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Snapshot.NonIOFamilies, Snapshot.NonIOFamiliesCount, and
types.IsNonIOSyscallFamily encoded a TUI tab concept in core packages.
Move this filtering into internal/tui/dashboard/nonio.go as unexported
helpers so the dashboard owns its own grouping policy and
Snapshot.Families remains the neutral core API.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Default aggregate-only sampling (rate 0) for futex* and clock_gettime
causes BPF to suppress ring-buffer events. In -plain, -flamegraph, and
headless -parquet modes there is no aggregate sink, so these probes
would emit no rows even when explicitly selected. Promote those defaults
to rate 1 during flag resolution; user-explicit overrides are preserved.
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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Add a bullet explaining the default (250ms), what it controls (flamegraph
and stream tab refresh cadence), and that setting it to 0 disables
high-frequency refresh.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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The testRace and goBuildRace targets already existed in Magefile.go
(added in commit 70acff7) but were missing from the build/test command
reference in AGENTS.md. Add the testRace entry so contributors know
how to run the full test suite under Go's race detector.
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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Amp-Thread-ID: https://ampcode.com/threads/T-019c7f4e-cc5f-76f1-aaf0-dd7cbaabbb18
Co-authored-by: Amp <amp@ampcode.com>
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