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32f6e5da83
Add a testcase for testing kprobe_profile interface which provides per-kprobe event hit/misshit counts. Signed-off-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Shuah Khan (Samsung OSG) <shuah@kernel.org>
16 lines
527 B
Bash
16 lines
527 B
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Kprobe dynamic event - adding and removing
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[ -f kprobe_events ] || exit_unsupported # this is configurable
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! grep -q 'myevent' kprobe_profile
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echo p:myevent _do_fork > kprobe_events
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grep -q 'myevent[[:space:]]*0[[:space:]]*0$' kprobe_profile
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echo 1 > events/kprobes/myevent/enable
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( echo "forked" )
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grep -q 'myevent[[:space:]]*[[:digit:]]*[[:space:]]*0$' kprobe_profile
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echo 0 > events/kprobes/myevent/enable
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echo > kprobe_events
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! grep -q 'myevent' kprobe_profile
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