tools/perf/pmu-events/arch/x86/amdzen5/recommended.json
Source file repositories/reference/linux-study-clean/tools/perf/pmu-events/arch/x86/amdzen5/recommended.json
File Facts
- System
- Linux kernel
- Corpus path
tools/perf/pmu-events/arch/x86/amdzen5/recommended.json- Extension
.json- Size
- 24624 bytes
- Lines
- 458
- Domain
- Support Tooling And Documentation
- Bucket
- tools
- Inferred role
- Support Tooling And Documentation: configuration, schema, or hardware description
- Status
- atlas-only
Why This File Exists
Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
- Repository support layer: documentation, build tooling, samples, user-space helper tools, generated initramfs support, licenses, and validation utilities.
Dependency Surface
- No C-style include directives detected by the generator.
Detected Declarations
- No top-level syscall, struct, function, initcall, or export declaration detected by the generator.
Annotated Snippet
[
{
"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"
Annotation
- Atlas domain: Support Tooling And Documentation / tools.
- Implementation status: atlas-only.
Implementation Notes
- This generated page is the file-by-file coverage layer; curated subsystem chapters should link here when they synthesize a multi-file control flow.
- Core OS pages should be promoted from atlas-only to deep-reviewed when they explain data structures, invariants, locking, lifecycle, and C implementation snippets.
- Driver-family pages are intentionally pattern-oriented unless they are part of the selected PCIe/NVMe representative device path.