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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 "tracing_on" "0"
compare_file "current_tracer" "function_graph"
compare_file_partial "events/kprobes/start_event/enable" "1"
compare_file_partial "events/kprobes/start_event/trigger" "traceon"
file_contains "kprobe_events" 'start_event.*pci_proc_init'
compare_file_partial "events/kprobes/end_event/enable" "1"
compare_file_partial "events/kprobes/end_event/trigger" "traceoff"
file_contains "kprobe_events" '^r.*end_event.*pci_proc_init'
exit 0