Resguardo inicial

linux-7.2.3/tools/perf/tests/shell/base_probe/test_adding_blacklisted.sh

@@ -0,0 +1,114 @@
+#!/bin/bash
+# perf_probe :: Reject blacklisted probes (exclusive)
+# SPDX-License-Identifier: GPL-2.0
+
+#
+#	test_adding_blacklisted of perf_probe test
+#	Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#
+#	Description:
+#
+#		Blacklisted functions should not be added successfully as probes,
+#	they must be skipped.
+#
+
+DIR_PATH="$(dirname $0)"
+TEST_RESULT=0
+
+# include working environment
+. "$DIR_PATH/../common/init.sh"
+
+# skip if not supported
+BLACKFUNC_LIST=`head -n 5 /sys/kernel/debug/kprobes/blacklist 2> /dev/null | cut -f2`
+if [ -z "$BLACKFUNC_LIST" ]; then
+	print_overall_skipped
+	exit 2
+fi
+
+# try to find vmlinux with DWARF debug info
+VMLINUX_FILE=$(perf probe -v random_probe |& grep "Using.*for symbols" | sed -r 's/^Using (.*) for symbols$/\1/')
+
+# remove all previously added probes
+clear_all_probes
+
+
+### adding blacklisted function
+REGEX_SCOPE_FAIL="Failed to find scope of probe point"
+REGEX_SKIP_MESSAGE=" is blacklisted function, skip it\."
+REGEX_NOT_FOUND_MESSAGE="Probe point \'$RE_EVENT\' not found."
+REGEX_ERROR_MESSAGE="Error: Failed to add events."
+REGEX_INVALID_ARGUMENT="Failed to write event: Invalid argument"
+REGEX_SYMBOL_FAIL="Failed to find symbol at $RE_ADDRESS"
+REGEX_OUT_SECTION="$RE_EVENT is out of \.\w+, skip it"
+REGEX_MISSING_DECL_LINE="A function DIE doesn't have decl_line. Maybe broken DWARF?"
+
+BLACKFUNC=""
+SKIP_DWARF=0
+
+for BLACKFUNC in $BLACKFUNC_LIST; do
+	echo "Probing $BLACKFUNC"
+
+	# functions from blacklist should be skipped by perf probe
+	! $CMD_PERF probe $BLACKFUNC > $LOGS_DIR/adding_blacklisted.log 2> $LOGS_DIR/adding_blacklisted.err
+	PERF_EXIT_CODE=$?
+
+	# check for bad DWARF polluting the result
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"$REGEX_MISSING_DECL_LINE" >/dev/null < $LOGS_DIR/adding_blacklisted.err
+
+	if [ $? -eq 0 ]; then
+		SKIP_DWARF=1
+		echo "Result polluted by broken DWARF, trying another probe"
+
+		# confirm that the broken DWARF comes from assembler
+		if [ -n "$VMLINUX_FILE" ]; then
+			readelf -wi "$VMLINUX_FILE" |
+			awk -v probe="$BLACKFUNC" '/DW_AT_language/ { comp_lang = $0 }
+						   $0 ~ probe { if (comp_lang) { print comp_lang }; exit }' |
+			grep -q "MIPS assembler"
+
+			CHECK_EXIT_CODE=$?
+			if [ $CHECK_EXIT_CODE -ne 0 ]; then
+				SKIP_DWARF=0 # broken DWARF while available
+				break
+			fi
+		fi
+	else
+		"$DIR_PATH/../common/check_all_lines_matched.pl" \
+			"$REGEX_SKIP_MESSAGE" "$REGEX_NOT_FOUND_MESSAGE" \
+			"$REGEX_ERROR_MESSAGE" "$REGEX_SCOPE_FAIL" \
+			"$REGEX_INVALID_ARGUMENT" "$REGEX_SYMBOL_FAIL" \
+			"$REGEX_OUT_SECTION" < $LOGS_DIR/adding_blacklisted.err
+		CHECK_EXIT_CODE=$?
