tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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