Minki/linux
1
0
Fork 1
mirror of https://github.com/torvalds/linux.git synced 2024-11-10 22:21:40 +00:00
Code Issues Packages Projects Releases Wiki Activity

perf vendor events amd: Add Zen 5 metrics

Browse Source 
Add metrics taken from Section 1.2 "Performance Measurement" of the
Performance Monitor Counters for AMD Family 1Ah Model 00h-0Fh Processors
document available at the link below.

The recommended metrics are sourced from Table 1 "Guidance for Common
Performance Statistics with Complex Event Selects".

The pipeline utilization metrics are sourced from Table 2 "Guidance
for Pipeline Utilization Analysis Statistics". These are useful for
finding performance bottlenecks by analyzing activity at different
stages of the pipeline. There are metric groups available for Level 1
and Level 2 analysis.

Reviewed-by: Ian Rogers <irogers@google.com>
Signed-off-by: Sandipan Das <sandipan.das@amd.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ananth Narayan <ananth.narayan@amd.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Ravi Bangoria <ravi.bangoria@amd.com>
Cc: Stephane Eranian <eranian@google.com>
Link: https://bugzilla.kernel.org/attachment.cgi?id=305974
Link: https://lore.kernel.org/r/ee21ff77d89efa99997d3c2ebeeae22ddb6e7e12.1714717230.git.sandipan.das@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Sandipan Das 2024-05-03 12:46:21 +05:30 committed by Arnaldo Carvalho de Melo
parent dc082ae618
commit a9fe4ac7a3
2 changed files with 444 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

