From 8db5b64dcfdd9c75e8b9b8dc42f9b263fa00b64b Mon Sep 17 00:00:00 2001 From: Paul Buetow Date: Thu, 5 Mar 2026 23:18:34 +0200 Subject: Add flamegraph benchmark suite and reuse hot-path buffers --- internal/tui/flamegraph/renderer.go | 13 ++++++++++++- 1 file changed, 12 insertions(+), 1 deletion(-) (limited to 'internal/tui/flamegraph/renderer.go') diff --git a/internal/tui/flamegraph/renderer.go b/internal/tui/flamegraph/renderer.go index d68fc21..6fba0b6 100644 --- a/internal/tui/flamegraph/renderer.go +++ b/internal/tui/flamegraph/renderer.go @@ -236,10 +236,21 @@ func renderRow(frames []indexedFrame, width int, selectedPath string, subtreeSet } func computeSubtreeSet(frames []tuiFrame, selectedIdx int) map[int]bool { - subtree := make(map[int]bool) + return computeSubtreeSetInto(frames, selectedIdx, nil) +} + +func computeSubtreeSetInto(frames []tuiFrame, selectedIdx int, subtree map[int]bool) map[int]bool { + if subtree == nil { + subtree = make(map[int]bool) + } else { + for idx := range subtree { + delete(subtree, idx) + } + } if selectedIdx < 0 || selectedIdx >= len(frames) { return subtree } + selectedPath := frames[selectedIdx].Path for idx, frame := range frames { path := frame.Path -- cgit v1.2.3