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
#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test snapshot-trigger
# requires: set_event events/sched/sched_process_fork/trigger snapshot
fail() { #msg
echo $1
exit_fail
}
FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
if [ -z "$FEATURE" ]; then
echo "snapshot trigger is not supported"
exit_unsupported
fi
echo "Test snapshot trigger"
echo 0 > snapshot
echo 1 > events/sched/sched_process_fork/enable
( echo "forked")
echo 'snapshot:1' > events/sched/sched_process_fork/trigger
( echo "forked")
grep sched_process_fork snapshot > /dev/null || \
fail "snapshot trigger on sched_process_fork did not work"
reset_trigger
echo 0 > snapshot
echo 0 > events/sched/sched_process_fork/enable
echo "Test snapshot semantic errors"
! echo "snapshot+1" > events/sched/sched_process_fork/trigger
echo "snapshot" > events/sched/sched_process_fork/trigger
! echo "snapshot" > events/sched/sched_process_fork/trigger
exit 0