+
+		SKIP_DWARF=0
+		break
+	fi
+done
+
+if [ $SKIP_DWARF -eq 1 ]; then
+	print_testcase_skipped "adding blacklisted function $BLACKFUNC"
+else
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "adding blacklisted function $BLACKFUNC"
+	(( TEST_RESULT += $? ))
+fi
+
+### listing not-added probe
+
+# blacklisted probes should NOT appear in perf-list output
+$CMD_PERF list probe:\* > $LOGS_DIR/adding_blacklisted_list.log
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"$RE_LINE_EMPTY" "List of pre-defined events" "Metric Groups:" \
+	< $LOGS_DIR/adding_blacklisted_list.log
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing blacklisted probe (should NOT be listed)"
+(( TEST_RESULT += $? ))
+
+
+# print overall results
+print_overall_results "$TEST_RESULT"
+exit $?

linux-7.2.3/tools/perf/tests/shell/base_probe/test_adding_kernel.sh

@@ -0,0 +1,346 @@
+#!/bin/bash
+# perf_probe :: Add probes, list and remove them (exclusive)
+# SPDX-License-Identifier: GPL-2.0
+
+#
+#	test_adding_kernel of perf_probe test
+#	Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#
+#	Description:
+#
+#		This test tests adding of probes, their correct listing
+#		and removing.
+#
+
+DIR_PATH="$(dirname $0)"
+TEST_RESULT=0
+
+# include working environment
+. "$DIR_PATH/../common/init.sh"
+
+# shellcheck source=lib/probe_vfs_getname.sh
+. "$DIR_PATH/../lib/probe_vfs_getname.sh"
+
+TEST_PROBE=${TEST_PROBE:-"inode_permission"}
+
+# set NO_DEBUGINFO to skip testcase if debuginfo is not present
+# skip_if_no_debuginfo returns 2 if debuginfo is not present
+skip_if_no_debuginfo
+if [ $? -eq 2 ]; then
+	NO_DEBUGINFO=1
+fi
+
+check_kprobes_available
+if [ $? -ne 0 ]; then
+	print_overall_skipped
+	exit 2
+fi
+
+
+### basic probe adding
+
+for opt in "" "-a" "--add"; do
+	clear_all_probes
+	$CMD_PERF probe $opt $TEST_PROBE 2> $LOGS_DIR/adding_kernel_add$opt.err
+	PERF_EXIT_CODE=$?
+
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"Added new events?:" "probe:$TEST_PROBE" "on $TEST_PROBE" \
+		< $LOGS_DIR/adding_kernel_add$opt.err
+	CHECK_EXIT_CODE=$?
+
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "adding probe $TEST_PROBE :: $opt"
+	(( TEST_RESULT += $? ))
+done
+
+
+### listing added probe :: perf list
+
+# any added probes should appear in perf-list output
+$CMD_PERF list probe:\* > $LOGS_DIR/adding_kernel_list.log
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"$RE_LINE_EMPTY" "List of pre-defined events" \
+	"probe:${TEST_PROBE}(?:_\d+)?\s+\[Tracepoint event\]" \
+	"Metric Groups:" < $LOGS_DIR/adding_kernel_list.log
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing added probe :: perf list"
+(( TEST_RESULT += $? ))
+
+
+### listing added probe :: perf probe -l
+
+# '-l' should list all the added probes as well
+$CMD_PERF probe -l > $LOGS_DIR/adding_kernel_list-l.log
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"\s*probe:${TEST_PROBE}(?:_\d+)?\s+\(on ${TEST_PROBE}(?:[:\+]$RE_NUMBER_HEX)?@.+\)" \
+	< $LOGS_DIR/adding_kernel_list-l.log
+CHECK_EXIT_CODE=$?
+
+if [ $NO_DEBUGINFO ] ; then
+	print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo"
+else
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing added probe :: perf probe -l"
+fi
+
+(( TEST_RESULT += $? ))
+
+
+### using added probe
+
+$CMD_PERF stat -e probe:$TEST_PROBE\* -o $LOGS_DIR/adding_kernel_using_probe.log -- cat /proc/uptime > /dev/null
+PERF_EXIT_CODE=$?
+
+REGEX_STAT_HEADER="\s*Performance counter stats for \'cat /proc/uptime\':"
+REGEX_STAT_VALUES="\s*\d+\s+probe:$TEST_PROBE"
+# the value should be greater than 1
+REGEX_STAT_VALUE_NONZERO="\s*[1-9][0-9]*\s+probe:$TEST_PROBE"
+REGEX_STAT_TIME="\s*$RE_NUMBER\s+seconds (?:time elapsed|user|sys)"
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"$REGEX_STAT_HEADER" "$REGEX_STAT_VALUES" "$REGEX_STAT_TIME" \
+	"$RE_LINE_COMMENT" "$RE_LINE_EMPTY" < $LOGS_DIR/adding_kernel_using_probe.log
+CHECK_EXIT_CODE=$?
