| 1 | |
| 2 |
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| 3 | cd /sys/kernel/tracing
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| 4 |
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| 5 | compare_file() {
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| 6 | file="$1"
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| 7 | val="$2"
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| 8 | content=`cat $file`
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| 9 | if [ "$content" != "$val" ]; then
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| 10 | echo "FAILED: $file has '$content', expected '$val'"
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| 11 | exit 1
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| 12 | fi
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| 13 | }
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| 14 |
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| 15 | compare_file_partial() {
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| 16 | file="$1"
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| 17 | val="$2"
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| 18 | content=`cat $file | sed -ne "/^$val/p"`
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| 19 | if [ -z "$content" ]; then
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| 20 | echo "FAILED: $file does not contain '$val'"
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| 21 | cat $file
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| 22 | exit 1
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| 23 | fi
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| 24 | }
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| 25 |
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| 26 | file_contains() {
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| 27 | file=$1
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| 28 | val="$2"
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| 29 |
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| 30 | if ! grep -q "$val" $file ; then
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| 31 | echo "FAILED: $file does not contain $val"
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| 32 | cat $file
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| 33 | exit 1
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| 34 | fi
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| 35 | }
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| 36 |
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| 37 | compare_mask() {
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| 38 | file=$1
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| 39 | val="$2"
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| 40 |
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| 41 | content=`cat $file | sed -ne "/^[0 ]*$val/p"`
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| 42 | if [ -z "$content" ]; then
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| 43 | echo "FAILED: $file does not have mask '$val'"
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| 44 | cat $file
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| 45 | exit 1
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| 46 | fi
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| 47 | }
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| 48 |
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| 49 |
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| 50 | compare_file "tracing_on" "0"
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| 51 | compare_file "current_tracer" "function_graph"
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| 52 |
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| 53 | compare_file_partial "events/kprobes/start_event/enable" "1"
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| 54 | compare_file_partial "events/kprobes/start_event/trigger" "traceon"
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| 55 | file_contains "kprobe_events" 'start_event.*pci_proc_init'
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| 56 |
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| 57 | compare_file_partial "events/kprobes/end_event/enable" "1"
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| 58 | compare_file_partial "events/kprobes/end_event/trigger" "traceoff"
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| 59 | file_contains "kprobe_events" '^r.*end_event.*pci_proc_init'
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| 60 |
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| 61 | exit 0
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