28 lines
681 B
Bash
28 lines
681 B
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Generic dynamic event - add/remove tracepoint probe events
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# requires: dynamic_events "t[:[<group>/][<event>]] <tracepoint> [<args>]":README
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echo 0 > events/enable
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echo > dynamic_events
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TRACEPOINT1=kmem_cache_alloc
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TRACEPOINT2=kmem_cache_free
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echo "t:myevent1 $TRACEPOINT1" >> dynamic_events
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echo "t:myevent2 $TRACEPOINT2" >> dynamic_events
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grep -q myevent1 dynamic_events
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grep -q myevent2 dynamic_events
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test -d events/tracepoints/myevent1
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test -d events/tracepoints/myevent2
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echo "-:myevent2" >> dynamic_events
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grep -q myevent1 dynamic_events
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! grep -q myevent2 dynamic_events
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echo > dynamic_events
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clear_trace
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