Resguardo inicial

linux-7.2.3/tools/perf/tests/shell/common/check_all_lines_matched.pl

@@ -0,0 +1,39 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+
+@regexps = @ARGV;
+
+$max_printed_lines = 20;
+$max_printed_lines = $ENV{TESTLOG_ERR_MSG_MAX_LINES} if (defined $ENV{TESTLOG_ERR_MSG_MAX_LINES});
+
+$quiet = 1;
+$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2);
+
+$passed = 1;
+$lines_printed = 0;
+
+while (<STDIN>)
+{
+	s/\n//;
+
+	$line_matched = 0;
+	for $r (@regexps)
+	{
+		if (/$r/)
+		{
+			$line_matched = 1;
+			last;
+		}
+	}
+
+	unless ($line_matched)
+	{
+		if ($lines_printed++ < $max_printed_lines)
+		{
+			print "Line did not match any pattern: \"$_\"\n" unless $quiet;
+		}
+		$passed = 0;
+	}
+}
+
+exit ($passed == 0);

linux-7.2.3/tools/perf/tests/shell/common/check_all_patterns_found.pl

@@ -0,0 +1,34 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+
+@regexps = @ARGV;
+
+$quiet = 1;
+$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2);
+
+%found = ();
+$passed = 1;
+
+while (<STDIN>)
+{
+	s/\n//;
+
+	for $r (@regexps)
+	{
+		if (/$r/)
+		{
+			$found{$r} = 1;	# FIXME: maybe add counters -- how many times was the regexp matched
+		}
+	}
+}
+
+for $r (@regexps)
+{
+	unless (exists $found{$r})
+	{
+		print "Regexp not found: \"$r\"\n" unless $quiet;
+		$passed = 0;
+	}
+}
+
+exit ($passed == 0);

linux-7.2.3/tools/perf/tests/shell/common/check_errors_whitelisted.pl

@@ -0,0 +1,51 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+
+$whitelist_file = shift;
+
+if (defined $whitelist_file)
+{
+	open (INFILE, $whitelist_file) or die "Checker error: Unable to open the whitelist file: $whitelist_file\n";
+	@regexps = <INFILE>;
+	close INFILE or die "Checker error: Unable to close the whitelist file: $whitelist_file\n";
+}
+else
+{
+	@regexps = ();
+}
+
+$max_printed_lines = 20;
+$max_printed_lines = $ENV{TESTLOG_ERR_MSG_MAX_LINES} if (defined $ENV{TESTLOG_ERR_MSG_MAX_LINES});
+
+$quiet = 1;
+$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2);
+
+$passed = 1;
+$lines_printed = 0;
+
+while (<STDIN>)
+{
+	s/\n//;
+
+	$line_matched = 0;
+	for $r (@regexps)
+	{
+		chomp $r;
+		if (/$r/)
+		{
+			$line_matched = 1;
+			last;
+		}
+	}
+
+	unless ($line_matched)
+	{
+		if ($lines_printed++ < $max_printed_lines)
+		{
+			print "Line did not match any pattern: \"$_\"\n" unless $quiet;
+		}
+		$passed = 0;
+	}
+}
+
+exit ($passed == 0);

linux-7.2.3/tools/perf/tests/shell/common/check_no_patterns_found.pl

@@ -0,0 +1,34 @@
+#!/usr/bin/perl
+# SPDX-License-Identifier: GPL-2.0
+
+@regexps = @ARGV;
+
+$quiet = 1;
+$quiet = 0 if (defined $ENV{TESTLOG_VERBOSITY} && $ENV{TESTLOG_VERBOSITY} ge 2);
+
+%found = ();
+$passed = 1;
+
+while (<STDIN>)
+{
+	s/\n//;
+
+	for $r (@regexps)
+	{
+		if (/$r/)
+		{
+			$found{$r} = 1;
+		}
+	}
+}
+
+for $r (@regexps)
+{
+	if (exists $found{$r})
+	{
+		print "Regexp found: \"$r\"\n" unless $quiet;
+		$passed = 0;
+	}
+}
+
+exit ($passed == 0);

