1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0
3 # description: event trigger - test snapshot-trigger
4 # requires: set_event events/sched/sched_process_fork/trigger snapshot
5
6 fail() { #msg
7 echo $1
8 exit_fail
9 }
10
11 FEATURE=`grep snapshot events/sched/sched_process_fork/trigger`
12 if [ -z "$FEATURE" ]; then
13 echo "snapshot trigger is not supported"
14 exit_unsupported
15 fi
16
17 echo "Test snapshot trigger"
18 echo 0 > snapshot
19 echo 1 > events/sched/sched_process_fork/enable
20 ( echo "forked")
21 echo 'snapshot:1' > events/sched/sched_process_fork/trigger
22 ( echo "forked")
23 grep sched_process_fork snapshot > /dev/null || \
24 fail "snapshot trigger on sched_process_fork did not work"
25
26 reset_trigger
27 echo 0 > snapshot
28 echo 0 > events/sched/sched_process_fork/enable
29
30 echo "Test snapshot semantic errors"
31
32 ! echo "snapshot+1" > events/sched/sched_process_fork/trigger
33 echo "snapshot" > events/sched/sched_process_fork/trigger
34 ! echo "snapshot" > events/sched/sched_process_fork/trigger
35
36 exit 0
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