diff options
| author | Namhyung Kim <namhyung@kernel.org> | 2016-05-10 16:53:05 +0200 |
|---|---|---|
| committer | Shuah Khan <shuahkh@osg.samsung.com> | 2016-05-16 17:01:49 +0200 |
| commit | 5a614ec8a7cfe9098475fa1221b409fb7eec6054 (patch) | |
| tree | 20b5f1687c46d778514306ec70f21bc1a1ac05a9 /tools | |
| parent | Linux 4.6-rc1 (diff) | |
| download | linux-5a614ec8a7cfe9098475fa1221b409fb7eec6054.tar.xz linux-5a614ec8a7cfe9098475fa1221b409fb7eec6054.zip | |
kselftests/ftrace: Detect tracefs mount point
Currently ftracetest assumes tracing directory is located under
$DEBUGFS/tracing. But it's possible to mount tracefs directly without
debugfs.
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
Diffstat (limited to 'tools')
| -rwxr-xr-x | tools/testing/selftests/ftrace/ftracetest | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest index da48812ab95e..4c6a0bf8ba79 100755 --- a/tools/testing/selftests/ftrace/ftracetest +++ b/tools/testing/selftests/ftrace/ftracetest @@ -88,7 +88,12 @@ parse_opts() { # opts # Parameters DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1` -TRACING_DIR=$DEBUGFS_DIR/tracing +if [ -z "$DEBUGFS_DIR" ]; then + TRACING_DIR=`grep tracefs /proc/mounts | cut -f2 -d' ' | head -1` +else + TRACING_DIR=$DEBUGFS_DIR/tracing +fi + TOP_DIR=`absdir $0` TEST_DIR=$TOP_DIR/test.d TEST_CASES=`find_testcases $TEST_DIR` @@ -102,7 +107,7 @@ parse_opts $* [ $DEBUG -ne 0 ] && set -x # Verify parameters -if [ -z "$DEBUGFS_DIR" -o ! -d "$TRACING_DIR" ]; then +if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then errexit "No ftrace directory found" fi |