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- Add tracepoints.Selector type with ShouldAttach method and ParseSelector
constructor, replacing the raw TracepointsToAttach/TracepointsToExclude
regex slices on flags.Config.
- Add flags.BuildTraceFilter as a standalone function replacing the
Config.TraceFilter() method, keeping filter-building logic out of the
config struct.
- Remove stale ShouldIAttachTracepoint noise-filter entry from Magefile.
- Add selector_test.go with full coverage of ParseSelector and ShouldAttach.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Run gofmt -w on 9 files that had minor alignment/whitespace drift
(pair.go, filter.go, ior_mode_registry.go, ior_mode_test.go,
runtime.go, engine.go, dashboard/model.go, flamegraph/model.go,
flamegraph/renderer.go).
Add two new Mage targets to Magefile.go:
- `mage fmt` – rewrites all .go files in-place via go/format
- `mage fmtCheck` – dry-run check; fails with a list of offending
files, suitable as a CI gate
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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50-line limit
Extract buildGoTestCmd, startProgressTicker, and drainTestEvents from
runGoTestWithProgress; extract parquetSchemaCheck, parquetRowCountCheck,
and parquetSanityCheck from runParquetChecks. All six new helpers and both
top-level functions are now well under 50 lines. No behavior changed.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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- Bubbles, treemap, icicle, and the live flamegraph 'b' cycle now include
syscall duration (sum) as a third metric alongside events and bytes.
Statsengine snapshots expose TotalLatencyNs to support this.
- AttachAll takes an optional warn callback. Production passes one so older
kernels that lack newer tracepoints log a warning and keep going instead
of aborting startup.
- Dockerfile.el8 + scripts/build-with-docker-el8.sh + mage buildDockerEl8
produce ior.el8, a static binary built against Rocky Linux 8 glibc for
RHEL/Rocky/Alma 8 hosts.
- README.md documents installing mage and the new el8 target.
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- demo/ renamed to docs/tutorial/ (tapes, scripts, TUTORIAL.md)
- docs/tutorial/assets/ added to git (51 MB of GIFs + PNGs); removed
/demo/assets/ from .gitignore so images render on Codeberg
- docs/tui-reference.md removed; its hotkey tables merged into a new
"Hotkey Quick Reference" section at the end of TUTORIAL.md
- TUTORIAL.md: updated install section (mage buildDocker, no
GOTOOLCHAIN=auto), fixed README relative path (../../README.md),
updated internal tapes/scripts/assets path prose
- README.md: updated all demo/ image paths and links to docs/tutorial/;
TUI and recording-modes links now point to TUTORIAL.md anchors
- AGENTS.md: updated demo/ references to docs/tutorial/
- Magefile.go: updated demoDir/demoTapesDir/demoScriptsDir/demoRunTape/
demoSudoKeepers constants to docs/tutorial/ paths
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Introduces a Docker-based build path so ior can be compiled on any
Linux host without a native Rocky 9 toolchain setup:
- Dockerfile: Rocky 9 minimal image with Go (version from ARG, default
from go.mod), static libelf/libzstd built from source, libbpfgo at
v0.9.2-libbpf-1.5.1, and mage; CMD runs mage generate + mage all
against the repo root mounted as a volume.
- scripts/build-with-docker.sh: reads GO_VERSION from go.mod, passes it
as --build-arg to docker build, mounts tracefs and BTF into the
container, writes the binary to the repo root.
- Magefile.go: adds BuildDocker target that wraps the script.
- README.md: simplified to the two build paths (Docker + native) with
links to docs/; removed GOTOOLCHAIN=auto throughout.
- docs/build-rocky-linux-9.md: full manual Rocky 9 steps, libbpfgo
toolchain setup/rollback, compile-once-run-everywhere explanation,
and timing semantics.
- docs/tui-reference.md: complete TUI hotkey reference, recording mode
details, and the .ior.zst vs Parquet trade-off table.
- AGENTS.md: removed GOTOOLCHAIN=auto from all build commands.
- internal/c/generated_tracepoints.c: regenerated against the host kernel.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Relocates the two non-canonical main packages so every binary in the repo
lives at ./cmd/<BINARY>/main.go:
- tools/filewriter/ -> cmd/filewriter/
- integrationtests/cmd/ioworkload/ (20 files) -> cmd/ioworkload/
Consumers updated:
- Magefile.go: workloadSourcePath now ./cmd/ioworkload
- integrationtests/README.md: structure note points at ../cmd/ioworkload
Files moved with git mv so git log --follow history is preserved.
cmd/ior/main.go was already canonical and is untouched.
Verified: mage build produces the ior binary; go build ./cmd/...
builds filewriter and ioworkload; go test ./cmd/ioworkload passes;
go vet ./cmd/filewriter ./cmd/ioworkload is clean.
Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
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Adds a `mage parquetValidate` target that validates a Parquet recording
via clickhouse-local in Docker (schema presence, row count, seq/time_ns
sanity). Adds docs/parquet-querying.md with schema reference, invocation
pattern, and seven example queries with representative outputs.
Co-Authored-By: Claude Sonnet 4.6 (1M context) <noreply@anthropic.com>
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Amp-Thread-ID: https://ampcode.com/threads/T-019c7f4e-cc5f-76f1-aaf0-dd7cbaabbb18
Co-authored-by: Amp <amp@ampcode.com>
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Amp-Thread-ID: https://ampcode.com/threads/T-019c7f4e-cc5f-76f1-aaf0-dd7cbaabbb18
Co-authored-by: Amp <amp@ampcode.com>
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Amp-Thread-ID: https://ampcode.com/threads/T-019c7f3b-1326-767b-94d5-366b91eaf712
Co-authored-by: Amp <amp@ampcode.com>
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