99
tools/perf/pmu-events/arch/x86/amdzen5/pipeline.json Normal file
View File

@ -0,0 +1,99 @@
[
{
"MetricName": "total_dispatch_slots",
"BriefDescription": "Total dispatch slots (up to 8 instructions can be dispatched in each cycle).",
"MetricExpr": "8 * ls_not_halted_cyc",
"ScaleUnit": "1slots"
},
{
"MetricName": "frontend_bound",
"BriefDescription": "Percentage of dispatch slots that remained unused because the frontend did not supply enough instructions/ops.",
"MetricExpr": "d_ratio(de_no_dispatch_per_slot.no_ops_from_frontend, total_dispatch_slots)",
"MetricGroup": "PipelineL1",
"ScaleUnit": "100%slots"
},
{
"MetricName": "bad_speculation",
"BriefDescription": "Percentage of dispatched ops that did not retire.",
"MetricExpr": "d_ratio(de_src_op_disp.all - ex_ret_ops, total_dispatch_slots)",
"MetricGroup": "PipelineL1",
"ScaleUnit": "100%ops"
},
{
"MetricName": "backend_bound",
"BriefDescription": "Percentage of dispatch slots that remained unused because of backend stalls.",
"MetricExpr": "d_ratio(de_no_dispatch_per_slot.backend_stalls, total_dispatch_slots)",
"MetricGroup": "PipelineL1",
"ScaleUnit": "100%slots"
},
{
"MetricName": "smt_contention",
"BriefDescription": "Percentage of dispatch slots that remained unused because the other thread was selected.",
"MetricExpr": "d_ratio(de_no_dispatch_per_slot.smt_contention, total_dispatch_slots)",
"MetricGroup": "PipelineL1",
"ScaleUnit": "100%slots"
},
{
"MetricName": "retiring",
"BriefDescription": "Percentage of dispatch slots used by ops that retired.",
"MetricExpr": "d_ratio(ex_ret_ops, total_dispatch_slots)",
"MetricGroup": "PipelineL1",
"ScaleUnit": "100%slots"
},
{
"MetricName": "frontend_bound_by_latency",
"BriefDescription": "Percentage of dispatch slots that remained unused because of a latency bottleneck in the frontend (such as instruction cache or TLB misses).",
"MetricExpr": "d_ratio((8 * cpu@de_no_dispatch_per_slot.no_ops_from_frontend\\,cmask\\=0x8@), total_dispatch_slots)",
"MetricGroup": "PipelineL2;frontend_bound_group",
"ScaleUnit": "100%slots"
},
{
"MetricName": "frontend_bound_by_bandwidth",
"BriefDescription": "Percentage of dispatch slots that remained unused because of a bandwidth bottleneck in the frontend (such as decode or op cache fetch bandwidth).",
"MetricExpr": "d_ratio(de_no_dispatch_per_slot.no_ops_from_frontend - (8 * cpu@de_no_dispatch_per_slot.no_ops_from_frontend\\,cmask\\=0x8@), total_dispatch_slots)",
"MetricGroup": "PipelineL2;frontend_bound_group",
"ScaleUnit": "100%slots"
},
{
"MetricName": "bad_speculation_from_mispredicts",
"BriefDescription": "Percentage of dispatched ops that were flushed due to branch mispredicts.",
"MetricExpr": "d_ratio(bad_speculation * ex_ret_brn_misp, ex_ret_brn_misp + bp_redirects.resync)",
"MetricGroup": "PipelineL2;bad_speculation_group",
"ScaleUnit": "100%ops"
},
{
"MetricName": "bad_speculation_from_pipeline_restarts",
"BriefDescription": "Percentage of dispatched ops that were flushed due to pipeline restarts (resyncs).",
"MetricExpr": "d_ratio(bad_speculation * bp_redirects.resync, ex_ret_brn_misp + bp_redirects.resync)",
"MetricGroup": "PipelineL2;bad_speculation_group",
"ScaleUnit": "100%ops"
},
{
"MetricName": "backend_bound_by_memory",
"BriefDescription": "Percentage of dispatch slots that remained unused because of stalls due to the memory subsystem.",
"MetricExpr": "backend_bound * d_ratio(ex_no_retire.load_not_complete, ex_no_retire.not_complete)",
"MetricGroup": "PipelineL2;backend_bound_group",
"ScaleUnit": "100%slots"
},
{
"MetricName": "backend_bound_by_cpu",
"BriefDescription": "Percentage of dispatch slots that remained unused because of stalls not related to the memory subsystem.",
"MetricExpr": "backend_bound * (1 - d_ratio(ex_no_retire.load_not_complete, ex_no_retire.not_complete))",
"MetricGroup": "PipelineL2;backend_bound_group",
"ScaleUnit": "100%slots"
},
{
"MetricName": "retiring_from_fastpath",
"BriefDescription": "Percentage of dispatch slots used by fastpath ops that retired.",
"MetricExpr": "retiring * (1 - d_ratio(ex_ret_ucode_ops, ex_ret_ops))",
"MetricGroup": "PipelineL2;retiring_group",
"ScaleUnit": "100%slots"
},
{
"MetricName": "retiring_from_microcode",
"BriefDescription": "Percentage of dispatch slots used by microcode ops that retired.",
"MetricExpr": "retiring * d_ratio(ex_ret_ucode_ops, ex_ret_ops)",
"MetricGroup": "PipelineL2;retiring_group",
"ScaleUnit": "100%slots"
}
]

345
tools/perf/pmu-events/arch/x86/amdzen5/recommended.json Normal file
View File

