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