linux-7.2.3/tools/perf/tests/shell/common/init.sh

@@ -0,0 +1,143 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+#	init.sh
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#
+#	Description:
+#
+#		This file should be used for initialization of basic functions
+#	for checking, reporting results etc.
+#
+#
+
+
+. "$(dirname $0)/../common/settings.sh"
+. "$(dirname $0)/../common/patterns.sh"
+
+THIS_TEST_NAME=`basename $0 .sh`
+
+_echo()
+{
+	test "$TESTLOG_VERBOSITY" -ne 0 && echo -e "$@"
+}
+
+print_results()
+{
+	PERF_RETVAL="$1"; shift
+	CHECK_RETVAL="$1"; shift
+	FAILURE_REASON=""
+	TASK_COMMENT="$*"
+	if [ $PERF_RETVAL -eq 0 ] && [ $CHECK_RETVAL -eq 0 ]; then
+		_echo "$MPASS-- [ PASS ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT"
+		return 0
+	else
+		if [ $PERF_RETVAL -ne 0 ]; then
+			FAILURE_REASON="command exitcode"
+		fi
+		if [ $CHECK_RETVAL -ne 0 ]; then
+			test -n "$FAILURE_REASON" && FAILURE_REASON="$FAILURE_REASON + "
+			FAILURE_REASON="$FAILURE_REASON""output regexp parsing"
+		fi
+		_echo "$MFAIL-- [ FAIL ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT ($FAILURE_REASON)"
+		return 1
+	fi
+}
+
+print_overall_results()
+{
+	RETVAL="$1"; shift
+	TASK_COMMENT="$*"
+	test -n "$TASK_COMMENT" && TASK_COMMENT=":: $TASK_COMMENT"
+
+	if [ $RETVAL -eq 0 ]; then
+		_echo "$MALLPASS## [ PASS ] ##$MEND $TEST_NAME :: $THIS_TEST_NAME SUMMARY"
+	else
+		_echo "$MALLFAIL## [ FAIL ] ##$MEND $TEST_NAME :: $THIS_TEST_NAME SUMMARY :: $RETVAL failures found $TASK_COMMENT"
+	fi
+	return $RETVAL
+}
+
+print_testcase_skipped()
+{
+	TASK_COMMENT="$*"
+	_echo "$MSKIP-- [ SKIP ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $TASK_COMMENT :: testcase skipped"
+	return 0
+}
+
+print_overall_skipped()
+{
+	_echo "$MSKIP## [ SKIP ] ##$MEND $TEST_NAME :: $THIS_TEST_NAME :: testcase skipped"
+	return 0
+}
+
+print_warning()
+{
+	WARN_COMMENT="$*"
+	_echo "$MWARN-- [ WARN ] --$MEND $TEST_NAME :: $THIS_TEST_NAME :: $WARN_COMMENT"
+	return 0
+}
+
+# this function should skip a testcase if the testsuite is not run in
+# a runmode that fits the testcase --> if the suite runs in BASIC mode
+# all STANDARD and EXPERIMENTAL testcases will be skipped; if the suite
+# runs in STANDARD mode, all EXPERIMENTAL testcases will be skipped and
+# if the suite runs in EXPERIMENTAL mode, nothing is skipped
+consider_skipping()
+{
+	TESTCASE_RUNMODE="$1"
+	# the runmode of a testcase needs to be at least the current suite's runmode
+	if [ $PERFTOOL_TESTSUITE_RUNMODE -lt $TESTCASE_RUNMODE ]; then
+		print_overall_skipped
+		exit 2
+	fi
+}
+
+detect_baremetal()
+{
+	# return values:
+	# 0 = bare metal
+	# 1 = virtualization detected
+	# 2 = unknown state
+	VIRT=`systemd-detect-virt 2>/dev/null`
+	test $? -eq 127 && return 2
+	test "$VIRT" = "none"
+}
+
+detect_intel()
+{
+	# return values:
+	# 0 = is Intel
+	# 1 = is not Intel or unknown
+	grep "vendor_id" < /proc/cpuinfo | grep -q "GenuineIntel"
+}
+
+detect_amd()
+{
+	# return values:
+	# 0 = is AMD
+	# 1 = is not AMD or unknown
+	grep "vendor_id" < /proc/cpuinfo | grep -q "AMD"
+}
+
+# base probe utility
+check_kprobes_available()
+{
+	test -e /sys/kernel/debug/tracing/kprobe_events
+}
+
+check_uprobes_available()
+{
+	test -e /sys/kernel/debug/tracing/uprobe_events
+}
+
+clear_all_probes()
+{
+	echo 0 > /sys/kernel/debug/tracing/events/enable
+	check_kprobes_available && echo > /sys/kernel/debug/tracing/kprobe_events
+	check_uprobes_available && echo > /sys/kernel/debug/tracing/uprobe_events
+}
+
+check_sdt_support()
+{
+	$CMD_PERF list sdt | grep sdt > /dev/null 2> /dev/null
+}

