Currently ftracetest assumes tracing directory is located under
$DEBUGFS/tracing. But it's possible to mount tracefs directly without
debugfs.
Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
---
tools/testing/selftests/ftrace/ftracetest | 9 +++++++--
1 file changed, 7 insertions(+), 2 deletions(-)
diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
index da48812ab95e..4c6a0bf8ba79 100755
--- a/tools/testing/selftests/ftrace/ftracetest
+++ b/tools/testing/selftests/ftrace/ftracetest
@@ -88,7 +88,12 @@ parse_opts() { # opts
# Parameters
DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
-TRACING_DIR=$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
--
2.8.0
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