selftests: ftrace: Add synthetic event syntax testcase

#!/bin/sh

# SPDX-License-Identifier: GPL-2.0

# description: event trigger - test synthetic_events syntax parser

do_reset() {

    reset_trigger

    echo > set_event

    clear_trace

}

fail() { #msg

    do_reset

    echo $1

    exit_fail

}

if [ ! -f set_event ]; then

    echo "event tracing is not supported"

    exit_unsupported

fi

if [ ! -f synthetic_events ]; then

    echo "synthetic event is not supported"

    exit_unsupported

fi

reset_tracer

do_reset

echo "Test synthetic_events syntax parser"

echo > synthetic_events

# synthetic event must have a field

! echo "myevent" >> synthetic_events

echo "myevent u64 var1" >> synthetic_events

# synthetic event must be found in synthetic_events

grep "myevent[[:space:]]u64 var1" synthetic_events

# it is not possible to add same name event

! echo "myevent u64 var2" >> synthetic_events

# Non-append open will cleanup all events and add new one

echo "myevent u64 var2" > synthetic_events

# multiple fields with different spaces

echo "myevent u64 var1; u64 var2;" > synthetic_events

grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events

echo "myevent u64 var1 ; u64 var2 ;" > synthetic_events

grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events

echo "myevent u64 var1 ;u64 var2" > synthetic_events

grep "myevent[[:space:]]u64 var1; u64 var2" synthetic_events

# test field types

echo "myevent u32 var" > synthetic_events

echo "myevent u16 var" > synthetic_events

echo "myevent u8 var" > synthetic_events

echo "myevent s64 var" > synthetic_events

echo "myevent s32 var" > synthetic_events

echo "myevent s16 var" > synthetic_events

echo "myevent s8 var" > synthetic_events

echo "myevent char var" > synthetic_events

echo "myevent int var" > synthetic_events

echo "myevent long var" > synthetic_events

echo "myevent pid_t var" > synthetic_events

echo "myevent unsigned char var" > synthetic_events

echo "myevent unsigned int var" > synthetic_events

echo "myevent unsigned long var" > synthetic_events

grep "myevent[[:space:]]unsigned long var" synthetic_events

# test string type

echo "myevent char var[10]" > synthetic_events

grep "myevent[[:space:]]char\[10\] var" synthetic_events

do_reset

exit 0