aboutsummaryrefslogtreecommitdiffstats
path: root/tools/testing/selftests/ftrace
diff options
context:
space:
mode:
authorJuerg Haefliger <juerg.haefliger@canonical.com>2019-02-22 21:53:50 +0100
committerShuah Khan <shuah@kernel.org>2019-02-22 15:25:18 -0700
commit37fb665b059edcd6ab87b1541402eef3dac91168 (patch)
treed3c5dc5c70469da93c9f109a7458b3d66cacf567 /tools/testing/selftests/ftrace
parentselftests: ir: skip when non-root user runs the test (diff)
downloadlinux-dev-37fb665b059edcd6ab87b1541402eef3dac91168.tar.xz
linux-dev-37fb665b059edcd6ab87b1541402eef3dac91168.zip
selftests/ftrace: Replace echo -e with printf
echo -e is not POSIX. Depending on what /bin/sh is, we can get incorrect output like: $ -e -n [1] Basic trace file check $ -e [PASS] Fix that by using printf instead. Acked-by: Steven Rostedt (VMware) <rostedt@goodmis.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Juerg Haefliger <juergh@canonical.com> Signed-off-by: Shuah Khan <shuah@kernel.org>
Diffstat (limited to 'tools/testing/selftests/ftrace')
-rwxr-xr-xtools/testing/selftests/ftrace/ftracetest9
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index 75244db70331..2e5e66774dbb 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -173,8 +173,13 @@ strip_esc() {
}
prlog() { # messages
- echo -e "$@"
- [ "$LOG_FILE" ] && echo -e "$@" | strip_esc >> $LOG_FILE
+ newline="\n"
+ if [ "$1" = "-n" ] ; then
+ newline=
+ shift
+ fi
+ printf "$*$newline"
+ [ "$LOG_FILE" ] && printf "$*$newline" | strip_esc >> $LOG_FILE
}
catlog() { #file
cat $1