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"$REGEX_STAT_HEADER" "$REGEX_STAT_VALUE_NONZERO" "$REGEX_STAT_TIME" \
+	< $LOGS_DIR/adding_kernel_using_probe.log
+(( CHECK_EXIT_CODE += $? ))
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "using added probe"
+(( TEST_RESULT += $? ))
+
+
+### removing added probe
+
+# '-d' should remove the probe
+$CMD_PERF probe -d $TEST_PROBE\* 2> $LOGS_DIR/adding_kernel_removing.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"Removed event: probe:$TEST_PROBE" < $LOGS_DIR/adding_kernel_removing.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "deleting added probe"
+(( TEST_RESULT += $? ))
+
+
+### listing removed probe
+
+# removed probes should NOT appear in perf-list output
+$CMD_PERF list probe:\* > $LOGS_DIR/adding_kernel_list_removed.log
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"$RE_LINE_EMPTY" "List of pre-defined events" "Metric Groups:" \
+	< $LOGS_DIR/adding_kernel_list_removed.log
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "listing removed probe (should NOT be listed)"
+(( TEST_RESULT += $? ))
+
+
+### dry run
+
+# the '-n' switch should run it in dry mode
+$CMD_PERF probe -n --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_dryrun.err
+PERF_EXIT_CODE=$?
+
+# check for the output (should be the same as usual)
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"Added new events?:" "probe:$TEST_PROBE" "on $TEST_PROBE" \
+	< $LOGS_DIR/adding_kernel_dryrun.err
+CHECK_EXIT_CODE=$?
+
+# check that no probe was added in real
+! ( $CMD_PERF probe -l | grep "probe:$TEST_PROBE" )
+(( CHECK_EXIT_CODE += $? ))
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "dry run :: adding probe"
+(( TEST_RESULT += $? ))
+
+
+### force-adding probes
+
+# when using '--force' a probe should be added even if it is already there
+$CMD_PERF probe --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_forceadd_01.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"Added new events?:" "probe:$TEST_PROBE" "on $TEST_PROBE" \
+	< $LOGS_DIR/adding_kernel_forceadd_01.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "force-adding probes :: first probe adding"
+(( TEST_RESULT += $? ))
+
+# adding existing probe without '--force' should fail
+! $CMD_PERF probe --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_forceadd_02.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"Error: event \"$TEST_PROBE\" already exists." \
+	"Error: Failed to add events." < $LOGS_DIR/adding_kernel_forceadd_02.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "force-adding probes :: second probe adding (without force)"
+(( TEST_RESULT += $? ))
+
+# adding existing probe with '--force' should pass
+NO_OF_PROBES=`$CMD_PERF probe -l $TEST_PROBE| wc -l`
+$CMD_PERF probe --force --add $TEST_PROBE 2> $LOGS_DIR/adding_kernel_forceadd_03.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"Added new events?:" "probe:${TEST_PROBE}_${NO_OF_PROBES}" \
+	"on $TEST_PROBE" < $LOGS_DIR/adding_kernel_forceadd_03.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "force-adding probes :: second probe adding (with force)"
+(( TEST_RESULT += $? ))
+
+
+### using doubled probe
+
+# since they are the same, they should produce the same results
+$CMD_PERF stat -e probe:$TEST_PROBE -e probe:${TEST_PROBE}_${NO_OF_PROBES} -x';' -o $LOGS_DIR/adding_kernel_using_two.log -- bash -c 'cat /proc/cpuinfo > /dev/null'
+PERF_EXIT_CODE=$?
+
+REGEX_LINE="$RE_NUMBER;+probe:${TEST_PROBE}_?(?:$NO_OF_PROBES)?;$RE_NUMBER;$RE_NUMBER"
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"$REGEX_LINE" "$RE_LINE_EMPTY" "$RE_LINE_COMMENT" \
+	< $LOGS_DIR/adding_kernel_using_two.log
+CHECK_EXIT_CODE=$?
