linux-zen-server/tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc

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2023-08-30 17:53:23 +02:00
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: trace_pipe and trace_marker
# requires: trace_marker
# flags: instance
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