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tracing: Add new testcases for hist trigger parsing errors

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Add a testcase ensuring that the tracing error_log correctly displays
hist trigger parsing errors.

Link: http://lkml.kernel.org/r/62ec58d9aca661cde46ba678e32a938427945e9e.1561743018.git.zanussi@kernel.org

Reviewed-by: Masami Hiramatsu <mhiramat@kernel.org>
Signed-off-by: Tom Zanussi <zanussi@kernel.org>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>
This commit is contained in:
Tom Zanussi 2019-06-28 12:40:23 -05:00 committed by Steven Rostedt (VMware)
parent d0a497066f
commit 34f71a4a2d
1 changed files with 32 additions and 0 deletions
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32
tools/testing/selftests/ftrace/test.d/trigger/trigger-hist-syntax-errors.tc Normal file
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#!/bin/sh
# SPDX-License-Identifier: GPL-2.0
# description: event trigger - test histogram parser errors
if [ ! -f set_event -o ! -d events/kmem ]; then
echo "event tracing is not supported"
exit_unsupported
fi
if [ ! -f events/kmem/kmalloc/trigger ]; then
echo "event trigger is not supported"
exit_unsupported
fi
if [ ! -f events/kmem/kmalloc/hist ]; then
echo "hist trigger is not supported"
exit_unsupported
fi
[ -f error_log ] || exit_unsupported
check_error() { # command-with-error-pos-by-^
ftrace_errlog_check 'hist:kmem:kmalloc' "$1" 'events/kmem/kmalloc/trigger'
}
check_error 'hist:keys=common_pid:vals=bytes_req:sort=common_pid,^junk' # INVALID_SORT_FIELD
check_error 'hist:keys=common_pid:vals=bytes_req:^sort=' # EMPTY_ASSIGNMENT
check_error 'hist:keys=common_pid:vals=bytes_req:^sort=common_pid,' # EMPTY_SORT_FIELD
check_error 'hist:keys=common_pid:vals=bytes_req:sort=common_pid.^junk' # INVALID_SORT_MODIFIER
check_error 'hist:keys=common_pid:vals=bytes_req,bytes_alloc:^sort=common_pid,bytes_req,bytes_alloc' # TOO_MANY_SORT_FIELDS
exit 0