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Split 22 production files across the codebase — event loop, TUI models,
probe manager, dashboard, export, flag parsing, code generation, and
ioworkload scenarios — so that no function body exceeds 50 lines. Each
extracted helper carries its own comment explaining its role.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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paths
Swap out ad-hoc += string concatenation in the flamegraph toolbar/status
lines, dashboard filter summary, bubble/treemap status lines, eventstream
view, processes tab, and probes list for strings.Builder, eliminating
redundant allocations on every render tick. Also update dashboard/model_test.go
fake SnapshotSource implementations to match the updated interface signature.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Extend the var _ Interface = (*Concrete)(nil) coverage started in j3 to
cover the remaining public types not yet guarded:
- *file.FdFile → file.File (file/file.go)
- streamrow.Row → globalfilter.Candidate (streamrow/row.go; adds
globalfilter import — no cycle since globalfilter does not import streamrow)
- *streamrow.RingBuffer → eventstream.Source
(tui/eventstream/ringbuffer.go; already a type alias for streamrow.RingBuffer)
- *probemanager.Manager → tui/probes.Manager (tui/probes/model.go)
- All 9 generated *types.*Event types → event.Event in the new file
internal/event/interface_assertions.go (non-generated, lives in the event
package which already imports types, so no new import cycle)
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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User-supplied filenames are now sanitised through filepath.Base before
being joined with exportDir, so inputs like "../../etc/passwd" can no
longer write files outside the intended export directory. Pure directory
references ("..") are rejected outright. Two new tests cover both the
unit-level sanitisation and the end-to-end exportRowsToCSV path.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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paths with spaces
Replace strings.Fields with a new shellSplit function that implements
POSIX-like quoting rules (single-quotes, double-quotes, backslash escapes),
so EDITOR values such as '/My Editor/hx' or "/path/with spaces/hx" --wait
are correctly parsed rather than mangled into multiple path components.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Move ParseDurationNs to globalfilter/parser and move CompareOpSymbol,
AppendStringSummary, AppendNumericSummary, FilterSummary to
globalfilter/presenter. The domain Filter type retains only matching,
equality, clone, and active-predicate logic. All callers updated;
tests for the new sub-packages added.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Introduce internal/runtime as a neutral contract package that both the
core engine (internal) and the TUI layer (internal/tui) depend on.
- internal/runtime: defines TraceStarter, StreamSource, EventSink,
LiveTrieSource, SnapshotSource, ProbeManager, RuntimePublisher,
RuntimeState, TraceRuntimeBindings, and all context key/helper
functions (RuntimeBindingsFromContext, RuntimePublisherFromContext,
ContextWithRuntimeBindings, ContextWithTraceFilters,
TraceFiltersFromContext). These were previously defined in
internal/tui, forcing the core package to import the TUI layer.
- internal/streamrow: add RingBuffer (moved from internal/tui/eventstream)
so the core tracing engine can use the ring buffer without importing
the TUI layer.
- internal/tui/eventstream/ringbuffer.go: change to a thin re-export of
streamrow.RingBuffer via a type alias, preserving the existing API for
all callers within the TUI layer.
- internal/tui/tui.go: replace locally-defined interface declarations
(TraceStarter, SnapshotSource, ProbeManager, RuntimePublisher,
RuntimeState, TraceRuntimeBindings) with type aliases from
internal/runtime. Delegate all context helper functions to runtime.
- internal/ior.go, internal/ior_bpfsetup.go: remove imports of
internal/tui and internal/tui/eventstream; use internal/runtime and
internal/streamrow instead. Add SetTUIRunners injection point so the
concrete TUI runner functions are wired in by cmd/ior/main.go.
- cmd/ior/main.go: call internal.SetTUIRunners with the concrete TUI
runner functions before internal.Run, completing the wiring without
creating a cycle.
- Test files (internal/ior_mode_test.go, internal/bench_pipeline_test.go):
updated to use runtime.* and streamrow.* types in place of tui.* and
eventstream.* types.
Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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