33 lines
882 B
Plaintext
33 lines
882 B
Plaintext
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#!/bin/sh
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# SPDX-License-Identifier: GPL-2.0
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# description: Create/delete multiprobe on kprobe event
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# requires: kprobe_events "Create/append/":README
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# Choose 2 symbols for target
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SYM1=$FUNCTION_FORK
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SYM2=do_exit
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EVENT_NAME=kprobes/testevent
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DEF1="p:$EVENT_NAME $SYM1"
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DEF2="p:$EVENT_NAME $SYM2"
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:;: "Define an event which has 2 probes" ;:
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echo $DEF1 >> kprobe_events
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echo $DEF2 >> kprobe_events
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cat kprobe_events | grep "$DEF1"
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cat kprobe_events | grep "$DEF2"
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:;: "Remove the event by name (should remove both)" ;:
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echo "-:$EVENT_NAME" >> kprobe_events
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test `cat kprobe_events | wc -l` -eq 0
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:;: "Remove just 1 event" ;:
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echo $DEF1 >> kprobe_events
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echo $DEF2 >> kprobe_events
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echo "-:$EVENT_NAME $SYM1" >> kprobe_events
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! cat kprobe_events | grep "$DEF1"
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cat kprobe_events | grep "$DEF2"
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:;: "Appending different type must fail" ;:
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! echo "$DEF1 \$stack" >> kprobe_events
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