tools/testing/selftests/ftrace/test.d/trigger/trigger-trace-marker-hist.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: trace_marker trigger - test histogram trigger
   4 # flags: instance
   5
   6 fail() { #msg
   7     echo $1
   8     exit_fail
   9 }
  10
  11 if [ ! -f set_event ]; then
  12     echo "event tracing is not supported"
  13     exit_unsupported
  14 fi
  15
  16 if [ ! -d events/ftrace/print ]; then
  17     echo "event trace_marker is not supported"
  18     exit_unsupported
  19 fi
  20
  21 if [ ! -f events/ftrace/print/trigger ]; then
  22     echo "event trigger is not supported"
  23     exit_unsupported
  24 fi
  25
  26 if [ ! -f events/ftrace/print/hist ]; then
  27     echo "hist trigger is not supported"
  28     exit_unsupported
  29 fi
  30
  31 echo "Test histogram trace_marker tigger"
  32
  33 echo 'hist:keys=common_pid' > events/ftrace/print/trigger
  34 for i in `seq 1 10` ; do echo "hello" > trace_marker; done
  35 grep 'hitcount: *10$' events/ftrace/print/hist > /dev/null || \
  36     fail "hist trigger did not trigger correct times on trace_marker"
  37
  38 exit 0