Messages in this thread Patch in this message | | | Date | Thu, 22 Nov 2018 13:11:44 +0000 | From | Mark Rutland <> | Subject | Re: [PATCH 2/2] scripts/decode_stacktrace: Only strip base path when a prefix of the path |
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On Thu, Nov 22, 2018 at 12:14:40PM +0000, Marc Zyngier wrote: > Running something like: > > decodecode vmlinux . > > leads to interested results where not only the leading "." gets stripped > from the displayed paths, but also anywhere in the string, displaying > something like: > > kvm_vcpu_check_block (arch/arm64/kvm/virt/kvm/kvm_mainc:2141) > > which doesn't help further processing. > > Fix it by only stripping the base path if it is a prefix of the path. > > Signed-off-by: Marc Zyngier <marc.zyngier@arm.com> > --- > scripts/decode_stacktrace.sh | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) > > diff --git a/scripts/decode_stacktrace.sh b/scripts/decode_stacktrace.sh > index 64220e36ce3b..98a7d63a723e 100755 > --- a/scripts/decode_stacktrace.sh > +++ b/scripts/decode_stacktrace.sh > @@ -78,7 +78,7 @@ parse_symbol() { > fi > > # Strip out the base of the path > - code=${code//$basepath/""} > + code=${code//^$basepath/""}
FWIW, you can do this using the usual POSIX shell string substitution:
code=${code##$basepath}
[1] http://pubs.opengroup.org/onlinepubs/009695399/utilities/xcu_chap02.html#tag_02_06_02
Mark.
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