tools/testing/selftests/ftrace/test.d/trigger/trigger-eventonoff.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: event trigger - test event enable/disable trigger
   4 # flags: instance
   5
   6 fail() { #msg
   7     echo $1
   8     exit_fail
   9 }
  10
  11 if [ ! -f set_event -o ! -d events/sched ]; then
  12     echo "event tracing is not supported"
  13     exit_unsupported
  14 fi
  15
  16 if [ ! -f events/sched/sched_process_fork/trigger ]; then
  17     echo "event trigger is not supported"
  18     exit_unsupported
  19 fi
  20
  21 FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
  22 if [ -z "$FEATURE" ]; then
  23     echo "event enable/disable trigger is not supported"
  24     exit_unsupported
  25 fi
  26
  27 echo "Test enable_event trigger"
  28 echo 0 > events/sched/sched_switch/enable
  29 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  30 ( echo "forked")
  31 if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
  32     fail "enable_event trigger on sched_process_fork did not work"
  33 fi
  34
  35 reset_trigger
  36
  37 echo "Test disable_event trigger"
  38 echo 1 > events/sched/sched_switch/enable
  39 echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  40 ( echo "forked")
  41 if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
  42     fail "disable_event trigger on sched_process_fork did not work"
  43 fi
  44
  45 reset_trigger
  46
  47 echo "Test semantic error for event enable/disable trigger"
  48 ! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
  49 ! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
  50 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  51 ! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  52 ! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  53
  54 exit 0