#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: trace_pipe and trace_marker
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# requires: trace_marker
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# flags: instance
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echo "test input 1" > trace_marker
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: "trace interface never consume the ring buffer"
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grep -q "test input 1" trace
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grep -q "test input 1" trace
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: "trace interface never consume the ring buffer"
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head -n 1 trace_pipe | grep -q "test input 1"
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! grep -q "test input 1" trace
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