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