{
  "approved_consumer_manifest_sha256": {},
  "batch": "B38",
  "benchmark_contract": {
    "control_drift_limit_percent": 3.0,
    "hot_path_median_regression_limit_percent": 3.0,
    "minimum_timed_iterations_per_sample": 100000,
    "outlier_deletion": false,
    "pair_order": "five AB and five BA pairs",
    "raw_sample_retention": true,
    "required_runs": 10,
    "unstable_control_status": "INFRA_BLOCKED",
    "warmup_runs": 3
  },
  "build_contract": {
    "configurations": [
      "WITH_ZSTDIO=0",
      "WITH_ZSTDIO=1"
    ],
    "disabled_probe_mode": true,
    "new_undefined_symbols_allowed": 0
  },
  "candidate": "P15-031",
  "consumer_contract": {
    "allowed_transports": [
      "dtrace-sdt",
      "ktr"
    ],
    "manifest_prefix": "repo-pre-15/diagnostics/",
    "nonqualifying_examples": [
      "hypothetical maintainer",
      "Linux tracepoints",
      "generic observability value",
      "proposed B38 test",
      "gate prototype",
      "installed dtrace without a project consumer"
    ],
    "prohibited_implementation_prefixes": [
      "planning/",
      "repo-pre-15/current/",
      "repo-pre-15/docs/",
      "repo-pre-15/src/",
      "repo-pre-15/tests/"
    ],
    "required_access_mode": "privileged-diagnostic",
    "required_fields": [
      "schema",
      "consumer_id",
      "consumer_class",
      "owner",
      "version",
      "production_use",
      "freebsd_version",
      "transport",
      "access_mode",
      "implementation_path",
      "implementation_sha256",
      "entrypoint",
      "workflow",
      "deployment_reference",
      "event_schema_sha256",
      "event_ids",
      "actual_capture",
      "capture_evidence_path",
      "capture_evidence_sha256",
      "captured_event_counts"
    ],
    "schema_marker": "pre15-p15-031-consumer-v1"
  },
  "consumer_inventory": {
    "expected_reference_counts": {
      "historical-evidence": 3,
      "linux-reference": 0,
      "planning-proposal": 16,
      "possible-project-consumer": 0,
      "project-report-or-documentation": 4,
      "test-only": 10,
      "total": 33
    },
    "expected_scoped_path_count": 3243,
    "maximum_candidate_bytes": 2097152,
    "reference_patterns": [
      "dtrace",
      "(^|[^[:alnum:]_])sdt([^[:alnum:]_]|$)|sdt_(probe|provider)",
      "(^|[^[:alnum:]_])ktr([^[:alnum:]_]|$)|ktrdump|ktr_[[:alnum:]_]+",
      "(^|[^[:alnum:]_])tracepoints?([^[:alnum:]_]|$)",
      "(^|[^[:alnum:]_])observability([^[:alnum:]_]|$)"
    ],
    "scope": "tracked repo-pre-15 and planning/pre15 at required_base, excluding planning/pre15/introduction.md and the P15-031 addendum"
  },
  "event_schema": {
    "forbidden_fields": [
      "kernel_pointer",
      "credential",
      "path",
      "xattr_name",
      "xattr_value",
      "uuid",
      "volume_label",
      "raw_unvalidated_metadata"
    ],
    "provider": "erofs",
    "events": [
      {
        "fields": [
          "parse_stage",
          "error"
        ],
        "id": "mount_parse_fail",
        "rule": "emit only bounded stage enum and positive errno; no image-derived value"
      },
      {
        "fields": [
          "nid",
          "logical_offset",
          "mapped_length",
          "device_id",
          "map_flags",
          "error"
        ],
        "id": "map_result",
        "rule": "emit only after range validation; zero mapping fields on validation failure"
      },
      {
        "fields": [
          "nid"
        ],
        "id": "vget_hit",
        "rule": "validated numeric inode identity only"
      },
      {
        "fields": [
          "nid"
        ],
        "id": "vget_miss",
        "rule": "validated numeric inode identity only"
      },
      {
        "fields": [
          "nid"
        ],
        "id": "vget_loser",
        "rule": "validated numeric inode identity only"
      },
      {
        "fields": [
          "nid",
          "name_index"
        ],
        "id": "xattr_cache_hit",
        "rule": "namespace index only; no xattr name or value"
      },
      {
        "fields": [
          "nid",
          "name_index"
        ],
        "id": "xattr_cache_miss",
        "rule": "namespace index only; no xattr name or value"
      },
      {
        "fields": [
