linux-kernel - [PATCH] perf test shell: trace+probe_libc_inet_pton.sh: force to use /bin/bash to load this script

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Message-Id: <1508385233-30676-1-git-send-email-lizhijian@cn.fujitsu.com>
Date:   Thu, 19 Oct 2017 11:53:53 +0800
From:   Li Zhijian <lizhijian@...fujitsu.com>
To:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        mingo@...hat.com, acme@...nel.org,
        alexander.shishkin@...ux.intel.com, kim.phillips@....com
Cc:     philip.li@...el.com, Li Zhijian <lizhijian@...fujitsu.com>
Subject: [PATCH] perf test shell: trace+probe_libc_inet_pton.sh: force to use /bin/bash to load this script

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@...alhost:~/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 <lizhijian@...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