scripts/decode_stacktrace.sh: handle RIP address with segment

decode line:

  RIP: 0010:khugepaged+0x2a2/0x2280

into

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

Link: http://lkml.kernel.org/r/154660071227.52726.15645307951282727605.stgit@buzz
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

1 files changed, 8 insertions, 1 deletions

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() {