diff options
| author | Konstantin Khlebnikov <khlebnikov@yandex-team.ru> | 2020-08-07 09:17:38 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-07 21:33:21 +0300 |
| commit | ecda6e27fa834b2aa37fc9ad49f89b80e9ee8f97 (patch) | |
| tree | f8e69cde4288ee3d240b7bee480fd74e18413b90 | |
| parent | f643b9ee97766e1846fab237c58a56277bf7e530 (diff) | |
| download | linux-ecda6e27fa834b2aa37fc9ad49f89b80e9ee8f97.tar.xz | |
scripts/decode_stacktrace.sh: guess basepath if not specified
Guess path to kernel sources using known location of symbol "kernel_init".
Make basepath argument optional.
Before:
$ echo 'vfs_open+0x0/0x0' | ./scripts/decode_stacktrace.sh vmlinux ""
vfs_open (home/khlebnikov/src/linux/fs/open.c:912)
After:
$ echo 'vfs_open+0x0/0x0' | ./scripts/decode_stacktrace.sh vmlinux
vfs_open (fs/open.c:912)
Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Cc: Sasha Levin <sashal@kernel.org>
Link: http://lkml.kernel.org/r/159282922803.248444.2379229451667913634.stgit@buzz
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
| -rwxr-xr-x | scripts/decode_stacktrace.sh | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh index b157037af6df..62a70ede7f3e 100755 --- a/scripts/decode_stacktrace.sh +++ b/scripts/decode_stacktrace.sh @@ -3,14 +3,14 @@ # (c) 2014, Sasha Levin <sasha.levin@oracle.com> #set -x -if [[ $# < 2 ]]; then +if [[ $# < 1 ]]; then echo "Usage:" - echo " $0 [vmlinux] [base path] [modules path]" + echo " $0 <vmlinux> [base path] [modules path]" exit 1 fi vmlinux=$1 -basepath=$2 +basepath=${2-auto} modpath=$3 declare -A cache declare -A modcache @@ -152,6 +152,14 @@ handle_line() { echo "${words[@]}" "$symbol $module" } +if [[ $basepath == "auto" ]] ; then + module="" + symbol="kernel_init+0x0/0x0" + parse_symbol + basepath=${symbol#kernel_init (} + basepath=${basepath%/init/main.c:*)} +fi + while read line; do # Let's see if we have an address in the line if [[ $line =~ \[\<([^]]+)\>\] ]] || |