linux-kernel - [PATCH] scripts/decode_stacktrace.sh: handle RIP address with segment

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Date:   Fri, 04 Jan 2019 14:18:32 +0300
From:   Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
To:     Andrew Morton <akpm@...ux-foundation.org>,
        linux-kernel@...r.kernel.org
Subject: [PATCH] scripts/decode_stacktrace.sh: handle RIP address with
 segment

decode line:

RIP: 0010:khugepaged+0x2a2/0x2280

into

RIP: 0010:khugepaged (mm/khugepaged.c:1885)

Signed-off-by: Konstantin Khlebnikov <khlebnikov@...dex-team.ru>
---
 scripts/decode_stacktrace.sh |    9 ++++++++-
 1 file changed, 8 insertions(+), 1 deletion(-)

diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh
index 98a7d63a723e..bcdd45df3f51 100755
--- a/scripts/decode_stacktrace.sh
+++ b/scripts/decode_stacktrace.sh
@@ -37,6 +37,13 @@ parse_symbol() {
 	symbol=${symbol#\(}
 	symbol=${symbol%\)}
 
+	# Strip segment
+	local segment
+	if [[ $symbol == *:* ]] ; then
+		segment=${symbol%%:*}:
+		symbol=${symbol#*:}
+	fi
+
 	# Strip the symbol name so that we could look it up
 	local name=${symbol%+*}
 
@@ -84,7 +91,7 @@ parse_symbol() {
 	code=${code//$'\n'/' '}
 
 	# Replace old address with pretty line numbers
-	symbol="$name ($code)"
+	symbol="$segment$name ($code)"
 }
 
 decode_code() {