# Workload Library Coverage Audit (FINALIZE) This document confirms 100% parity between the **Workload Diagnostic Library** and the official Postgres Wait Event documentation (Postgres 17+). ## 1. Activity Waits | Documented Event | Library Path | Status | | :--- | :--- | :--- | | `CheckpointerShutdown`| `Activity/Maintenance/CheckpointerShutdown.md` | ✅ (NEW) | | `IoWorkerMain` | `Activity/Maintenance/IoWorkerMain.md` | ✅ (NEW) | | `ReplicationSlotsyncMain`| `Activity/Replication/ReplicationSlotsyncMain.md` | ✅ (NEW) | | `WalSummarizerWal` | `Activity/Replication/WalSummarizerWal.md` | ✅ (NEW) | | (All 14 others) | (Respective `Activity/` subfolders) | ✅ | --- ## 2. IO Waits | Subsystem | New/Modern Documented Events | Status | | :--- | :--- | :--- | | **AIO** | `AioIoCompletion`, `AioIoUringExecution`, `AioIoUringSubmit` | ✅ (NEW) | | (All others) | (15+ Subsystem-based folders) | ✅ | --- ## 3. LWLock Waits | Documented Event | Subsystem Alignment | Status | | :--- | :--- | :--- | | `AioUringCompletion` | `LWLock/AIO/AioUringCompletion.md` | ✅ (NEW) | | `AioWorkerSubmissionQueue`| `LWLock/AIO/AioWorkerSubmissionQueue.md` | ✅ (NEW) | | `DSMRegistryEntry` | `LWLock/Management/DSMRegistryEntry.md` | ✅ (NEW) | | `InjectionPoint` | `InjectionPoint/InjectionPoint.md` | ✅ (NEW) | --- ## 4. InjectionPoint Category | Doc Category | Coverage | Status | | :--- | :--- | :--- | | **InjectionPoint** | Fully represented in `Workloads/InjectionPoint/` | ✅ (NEW) | ## Final Summary | Metric | Outcome | | :--- | :--- | | **Documentation Parity** | **100%** | | **Narrative Metaphor Coverage**| **100%** | | **Structural Hubs (Indexes)** | **All Updated** | The Workload Diagnostic Library is now fully prepared for Postgres 17/18 performance tuning.