+
+VALUE_1=`grep "$TEST_PROBE;" $LOGS_DIR/adding_kernel_using_two.log | awk -F';' '{print $1}'`
+VALUE_2=`grep "${TEST_PROBE}_${NO_OF_PROBES};" $LOGS_DIR/adding_kernel_using_two.log | awk -F';' '{print $1}'`
+
+test $VALUE_1 -eq $VALUE_2
+(( CHECK_EXIT_CODE += $? ))
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "using doubled probe"
+
+
+### removing multiple probes
+
+# using wildcards should remove all matching probes
+$CMD_PERF probe --del \* 2> $LOGS_DIR/adding_kernel_removing_wildcard.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"Removed event: probe:$TEST_PROBE" \
+	"Removed event: probe:${TEST_PROBE}_1" < $LOGS_DIR/adding_kernel_removing_wildcard.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "removing multiple probes"
+(( TEST_RESULT += $? ))
+
+
+### wildcard adding support
+
+$CMD_PERF probe -nf --max-probes=512 -a 'vfs_* $params' 2> $LOGS_DIR/adding_kernel_adding_wildcard.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"probe:vfs_mknod" "probe:vfs_create" "probe:vfs_rmdir" \
+	"probe:vfs_link" "probe:vfs_write" < $LOGS_DIR/adding_kernel_adding_wildcard.err
+CHECK_EXIT_CODE=$?
+
+if [ $NO_DEBUGINFO ] ; then
+	print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo"
+else
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "wildcard adding support"
+fi
+
+(( TEST_RESULT += $? ))
+
+
+### non-existing variable
+
+# perf probe should survive a non-existing variable probing attempt
+{ $CMD_PERF probe 'vfs_read somenonexistingrandomstuffwhichisalsoprettylongorevenlongertoexceed64' ; } 2> $LOGS_DIR/adding_kernel_nonexisting.err
+PERF_EXIT_CODE=$?
+
+# the exitcode should not be 0 or segfault
+test $PERF_EXIT_CODE -ne 139 -a $PERF_EXIT_CODE -ne 0
+PERF_EXIT_CODE=$?
+
+# check that the error message is reasonable
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"Failed to find" \
+	"somenonexistingrandomstuffwhichisalsoprettylongorevenlongertoexceed64" \
+	< $LOGS_DIR/adding_kernel_nonexisting.err
+CHECK_EXIT_CODE=$?
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"in this function|at this address" "Error" "Failed to add events" \
+	< $LOGS_DIR/adding_kernel_nonexisting.err
+(( CHECK_EXIT_CODE += $? ))
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"Failed to find" "Error" "Probe point .+ not found" "optimized out" \
+	"Use.+\-\-range option to show.+location range" \
+	< $LOGS_DIR/adding_kernel_nonexisting.err
+(( CHECK_EXIT_CODE += $? ))
+"$DIR_PATH/../common/check_no_patterns_found.pl" \
+	"$RE_SEGFAULT" < $LOGS_DIR/adding_kernel_nonexisting.err
+(( CHECK_EXIT_CODE += $? ))
+
+if [ $NO_DEBUGINFO ]; then
+	print_testcase_skipped $NO_DEBUGINFO $NO_DEBUGINFO "Skipped due to missing debuginfo"
+else
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "non-existing variable"
+fi
+
+(( TEST_RESULT += $? ))
+
+
+### function with return value
+
+# adding probe with return value
+$CMD_PERF probe --add "$TEST_PROBE%return \$retval" 2> $LOGS_DIR/adding_kernel_func_retval_add.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"Added new events?:" "probe:$TEST_PROBE" \
+	"on $TEST_PROBE%return with \\\$retval" \
+	< $LOGS_DIR/adding_kernel_func_retval_add.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "function with retval :: add"
+(( TEST_RESULT += $? ))
+
+# recording some data
+$CMD_PERF record -e probe:$TEST_PROBE\* -o $CURRENT_TEST_DIR/perf.data -- cat /proc/cpuinfo > /dev/null 2> $LOGS_DIR/adding_kernel_func_retval_record.err
+PERF_EXIT_CODE=$?
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"$RE_LINE_RECORD1" "$RE_LINE_RECORD2" \
+	< $LOGS_DIR/adding_kernel_func_retval_record.err
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "function with retval :: record"
+(( TEST_RESULT += $? ))
+
+# perf script should report the function calls with the correct arg values
+$CMD_PERF script -i $CURRENT_TEST_DIR/perf.data > $LOGS_DIR/adding_kernel_func_retval_script.log
+PERF_EXIT_CODE=$?