linux-7.2.3/tools/perf/tests/shell/common/patterns.sh

@@ -0,0 +1,268 @@
+# SPDX-License-Identifier: GPL-2.0
+
+export RE_NUMBER="[0-9\.]+"
+# Number
+# Examples:
+#    123.456
+
+
+export RE_NUMBER_HEX="[0-9A-Fa-f]+"
+# Hexadecimal number
+# Examples:
+#    1234
+#    a58d
+#    aBcD
+#    deadbeef
+
+
+export RE_DATE_YYYYMMDD="[0-9]{4}-(?:(?:01|03|05|07|08|10|12)-(?:[0-2][0-9]|3[0-1])|02-[0-2][0-9]|(?:(?:04|06|09|11)-(?:[0-2][0-9]|30)))"
+# Date in YYYY-MM-DD form
+# Examples:
+#    1990-02-29
+#    0015-07-31
+#    2456-12-31
+#!   2012-13-01
+#!   1963-09-31
+
+
+export RE_TIME="(?:[0-1][0-9]|2[0-3]):[0-5][0-9]:[0-5][0-9]"
+# Time
+# Examples:
+#    15:12:27
+#    23:59:59
+#!   24:00:00
+#!   11:25:60
+#!   17:60:15
+
+
+export RE_DATE_TIME="\w+\s+\w+\s+$RE_NUMBER\s+$RE_TIME\s+$RE_NUMBER"
+# Time and date
+# Examples:
+#    Wed Feb 12 10:46:26 2020
+#    Mon Mar  2 13:27:06 2020
+#!   St úno 12 10:57:21 CET 2020
+#!   Po úno 14 15:17:32 2010
+
+
+export RE_ADDRESS="0x$RE_NUMBER_HEX"
+# Memory address
+# Examples:
+#    0x123abc
+#    0xffffffff9abe8ae8
+#    0x0
+
+
+export RE_ADDRESS_NOT_NULL="0x[0-9A-Fa-f]*[1-9A-Fa-f]+[0-9A-Fa-f]*"
+# Memory address (not NULL)
+# Examples:
+#    0xffffffff9abe8ae8
+#!   0x0
+#!   0x0000000000000000
+
+export RE_PROCESS_PID="[^\/]+\/\d+"
+# A process with PID
+# Example:
+#    sleep/4102
+#    test_overhead./866185
+#    in:imjournal/1096
+#    random#$& test/866607
+
+export RE_EVENT_ANY="[\w\-\:\/_=,]+"
+# Name of any event (universal)
+# Examples:
+#    cpu-cycles
+#    cpu/event=12,umask=34/
+#    r41e1
+#    nfs:nfs_getattr_enter
+
+
+export RE_EVENT="[\w\-:_]+"
+# Name of an usual event
+# Examples:
+#    cpu-cycles
+
+
+export RE_EVENT_RAW="r$RE_NUMBER_HEX"
+# Specification of a raw event
+# Examples:
+#    r41e1
+#    r1a
+
+
+export RE_EVENT_CPU="cpu/(\w+=$RE_NUMBER_HEX,?)+/p*"
+# Specification of a CPU event
+# Examples:
+#    cpu/event=12,umask=34/pp
+
+
+export RE_EVENT_UNCORE="uncore/[\w_]+/"
+# Specification of an uncore event
+# Examples:
+#    uncore/qhl_request_local_reads/
+
+
+export RE_EVENT_SUBSYSTEM="[\w\-]+:[\w\-]+"
+# Name of an event from subsystem
+# Examples:
+#    ext4:ext4_ordered_write_end
+#    sched:sched_switch
+
+
+export RE_FILE_NAME="[\w\+\.-]+"
+# A filename
+# Examples:
+#    libstdc++.so.6
+#!   some/path
+
+
+export RE_PATH_ABSOLUTE="(?:\/$RE_FILE_NAME)+"
+# A full filepath
+# Examples:
+#    /usr/lib64/somelib.so.5.4.0
+#    /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko
+#    /usr/bin/mv
+#!   some/relative/path
+#!   ./some/relative/path
+
+
+export RE_PATH="(?:$RE_FILE_NAME)?$RE_PATH_ABSOLUTE"
+# A filepath
+# Examples:
+#    /usr/lib64/somelib.so.5.4.0
+#    /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko
+#    ./.emacs
+#    src/fs/file.c
+
+
+export RE_DSO="(?:$RE_PATH_ABSOLUTE(?: \(deleted\))?|\[kernel\.kallsyms\]|\[unknown\]|\[vdso\]|\[kernel\.vmlinux\][\.\w]*)"
