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 # requires: set_event events/sched/sched_process_fork/trigger
   5 # flags: instance
   6
   7 fail() { #msg
   8     echo $1
   9     exit_fail
  10 }
  11
  12 FEATURE=`grep enable_event events/sched/sched_process_fork/trigger`
  13 if [ -z "$FEATURE" ]; then
  14     echo "event enable/disable trigger is not supported"
  15     exit_unsupported
  16 fi
  17
  18 echo "Test enable_event trigger"
  19 echo 0 > events/sched/sched_switch/enable
  20 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  21 ( echo "forked")
  22 if [ `cat events/sched/sched_switch/enable` != '1*' ]; then
  23     fail "enable_event trigger on sched_process_fork did not work"
  24 fi
  25
  26 reset_trigger
  27
  28 echo "Test disable_event trigger"
  29 echo 1 > events/sched/sched_switch/enable
  30 echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  31 ( echo "forked")
  32 if [ `cat events/sched/sched_switch/enable` != '0*' ]; then
  33     fail "disable_event trigger on sched_process_fork did not work"
  34 fi
  35
  36 reset_trigger
  37
  38 echo "Test semantic error for event enable/disable trigger"
  39 ! echo 'enable_event:nogroup:noevent' > events/sched/sched_process_fork/trigger
  40 ! echo 'disable_event+1' > events/sched/sched_process_fork/trigger
  41 echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  42 ! echo 'enable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  43 ! echo 'disable_event:sched:sched_switch' > events/sched/sched_process_fork/trigger
  44
  45 exit 0