@ -0,0 +1,345 @@
[
{
"MetricName": "branch_misprediction_rate",
"BriefDescription": "Execution-time branch misprediction rate (non-speculative).",
"MetricExpr": "d_ratio(ex_ret_brn_misp, ex_ret_brn)",
"MetricGroup": "branch_prediction",
"ScaleUnit": "1per_branch"
},
{
"MetricName": "all_data_cache_accesses_pti",
"BriefDescription": "All data cache accesses per thousand instructions.",
"MetricExpr": "ls_dispatch.all / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "all_l2_cache_accesses_pti",
"BriefDescription": "All L2 cache accesses per thousand instructions.",
"MetricExpr": "(l2_request_g1.all_no_prefetch + l2_pf_hit_l2.l2_hwpf + l2_pf_miss_l2_hit_l3.l2_hwpf + l2_pf_miss_l2_l3.l2_hwpf) / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_accesses_from_l1_ic_misses_pti",
"BriefDescription": "L2 cache accesses from L1 instruction cache misses (including prefetch) per thousand instructions.",
"MetricExpr": "l2_request_g1.cacheable_ic_read / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_accesses_from_l1_dc_misses_pti",
"BriefDescription": "L2 cache accesses from L1 data cache misses (including prefetch) per thousand instructions.",
"MetricExpr": "l2_request_g1.all_dc / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_accesses_from_l2_hwpf_pti",
"BriefDescription": "L2 cache accesses from L2 cache hardware prefetcher per thousand instructions.",
"MetricExpr": "(l2_pf_hit_l2.l1_dc_l2_hwpf + l2_pf_miss_l2_hit_l3.l1_dc_l2_hwpf + l2_pf_miss_l2_l3.l1_dc_l2_hwpf) / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "all_l2_cache_misses_pti",
"BriefDescription": "All L2 cache misses per thousand instructions.",
"MetricExpr": "(l2_cache_req_stat.ic_dc_miss_in_l2 + l2_pf_miss_l2_hit_l3.l2_hwpf + l2_pf_miss_l2_l3.l2_hwpf) / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_misses_from_l1_ic_miss_pti",
"BriefDescription": "L2 cache misses from L1 instruction cache misses per thousand instructions.",
"MetricExpr": "l2_cache_req_stat.ic_fill_miss / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_misses_from_l1_dc_miss_pti",
"BriefDescription": "L2 cache misses from L1 data cache misses per thousand instructions.",
"MetricExpr": "l2_cache_req_stat.ls_rd_blk_c / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_misses_from_l2_hwpf_pti",
"BriefDescription": "L2 cache misses from L2 cache hardware prefetcher per thousand instructions.",
"MetricExpr": "(l2_pf_miss_l2_hit_l3.l1_dc_l2_hwpf + l2_pf_miss_l2_l3.l1_dc_l2_hwpf) / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "all_l2_cache_hits_pti",
"BriefDescription": "All L2 cache hits per thousand instructions.",
"MetricExpr": "(l2_cache_req_stat.ic_dc_hit_in_l2 + l2_pf_hit_l2.l2_hwpf) / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_hits_from_l1_ic_miss_pti",
"BriefDescription": "L2 cache hits from L1 instruction cache misses per thousand instructions.",
"MetricExpr": "l2_cache_req_stat.ic_hit_in_l2 / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_hits_from_l1_dc_miss_pti",
"BriefDescription": "L2 cache hits from L1 data cache misses per thousand instructions.",
"MetricExpr": "l2_cache_req_stat.dc_hit_in_l2 / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_cache_hits_from_l2_hwpf_pti",
"BriefDescription": "L2 cache hits from L2 cache hardware prefetcher per thousand instructions.",
"MetricExpr": "l2_pf_hit_l2.l1_dc_l2_hwpf / instructions",
"MetricGroup": "l2_cache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l3_cache_accesses",
"BriefDescription": "L3 cache accesses.",
"MetricExpr": "l3_lookup_state.all_coherent_accesses_to_l3",
"MetricGroup": "l3_cache"
},
{
"MetricName": "l3_misses",
"BriefDescription": "L3 misses (including cacheline state change requests).",
"MetricExpr": "l3_lookup_state.l3_miss",
"MetricGroup": "l3_cache"
},
{
"MetricName": "l3_read_miss_latency",
"BriefDescription": "Average L3 read miss latency (in core clocks).",
