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#!/bin/bash
# SPDX-License-Identifier: GPL-2.0
#
# test_basic of perf_report test
# Author: Michael Petlan <mpetlan@redhat.com>
#
# Description:
#
# This test tests basic functionality of perf report command.
#
#
# include working environment
. ../common/init.sh
TEST_RESULT=0
### help message
if [ "$PARAM_GENERAL_HELP_TEXT_CHECK" = "y" ]; then
# test that a help message is shown and looks reasonable
$CMD_PERF report --help > $LOGS_DIR/basic_helpmsg.log 2> $LOGS_DIR/basic_helpmsg.err
PERF_EXIT_CODE=$?
../common/check_all_patterns_found.pl "PERF-REPORT" "NAME" "SYNOPSIS" "DESCRIPTION" "OPTIONS" "OVERHEAD\s+CALCULATION" "SEE ALSO" < $LOGS_DIR/basic_helpmsg.log
CHECK_EXIT_CODE=$?
../common/check_all_patterns_found.pl "input" "verbose" "show-nr-samples" "show-cpu-utilization" "threads" "comms" "pid" "tid" "dsos" "symbols" "symbol-filter" < $LOGS_DIR/basic_helpmsg.log
(( CHECK_EXIT_CODE += $? ))
../common/check_all_patterns_found.pl "hide-unresolved" "sort" "fields" "parent" "exclude-other" "column-widths" "field-separator" "dump-raw-trace" "children" < $LOGS_DIR/basic_helpmsg.log
(( CHECK_EXIT_CODE += $? ))
../common/check_all_patterns_found.pl "call-graph" "max-stack" "inverted" "ignore-callees" "pretty" "stdio" "tui" "gtk" "vmlinux" "kallsyms" "modules" < $LOGS_DIR/basic_helpmsg.log
(( CHECK_EXIT_CODE += $? ))
../common/check_all_patterns_found.pl "force" "symfs" "cpu" "disassembler-style" "source" "asm-raw" "show-total-period" "show-info" "branch-stack" "group" < $LOGS_DIR/basic_helpmsg.log
(( CHECK_EXIT_CODE += $? ))
../common/check_all_patterns_found.pl "branch-history" "objdump" "demangle" "percent-limit" "percentage" "header" "itrace" "full-source-path" "show-ref-call-graph" < $LOGS_DIR/basic_helpmsg.log
(( CHECK_EXIT_CODE += $? ))
../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
### basic execution
# test that perf report is even working
$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio > $LOGS_DIR/basic_basic.log 2> $LOGS_DIR/basic_basic.err
PERF_EXIT_CODE=$?
REGEX_LOST_SAMPLES_INFO="#\s*Total Lost Samples:\s+$RE_NUMBER"
REGEX_SAMPLES_INFO="#\s*Samples:\s+(?:$RE_NUMBER)\w?\s+of\s+event\s+'$RE_EVENT_ANY'"
REGEX_LINES_HEADER="#\s*Children\s+Self\s+Command\s+Shared Object\s+Symbol"
REGEX_LINES="\s*$RE_NUMBER%\s+$RE_NUMBER%\s+\S+\s+\[kernel\.(?:vmlinux)|(?:kallsyms)\]\s+\[[k\.]\]\s+\w+"
../common/check_all_patterns_found.pl "$REGEX_LOST_SAMPLES_INFO" "$REGEX_SAMPLES_INFO" "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_basic.log
CHECK_EXIT_CODE=$?
../common/check_errors_whitelisted.pl "stderr-whitelist.txt" < $LOGS_DIR/basic_basic.err
(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "basic execution"
(( TEST_RESULT += $? ))
### number of samples
# '--show-nr-samples' should show number of samples for each symbol
$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --show-nr-samples > $LOGS_DIR/basic_nrsamples.log 2> $LOGS_DIR/basic_nrsamples.err
PERF_EXIT_CODE=$?
REGEX_LINES_HEADER="#\s*Children\s+Self\s+Samples\s+Command\s+Shared Object\s+Symbol"
REGEX_LINES="\s*$RE_NUMBER%\s+$RE_NUMBER%\s+$RE_NUMBER\s+\S+\s+\[kernel\.(?:vmlinux)|(?:kallsyms)\]\s+\[[k\.]\]\s+\w+"
../common/check_all_patterns_found.pl "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_nrsamples.log
CHECK_EXIT_CODE=$?
../common/check_errors_whitelisted.pl "stderr-whitelist.txt" < $LOGS_DIR/basic_nrsamples.err
(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "number of samples"
(( TEST_RESULT += $? ))
### header
# '--header' and '--header-only' should show perf report header
$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio --header-only > $LOGS_DIR/basic_header.log
PERF_EXIT_CODE=$?
