this script contains Array, but not all sh support Array. by default, dash provides sh at ubuntu/debian which can not support Array. so force to use /bin/bash
it can fix following issue: lizhijian@localhost:~/lkp/linux/tools/perf/tests/shell$ sudo ./trace+probe_libc_inet_pton.sh [sudo] password for lizhijian: PING ::1(::1) 56 data bytes ./trace+probe_libc_inet_pton.sh: 30: ./trace+probe_libc_inet_pton.sh: Bad substitution ./trace+probe_libc_inet_pton.sh: 32: ./trace+probe_libc_inet_pton.sh: Bad substitution Signed-off-by: Li Zhijian <lizhij...@cn.fujitsu.com> --- tools/perf/tests/shell/trace+probe_libc_inet_pton.sh | 2 ++ 1 file changed, 2 insertions(+) diff --git a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh index 7a84d73..df04cc1 100755 --- a/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh +++ b/tools/perf/tests/shell/trace+probe_libc_inet_pton.sh @@ -1,3 +1,5 @@ +#!/bin/bash + # probe libc's inet_pton & backtrace it with ping # Installs a probe on libc's inet_pton function, that will use uprobes, -- 2.7.4
