hc
2023-10-25 6c2073b7aa40e29d0eca7d571dd7bc590c7ecaa7
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test stacktrace-trigger
 
do_reset() {
    reset_trigger
    echo > set_event
    clear_trace
}
 
fail() { #msg
    do_reset
    echo $1
    exit_fail
}
 
if [ ! -f set_event -o ! -d events/sched ]; then
    echo "event tracing is not supported"
    exit_unsupported
fi
 
if [ ! -f events/sched/sched_process_fork/trigger ]; then
    echo "event trigger is not supported"
    exit_unsupported
fi
 
reset_tracer
do_reset
 
FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
    echo "stacktrace trigger is not supported"
    exit_unsupported
fi
 
echo "Test stacktrace tigger"
echo 0 > trace
echo 0 > options/stacktrace
echo 'stacktrace' > events/sched/sched_process_fork/trigger
( echo "forked")
grep "<stack trace>" trace > /dev/null || \
    fail "stacktrace trigger on sched_process_fork did not work"
 
reset_trigger
 
echo "Test stacktrace semantic errors"
 
! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
echo "stacktrace" > events/sched/sched_process_fork/trigger
! echo "stacktrace" > events/sched/sched_process_fork/trigger
 
do_reset
 
exit 0