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fence (25.1c): the census reads the heap outside Ludic's blocks; blocks counted at malloc's own size

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The census's native line is malloc's live bytes over every zone since judging began less what
Ludic's tracked blocks kept - the libraries' and drivers' growth, read before the census file is
opened. A tracked block counts malloc_size(), not the size asked for, so kept is what the heap pays
and the residual carries no rounding. @malloc_zone_statistics is declared once, by the fence or by
Os.heap_bytes.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
This commit is contained in:
Orkun ÇAKILKAYA 2026-09-28 15:38:13 +03:00
parent a8d54e9878
commit 691964877b
7 changed files with 47519 additions and 47279 deletions
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4
tools/ludic-cli/test.ludic
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@ -797,7 +797,7 @@ function alloc_fence_leak_case() -> void {
let head = capture_line(`grep 'alloc-fence: frame' {tmp_dir()}/afl.err | head -1`)
let named = shq(`grep -q 'alloc_fence_leak.ludic:11 new Box' {tmp_dir()}/afl.err`)
let counted = capture_line(`R3D_ALLOC_FENCE=count {b} < /dev/null`)
if (rc == 86) and (head == "alloc-fence: frame 50 kept +72 B (2 made, 0 freed)") and named and (counted == "kept 72 bad 1") { ok(lbl) }
if (rc == 86) and (head == "alloc-fence: frame 50 kept +80 B (2 made, 0 freed)") and named and (counted == "kept 80 bad 1") { ok(lbl) }
else { bad2(lbl, `rc={string(rc)} head=[{head}] named={string(named)} count=[{counted}]`) }
}
@ -813,7 +813,7 @@ function alloc_fence_auto_case() -> void {
let bc = `{tmp_dir()}/e_alloc_fence_auto_c`
var through = ""
if shq(`bin/ludicc --fence=count examples/lang/alloc_fence_auto.ludic -o {bc} 2>/dev/null`) { through = capture_line(`{bc} < /dev/null`) }
if (rc == 86) and (head == "alloc-fence: frame 1500 kept +4 B (1 made, 0 freed)") and (through == "through") { ok(lbl) }
if (rc == 86) and (head == "alloc-fence: frame 1500 kept +16 B (1 made, 0 freed)") and (through == "through") { ok(lbl) }
else { bad2(lbl, `rc={string(rc)} head=[{head}] count=[{through}]`) }
}