+
+REGEX_SCRIPT_LINE="\s*cat\s+$RE_NUMBER\s+\[$RE_NUMBER\]\s+$RE_NUMBER:\s+probe:$TEST_PROBE\w*:\s+\($RE_NUMBER_HEX\s+<\-\s+$RE_NUMBER_HEX\)\s+arg1=$RE_NUMBER_HEX"
+"$DIR_PATH/../common/check_all_lines_matched.pl" \
+	"$REGEX_SCRIPT_LINE" < $LOGS_DIR/adding_kernel_func_retval_script.log
+CHECK_EXIT_CODE=$?
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"$REGEX_SCRIPT_LINE" < $LOGS_DIR/adding_kernel_func_retval_script.log
+(( CHECK_EXIT_CODE += $? ))
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "function argument probing :: script"
+(( TEST_RESULT += $? ))
+
+
+clear_all_probes
+
+# print overall results
+print_overall_results "$TEST_RESULT"
+exit $?

linux-7.2.3/tools/perf/tests/shell/base_probe/test_basic.sh

@@ -0,0 +1,93 @@
+#!/bin/bash
+# perf_probe :: Basic perf probe functionality (exclusive)
+# SPDX-License-Identifier: GPL-2.0
+
+#
+#	test_basic of perf_probe test
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#	Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
+#
+#	Description:
+#
+#		This test tests basic functionality of perf probe command.
+#
+
+DIR_PATH="$(dirname $0)"
+TEST_RESULT=0
+
+# include working environment
+. "$DIR_PATH/../common/init.sh"
+
+if ! check_kprobes_available; then
+	print_overall_skipped
+	exit 2
+fi
+
+
+### help message
+
+if [ "$PARAM_GENERAL_HELP_TEXT_CHECK" = "y" ]; then
+	# test that a help message is shown and looks reasonable
+	$CMD_PERF probe --help > $LOGS_DIR/basic_helpmsg.log 2> $LOGS_DIR/basic_helpmsg.err
+	PERF_EXIT_CODE=$?
+
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"PERF-PROBE" "NAME" "SYNOPSIS" "DESCRIPTION" "OPTIONS" \
+		"PROBE\s+SYNTAX" "PROBE\s+ARGUMENT" "LINE\s+SYNTAX" \
+		< $LOGS_DIR/basic_helpmsg.log
+	CHECK_EXIT_CODE=$?
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"LAZY\s+MATCHING" "FILTER\s+PATTERN" "EXAMPLES" "SEE\s+ALSO" \
+		< $LOGS_DIR/basic_helpmsg.log
+	(( CHECK_EXIT_CODE += $? ))
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"vmlinux" "module=" "source=" "verbose" "quiet" "add=" "del=" \
+		"list.*EVENT" "line=" "vars=" "externs" < $LOGS_DIR/basic_helpmsg.log
+	(( CHECK_EXIT_CODE += $? ))
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"no-inlines" "funcs.*FILTER" "filter=FILTER" "force" "dry-run" \
+		"max-probes" "exec=" "demangle-kernel" < $LOGS_DIR/basic_helpmsg.log
+	(( CHECK_EXIT_CODE += $? ))
+	"$DIR_PATH/../common/check_no_patterns_found.pl" \
+		"No manual entry for" < $LOGS_DIR/basic_helpmsg.err
+	(( CHECK_EXIT_CODE += $? ))
+
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "help message"
+	(( TEST_RESULT += $? ))
+else
+	print_testcase_skipped "help message"
+fi
+
+
+### usage message
+
+# without any args perf-probe should print usage
+$CMD_PERF probe 2> $LOGS_DIR/basic_usage.log > /dev/null
+
+"$DIR_PATH/../common/check_all_patterns_found.pl" \
+	"[Uu]sage" "perf probe" "verbose" "quiet" "add" "del" "force" \
+	"line" "vars" "externs" "range" < $LOGS_DIR/basic_usage.log
+CHECK_EXIT_CODE=$?
+
+print_results 0 $CHECK_EXIT_CODE "usage message"
+(( TEST_RESULT += $? ))
+
+
+### quiet switch
+
+# '--quiet' should mute all output
+$CMD_PERF probe --quiet --add vfs_read > $LOGS_DIR/basic_quiet01.log 2> $LOGS_DIR/basic_quiet01.err
+PERF_EXIT_CODE=$?
+$CMD_PERF probe --quiet --del vfs_read > $LOGS_DIR/basic_quiet03.log 2> $LOGS_DIR/basic_quiet02.err
+(( PERF_EXIT_CODE += $? ))
+
+test "`cat $LOGS_DIR/basic_quiet*log $LOGS_DIR/basic_quiet*err | wc -l`" -eq 0
+CHECK_EXIT_CODE=$?
