name : verify-boottrace.sh #!/bin/sh cd /sys/kernel/tracing compare_file() { file="$1" val="$2" content=`cat $file` if [ "$content" != "$val" ]; then echo "FAILED: $file has '$content', expected '$val'" exit 1 fi } compare_file_partial() { file="$1" val="$2" content=`cat $file | sed -ne "/^$val/p"` if [ -z "$content" ]; then echo "FAILED: $file does not contain '$val'" cat $file exit 1 fi } file_contains() { file=$1 val="$2" if ! grep -q "$val" $file ; then echo "FAILED: $file does not contain $val" cat $file exit 1 fi } compare_mask() { file=$1 val="$2" content=`cat $file | sed -ne "/^[0 ]*$val/p"` if [ -z "$content" ]; then echo "FAILED: $file does not have mask '$val'" cat $file exit 1 fi } compare_file "events/task/task_newtask/filter" "pid < 128" compare_file "events/task/task_newtask/enable" "1" compare_file "events/kprobes/vfs_read/filter" "common_pid < 200" compare_file "events/kprobes/vfs_read/enable" "1" compare_file_partial "events/synthetic/initcall_latency/trigger" "hist:keys=func.sym,lat:vals=hitcount,lat:sort=lat" compare_file_partial "events/synthetic/initcall_latency/enable" "0" compare_file_partial "events/initcall/initcall_start/trigger" "hist:keys=func:vals=hitcount:ts0=common_timestamp.usecs" compare_file_partial "events/initcall/initcall_start/enable" "1" compare_file_partial "events/initcall/initcall_finish/trigger" 'hist:keys=func:vals=hitcount:lat=common_timestamp.usecs-\$ts0:sort=hitcount:size=2048:clock=global:onmatch(initcall.initcall_start).trace(initcall_latency,func,\$lat)' compare_file_partial "events/initcall/initcall_finish/enable" "1" compare_file "instances/foo/current_tracer" "function" file_contains "instances/foo/set_ftrace_filter" "^user" compare_file "instances/foo/buffer_size_kb" "512" compare_mask "instances/foo/tracing_cpumask" "1" compare_file "instances/foo/options/sym-addr" "0" file_contains "instances/foo/trace_clock" '\[mono\]' compare_file_partial "instances/foo/events/signal/signal_deliver/trigger" "snapshot" compare_file "instances/bar/current_tracer" "function" file_contains "instances/bar/set_ftrace_filter" "^kernel" compare_mask "instances/bar/tracing_cpumask" "2" file_contains "instances/bar/trace_clock" '\[x86-tsc\]' file_contains "snapshot" "Snapshot is allocated" compare_file "options/sym-addr" "1" compare_file "events/initcall/enable" "1" compare_file "buffer_size_kb" "1027" compare_file "current_tracer" "function" file_contains "set_ftrace_filter" '^vfs' exit 0