Update CodSpeedHQ/action action to v4.19.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
CodSpeedHQ/action	action	minor	v4.18.5 → v4.19.0

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Release Notes

CodSpeedHQ/action (CodSpeedHQ/action)

v4.19.0

Compare Source

Release Notes

This release ships improvements for the memory instrument.

The memory instrument now lazily attaches to allocators, which lowers the startup time to a few seconds (down from minutes on certain systems). Additionally, we shipped a series of serialization improvements, removing in some large benchmarks 3+ minutes of extra CI time.

Lastly, we also added a new --experimental-exclude-allocations feature to remove allocator time from Simulation benchmarks.

🚀 Features

• Remove eager allocator discovery by @​not-matthias
• Attach allocator probes on demand via exec-mapping watcher by @​not-matthias
• Add exec-mapping watcher BPF prog and inode maps by @​not-matthias
• Add experimental --exclude-allocations setting by @​not-matthias

🐛 Bug Fixes

• Join attach worker thread on drop, not only on finish() by @​not-matthias in #​445
• Fail loud when a watcher mapping is unresolved on a live process by @​not-matthias
• Canonicalize map_files dirent name for low-address mappings by @​not-matthias
• Classify unprefixed jemalloc builds as jemalloc by @​not-matthias
• Fail closed when tracking_enabled lookup fails by @​not-matthias
• Lower zstd compression level to -5 to reduce serialization overhead by @​not-matthias
• Wire MemtrackWriter serializer through BufWriter to fix per-event zstd compression bottleneck by @​not-matthias

💼 Other

• Let the tracker own the poller and drain on shutdown by @​not-matthias
• Return the underlying sink from MemtrackWriter::finish by @​not-matthias

🏗️ Refactor

• Split monolithic eBPF C and Rust into domain files by @​not-matthias
• Split memtrack into module by @​not-matthias
• Attach uprobes at resolved file offsets instead of func_name by @​not-matthias
• Align cycle-estimation flag with experimental naming scheme by @​not-matthias in #​425

📚 Documentation

• Add crate AGENTS.md guide by @​not-matthias in #​455
• Stop hardcoding MCP tool schemas in the optimize skill by @​fargito in #​451

⚡ Performance

• Drain ringbuf bursts eagerly and reserve poller cores by @​not-matthias in #​436
• Grow the event ring buffer to 256 MiB by @​not-matthias
• Wake the ringbuf consumer only past a data watermark by @​not-matthias
• Pre-size and reuse the memtrack encode window buffer by @​not-matthias
• Replace drain/writer threads with the encode pipeline by @​not-matthias
• Add parallel zstd encode pipeline for artifact events by @​not-matthias
• Detach BPF links in parallel at teardown by @​not-matthias in #​440
• Resolve allocator symbol offsets in parallel by @​not-matthias

🧪 Testing

• Add dlopen/on-demand allocator tests + CI matrix by @​not-matthias
• Benchmark encode_events with a realistic allocation trace by @​not-matthias

⚙️ Internals

• chore: bump runner version to 4.19.0 by @​github-actions[bot] in #​224
• Lower on-demand attach log to debug by @​not-matthias in #​462
• Install rust toolchain by explicit channel for older rustup by @​not-matthias
• Also run runner-shared benchmarks in walltime mode by @​not-matthias
• Dedup memtrack build deps into install-bpf-deps action by @​not-matthias

Install codspeed-runner 4.19.0

Install prebuilt binaries via shell script

curl --proto '=https' --tlsv1.2 -LsSf https://github.com/CodSpeedHQ/codspeed/releases/download/v4.19.0/codspeed-runner-installer.sh | sh

Download codspeed-runner 4.19.0

File	Platform	Checksum
codspeed-runner-aarch64-apple-darwin.tar.gz	Apple Silicon macOS	checksum
codspeed-runner-aarch64-unknown-linux-musl.tar.gz	ARM64 MUSL Linux	checksum
codspeed-runner-x86_64-unknown-linux-musl.tar.gz	x64 MUSL Linux	checksum

Full Runner Changelog: https://github.com/CodSpeedHQ/codspeed/blob/main/CHANGELOG.md

Full Changelog: CodSpeedHQ/action@v4.18.5...v4.19.0

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[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.

📢 Thoughts on this report? Let us know!

[codspeed-hq]

Merging this PR will not alter performance

✅ 14 untouched benchmarks

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_{Comparing renovate/codspeedhq-action-4.x (8a09287) with main (0c6c513)}

[github-actions]

Django test suite conformance

✅ no changes detected running Django test suite.

Django test suite passing: 49.37%
721 ERROR / 77 FAIL / 778 OK