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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: event trigger - test traceon/off trigger
   4
   5 fail() { #msg
   6     echo $1
   7     exit_fail
   8 }
   9
  10 if [ ! -f set_event -o ! -d events/sched ]; then
  11     echo "event tracing is not supported"
  12     exit_unsupported
  13 fi
  14
  15 if [ ! -f events/sched/sched_process_fork/trigger ]; then
  16     echo "event trigger is not supported"
  17     exit_unsupported
  18 fi
  19
  20 echo "Test traceoff trigger"
  21 echo 1 > tracing_on
  22 echo 'traceoff' > events/sched/sched_process_fork/trigger
  23 ( echo "forked")
  24 if [ `cat tracing_on` -ne 0 ]; then
  25     fail "traceoff trigger on sched_process_fork did not work"
  26 fi
  27
  28 reset_trigger
  29
  30 echo "Test traceon trigger"
  31 echo 0 > tracing_on
  32 echo 'traceon' > events/sched/sched_process_fork/trigger
  33 ( echo "forked")
  34 if [ `cat tracing_on` -ne 1 ]; then
  35     fail "traceoff trigger on sched_process_fork did not work"
  36 fi
  37
  38 reset_trigger
  39
  40 echo "Test semantic error for traceoff/on trigger"
  41 ! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
  42 ! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
  43 echo 'traceon' > events/sched/sched_process_fork/trigger
  44 ! echo 'traceon' > events/sched/sched_process_fork/trigger
  45 ! echo 'traceoff' > events/sched/sched_process_fork/trigger
  46
  47 exit 0