+# A DSO name in various result tables
+# Examples:
+#    /usr/lib64/somelib.so.5.4.0
+#    /usr/bin/somebinart (deleted)
+#    /lib/modules/4.3.0-rc5/kernel/fs/xfs/xfs.ko
+#    [kernel.kallsyms]
+#    [kernel.vmlinux]
+#    [vdso]
+#    [unknown]
+
+
+export RE_LINE_COMMENT="^#.*"
+# A comment line
+# Examples:
+#    # Started on Thu Sep 10 11:43:00 2015
+
+
+export RE_LINE_EMPTY="^\s*$"
+# An empty line with possible whitespaces
+# Examples:
+#
+
+
+export RE_LINE_RECORD1="^\[\s+perf\s+record:\s+Woken up $RE_NUMBER times? to write data\s+\].*$"
+# The first line of perf-record "OK" output
+# Examples:
+#    [ perf record: Woken up 1 times to write data ]
+
+
+export RE_LINE_RECORD2="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s*\(~?$RE_NUMBER samples\)\s+\].*$"
+# The second line of perf-record "OK" output
+# Examples:
+#    [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ]
+
+
+export RE_LINE_RECORD2_TOLERANT="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\.data(?:\.\d+)?\s*(?:\(~?$RE_NUMBER samples\))?\s+\].*$"
+# The second line of perf-record "OK" output, even no samples is OK here
+# Examples:
+#    [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB perf.data (~109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB /some/temp/dir/perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB ./perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB ./perf.data.3 (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB perf.data ]
+
+
+export RE_LINE_RECORD2_TOLERANT_FILENAME="^\[\s+perf\s+record:\s+Captured and wrote $RE_NUMBER\s*MB\s+(?:[\w\+\.-]*(?:$RE_PATH)?\/)?perf\w*\.data(?:\.\d+)?\s*\(~?$RE_NUMBER samples\)\s+\].*$"
+# The second line of perf-record "OK" output
+# Examples:
+#    [ perf record: Captured and wrote 0.405 MB perf.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB perf_ls.data (~109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB perf_aNyCaSe.data (109 samples) ]
+#    [ perf record: Captured and wrote 0.405 MB ./perfdata.data.3 (109 samples) ]
+#!    [ perf record: Captured and wrote 0.405 MB /some/temp/dir/my_own.data (109 samples) ]
+#!    [ perf record: Captured and wrote 0.405 MB ./UPPERCASE.data (109 samples) ]
+#!    [ perf record: Captured and wrote 0.405 MB ./aNyKiNDoF.data.3 (109 samples) ]
+#!    [ perf record: Captured and wrote 0.405 MB perf.data ]
+
+
+export RE_LINE_TRACE_FULL="^\s*$RE_NUMBER\s*\(\s*$RE_NUMBER\s*ms\s*\):\s*$RE_PROCESS_PID\s+.*\)\s+=\s+(:?\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$"
+# A line of perf-trace output
+# Examples:
+#    0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) = 3
+#    0.157 ( 0.005 ms): sleep/4102 mmap(len: 3932736, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3   ) = 0x7f89d0605000
+#!    0.115 ( 0.005 ms): sleep/4102 open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) =
+
