verify-tracing.sh (1625B)
1#!/bin/sh 2 3cd /sys/kernel/tracing 4 5compare_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 15compare_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 26file_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 37compare_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 49compare_file "current_tracer" "function_graph" 50compare_file "options/event-fork" "1" 51compare_file "options/sym-addr" "1" 52compare_file "options/stacktrace" "1" 53compare_file "buffer_size_kb" "1024" 54file_contains "snapshot" "Snapshot is allocated" 55file_contains "trace_clock" '\[global\]' 56 57compare_file "events/initcall/enable" "1" 58compare_file "events/task/task_newtask/enable" "1" 59compare_file "events/sched/sched_process_exec/filter" "pid < 128" 60compare_file "events/kprobes/enable" "1" 61 62compare_file "instances/bar/events/kprobes/myevent/enable" "1" 63compare_file "instances/bar/events/kprobes/myevent2/enable" "1" 64compare_file "instances/bar/events/kprobes/myevent3/enable" "1" 65 66compare_file "instances/foo/current_tracer" "function" 67compare_file "instances/foo/tracing_on" "0" 68 69compare_file "/proc/sys/kernel/ftrace_dump_on_oops" "2" 70compare_file "/proc/sys/kernel/traceoff_on_warning" "1" 71 72exit 0