Michael Freno
b53d4add29
One-off diagnostics behind the FFTW leak fix: init/destroy x50 RSS bound, Mach VM region walker, render-churn region growth, ffmpeg decode-stream region/rss sampling.
28 lines
1002 B
TypeScript
28 lines
1002 B
TypeScript
/** Minimal opentui app: VM region growth from render loop and/or text churn. */
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import { appendFileSync } from "node:fs"
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import { createSignal } from "solid-js"
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import { render } from "@opentui/solid"
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import { countRegions } from "./scratch-region-count"
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const CHURN = Bun.argv.includes("--churn")
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const OUT = Bun.argv.find((a) => a.startsWith("--out="))?.slice(6) ?? "/tmp/render-leak.log"
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const log = (m: string) => Bun.write(Bun.stderr, m + "\n") // stderr may be hijacked too; use fd via file:
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const append = (m: string) => appendFileSync(OUT, m + "\n")
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const [s, setS] = createSignal("hello")
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if (CHURN) {
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let i = 0
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setInterval(() => setS(`hello ${++i} ${"x".repeat(i % 50)}`), 33)
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}
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render(() => <text>{s()}</text>)
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await Bun.sleep(1000)
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const c0 = countRegions()
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append(`start churn=${CHURN}: total=${c0.total}`)
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for (let w = 1; w <= 4; w++) {
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await Bun.sleep(15_000)
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const c = countRegions()
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append(`t=${w * 15}s total=${c.total} (delta ${c.total - c0.total})`)
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}
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process.exit(0)
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