tools r615: redboot-triage.sh - one-pass evidence extraction for the unresolved-arg wedge class (sema-shadow-dst entry point, GRFILL-DROP/held/refused chain, untruncated arg-miss walk lists, cand probes, EVPOST drops)

1 files changed, 23 insertions, 0 deletions

diff --git a/tools/guest-diag/redboot-triage.sh b/tools/guest-diag/redboot-triage.sh
new file mode 100755
index 0000000..041e9a6
--- /dev/null
+++ b/tools/guest-diag/redboot-triage.sh
@@ -0,0 +1,23 @@
+#!/bin/bash
+# redboot-triage.sh <live-log> [base-va] - pull the r613b/r613d wedge-class
+# evidence from a boot's dmesg capture in one pass.
+#   usage: redboot-triage.sh /tmp/opencode/rNNN-live.log [0x7fc716c00000]
+set -u
+LOG="${1:?usage: redboot-triage.sh <log> [base-va]}"
+VA="${2:-}"
+echo "=== $LOG ==="
+echo "--- sema-shadow-dst (r614 witness; the red-boot entry point)"
+grep -h "sema-shadow-dst" "$LOG" | head -12
+echo "--- GRFILL-DROP + held-for-retry + degenerate refusal"
+grep -hE "GRFILL-DROP|launch held for a bounded retry|GR submit refused|GR forward failed|GR-STALL-fwd-fail|GR-COMPLETE-SW" "$LOG" | tail -24
+echo "--- arg-miss walk lists (r614: full, untruncated)"
+grep -h "arg-miss" "$LOG" | tail -6
+echo "--- cand[0] arg base probes (first resolution of each client)"
+grep -h "cand\[0\] arg base" "$LOG" | tail -12
+echo "--- EPOST drop signature (status-ring starvation rounds)"
+grep -h "no postable event" "$LOG" | tail -6
+if [ -n "$VA" ]; then
+	echo "--- all lines for base $VA"
+	grep -h "$VA" "$LOG" | grep -vE "ldatrace|dmatrace" | head -30
+fi
+echo "=== done ==="
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