From 0b8d006aa72c56eff1368c6c69b09547c455a5ed Mon Sep 17 00:00:00 2001
From: Tomas Mudrunka <tomas.mudrunka@gmail.com>
Date: Thu, 23 Mar 2023 23:44:58 +0100
Subject: [PATCH] memtest probe

---
 bash/probe_memtest.sh | 29 +++++++++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100755 bash/probe_memtest.sh

diff --git a/bash/probe_memtest.sh b/bash/probe_memtest.sh
new file mode 100755
index 0000000..2034fd1
--- /dev/null
+++ b/bash/probe_memtest.sh
@@ -0,0 +1,29 @@
+#!/bin/sh
+
+prefix="RAM STATUS:"
+unsure_ret=0
+
+[ "$1" = "-f" ] && unsure_ret=1
+
+get_meminfo() {
+	field="$1"
+	file="/proc/meminfo"
+	grep ^"$field": "$file" | grep -o '[0-9]*' ||
+		echo "$prefix Field $field not found in $file" >&2
+}
+
+memtest=$(get_meminfo EarlyMemtestBad)
+ecccorr=$(get_meminfo HardwareCorrupted)
+
+[ -z "$memtest" -o -z "$ecccorr" ] && {
+	echo "$prefix Memtest not enabled in kernel"
+	exit $unsure_ret
+}
+
+echo "$prefix EarlyMemtestBad:$memtest HardwareCorrupted:$ecccorr"
+[ $memtest -gt 0 -o $ecccorr -gt 0 ] && {
+	echo "$prefix Corrupted"
+	exit 255
+}
+echo "$prefix OK"
+exit 0
-- 
2.30.2