tools/testing/selftests/ftrace/test.d/dynevent/add_remove_synth.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: Generic dynamic event - add/remove synthetic events
   4 # requires: dynamic_events "s:[synthetic/]":README
   5
   6 echo 0 > events/enable
   7 echo > dynamic_events
   8
   9 echo "s:latency1 u64 lat; pid_t pid;" >> dynamic_events
  10 echo "s:latency2 u64 lat; pid_t pid;" >> dynamic_events
  11
  12 grep -q latency1 dynamic_events
  13 grep -q latency2 dynamic_events
  14 test -d events/synthetic/latency1
  15 test -d events/synthetic/latency2
  16
  17 echo "-:synthetic/latency2" >> dynamic_events
  18
  19 grep -q latency1 dynamic_events
  20 ! grep -q latency2 dynamic_events
  21
  22 echo > dynamic_events
  23
  24 clear_trace