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Commit | Line | Data |
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815b18ea NK |
1 | #!/bin/sh |
2 | # description: event tracing - enable/disable with top level files | |
3 | ||
4 | do_reset() { | |
5 | echo > set_event | |
6 | clear_trace | |
7 | } | |
8 | ||
9 | fail() { #msg | |
10 | do_reset | |
11 | echo $1 | |
44164c4b | 12 | exit $FAIL |
815b18ea NK |
13 | } |
14 | ||
2bfd4d1f NK |
15 | yield() { |
16 | ping localhost -c 1 || sleep .001 || usleep 1 || sleep 1 | |
17 | } | |
18 | ||
815b18ea NK |
19 | if [ ! -f available_events -o ! -f set_event -o ! -d events ]; then |
20 | echo "event tracing is not supported" | |
21 | exit_unsupported | |
22 | fi | |
23 | ||
24 | reset_tracer | |
25 | do_reset | |
26 | ||
27 | echo '*:*' > set_event | |
2bfd4d1f NK |
28 | |
29 | yield | |
30 | ||
1d0864db MH |
31 | echo 0 > tracing_on |
32 | ||
33 | count=`head -n 128 trace | grep -v ^# | wc -l` | |
815b18ea NK |
34 | if [ $count -eq 0 ]; then |
35 | fail "none of events are recorded" | |
36 | fi | |
37 | ||
38 | do_reset | |
39 | ||
40 | echo 1 > events/enable | |
1d0864db | 41 | echo 1 > tracing_on |
2bfd4d1f NK |
42 | |
43 | yield | |
44 | ||
1d0864db MH |
45 | echo 0 > tracing_on |
46 | count=`head -n 128 trace | grep -v ^# | wc -l` | |
815b18ea NK |
47 | if [ $count -eq 0 ]; then |
48 | fail "none of events are recorded" | |
49 | fi | |
50 | ||
51 | do_reset | |
52 | ||
53 | echo 0 > events/enable | |
2bfd4d1f NK |
54 | |
55 | yield | |
56 | ||
815b18ea NK |
57 | count=`cat trace | grep -v ^# | wc -l` |
58 | if [ $count -ne 0 ]; then | |
59 | fail "any of events should not be recorded" | |
60 | fi | |
61 | ||
62 | do_reset | |
63 | ||
64 | exit 0 |