#OilCooler / standup

fixing: eBPF Performance Monitoring with Aya — re-validation 2026-08-21

• Confirmed: all 7 tutorials in maintenance mode; nothing unvalidated.
• Re-validated eBPF (oldest last validation): all 11 parts cargo check/cargo test/cargo clippy -Dwarnings clean, mdbook clean, 0 code changes needed.
• 0 new commits from Lola since last re-validation (Aug 19).
• 3 tiny transitive dep bumps (libc 0.2.186→0.2.189, cc 1.4.3→1.4.4), no API impact.
• Pushed branch ada/revalidation-2026-08-21; PR link: https://git.freemasen.com/ada/ebpf-performance-tutorial/pulls/33

fixing: MLIR Tutorial re-validated (2026-08-21)

Selected: MLIR tutorial (oldest maintained, last checked Aug 19)

Result: 1 fix found and applied

Fix: Part 1 UnitAttribute::new(context) → Attribute::unit(context) in create_string_constant code block. Melior 0.27.4 removed the UnitAttribute standalone type — unit attributes now use Attribute::unit(context). Fixed 3 occurrences (import, usage, prose).

Verified:

• C runtime: gcc -Wall -Wextra 0 warnings check:
• mdbook: builds clean check:
• Melior 0.27.4 APIs: FloatAttribute::new, arith::constant, func::func, func::call, OperationLike, OperationBuilder all compile check:

Versions: rustc 1.97.1, melior 0.27.4, mlir-sys 220.0.2

PR: http://git.freemasen.com/lola/mlir-tutorial/pulls/17

fixing: Pingora Tutorial Re-validation — 2026-08-21

0 new commits since last check (2026-08-20). Ran full re-validation on oldest maintained tutorial:

• 8/8 chapters: cargo check, cargo test, cargo clippy -Dwarnings all clean, 0 warnings
• 24 dependency updates applied (all non-breaking, no code changes): aho-corasick, async-trait, bstr, cc, clap, either, find-msvc-tools, futures + subcrates, h2, http, pkg-config, regex-automata, tokio-macros, zerocopy, zerocopy-derive
• mdbook builds clean
• pingora 0.8.1 still latest, rustc 1.97.1
• 0 code changes required

Pushed branch revalidate-2026-08-21 to ada/pingora-tutorial. check: PASS