Simone
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§10: single-job Measure-CIBenchmark on LinuxBuild2404 (DHCP, 10 iter) on the Linux host — boot total 8.82s avg, near-deterministic even on DHCP (IP-acquire 7.45s, σ≈0.01). Guest-vs-guest table: Linux guest ~63% faster boot total than the Windows static-IP guest (§8) on the same host. plans/benchmark-windows-host.md: dual-boot plan to collect the symmetric Windows-host numbers (§11 Win static, §12 Linux DHCP, §13 concurrent burn-in) so the host×guest×IP-mode matrix is complete and Linux-vs-Windows is a column-for-column comparison. Includes Windows paths, Credential Manager prereqs, and the BaseClean-Linux snapshot caveat. Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>
145 lines
6.0 KiB
Markdown
145 lines
6.0 KiB
Markdown
# Plan — Windows-host benchmarks (comparable to Linux-host §6–§10)
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> **Scopo**: la macchina è dual-boot (Windows ⇄ Linux, stesso hardware).
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> Le baseline RUNBOOK §6–§10 sono quasi tutte sul **Linux host**. Questo
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> plan raccoglie i numeri mancanti sul **Windows host** per chiudere la
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> matrice host × guest × IP-mode e rendere il confronto Linux-vs-Windows
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> completo e simmetrico.
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>
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> **Prerequisito**: riavviare la macchina nel boot entry **Windows**.
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> Tutto gira su Windows PowerShell 5.1 o pwsh 7; usare la stessa
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> `Measure-CIBenchmark.ps1` / `Test-CapacityBurnIn.ps1` del repo (sono
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> cross-platform, i default path passano a `F:\CI\...` quando `$IsWindows`).
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---
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## 1. Cosa esiste già e cosa manca
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| RUNBOOK § | Host | Guest | IP mode | Stato |
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| --------- | ----- | -------------- | ------- | ---------- |
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| §6 | Win | WinBuild2025 | DHCP | ✓ 2026-05-17 |
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| §7 | Linux | WinBuild2025 | DHCP | ✓ |
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| §8 | Linux | WinBuild2025 | static | ✓ |
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| §9 | Linux | Win + Linux | burn-in (static pool) | ✓ |
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| §10 | Linux | LinuxBuild2404 | DHCP | ✓ |
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**Mancanti sul Windows host** (target di questo plan):
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| Nuovo § | Host | Guest | IP mode | Pair-with |
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| ------- | ---- | -------------- | ------- | --------- |
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| §11 | Win | WinBuild2025 | static | §8 |
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| §12 | Win | LinuxBuild2404 | DHCP | §10 |
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| §13 | Win | Win + Linux | burn-in 4×10 | §9 |
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§6 copre già Win×Win×DHCP. Opzionale: ri-eseguirlo nella stessa sessione per
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coerenza (stesso disco/fragmentazione del momento).
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---
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## 2. Prerequisiti sul Windows host
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- [ ] Boot in Windows; verificare VMware Workstation + `vmrun.exe` in
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`C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe`.
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- [ ] Template fully powered-off con snapshot integri:
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```powershell
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& 'C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe' -T ws listSnapshots 'F:\CI\Templates\WinBuild2025\WinBuild2025.vmx'
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& 'C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe' -T ws listSnapshots 'F:\CI\Templates\LinuxBuild2404\LinuxBuild2404.vmx'
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```
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Attesi: `BaseClean` e `BaseClean-Linux`.
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- [ ] Credenziali in **Windows Credential Manager** (non keyring file):
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target `BuildVMGuest` (guest WinRM) e `GiteaPAT` (clone in-VM).
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Verifica: `cmdkey /list | findstr /i "BuildVMGuest GiteaPAT"`.
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- [ ] Chiave SSH guest Linux presente: `F:\CI\keys\ci_linux` (per §12/§13
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lato LinuxBuild2404).
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- [ ] Gitea raggiungibile (`http://10.10.20.11:3100`) e repo
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`Simone/burnin-dummy` con `build.ps1` + `build.sh` (per §13).