+export RE_LINE_TRACE_ONE_PROC="^\s*$RE_NUMBER\s*\(\s*$RE_NUMBER\s*ms\s*\):\s*\w+\(.*\)\s+=\s+(?:\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$"
+# A line of perf-trace output
+# Examples:
+#    0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) = 3
+#    0.157 ( 0.005 ms): mmap(len: 3932736, prot: EXEC|READ, flags: PRIVATE|DENYWRITE, fd: 3   ) = 0x7f89d0605000
+#!    0.115 ( 0.005 ms): open(filename: 0xd09e2ab2, flags: CLOEXEC                             ) =
+
+export RE_LINE_TRACE_CONTINUED="^\s*(:?$RE_NUMBER|\?)\s*\(\s*($RE_NUMBER\s*ms\s*)?\):\s*($RE_PROCESS_PID\s*)?\.\.\.\s*\[continued\]:\s+\w+\(\).*\s+=\s+(?:\-?$RE_NUMBER|0x$RE_NUMBER_HEX).*$"
+# A line of perf-trace output
+# Examples:
+#    0.000 ( 0.000 ms):  ... [continued]: nanosleep()) = 0
+#    0.000 ( 0.000 ms):  ... [continued]: nanosleep()) = 0x00000000
+#    ? (         ): packagekitd/94838  ... [continued]: poll())                                             = 0 (Timeout)
+#!    0.000 ( 0.000 ms):  ... [continued]: nanosleep()) =
+
+export RE_LINE_TRACE_UNFINISHED="^\s*$RE_NUMBER\s*\(\s*\):\s*$RE_PROCESS_PID\s+.*\)\s+\.\.\.\s*$"
+# A line of perf-trace output
+# Examples:
+#    901.040 (         ): in:imjournal/1096 ppoll(ufds: 0x7f701a5adb70, nfds: 1, tsp: 0x7f701a5adaf0, sigsetsize: 8) ...
+#    613.727 (         ): gmain/1099 poll(ufds: 0x56248f6b64b0, nfds: 2, timeout_msecs: 3996)           ...
+
+export RE_LINE_TRACE_SUMMARY_HEADER="\s*syscall\s+calls\s+(?:errors\s+)?total\s+min\s+avg\s+max\s+stddev"
+# A header of a perf-trace summary table
+# Example:
+#    syscall            calls    total       min       avg       max      stddev
+#    syscall            calls  errors  total       min       avg       max       stddev
+
+
+export RE_LINE_TRACE_SUMMARY_CONTENT="^\s*\w+\s+(?:$RE_NUMBER\s+){5,6}$RE_NUMBER%"
+# A line of a perf-trace summary table
+# Example:
+#    open                   3     0.017     0.005     0.006     0.007     10.90%
+#    openat                 2      0     0.017     0.008     0.009     0.010     12.29%
+
+
+export RE_LINE_REPORT_CONTENT="^\s+$RE_NUMBER%\s+\w+\s+\S+\s+\S+\s+\S+" # FIXME
+# A line from typicap perf report --stdio output
+# Example:
+#     100.00%  sleep    [kernel.vmlinux]  [k] syscall_return_slowpath
+
+
+export RE_TASK="\s+[\w~\/ \.\+:#-]+(?:\[-1(?:\/\d+)?\]|\[\d+(?:\/\d+)?\])"
+# A name of a task used for perf sched timehist -s
+# Example:
+#     sleep[62755]
+#     runtest.sh[62762]
+#     gmain[705/682]
+#     xfsaild/dm-0[495]
+#     kworker/u8:1-ev[62714]
+#     :-1[-1/62756]
+#     :-1[-1]
+#     :-1[62756]
+
+
+export RE_SEGFAULT=".*(?:Segmentation\sfault|SIGSEGV|\score\s|dumped|segfault).*"
+# Possible variations of the segfault message
+# Example:
+#     /bin/bash: line 1:    32 Segmentation fault      timeout 15s
+#     Segmentation fault (core dumped)
+#     Program terminated with signal SIGSEGV
+#!     WARNING: 12323431 isn't a 'cpu_core', please use a CPU list in the 'cpu_core' range (0-15)

