tools/testing/selftests/ftrace/test.d/trigger/inter-event/trigger-synthetic-event-syntax.tc

   1 #!/bin/sh
   2 # SPDX-License-Identifier: GPL-2.0
   3 # description: event trigger - test synthetic_events syntax parser
   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 ]; then
  18     echo "event tracing is not supported"
  19     exit_unsupported
  20 fi
  21
  22 if [ ! -f synthetic_events ]; then
  23     echo "synthetic event is not supported"
  24     exit_unsupported
  25 fi
  26
  27 reset_tracer
  28 do_reset
  29
  30 echo "Test synthetic_events syntax parser"
  31
  32 echo > synthetic_events
  33
  34 # synthetic event must have a field
  35 ! echo "myevent" >> synthetic_events
  36 echo "myevent u64 var1" >> synthetic_events
  37
  38 # synthetic event must be found in synthetic_events
  39 grep "myevent[[:space:]]u64 var1" synthetic_events
  40
  41 # it is not possible to add same name event
  42 ! echo "myevent u64 var2" >> synthetic_events
  43
  44 # Non-append open will cleanup all events and add new one
  45 echo "myevent u64 var2" > synthetic_events
  46
  47 # multiple fields with different spaces
  48 echo "myevent u64 var1; u64 var2;" > synthetic_events
  49 grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
  50 echo "myevent u64 var1 ; u64 var2 ;" > synthetic_events
  51 grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
  52 echo "myevent u64 var1 ;u64 var2" > synthetic_events
  53 grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events
  54
  55 # test field types
  56 echo "myevent u32 var" > synthetic_events
  57 echo "myevent u16 var" > synthetic_events
  58 echo "myevent u8 var" > synthetic_events
  59 echo "myevent s64 var" > synthetic_events
  60 echo "myevent s32 var" > synthetic_events
  61 echo "myevent s16 var" > synthetic_events
  62 echo "myevent s8 var" > synthetic_events
  63
  64 echo "myevent char var" > synthetic_events
  65 echo "myevent int var" > synthetic_events
  66 echo "myevent long var" > synthetic_events
  67 echo "myevent pid_t var" > synthetic_events
  68
  69 echo "myevent unsigned char var" > synthetic_events
  70 echo "myevent unsigned int var" > synthetic_events
  71 echo "myevent unsigned long var" > synthetic_events
  72 grep "myevent[[:space:]]unsigned long var" synthetic_events
  73
  74 # test string type
  75 echo "myevent char var[10]" > synthetic_events
  76 grep "myevent[[:space:]]char\[10\] var" synthetic_events
  77
  78 do_reset
  79
  80 exit 0