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- [ ] `F:\CI\BuildVMs\` privo di cloni orfani e `F:\CI\ip-pool.json`
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(se esiste) pulito — stesso caveat lease stale del Linux host
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(RUNBOOK §9 / TODO §2.8). Reset se serve:
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```powershell
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Set-Content -Path 'F:\CI\ip-pool.json' -Value '{}' -NoNewline
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```
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---
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## 3. §11 — WinBuild2025 static IP (pair §8)
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```powershell
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.\scripts\Measure-CIBenchmark.ps1 `
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-TemplatePath 'F:\CI\Templates\WinBuild2025\WinBuild2025.vmx' `
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-SnapshotName BaseClean `
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-StaticIP 192.168.79.200 -Netmask 255.255.255.0 `
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-Iterations 10
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```
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- [ ] 10 iter completate, tabella per-fase stampata.
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- [ ] Confronto vs §8 (Linux host static): atteso clone/start simili,
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IP-acquire dominato da `ci-static-ip.ps1` (~21.8 s floor, indipendente
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dall'host). Delta host atteso piccolo sulle fasi non-IP.
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## 4. §12 — LinuxBuild2404 DHCP (pair §10)
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```powershell
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.\scripts\Measure-CIBenchmark.ps1 `
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-TemplatePath 'F:\CI\Templates\LinuxBuild2404\LinuxBuild2404.vmx' `
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-SnapshotName BaseClean-Linux `
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-GuestOS Linux `
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-Iterations 10
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```
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- [ ] 10 iter completate.
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- [ ] Confronto vs §10 (Linux host, Lin guest DHCP, boot total 8.82 s):
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isola l'**effetto host** sul guest Linux. Se Win host ≫ 8.82 s,
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l'overhead è host-side (NTFS / NAT vmnet8 Windows), non guest.
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## 5. §13 — Concurrent burn-in 4×10 (pair §9)
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```powershell
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# WinBuild2025
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.\scripts\Test-CapacityBurnIn.ps1 `
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-Parallelism 4 -Rounds 10 `
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-TemplatePath 'F:\CI\Templates\WinBuild2025\WinBuild2025.vmx' `
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-RepoUrl 'http://10.10.20.11:3100/Simone/burnin-dummy.git' `
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-CloneBaseDir 'F:\CI\BuildVMs\' `
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-ArtifactBaseDir 'F:\CI\Artifacts\' `
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-VmrunPath 'C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe' `
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-BuildCommand 'powershell -ExecutionPolicy Bypass -File .\build.ps1'
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# LinuxBuild2404 (snapshot OBBLIGATORIO, default è BaseClean=Windows)
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.\scripts\Test-CapacityBurnIn.ps1 `
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-Parallelism 4 -Rounds 10 `
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-TemplatePath 'F:\CI\Templates\LinuxBuild2404\LinuxBuild2404.vmx' `
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-SnapshotName BaseClean-Linux `
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-RepoUrl 'http://10.10.20.11:3100/Simone/burnin-dummy.git' `
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-CloneBaseDir 'F:\CI\BuildVMs\' `
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-ArtifactBaseDir 'F:\CI\Artifacts\' `
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-VmrunPath 'C:\Program Files (x86)\VMware\VMware Workstation\vmrun.exe' `
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-GuestOS Linux `
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-BuildCommand 'bash build.sh'
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```
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- [ ] Entrambi 40/40 PASS, 10/10 round.
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- [ ] Round avg vs §9 (Linux host: Win ~78.6 s, Lin ~70.2 s): delta = effetto
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host sotto concorrenza 4×.
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---
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## 6. Output e documentazione
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- Tutti i run appendono a `F:\CI\Logs\benchmark.jsonl` (single-job) e
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stampano summary (burn-in).
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- [ ] Copiare/annotare i risultati e aggiungere a `docs/RUNBOOK.md` le
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sezioni **§11–§13** con le stesse tabelle di §8/§9/§10 e una riga
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finale di **confronto host Linux-vs-Windows** per ciascuna coppia.
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- [ ] Pulizia post-run: `F:\CI\BuildVMs\` vuoto, artifact `burnin-*`
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rimossi, `F:\CI\ip-pool.json` reset.
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---
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## 7. Matrice finale attesa (dopo questo plan)
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| Host \ (Guest, mode) | Win/DHCP | Win/static | Lin/DHCP | burn-in 4×10 |
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| -------------------- | -------- | ---------- | -------- | ------------ |
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| **Linux** | §7 | §8 | §10 | §9 |
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| **Windows** | §6 | §11 | §12 | §13 |
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Confronto colonna-per-colonna = **effetto host** a guest+mode costanti.
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Confronto riga-per-riga = **effetto guest/IP-mode** a host costante.
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