ce1ac64b93
The kprobe testcases create, use and delete dynamic events during the
test but didn't clear the trace buffer so it'll leave the result after
it finishes.
# ./ftracetest
...
# cat trace
# tracer: nop
#
# entries-in-buffer/entries-written: 2/2 #P:12
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
ftracetest-26474 [009] d..1 79417.143782: Unknown type 1099
ftracetest-26498 [009] d..1 79417.208034: Unknown type 1101
Link: http://lkml.kernel.org/r/1415239470-28705-2-git-send-email-namhyung@kernel.org
Acked-by: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
17 lines
503 B
Bash
17 lines
503 B
Bash
#!/bin/sh
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# description: Kprobe dynamic event with arguments
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[ -f kprobe_events ] || exit_unsupported # this is configurable
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echo 0 > events/enable
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echo > kprobe_events
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echo 'p:testprobe do_fork $stack $stack0 +0($stack)' > kprobe_events
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grep testprobe kprobe_events
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test -d events/kprobes/testprobe
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echo 1 > events/kprobes/testprobe/enable
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( echo "forked")
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echo 0 > events/kprobes/testprobe/enable
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echo "-:testprobe" >> kprobe_events
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clear_trace
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test -d events/kprobes/testprobe && exit 1 || exit 0
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