From de18394f8f69e4cb86e1561f3dd86e9f724b8f25 Mon Sep 17 00:00:00 2001 From: Sandipan Das Date: Thu, 8 Jan 2026 13:22:15 +0530 Subject: [PATCH] perf vendor events amd: Add Zen 6 uncore events Add uncore events taken from Section 1.6 "L3 Cache Performance Monitor Counters" and Section 2.2 "UMC Performance Monitor Events" of the Performance Monitor Counters for AMD Family 1Ah Model 50h-57h Processors document available at the link below. This constitutes events which capture L3 cache and UMC command activity. Reviewed-by: Ian Rogers Signed-off-by: Sandipan Das Cc: Adrian Hunter Cc: Alexander Shishkin Cc: Ananth Narayan Cc: Caleb Biggers Cc: Ingo Molnar Cc: James Clark Cc: Jiri Olsa Cc: Kan Liang Cc: Mark Rutland Cc: Namhyung Kim Cc: Peter Zijlstra Cc: Ravi Bangoria Cc: Stephane Eranian Link: https://bugzilla.kernel.org/attachment.cgi?id=309149 Signed-off-by: Arnaldo Carvalho de Melo --- .../pmu-events/arch/x86/amdzen6/l3-cache.json | 177 ++++++++++++++++++ .../arch/x86/amdzen6/memory-controller.json | 101 ++++++++++ 2 files changed, 278 insertions(+) create mode 100644 tools/perf/pmu-events/arch/x86/amdzen6/l3-cache.json create mode 100644 tools/perf/pmu-events/arch/x86/amdzen6/memory-controller.json diff --git a/tools/perf/pmu-events/arch/x86/amdzen6/l3-cache.json b/tools/perf/pmu-events/arch/x86/amdzen6/l3-cache.json new file mode 100644 index 000000000000..9b9804317da7 --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdzen6/l3-cache.json @@ -0,0 +1,177 @@ +[ + { + "EventName": "l3_lookup_state.l3_miss", + "EventCode": "0x04", + "BriefDescription": "L3 cache misses.", + "UMask": "0x01", + "Unit": "L3PMC" + }, + { + "EventName": "l3_lookup_state.l3_hit", + "EventCode": "0x04", + "BriefDescription": "L3 cache hits.", + "UMask": "0xfe", + "Unit": "L3PMC" + }, + { + "EventName": "l3_lookup_state.all_coherent_accesses_to_l3", + "EventCode": "0x04", + "BriefDescription": "L3 cache requests for all coherent accesses.", + "UMask": "0xff", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.dram_near", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from DRAM in the same NUMA node.", + "UMask": "0x01", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.dram_far", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from DRAM in a different NUMA node.", + "UMask": "0x02", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.near_cache", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from cache of another CCX in the same NUMA node.", + "UMask": "0x04", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.far_cache", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from cache of another CCX in a different NUMA node.", + "UMask": "0x08", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.ext_near", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from extension memory (CXL) in the same NUMA node.", + "UMask": "0x10", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.ext_far", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from extension memory (CXL) in a different NUMA node.", + "UMask": "0x20", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency.all", + "EventCode": "0xac", + "BriefDescription": "Average sampled latency for L3 requests where data is returned from all types of sources.", + "UMask": "0x3f", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.dram_near", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from DRAM in the same NUMA node.", + "UMask": "0x01", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.dram_far", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from DRAM in a different NUMA node.", + "UMask": "0x02", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.near_cache", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from cache of another CCX in the same NUMA node.", + "UMask": "0x04", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.far_cache", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from cache of another CCX in a different NUMA node.", + "UMask": "0x08", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.ext_near", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from extension memory (CXL) in the same NUMA node.", + "UMask": "0x10", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.ext_far", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from extension memory (CXL) in a different NUMA node.", + "UMask": "0x20", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + }, + { + "EventName": "l3_xi_sampled_latency_requests.all", + "EventCode": "0xad", + "BriefDescription": "Average sampled L3 requests where data is returned from all types of sources.", + "UMask": "0x3f", + "EnAllCores": "0x1", + "EnAllSlices": "0x1", + "SliceId": "0x3", + "ThreadMask": "0x3", + "Unit": "L3PMC" + } +] diff --git a/tools/perf/pmu-events/arch/x86/amdzen6/memory-controller.json b/tools/perf/pmu-events/arch/x86/amdzen6/memory-controller.json new file mode 100644 index 000000000000..649a60b09e1b --- /dev/null +++ b/tools/perf/pmu-events/arch/x86/amdzen6/memory-controller.json @@ -0,0 +1,101 @@ +[ + { + "EventName": "umc_mem_clk", + "PublicDescription": "Memory clock (MEMCLK) cycles.", + "EventCode": "0x00", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_act_cmd.all", + "PublicDescription": "ACTIVATE commands sent.", + "EventCode": "0x05", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_act_cmd.rd", + "PublicDescription": "ACTIVATE commands sent for reads.", + "EventCode": "0x05", + "RdWrMask": "0x1", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_act_cmd.wr", + "PublicDescription": "ACTIVATE commands sent for writes.", + "EventCode": "0x05", + "RdWrMask": "0x2", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_pchg_cmd.all", + "PublicDescription": "PRECHARGE commands sent.", + "EventCode": "0x06", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_pchg_cmd.rd", + "PublicDescription": "PRECHARGE commands sent for reads.", + "EventCode": "0x06", + "RdWrMask": "0x1", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_pchg_cmd.wr", + "PublicDescription": "PRECHARGE commands sent for writes.", + "EventCode": "0x06", + "RdWrMask": "0x2", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_cas_cmd.all", + "PublicDescription": "CAS commands sent.", + "EventCode": "0x0a", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_cas_cmd.rd", + "PublicDescription": "CAS commands sent for reads.", + "EventCode": "0x0a", + "RdWrMask": "0x1", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_cas_cmd.wr", + "PublicDescription": "CAS commands sent for writes.", + "EventCode": "0x0a", + "RdWrMask": "0x2", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_data_slot_clks.all", + "PublicDescription": "Clock cycles where the data bus is utilized.", + "EventCode": "0x14", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_data_slot_clks.rd", + "PublicDescription": "Clock cycles where the data bus is utilized for reads.", + "EventCode": "0x14", + "RdWrMask": "0x1", + "PerPkg": "1", + "Unit": "UMCPMC" + }, + { + "EventName": "umc_data_slot_clks.wr", + "PublicDescription": "Clock cycles where the data bus is utilized for writes.", + "EventCode": "0x14", + "RdWrMask": "0x2", + "PerPkg": "1", + "Unit": "UMCPMC" + } +] -- 2.47.3