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f6e2253a61
Add kretprobe and function exit probe test cases for checking whether those can access entry arguments at function exit correctly. Link: https://lore.kernel.org/all/170952366504.229804.11605173085475141091.stgit@devnote2/ Signed-off-by: Masami Hiramatsu (Google) <mhiramat@kernel.org>
19 lines
439 B
Bash
19 lines
439 B
Bash
#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Kretprobe entry argument access
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# requires: kprobe_events 'kernel return probes support:':README
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echo 'p:myevent1 vfs_open arg=$arg1' >> kprobe_events
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echo 'r:myevent2 vfs_open arg=$arg1' >> kprobe_events
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echo 1 > events/kprobes/enable
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echo > trace
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cat trace > /dev/null
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function streq() {
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test $1 = $2
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}
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streq `grep -A 1 -m 1 myevent1 trace | sed -r 's/^.*(arg=.*)/\1/' `
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