"MetricExpr": "(l3_xi_sampled_latency.all * 10) / l3_xi_sampled_latency_requests.all",
"MetricGroup": "l3_cache",
"ScaleUnit": "1ns"
},
{
"MetricName": "l3_read_miss_latency_for_local_dram",
"BriefDescription": "Average L3 read miss latency (in core clocks) for local DRAM.",
"MetricExpr": "(l3_xi_sampled_latency.dram_near * 10) / l3_xi_sampled_latency_requests.dram_near",
"MetricGroup": "l3_cache",
"ScaleUnit": "1ns"
},
{
"MetricName": "l3_read_miss_latency_for_remote_dram",
"BriefDescription": "Average L3 read miss latency (in core clocks) for remote DRAM.",
"MetricExpr": "(l3_xi_sampled_latency.dram_far * 10) / l3_xi_sampled_latency_requests.dram_far",
"MetricGroup": "l3_cache",
"ScaleUnit": "1ns"
},
{
"MetricName": "op_cache_fetch_miss_ratio",
"BriefDescription": "Op cache miss ratio for all fetches.",
"MetricExpr": "d_ratio(op_cache_hit_miss.op_cache_miss, op_cache_hit_miss.all_op_cache_accesses)",
"ScaleUnit": "100%"
},
{
"MetricName": "ic_fetch_miss_ratio",
"BriefDescription": "Instruction cache miss ratio for all fetches. An instruction cache miss will not be counted by this metric if it is an OC hit.",
"MetricExpr": "d_ratio(ic_tag_hit_miss.instruction_cache_miss, ic_tag_hit_miss.all_instruction_cache_accesses)",
"ScaleUnit": "100%"
},
{
"MetricName": "l1_data_cache_fills_from_memory_pti",
"BriefDescription": "L1 data cache fills from DRAM or MMIO in any NUMA node per thousand instructions.",
"MetricExpr": "ls_any_fills_from_sys.dram_io_all / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_data_cache_fills_from_remote_node_pti",
"BriefDescription": "L1 data cache fills from a different NUMA node per thousand instructions.",
"MetricExpr": "ls_any_fills_from_sys.far_all / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_data_cache_fills_from_same_ccx_pti",
"BriefDescription": "L1 data cache fills from within the same CCX per thousand instructions.",
"MetricExpr": "ls_any_fills_from_sys.local_all / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_data_cache_fills_from_different_ccx_pti",
"BriefDescription": "L1 data cache fills from another CCX cache in any NUMA node per thousand instructions.",
"MetricExpr": "ls_any_fills_from_sys.remote_cache / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "all_l1_data_cache_fills_pti",
"BriefDescription": "All L1 data cache fills per thousand instructions.",
"MetricExpr": "ls_any_fills_from_sys.all / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_demand_data_cache_fills_from_local_l2_pti",
"BriefDescription": "L1 demand data cache fills from local L2 cache per thousand instructions.",
"MetricExpr": "ls_dmnd_fills_from_sys.local_l2 / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_demand_data_cache_fills_from_same_ccx_pti",
"BriefDescription": "L1 demand data cache fills from within the same CCX per thousand instructions.",
"MetricExpr": "ls_dmnd_fills_from_sys.local_ccx / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_demand_data_cache_fills_from_near_cache_pti",
"BriefDescription": "L1 demand data cache fills from another CCX cache in the same NUMA node per thousand instructions.",
"MetricExpr": "ls_dmnd_fills_from_sys.near_cache / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_demand_data_cache_fills_from_near_memory_pti",
"BriefDescription": "L1 demand data cache fills from DRAM or MMIO in the same NUMA node per thousand instructions.",
"MetricExpr": "ls_dmnd_fills_from_sys.dram_io_near / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_demand_data_cache_fills_from_far_cache_pti",
"BriefDescription": "L1 demand data cache fills from another CCX cache in a different NUMA node per thousand instructions.",
"MetricExpr": "ls_dmnd_fills_from_sys.far_cache / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_demand_data_cache_fills_from_far_memory_pti",
