ff431b1390
Add a kprobes test to ensure that we are able to add a probe on a module function using 'p <mod>:<func>' format, with/without having to specify a probe name. Link: http://lkml.kernel.org/r/2d8087e25a7ad9206f3e2b7b4bb0c3c86eaa38af.1499453040.git.naveen.n.rao@linux.vnet.ibm.com Suggested-by: Masami Hiramatsu <mhiramat@kernel.org> Acked-by: Masami Hiramatsu <mhiramat@kernel.org> Signed-off-by: Naveen N. Rao <naveen.n.rao@linux.vnet.ibm.com> Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
29 lines
911 B
Bash
29 lines
911 B
Bash
#!/bin/sh
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# description: Kprobe dynamic event - probing module
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[ -f kprobe_events ] || exit_unsupported # this is configurable
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disable_events
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echo > kprobe_events
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:;: "Add an event on a module function without specifying event name" ;:
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MOD=`lsmod | head -n 2 | tail -n 1 | cut -f1 -d" "`
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FUNC=`grep -m 1 ".* t .*\\[$MOD\\]" /proc/kallsyms | xargs | cut -f3 -d" "`
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[ "x" != "x$MOD" -a "y" != "y$FUNC" ] || exit_unresolved
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echo "p $MOD:$FUNC" > kprobe_events
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PROBE_NAME=`echo $MOD:$FUNC | tr ".:" "_"`
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test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure
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:;: "Add an event on a module function with new event name" ;:
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echo "p:event1 $MOD:$FUNC" > kprobe_events
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test -d events/kprobes/event1 || exit_failure
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:;: "Add an event on a module function with new event and group name" ;:
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echo "p:kprobes1/event1 $MOD:$FUNC" > kprobe_events
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test -d events/kprobes1/event1 || exit_failure
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echo > kprobe_events
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