+
+print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "quiet switch"
+(( TEST_RESULT += $? ))
+
+
+# print overall results
+print_overall_results "$TEST_RESULT"
+exit $?

linux-7.2.3/tools/perf/tests/shell/base_probe/test_invalid_options.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+# perf_probe :: Reject invalid options (exclusive)
+# SPDX-License-Identifier: GPL-2.0
+
+#
+#	test_invalid_options of perf_probe test
+#	Author: Masami Hiramatsu <masami.hiramatsu.pt@hitachi.com>
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#
+#	Description:
+#
+#		This test checks whether the invalid and incompatible options are reported
+#
+
+DIR_PATH="$(dirname $0)"
+TEST_RESULT=0
+
+# include working environment
+. "$DIR_PATH/../common/init.sh"
+
+if ! check_kprobes_available; then
+	print_overall_skipped
+	exit 2
+fi
+
+# Check for presence of DWARF
+$CMD_PERF check feature -q dwarf
+[ $? -ne 0 ] && HINT_FAIL="Some of the tests need DWARF to run"
+
+### missing argument
+
+# some options require an argument
+for opt in '-a' '-d' '-L' '-V'; do
+	! $CMD_PERF probe $opt 2> $LOGS_DIR/invalid_options_missing_argument$opt.err
+	PERF_EXIT_CODE=$?
+
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"Error: switch .* requires a value" \
+		< $LOGS_DIR/invalid_options_missing_argument$opt.err
+	CHECK_EXIT_CODE=$?
+
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "missing argument for $opt"
+	(( TEST_RESULT += $? ))
+done
+
+
+### unnecessary argument
+
+# some options may omit the argument
+for opt in '-F' '-l'; do
+	$CMD_PERF probe -F > /dev/null 2> $LOGS_DIR/invalid_options_unnecessary_argument$opt.err
+	PERF_EXIT_CODE=$?
+
+	test ! -s $LOGS_DIR/invalid_options_unnecessary_argument$opt.err
+	CHECK_EXIT_CODE=$?
+
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "unnecessary argument for $opt"
+	(( TEST_RESULT += $? ))
+done
+
+
+### mutually exclusive options
+
+# some options are mutually exclusive
+test -e $LOGS_DIR/invalid_options_mutually_exclusive.log && rm -f $LOGS_DIR/invalid_options_mutually_exclusive.log
+for opt in '-a xxx -d xxx' '-a xxx -L foo' '-a xxx -V foo' '-a xxx -l' '-a xxx -F' \
+		'-d xxx -L foo' '-d xxx -V foo' '-d xxx -l' '-d xxx -F' \
+		'-L foo -V bar' '-L foo -l' '-L foo -F' '-V foo -l' '-V foo -F' '-l -F'; do
+	! $CMD_PERF probe $opt > /dev/null 2> $LOGS_DIR/aux.log
+	PERF_EXIT_CODE=$?
+
+	"$DIR_PATH/../common/check_all_patterns_found.pl" \
+		"Error: switch .+ cannot be used with switch .+" < $LOGS_DIR/aux.log
+	CHECK_EXIT_CODE=$?
+
+	print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "mutually exclusive options :: $opt"
+	(( TEST_RESULT += $? ))
+
+	# gather the logs
+	cat $LOGS_DIR/aux.log | grep "Error" >> $LOGS_DIR/invalid_options_mutually_exclusive.log
+done
+
+
+# print overall results
+print_overall_results "$TEST_RESULT" $HINT_FAIL
+exit $?

linux-7.2.3/tools/perf/tests/shell/base_probe/test_line_semantics.sh

@@ -0,0 +1,59 @@
+#!/bin/bash
+# perf_probe :: Check patterns for line semantics (exclusive)
+# 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.
+#
+
+DIR_PATH="$(dirname $0)"
+TEST_RESULT=0
+
+# include working environment
+. "$DIR_PATH/../common/init.sh"
+
+if ! check_kprobes_available; then
+	print_overall_skipped
+	exit 2
+fi
+
+# Check for presence of DWARF
+$CMD_PERF check feature -q dwarf
+[ $? -ne 0 ] && HINT_FAIL="Some of the tests need DWARF to run"
+
+### 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" $HINT_FAIL
+exit $?