#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: ftrace - function profiling
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# requires: function_profile_enabled
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: "Enable function profile"
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echo 1 > function_profile_enabled
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: "Profile must be updated"
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cp trace_stat/function0 $TMPDIR/
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( echo "forked"; sleep 1 )
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: "diff returns 0 if there is no difference"
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! diff trace_stat/function0 $TMPDIR/function0
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echo 0 > function_profile_enabled
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: "Profile must NOT be updated"
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cp trace_stat/function0 $TMPDIR/
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( echo "forked"; sleep 1 )
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: "diff returns 0 if there is no difference"
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diff trace_stat/function0 $TMPDIR/function0
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