On 05/10/2016 08:53 AM, Namhyung Kim wrote:
> Currently ftracetest assumes tracing directory is located under
> $DEBUGFS/tracing. But it's possible to mount tracefs directly without
> debugfs.
>
> Signed-off-by: Namhyung Kim <namhyung@xxxxxxxxxx>
Looks good to me. Steve! Ack if you are good with this patch.
I can get this into 4.8-rc1
thanks,
-- Shuah
> ---
> tools/testing/selftests/ftrace/ftracetest | 9 +++++++--
> 1 file changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/tools/testing/selftests/ftrace/ftracetest b/tools/testing/selftests/ftrace/ftracetest
> index da48812ab95e..4c6a0bf8ba79 100755
> --- a/tools/testing/selftests/ftrace/ftracetest
> +++ b/tools/testing/selftests/ftrace/ftracetest
> @@ -88,7 +88,12 @@ parse_opts() { # opts
>
> # Parameters
> DEBUGFS_DIR=`grep debugfs /proc/mounts | cut -f2 -d' ' | head -1`
> -TRACING_DIR=$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
>
>
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