kselftests/ftrace: Detect tracefs mount point
Currently ftracetest assumes tracing directory is located under $DEBUGFS/tracing. But it's possible to mount tracefs directly without debugfs. Signed-off-by: Namhyung Kim <namhyung@kernel.org> Signed-off-by: Shuah Khan <shuahkh@osg.samsung.com>
This commit is contained in:
parent
f55532a0c0
commit
5a614ec8a7
|
@ -88,7 +88,12 @@ parse_opts() { # opts
|
||||||
|
|
||||||
# Parameters
|
# Parameters
|
||||||
DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
|
DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
|
||||||
TRACING_DIR=$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`
|
TOP_DIR=`absdir $0`
|
||||||
TEST_DIR=$TOP_DIR/test.d
|
TEST_DIR=$TOP_DIR/test.d
|
||||||
TEST_CASES=`find_testcases $TEST_DIR`
|
TEST_CASES=`find_testcases $TEST_DIR`
|
||||||
|
@ -102,7 +107,7 @@ parse_opts $*
|
||||||
[ $DEBUG -ne 0 ] && set -x
|
[ $DEBUG -ne 0 ] && set -x
|
||||||
|
|
||||||
# Verify parameters
|
# Verify parameters
|
||||||
if [ -z "$DEBUGFS_DIR" -o ! -d "$TRACING_DIR" ]; then
|
if [ -z "$TRACING_DIR" -o ! -d "$TRACING_DIR" ]; then
|
||||||
errexit "No ftrace directory found"
|
errexit "No ftrace directory found"
|
||||||
fi
|
fi
|
||||||
|
|
||||||
|
|
Loading…
Reference in a new issue