Commit 174fd823 authored by Masami Hiramatsu's avatar Masami Hiramatsu Committed by Shuah Khan (Samsung OSG)
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selftests/ftrace: Add trace_pipe testcase 



Add a simple testcase for trace_pipe which can consume
ringbuffer.

Signed-off-by: default avatarMasami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: default avatarShuah Khan (Samsung OSG) <shuah@kernel.org>
parent 7bc026d6

tools/testing/selftests/ftrace/test.d/00basic/trace_pipe.tc

0 → 100644
+16 −0
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#!/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