1 #!/bin/sh 1 #!/bin/sh
2 # SPDX-License-Identifier: GPL-2.0 2 # SPDX-License-Identifier: GPL-2.0
3 # description: event tracing - enable/disable 3 # description: event tracing - enable/disable with top level files
4 # requires: available_events set_event events/ 4 # requires: available_events set_event events/enable
5 5
6 do_reset() { 6 do_reset() {
7 echo > set_event 7 echo > set_event
8 clear_trace 8 clear_trace
9 } 9 }
10 10
11 fail() { #msg 11 fail() { #msg
12 echo $1 12 echo $1
13 exit_fail 13 exit_fail
14 } 14 }
15 15
16 echo '*:*' > set_event 16 echo '*:*' > set_event
17 17
18 yield 18 yield
19 19
20 echo 0 > tracing_on 20 echo 0 > tracing_on
21 21
22 count=`head -n 128 trace | grep -v ^# | wc -l` 22 count=`head -n 128 trace | grep -v ^# | wc -l`
23 if [ $count -eq 0 ]; then 23 if [ $count -eq 0 ]; then
24 fail "none of events are recorded" 24 fail "none of events are recorded"
25 fi 25 fi
26 26
27 do_reset 27 do_reset
28 28
29 echo 1 > events/enable 29 echo 1 > events/enable
30 echo 1 > tracing_on 30 echo 1 > tracing_on
31 31
32 yield 32 yield
33 33
34 echo 0 > tracing_on 34 echo 0 > tracing_on
35 count=`head -n 128 trace | grep -v ^# | wc -l` 35 count=`head -n 128 trace | grep -v ^# | wc -l`
36 if [ $count -eq 0 ]; then 36 if [ $count -eq 0 ]; then
37 fail "none of events are recorded" 37 fail "none of events are recorded"
38 fi 38 fi
39 39
40 do_reset 40 do_reset
41 41
42 echo 0 > events/enable 42 echo 0 > events/enable
43 43
44 yield 44 yield
45 45
46 count=`cat trace | grep -v ^# | wc -l` 46 count=`cat trace | grep -v ^# | wc -l`
47 if [ $count -ne 0 ]; then 47 if [ $count -ne 0 ]; then
48 fail "any of events should not be recorded 48 fail "any of events should not be recorded"
49 fi 49 fi
50 50
51 exit 0 51 exit 0
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.