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

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: event trigger - test stacktrace-trigger
   4 # requires: set_event events/sched/sched_process_fork/trigger
   5
   6 fail() { #msg
   7     echo $1
   8     exit_fail
   9 }
  10
  11 FEATURE=`grep stacktrace events/sched/sched_process_fork/trigger`
  12 if [ -z "$FEATURE" ]; then
  13     echo "stacktrace trigger is not supported"
  14     exit_unsupported
  15 fi
  16
  17 echo "Test stacktrace trigger"
  18 echo 0 > trace
  19 echo 0 > options/stacktrace
  20 echo 'stacktrace' > events/sched/sched_process_fork/trigger
  21 ( echo "forked")
  22 grep "<stack trace>" trace > /dev/null || \
  23     fail "stacktrace trigger on sched_process_fork did not work"
  24
  25 reset_trigger
  26
  27 echo "Test stacktrace semantic errors"
  28
  29 ! echo "stacktrace:foo" > events/sched/sched_process_fork/trigger
  30 echo "stacktrace" > events/sched/sched_process_fork/trigger
  31 ! echo "stacktrace" > events/sched/sched_process_fork/trigger
  32
  33 exit 0