"BriefDescription": "L1 demand data cache fills from DRAM or MMIO in a different NUMA node per thousand instructions.",
"MetricExpr": "ls_dmnd_fills_from_sys.dram_io_far / instructions",
"MetricGroup": "l1_dcache",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_itlb_misses_pti",
"BriefDescription": "L1 instruction TLB misses per thousand instructions.",
"MetricExpr": "(bp_l1_tlb_miss_l2_tlb_hit + bp_l1_tlb_miss_l2_tlb_miss.all) / instructions",
"MetricGroup": "tlb",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_itlb_misses_pti",
"BriefDescription": "L2 instruction TLB misses and instruction page walks per thousand instructions.",
"MetricExpr": "bp_l1_tlb_miss_l2_tlb_miss.all / instructions",
"MetricGroup": "tlb",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l1_dtlb_misses_pti",
"BriefDescription": "L1 data TLB misses per thousand instructions.",
"MetricExpr": "ls_l1_d_tlb_miss.all / instructions",
"MetricGroup": "tlb",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "l2_dtlb_misses_pti",
"BriefDescription": "L2 data TLB misses and data page walks per thousand instructions.",
"MetricExpr": "ls_l1_d_tlb_miss.all_l2_miss / instructions",
"MetricGroup": "tlb",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "all_tlbs_flushed_pti",
"BriefDescription": "All TLBs flushed per thousand instructions.",
"MetricExpr": "ls_tlb_flush.all / instructions",
"MetricGroup": "tlb",
"ScaleUnit": "1e3per_1k_instr"
},
{
"MetricName": "macro_ops_dispatched",
"BriefDescription": "Macro-ops dispatched.",
"MetricExpr": "de_src_op_disp.all",
"MetricGroup": "decoder"
},
{
"MetricName": "sse_avx_stalls",
"BriefDescription": "Mixed SSE/AVX stalls.",
"MetricExpr": "fp_disp_faults.sse_avx_all"
},
{
"MetricName": "macro_ops_retired",
"BriefDescription": "Macro-ops retired.",
"MetricExpr": "ex_ret_ops"
},
{
"MetricName": "umc_data_bus_utilization",
"BriefDescription": "Memory controller data bus utilization.",
"MetricExpr": "d_ratio(umc_data_slot_clks.all / 2, umc_mem_clk)",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "100%"
},
{
"MetricName": "umc_cas_cmd_rate",
"BriefDescription": "Memory controller CAS command rate.",
"MetricExpr": "d_ratio(umc_cas_cmd.all * 1000, umc_mem_clk)",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "1per_memclk"
},
{
"MetricName": "umc_cas_cmd_read_ratio",
"BriefDescription": "Ratio of memory controller CAS commands for reads.",
"MetricExpr": "d_ratio(umc_cas_cmd.rd, umc_cas_cmd.all)",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "100%"
},
{
"MetricName": "umc_cas_cmd_write_ratio",
"BriefDescription": "Ratio of memory controller CAS commands for writes.",
"MetricExpr": "d_ratio(umc_cas_cmd.wr, umc_cas_cmd.all)",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "100%"
},
{
"MetricName": "umc_mem_read_bandwidth",
"BriefDescription": "Estimated memory read bandwidth.",
"MetricExpr": "(umc_cas_cmd.rd * 64) / 1e6 / duration_time",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "1MB/s"
},
{
"MetricName": "umc_mem_write_bandwidth",
"BriefDescription": "Estimated memory write bandwidth.",
"MetricExpr": "(umc_cas_cmd.wr * 64) / 1e6 / duration_time",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "1MB/s"
},
{
"MetricName": "umc_mem_bandwidth",
"BriefDescription": "Estimated combined memory bandwidth.",
"MetricExpr": "(umc_cas_cmd.all * 64) / 1e6 / duration_time",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "1MB/s"
},
{
"MetricName": "umc_activate_cmd_rate",
"BriefDescription": "Memory controller ACTIVATE command rate.",
"MetricExpr": "d_ratio(umc_act_cmd.all * 1000, umc_mem_clk)",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "1per_memclk"
},
{
"MetricName": "umc_precharge_cmd_rate",
"BriefDescription": "Memory controller PRECHARGE command rate.",
"MetricExpr": "d_ratio(umc_pchg_cmd.all * 1000, umc_mem_clk)",
"MetricGroup": "memory_controller",
"PerPkg": "1",
"ScaleUnit": "1per_memclk"
}
]