluster cache as a percentage of total memory read accesses. Includes demand and prefetch requests for data reads, code reads, read for ownerships (RFO), does not include LLC prefetches."
},
{
"BriefDescription": "All reads to the local sub-numa cluster cache as a percentage of total memory read accesses",
"MetricExpr": "( L2_LINES_IN.ALL - ( OCR.READS_TO_CORE.SNC_CACHE.HITM + OCR.READS_TO_CORE.SNC_CACHE.HIT_WITH_FWD + OCR.READS_TO_CORE.REMOTE_CACHE.SNOOP_FWD + OCR.READS_TO_CORE.REMOTE_MEMORY + OCR.READS_TO_CORE.L3_MISS_LOCAL ) ) / L2_LINES_IN.ALL",
"MetricGroup": "",
"MetricName": "numa_percent_all_reads_to_local_cluster_cache",
"ScaleUnit": "100%",
"PublicDescription": "All reads to the local sub-numa cluster cache as a percentage of total memory read accesses. Includes demand and prefetch requests for data reads, code reads, read for ownerships (RFO), does not include LLC prefetches."
},
{
"BriefDescription": "Message Signaled Interrupts (MSI) per second sent by the integrated I/O traffic controller (IIO) to System Configuration Controller (Ubox)",
"MetricExpr": "( UNC_IIO_NUM_REQ_OF_CPU_BY_TGT.UBOX_POSTED ) / duration_time",
"MetricGroup": "",
"MetricName": "io_msi",
"ScaleUnit": "1per_sec"
},
{
"BriefDescription": "The number of times per second that ownership of a cacheline was stolen from the integrated IO controller before it was able to write back the modified line",
"MetricExpr": "( UNC_I_MISC1.LOST_FWD + UNC_I_MISC1.SEC_RCVD_INVLD ) / duration_time",
"MetricGroup": "",
"MetricName": "io_lost_fwd",
"ScaleUnit": "1per_sec"
},
{
"BriefDescription": "Bandwidth (MB/sec) of read requests that miss the last level cache (LLC) and go to local memory",
"MetricExpr": "( UNC_CHA_REQUESTS.READS_LOCAL * 64 / 1000000 ) / duration_time",
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4 changes: 2 additions & 2 deletions mapfile.csv
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Original file line number Diff line number Diff line change
Expand Up @@ -203,12 +203,12 @@ GenuineIntel-6-B5,V1.1,/MTL/metrics/meteorlake_metrics_redwoodcove_core.json,met
GenuineIntel-6-AD,V1.17,/GNR/events/graniterapids_core.json,core,,,
GenuineIntel-6-AD,V1.17,/GNR/events/graniterapids_uncore.json,uncore,,,
GenuineIntel-6-AD,V1.17,/GNR/events/graniterapids_uncore_experimental.json,uncore experimental,,,
GenuineIntel-6-AD,V1.1,/GNR/metrics/graniterapids_metrics.json,metrics,,,
GenuineIntel-6-AD,V1.2,/GNR/metrics/graniterapids_metrics.json,metrics,,,
GenuineIntel-6-AD,V1.08,/GNR/metrics/graniterapids_retire_latency.json,retire latency,,,
GenuineIntel-6-AE,V1.17,/GNR/events/graniterapids_core.json,core,,,
GenuineIntel-6-AE,V1.17,/GNR/events/graniterapids_uncore.json,uncore,,,
GenuineIntel-6-AE,V1.17,/GNR/events/graniterapids_uncore_experimental.json,uncore experimental,,,
GenuineIntel-6-AE,V1.1,/GNR/metrics/graniterapids_metrics.json,metrics,,,
GenuineIntel-6-AE,V1.2,/GNR/metrics/graniterapids_metrics.json,metrics,,,
GenuineIntel-6-AE,V1.08,/GNR/metrics/graniterapids_retire_latency.json,retire latency,,,
GenuineIntel-6-AF,V1.14,/SRF/events/sierraforest_core.json,core,,,
GenuineIntel-6-AF,V1.14,/SRF/events/sierraforest_uncore.json,uncore,,,
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