blob: 5058fbcfd90fc0523a30416c08b63bf56d5577a6 [file] [log] [blame]
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: trace_pipe and trace_marker
# flags: instance
[ ! -f trace_marker ] && exit_unsupported
echo "test input 1" > trace_marker
: "trace interface never consume the ring buffer"
grep -q "test input 1" trace
grep -q "test input 1" trace
: "trace interface never consume the ring buffer"
head -n 1 trace_pipe | grep -q "test input 1"
! grep -q "test input 1" trace