From 4563816873e17217217f7dc25e50e6869c906cbc Mon Sep 17 00:00:00 2001 From: Nils Andreas Svee Date: Mon, 14 Sep 2026 15:33:37 +0700 Subject: [PATCH] docs(tui): advise on memory usage for finite-duration runs --- docs/irtt-tui.md | 8 ++++++++ 1 file changed, 8 insertions(+) diff --git a/docs/irtt-tui.md b/docs/irtt-tui.md index 1001fb5..46b5030 100644 --- a/docs/irtt-tui.md +++ b/docs/irtt-tui.md @@ -62,6 +62,14 @@ presentation bounds on top of the client's own statistics retention (see total memory is dominated by whichever of the two is larger for your target count. +A **finite** `--duration` TUI run retains exact statistics samples exactly as +`irtt-client(1)` does in finite mode, so its retained state grows with the +probe count rather than approaching a bound. Unlike `irtt-client`, the TUI +prints **no** memory warning when that estimate gets large: it owns the +alternate screen, and a stderr warning there would be invisible or would +corrupt the display. Size a long finite TUI run from the figures in +`irtt-client(1)` MEASUREMENTS AND MEMORY, or use the continuous default. + ## EXIT BEHAVIOR Quitting with `q` or `Ctrl-C` is an interrupted, successful exit. Otherwise,