0001
0002
0003 cd /sys/kernel/tracing
0004
0005 compare_file() {
0006 file="$1"
0007 val="$2"
0008 content=`cat $file`
0009 if [ "$content" != "$val" ]; then
0010 echo "FAILED: $file has '$content', expected '$val'"
0011 exit 1
0012 fi
0013 }
0014
0015 compare_file_partial() {
0016 file="$1"
0017 val="$2"
0018 content=`cat $file | sed -ne "/^$val/p"`
0019 if [ -z "$content" ]; then
0020 echo "FAILED: $file does not contain '$val'"
0021 cat $file
0022 exit 1
0023 fi
0024 }
0025
0026 file_contains() {
0027 file=$1
0028 val="$2"
0029
0030 if ! grep -q "$val" $file ; then
0031 echo "FAILED: $file does not contain $val"
0032 cat $file
0033 exit 1
0034 fi
0035 }
0036
0037 compare_mask() {
0038 file=$1
0039 val="$2"
0040
0041 content=`cat $file | sed -ne "/^[0 ]*$val/p"`
0042 if [ -z "$content" ]; then
0043 echo "FAILED: $file does not have mask '$val'"
0044 cat $file
0045 exit 1
0046 fi
0047 }
0048
0049
0050 compare_file "tracing_on" "0"
0051 compare_file "current_tracer" "function_graph"
0052
0053 compare_file_partial "events/kprobes/start_event/enable" "1"
0054 compare_file_partial "events/kprobes/start_event/trigger" "traceon"
0055 file_contains "kprobe_events" 'start_event.*pci_proc_init'
0056
0057 compare_file_partial "events/kprobes/end_event/enable" "1"
0058 compare_file_partial "events/kprobes/end_event/trigger" "traceoff"
0059 file_contains "kprobe_events" '^r.*end_event.*pci_proc_init'
0060
0061 exit 0
