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perf testsuite probe: Add test for line semantics

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The perf-probe command uses a specific semantics to describe probes.
Test some patterns that are known to be both valid and invalid if
they are handled appropriately.

This test is run as a part of perftool-testsuite_probe test case.

Signed-off-by: Veronika Molnarova <vmolnaro@redhat.com>
Cc: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Cc: Ian Rogers <irogers@google.com>
Cc: Masami Hiramatsu <mhiramat@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Link: https://lore.kernel.org/r/20240702110849.31904-9-vmolnaro@redhat.com
Signed-off-by: Michael Petlan <mpetlan@redhat.com>
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
This commit is contained in:
Veronika Molnarova 2024-07-02 13:08:46 +02:00 committed by Arnaldo Carvalho de Melo
parent 83b6815dbb
commit c0964af816
1 changed files with 55 additions and 0 deletions
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55
tools/perf/tests/shell/base_probe/test_line_semantics.sh Executable file
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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# test_line_semantics of perf_probe test
# Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
# Author: Michael Petlan <mpetlan@redhat.com>
#
# Description:
#
# This test checks whether the semantic errors of line option's
# arguments are properly reported.
#
# include working environment
. ../common/init.sh
TEST_RESULT=0
if ! check_kprobes_available; then
print_overall_skipped
exit 0
fi
### acceptable --line descriptions
# testing acceptance of valid patterns for the '--line' option
VALID_PATTERNS="func func:10 func:0-10 func:2+10 func@source.c func@source.c:1 source.c:1 source.c:1+1 source.c:1-10"
for desc in $VALID_PATTERNS; do
! ( $CMD_PERF probe --line $desc 2>&1 | grep -q "Semantic error" )
CHECK_EXIT_CODE=$?
print_results 0 $CHECK_EXIT_CODE "acceptable descriptions :: $desc"
(( TEST_RESULT += $? ))
done
### unacceptable --line descriptions
# testing handling of invalid patterns for the '--line' option
INVALID_PATTERNS="func:foo func:1-foo func:1+foo func;lazy\*pattern"
for desc in $INVALID_PATTERNS; do
$CMD_PERF probe --line $desc 2>&1 | grep -q "Semantic error"
CHECK_EXIT_CODE=$?
print_results 0 $CHECK_EXIT_CODE "unacceptable descriptions :: $desc"
(( TEST_RESULT += $? ))
done
# print overall results
print_overall_results "$TEST_RESULT"
exit $?