linux-7.2.3/tools/perf/tests/shell/common/settings.sh

@@ -0,0 +1,105 @@
+# SPDX-License-Identifier: GPL-2.0
+#
+#	settings.sh
+#	Author: Michael Petlan <mpetlan@redhat.com>
+#
+#	Description:
+#
+#		This file contains global settings for the whole testsuite.
+#	Its purpose is to make it easier when it is necessary i.e. to
+#	change the usual sample command which is used in all of the tests
+#	in many files.
+#
+#		This file is intended to be sourced in the tests.
+#
+
+#### which perf to use in the testing
+export CMD_PERF=${CMD_PERF:-`which perf`}
+
+#### basic programs examinated by perf
+export CMD_BASIC_SLEEP="sleep 0.1"
+export CMD_QUICK_SLEEP="sleep 0.01"
+export CMD_LONGER_SLEEP="sleep 2"
+export CMD_DOUBLE_LONGER_SLEEP="sleep 4"
+export CMD_VERY_LONG_SLEEP="sleep 30"
+export CMD_SIMPLE="true"
+
+#### testsuite run mode
+# define constants:
+export RUNMODE_BASIC=0
+export RUNMODE_STANDARD=1
+export RUNMODE_EXPERIMENTAL=2
+# default runmode is STANDARD
+export PERFTOOL_TESTSUITE_RUNMODE=${PERFTOOL_TESTSUITE_RUNMODE:-$RUNMODE_STANDARD}
+
+#### common settings
+export TESTLOG_VERBOSITY=${TESTLOG_VERBOSITY:-2}
+export TESTLOG_FORCE_COLOR=${TESTLOG_FORCE_COLOR:-n}
+export TESTLOG_ERR_MSG_MAX_LINES=${TESTLOG_ERR_MSG_MAX_LINES:-20}
+export TESTLOG_CLEAN=${TESTLOG_CLEAN:-y}
+
+#### other environment-related settings
+export TEST_IGNORE_MISSING_PMU=${TEST_IGNORE_MISSING_PMU:-n}
+
+#### clear locale
+export LC_ALL=C
+
+#### colors
+if [ -t 1 ] || [ "$TESTLOG_FORCE_COLOR" = "yes" ]; then
+	export MPASS="\e[32m"
+	export MALLPASS="\e[1;32m"
+	export MFAIL="\e[31m"
+	export MALLFAIL="\e[1;31m"
+	export MWARN="\e[1;35m"
+	export MSKIP="\e[33m"
+	export MHIGH="\e[1;33m"
+	export MEND="\e[m"
+else
+	export MPASS=""
+	export MALLPASS=""
+	export MFAIL=""
+	export MALLFAIL=""
+	export MWARN=""
+	export MSKIP=""
+	export MHIGH=""
+	export MEND=""
+fi
+
+### general info
+DIR_PATH=`dirname "$(readlink -e "$0")"`
+
+TEST_NAME=`basename $DIR_PATH | sed 's/base/perf/'`; export TEST_NAME
+MY_ARCH=`arch`; export MY_ARCH
+
+# storing logs and temporary files variables
+if [ -n "$PERFSUITE_RUN_DIR" ]; then
+	# when $PERFSUITE_RUN_DIR is set to something, all the logs and temp files will be placed there
+	# --> the $PERFSUITE_RUN_DIR/perf_something/examples and $PERFSUITE_RUN_DIR/perf_something/logs
+	#     dirs will be used for that
+	PERFSUITE_RUN_DIR=`readlink -f $PERFSUITE_RUN_DIR`; export PERFSUITE_RUN_DIR
+	export CURRENT_TEST_DIR="$PERFSUITE_RUN_DIR/$TEST_NAME"
+	export MAKE_TARGET_DIR="$CURRENT_TEST_DIR/examples"
+	export LOGS_DIR="$CURRENT_TEST_DIR/logs"
+	export HEADER_TAR_DIR="$CURRENT_TEST_DIR/header_tar"
+	test -d "$CURRENT_TEST_DIR" || mkdir -p "$CURRENT_TEST_DIR"
+	test -d "$LOGS_DIR" || mkdir -p "$LOGS_DIR"
+else
+	# when $PERFSUITE_RUN_DIR is not set, logs will be placed here
+	export CURRENT_TEST_DIR="."
+	export LOGS_DIR="."
+	export HEADER_TAR_DIR="./header_tar"
+fi
+
+
+#### test parametrization
+if [ ! -d ./common ]; then
+	# set parameters based on runmode
+	if [ -f ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh ]; then
+		# shellcheck source=/dev/null
+		. ../common/parametrization.$PERFTOOL_TESTSUITE_RUNMODE.sh
+	fi
+	# if some parameters haven't been set until now, set them to default
+	if [ -f ../common/parametrization.sh ]; then
+		. ../common/parametrization.sh
+	fi
+fi