62 lines · bash
1#!/bin/sh2 3cd /sys/kernel/tracing4 5compare_file() {6 file="$1"7 val="$2"8 content=`cat $file`9 if [ "$content" != "$val" ]; then10 echo "FAILED: $file has '$content', expected '$val'"11 exit 112 fi13}14 15compare_file_partial() {16 file="$1"17 val="$2"18 content=`cat $file | sed -ne "/^$val/p"`19 if [ -z "$content" ]; then20 echo "FAILED: $file does not contain '$val'"21 cat $file22 exit 123 fi24}25 26file_contains() {27 file=$128 val="$2"29 30 if ! grep -q "$val" $file ; then31 echo "FAILED: $file does not contain $val"32 cat $file33 exit 134 fi35}36 37compare_mask() {38 file=$139 val="$2"40 41 content=`cat $file | sed -ne "/^[0 ]*$val/p"`42 if [ -z "$content" ]; then43 echo "FAILED: $file does not have mask '$val'"44 cat $file45 exit 146 fi47}48 49 50compare_file "tracing_on" "0"51compare_file "current_tracer" "function_graph"52 53compare_file_partial "events/kprobes/start_event/enable" "1"54compare_file_partial "events/kprobes/start_event/trigger" "traceon"55file_contains "kprobe_events" 'start_event.*pci_proc_init'56 57compare_file_partial "events/kprobes/end_event/enable" "1"58compare_file_partial "events/kprobes/end_event/trigger" "traceoff"59file_contains "kprobe_events" '^r.*end_event.*pci_proc_init'60 61exit 062