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#!/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).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
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