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 do_reset() {
   6     reset_trigger
   7     echo > set_event
   8     clear_trace
   9 }
  10
  11 fail() { #msg
  12     do_reset
  13     echo $1
  14     exit $FAIL
  15 }
  16
  17 if [ ! -f set_event -o ! -d events/sched ]; then
  18     echo "event tracing is not supported"
  19     exit_unsupported
  20 fi
  21
  22 if [ ! -f events/sched/sched_process_fork/trigger ]; then
  23     echo "event trigger is not supported"
  24     exit_unsupported
  25 fi
  26
  27 reset_tracer
  28 do_reset
  29
  30 echo "Test traceoff trigger"
  31 echo 1 > tracing_on
  32 echo 'traceoff' > events/sched/sched_process_fork/trigger
  33 ( echo "forked")
  34 if [ `cat tracing_on` -ne 0 ]; then
  35     fail "traceoff trigger on sched_process_fork did not work"
  36 fi
  37
  38 reset_trigger
  39
  40 echo "Test traceon trigger"
  41 echo 0 > tracing_on
  42 echo 'traceon' > events/sched/sched_process_fork/trigger
  43 ( echo "forked")
  44 if [ `cat tracing_on` -ne 1 ]; then
  45     fail "traceoff trigger on sched_process_fork did not work"
  46 fi
  47
  48 reset_trigger
  49
  50 echo "Test semantic error for traceoff/on trigger"
  51 ! echo 'traceoff:badparam' > events/sched/sched_process_fork/trigger
  52 ! echo 'traceoff+0' > events/sched/sched_process_fork/trigger
  53 echo 'traceon' > events/sched/sched_process_fork/trigger
  54 ! echo 'traceon' > events/sched/sched_process_fork/trigger
  55 ! echo 'traceoff' > events/sched/sched_process_fork/trigger
  56
  57 do_reset
  58
  59 exit 0