REGEX_LINE_TIMESTAMP="#\s+captured on\s*:\s*$RE_DATE_TIME"
REGEX_LINE_HOSTNAME="#\s+hostname\s*:\s*$MY_HOSTNAME"
REGEX_LINE_KERNEL="#\s+os release\s*:\s*${MY_KERNEL_VERSION//+/\\+}"
REGEX_LINE_PERF="#\s+perf version\s*:\s*"
REGEX_LINE_ARCH="#\s+arch\s*:\s*$MY_ARCH"
REGEX_LINE_CPUS_ONLINE="#\s+nrcpus online\s*:\s*$MY_CPUS_ONLINE"
REGEX_LINE_CPUS_AVAIL="#\s+nrcpus avail\s*:\s*$MY_CPUS_AVAILABLE"
# disable precise check for "nrcpus avail" in BASIC runmode
test $PERFTOOL_TESTSUITE_RUNMODE -lt $RUNMODE_STANDARD && REGEX_LINE_CPUS_AVAIL="#\s+nrcpus avail\s*:\s*$RE_NUMBER"
../common/check_all_patterns_found.pl "$REGEX_LINE_TIMESTAMP" "$REGEX_LINE_HOSTNAME" "$REGEX_LINE_KERNEL" "$REGEX_LINE_PERF" "$REGEX_LINE_ARCH" "$REGEX_LINE_CPUS_ONLINE" "$REGEX_LINE_CPUS_AVAIL" < $LOGS_DIR/basic_header.log
CHECK_EXIT_CODE=$?
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "header"
(( TEST_RESULT += $? ))
# '--header' and '--header-only' should use creation time
OLD_TIMESTAMP=`$CMD_PERF report --stdio --header-only -i $CURRENT_TEST_DIR/perf.data | grep "captured on"`
PERF_EXIT_CODE=$?
( tar -C $CURRENT_TEST_DIR -c perf.data | xz > $CURRENT_TEST_DIR/perf.data.tar.xz ; xzcat $CURRENT_TEST_DIR/perf.data.tar.xz | tar x -C $HEADER_TAR_DIR )
(( PERF_EXIT_CODE += $? ))
NEW_TIMESTAMP=`$CMD_PERF report --stdio --header-only -i $HEADER_TAR_DIR/perf.data | grep "captured on"`
(( PERF_EXIT_CODE += $? ))
test "$OLD_TIMESTAMP" = "$NEW_TIMESTAMP"
CHECK_EXIT_CODE=$?
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "header timestamp"
(( TEST_RESULT += $? ))
### show CPU utilization
# '--showcpuutilization' should show percentage for both system and userspace mode
$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio --showcpuutilization > $LOGS_DIR/basic_cpuut.log 2> $LOGS_DIR/basic_cpuut.err
PERF_EXIT_CODE=$?
REGEX_LINES_HEADER="#\s*Children\s+Self\s+sys\s+usr\s+Command\s+Shared Object\s+Symbol"
REGEX_LINES="\s*$RE_NUMBER%\s+$RE_NUMBER%\s+$RE_NUMBER%\s+$RE_NUMBER%\s+\S+\s+\[kernel\.(?:vmlinux)|(?:kallsyms)\]\s+\[[k\.]\]\s+\w+"
../common/check_all_patterns_found.pl "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_cpuut.log
CHECK_EXIT_CODE=$?
../common/check_errors_whitelisted.pl "stderr-whitelist.txt" < $LOGS_DIR/basic_cpuut.err
(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "show CPU utilization"
(( TEST_RESULT += $? ))
### pid
# '--pid=' should limit the output for a process with the given pid only
$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --pid=1 > $LOGS_DIR/basic_pid.log 2> $LOGS_DIR/basic_pid.err
PERF_EXIT_CODE=$?
grep -P -v '^#' $LOGS_DIR/basic_pid.log | grep -P '\s+[\d\.]+%' | ../common/check_all_lines_matched.pl "systemd|init"
CHECK_EXIT_CODE=$?
../common/check_errors_whitelisted.pl "stderr-whitelist.txt" < $LOGS_DIR/basic_pid.err
(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "pid"
(( TEST_RESULT += $? ))
### non-existing symbol
# '--symbols' should show only the given symbols
$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --symbols=dummynonexistingsymbol > $LOGS_DIR/basic_symbols.log 2> $LOGS_DIR/basic_symbols.err
PERF_EXIT_CODE=$?
../common/check_all_lines_matched.pl "$RE_LINE_EMPTY" "$RE_LINE_COMMENT" < $LOGS_DIR/basic_symbols.log
CHECK_EXIT_CODE=$?
../common/check_errors_whitelisted.pl "stderr-whitelist.txt" < $LOGS_DIR/basic_symbols.err
(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "non-existing symbol"
(( TEST_RESULT += $? ))
### symbol filter
# '--symbol-filter' should filter symbols based on substrings
$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data --symbol-filter=map > $LOGS_DIR/basic_symbolfilter.log 2> $LOGS_DIR/basic_symbolfilter.err
PERF_EXIT_CODE=$?
grep -P -v '^#' $LOGS_DIR/basic_symbolfilter.log | grep -P '\s+[\d\.]+%' | ../common/check_all_lines_matched.pl "\[[k\.]\]\s+.*map"
CHECK_EXIT_CODE=$?
../common/check_errors_whitelisted.pl "stderr-whitelist.txt" < $LOGS_DIR/basic_symbolfilter.err
(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "symbol filter"
(( TEST_RESULT += $? ))
# TODO: $CMD_PERF report -n --showcpuutilization -TUxDg 2> 01.log
# print overall results
print_overall_results "$TEST_RESULT"
exit $?
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