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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: event trigger - test trigger filter
   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 echo "Test trigger filter"
  22 echo 1 > tracing_on
  23 echo 'traceoff if child_pid == 0' > events/sched/sched_process_fork/trigger
  24 ( echo "forked")
  25 if [ `cat tracing_on` -ne 1 ]; then
  26     fail "traceoff trigger on sched_process_fork did not work"
  27 fi
  28
  29 reset_trigger
  30
  31 echo "Test semantic error for trigger filter"
  32 ! echo 'traceoff if a' > events/sched/sched_process_fork/trigger
  33 ! echo 'traceoff if common_pid=0' > events/sched/sched_process_fork/trigger
  34 ! echo 'traceoff if common_pid==b' > events/sched/sched_process_fork/trigger
  35 echo 'traceoff if common_pid == 0' > events/sched/sched_process_fork/trigger
  36 echo '!traceoff' > events/sched/sched_process_fork/trigger
  37 ! echo 'traceoff if common_pid == child_pid' > events/sched/sched_process_fork/trigger
  38 echo 'traceoff if common_pid <= 0' > events/sched/sched_process_fork/trigger
  39 echo '!traceoff' > events/sched/sched_process_fork/trigger
  40 echo 'traceoff if common_pid >= 0' > events/sched/sched_process_fork/trigger
  41 echo '!traceoff' > events/sched/sched_process_fork/trigger
  42 echo 'traceoff if parent_pid >= 0 && child_pid >= 0' > events/sched/sched_process_fork/trigger
  43 echo '!traceoff' > events/sched/sched_process_fork/trigger
  44 echo 'traceoff if parent_pid >= 0 || child_pid >= 0' > events/sched/sched_process_fork/trigger
  45 echo '!traceoff' > events/sched/sched_process_fork/trigger
  46
  47 exit 0