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scripts/decode_stacktrace: Accept dash/underscore in modules

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The manpage for modprobe mentions that dashes and underscores are
treated interchangeably in module names.  The stack trace dumps seem to
print module names with underscores.  Use bash to replace _ with the
pattern [-_] so that file names with dashes or underscores can be found.

For example, this line:
[   27.919759]  hda_widget_sysfs_init+0x2b8/0x3a5 [snd_hda_core]

should find a module named snd-hda-core.ko.

Link: http://lkml.kernel.org/r/20190531205926.42474-1-evgreen@chromium.org
Signed-off-by: Evan Green <evgreen@chromium.org>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Cc: Stephen Rothwell <sfr@canb.auug.org.au>
Cc: Douglas Anderson <dianders@chromium.org>
Cc: Evan Green <evgreen@chromium.org>
Cc: Nicolas Boichat <drinkcat@chromium.org>
Cc: Marc Zyngier <marc.zyngier@arm.com>
Cc: Manuel Traut <manut@linutronix.de>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
This commit is contained in:
Evan Green 2019-07-11 20:52:39 -07:00 committed by Linus Torvalds
parent 85f946ffd3
commit ca90bbd410
1 changed files with 1 additions and 1 deletions
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2
scripts/decode_stacktrace.sh
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@ -28,7 +28,7 @@ parse_symbol() {
local objfile=${modcache[$module]}
else
[[ $modpath == "" ]] && return
local objfile=$(find "$modpath" -name "$module.ko*" -print -quit)
local objfile=$(find "$modpath" -name "${module//_/[-_]}.ko*" -print -quit)
[[ $objfile == "" ]] && return
modcache[$module]=$objfile
fi