          "nid",
          "algorithm",
          "offset",
          "input_length",
          "output_length"
        ],
        "id": "decode_start",
        "rule": "validated numeric decode request only"
      },
      {
        "fields": [
          "nid",
          "algorithm",
          "offset",
          "decoded_length"
        ],
        "id": "decode_end",
        "rule": "validated numeric decode result only"
      },
      {
        "fields": [
          "nid",
          "algorithm",
          "offset",
          "error"
        ],
        "id": "decode_error",
        "rule": "validated numeric identity and positive errno only"
      },
      {
        "fields": [
          "nid",
          "offset",
          "decoded_length"
        ],
        "id": "cache_wait",
        "rule": "validated cache key components only"
      },
      {
        "fields": [
          "nid",
          "offset",
          "decoded_length",
          "reason"
        ],
        "id": "cache_evict",
        "rule": "bounded reason enum and validated cache key components only"
      }
    ]
  },
  "gate": "G08",
  "go_requirements": [
    "a concrete existing project diagnostic consumer captures the complete predeclared schema through FreeBSD DTrace/SDT or a justified KTR path",
    "no kernel pointers, credentials, or unauthenticated metadata leakage",
    "an owned-temp pre-source prototype generated from this JSON and the gate script closes fields, counts, failure, detach, and unload without linking into EROFS",
    "disabled WITH_ZSTDIO=0 and WITH_ZSTDIO=1 builds add no undefined symbols",
    "ten-run hot-path median regression is at most three percent with raw interleaved controls and no outlier deletion"
  ],
  "probe_order": [
    "consumer-inventory",
    "privacy-schema",
    "freebsd15-native-owned-temp-prototype",
    "disabled-dual-build-undefined-symbols",
    "ten-run-hot-path-microbenchmark"
  ],
  "prohibited_paths": [
    "planning/pre15/introduction.md"
  ],
  "protected": {
    "pid": 26318,
    "port": 9222
  },
  "prototype_contract": {
    "expected_event_count_each": 1,
    "generated_from": [
      "P15-031-input.json",
      "P15-031.sh"
    ],
    "lifecycle_scenarios": [
      "consumer attach and complete capture",
      "failed consumer enable",
      "consumer termination and detach",
      "provider unload and reload",
      "final unload with zero owned processes, modules, and temporary paths"
    ],
    "linked_into_erofs": false,
    "location": "owned temporary directory only",
    "native_target": "FreeBSD 15"
  },
  "required_base": "0f696ad1e2c6628022d02ce52d07eb66704769dd",
  "schema": 1,
  "scope_tree_oids": {
    "planning/pre15": "bb8801a7696465fce1607b671c96473c044773b5",
    "repo-pre-15": "231f9d5566d0a6bee4672a89f93451daa4f4b5de"
  },
  "source_sha256": {
    "planning/pre15/20-final-candidate-ledger.md": "c47338623686ce352fd80cf9b39635900bcde8c2abc960feebe24837f8a67460",
    "planning/pre15/30-stage0-gates.md": "34708bacf4a0668dfd834b3639900ca23b28b9833a387ac6e2c0399c9316cdb8",
    "planning/pre15/40-execution-batches.md": "1d1ffdf8fec799aeec063bb1dc4a0fda9703300d414eabef8905522b2c18db20",
    "planning/pre15/50-feature-test-matrix.md": "ce39b44ef3989f4fcdbcd8eb677193ef53b630080c74d8539664fb2be3f38408",
    "planning/pre15/90-honesty-and-evidence.md": "69f96908f5ab436a2f5359548e4e6f5dc2942fcf00148d999d513558f1c59c2d",
    "repo-pre-15/src/Makefile": "b722f7ec658e0ada0640c80a7b527921bd96cdf0e93e9623cece29766f2fc9c8",
    "repo-pre-15/src/data.c": "a511146d2d1ff56bc88bae6c550cfdc49a8e978c5c2c88d735de92adaaa836b6",
    "repo-pre-15/src/decompressor.c": "ccaa934f837ecbf3b3b678dbddf35d29dd7e3b4e80d1a7ab78b18a07e555419f",
    "repo-pre-15/src/inode.c": "50c40fe403bd06b17f6976707ad4a8f03f95af49753f450df3d132130ab2dcf4",
    "repo-pre-15/src/super.c": "61f31906bb7d1872c99cd3cf3859a34daf29a02d91a3caa1bfc8187af562a3d2",
    "repo-pre-15/src/xattr.c": "7ce78b7af8838715fed10843f412458bdacb8c9b6811f08f660549f18a0743b0",
    "repo-pre-15/src/zdata.c": "ee241c83fe7152569414594a3b4acf8c5028a35573d53ace0e3bb4a51dd0d191",
    "repo-pre-15/tests/pre15/EVIDENCE-SCHEMA.json": "8a4d3fe076eed3a2f17e3ebd9337ca8697f09d6717c05835e076f6812cf38102"
  }
}