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-rw-r--r--tools/perf/tests/shell/lib/perf_has_symbol.sh2
-rw-r--r--tools/perf/tests/shell/lib/probe_vfs_getname.sh2
-rw-r--r--tools/perf/tests/shell/lib/setup_python.sh2
-rw-r--r--tools/perf/tests/shell/lib/waiting.sh2
4 files changed, 4 insertions, 4 deletions
diff --git a/tools/perf/tests/shell/lib/perf_has_symbol.sh b/tools/perf/tests/shell/lib/perf_has_symbol.sh
index 561c93b75d77..0b35cce0b13d 100644
--- a/tools/perf/tests/shell/lib/perf_has_symbol.sh
+++ b/tools/perf/tests/shell/lib/perf_has_symbol.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
perf_has_symbol()
diff --git a/tools/perf/tests/shell/lib/probe_vfs_getname.sh b/tools/perf/tests/shell/lib/probe_vfs_getname.sh
index 58debce9ab42..88cd0e26d5f6 100644
--- a/tools/perf/tests/shell/lib/probe_vfs_getname.sh
+++ b/tools/perf/tests/shell/lib/probe_vfs_getname.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# Arnaldo Carvalho de Melo <acme@kernel.org>, 2017
perf probe -l 2>&1 | grep -q probe:vfs_getname
diff --git a/tools/perf/tests/shell/lib/setup_python.sh b/tools/perf/tests/shell/lib/setup_python.sh
index c2fce1793538..a58e5536f2ed 100644
--- a/tools/perf/tests/shell/lib/setup_python.sh
+++ b/tools/perf/tests/shell/lib/setup_python.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
if [ "x$PYTHON" = "x" ]
diff --git a/tools/perf/tests/shell/lib/waiting.sh b/tools/perf/tests/shell/lib/waiting.sh
index bdd5a7c71591..3a152892e077 100644
--- a/tools/perf/tests/shell/lib/waiting.sh
+++ b/tools/perf/tests/shell/lib/waiting.sh
@@ -1,4 +1,4 @@
-#!/bin/sh
+#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
tenths=date\ +%s%1N