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45 lines
1.3 KiB
45 lines
1.3 KiB
#!/bin/sh |
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# SPDX-License-Identifier: GPL-2.0 |
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# description: Kprobe event auto/manual naming |
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# requires: kprobe_events |
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:;: "Add an event on function without name" ;: |
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FUNC=`grep " [tT] .*vfs_read$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " "` |
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[ "x" != "x$FUNC" ] || exit_unresolved |
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echo "p $FUNC" > kprobe_events |
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PROBE_NAME=`echo $FUNC | tr ".:" "_"` |
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test -d events/kprobes/p_${PROBE_NAME}_0 || exit_failure |
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:;: "Add an event on function with new name" ;: |
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echo "p:event1 $FUNC" > kprobe_events |
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test -d events/kprobes/event1 || exit_failure |
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:;: "Add an event on function with new name and group" ;: |
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echo "p:kprobes2/event2 $FUNC" > kprobe_events |
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test -d events/kprobes2/event2 || exit_failure |
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:;: "Add an event on dot function without name" ;: |
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find_dot_func() { |
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if [ ! -f available_filter_functions ]; then |
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grep -m 10 " [tT] .*\.isra\..*$" /proc/kallsyms | tail -n 1 | cut -f 3 -d " " |
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return; |
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fi |
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grep " [tT] .*\.isra\..*" /proc/kallsyms | cut -f 3 -d " " | while read f; do |
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if grep -s $f available_filter_functions; then |
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echo $f |
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break |
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fi |
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done |
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} |
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FUNC=`find_dot_func | tail -n 1` |
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[ "x" != "x$FUNC" ] || exit_unresolved |
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echo "p $FUNC" > kprobe_events |
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EVENT=`grep $FUNC kprobe_events | cut -f 1 -d " " | cut -f 2 -d:` |
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[ "x" != "x$EVENT" ] || exit_failure |
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test -d events/$EVENT || exit_failure
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