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Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153154155156157158159160161162163164165166167168169170171172173174175176177178179180181182183184185186187188189190191192193194195196197198199200201202203204205206207208209210211212213214215216217218219220221222223224225226227228229230231232233234235236237238239240241242243244245246247248249250251252253254255256257258259260261262263264265266267268269270271272273274275276277278279280281282283284285286#!/bin/bash# perf_report :: Basic perf report options (exclusive)# 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.##
DIR_PATH="$(dirname $0)"TEST_RESULT=0
# include working environment. "$DIR_PATH/../common/init.sh"
### 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> $LOGS_DIR/basic_helpmsg.err PERF_EXIT_CODE=$?
"$DIR_PATH/../common/check_all_patterns_found.pl" \ "PERF-REPORT" "NAME" "SYNOPSIS" "DESCRIPTION" "OPTIONS" \ "OVERHEAD\s+CALCULATION" "SEE ALSO" < $LOGS_DIR/basic_helpmsg.log CHECK_EXIT_CODE=$? "$DIR_PATH/../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 += $? )) "$DIR_PATH/../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 += $? )) "$DIR_PATH/../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 += $? )) "$DIR_PATH/../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 += $? )) "$DIR_PATH/../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 += $? )) "$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 += $? ))else print_testcase_skipped "help message"fi
### basic execution
# test that perf report is even working$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data --stdio > $LOGS_DIR/basic_basic.log 2> $LOGS_DIR/basic_basic.errPERF_EXIT_CODE=$?
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+""$DIR_PATH/../common/check_all_patterns_found.pl" \ "$REGEX_LOST_SAMPLES_INFO" "$REGEX_SAMPLES_INFO" \ "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_basic.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "$DIR_PATH/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> $LOGS_DIR/basic_nrsamples.errPERF_EXIT_CODE=$?
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+""$DIR_PATH/../common/check_all_patterns_found.pl" \ "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_nrsamples.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "$DIR_PATH/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 > $LOGS_DIR/basic_header.logPERF_EXIT_CODE=$?
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 runmodetest $PERFTOOL_TESTSUITE_RUNMODE -lt $RUNMODE_STANDARD && REGEX_LINE_CPUS_AVAIL="#\s+nrcpus avail\s*:\s*$RE_NUMBER""$DIR_PATH/../common/check_all_patterns_found.pl" \ "$REGEX_LINE_TIMESTAMP" "$REGEX_LINE_HOSTNAME" "$REGEX_LINE_KERNEL" \ "$REGEX_LINE_PERF" "$REGEX_LINE_ARCH" "$REGEX_LINE_CPUS_ONLINE" \ "$REGEX_LINE_CPUS_AVAIL" < $LOGS_DIR/basic_header.logCHECK_EXIT_CODE=$?
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "header"(( TEST_RESULT += $? ))
# '--header' and '--header-only' should use creation timeOLD_TIMESTAMP=`$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> $LOGS_DIR/basic_cpuut.errPERF_EXIT_CODE=$?
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+""$DIR_PATH/../common/check_all_patterns_found.pl" \ "$REGEX_LINES_HEADER" "$REGEX_LINES" < $LOGS_DIR/basic_cpuut.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "$DIR_PATH/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> $LOGS_DIR/basic_pid.errPERF_EXIT_CODE=$?
grep -P -v '^#' $LOGS_DIR/basic_pid.log | grep -P '\s+[\d\.]+%' | \ "$DIR_PATH/../common/check_all_lines_matched.pl" "systemd|init"CHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "$DIR_PATH/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> $LOGS_DIR/basic_symbols.errPERF_EXIT_CODE=$?
"$DIR_PATH/../common/check_all_lines_matched.pl" \ "$RE_LINE_EMPTY" "$RE_LINE_COMMENT" < $LOGS_DIR/basic_symbols.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "$DIR_PATH/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> $LOGS_DIR/basic_symbolfilter.errPERF_EXIT_CODE=$?
grep -P -v '^#' $LOGS_DIR/basic_symbolfilter.log | grep -P '\s+[\d\.]+%' | \ "$DIR_PATH/../common/check_all_lines_matched.pl" "\[[k\.]\]\s+.*map"CHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "$DIR_PATH/stderr-whitelist.txt" < $LOGS_DIR/basic_symbolfilter.err(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "symbol filter"(( TEST_RESULT += $? ))
### latency and parallelism
# Record with --latency should record with context switches.$CMD_PERF report -i $CURRENT_TEST_DIR/perf.data.1 --stdio --header-only > $LOGS_DIR/latency_header.logPERF_EXIT_CODE=$?
"$DIR_PATH/../common/check_all_patterns_found.pl" \ ", context_switch = 1, " < $LOGS_DIR/latency_header.logCHECK_EXIT_CODE=$?
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "latency header"(( TEST_RESULT += $? ))
# The default report for latency profile should show Overhead and Latency fields (in that order).$CMD_PERF report --stdio -i $CURRENT_TEST_DIR/perf.data.1 > $LOGS_DIR/latency_default.log 2> $LOGS_DIR/latency_default.errPERF_EXIT_CODE=$?
"$DIR_PATH/../common/check_all_patterns_found.pl" \ "# Overhead Latency Command" < $LOGS_DIR/latency_default.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "stderr-whitelist.txt" < $LOGS_DIR/latency_default.err(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "default report for latency profile"(( TEST_RESULT += $? ))
# The latency report for latency profile should show Latency and Overhead fields (in that order).$CMD_PERF report --latency --stdio -i $CURRENT_TEST_DIR/perf.data.1 > $LOGS_DIR/latency_latency.log 2> $LOGS_DIR/latency_latency.errPERF_EXIT_CODE=$?
"$DIR_PATH/../common/check_all_patterns_found.pl" \ "# Latency Overhead Command" < $LOGS_DIR/latency_latency.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "stderr-whitelist.txt" < $LOGS_DIR/latency_latency.err(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "latency report for latency profile"(( TEST_RESULT += $? ))
# Ensure parallelism histogram with parallelism filter does not fail/crash.$CMD_PERF report --hierarchy --sort latency,parallelism,comm,symbol --parallelism=1,2 --stdio -i $CURRENT_TEST_DIR/perf.data.1 > $LOGS_DIR/parallelism_hierarchy.log 2> $LOGS_DIR/parallelism_hierarchy.errPERF_EXIT_CODE=$?
"$DIR_PATH/../common/check_all_patterns_found.pl" \ "# Latency Parallelism / Command / Symbol" \ < $LOGS_DIR/parallelism_hierarchy.logCHECK_EXIT_CODE=$?"$DIR_PATH/../common/check_errors_whitelisted.pl" \ "stderr-whitelist.txt" < $LOGS_DIR/parallelism_hierarchy.err(( CHECK_EXIT_CODE += $? ))
print_results $PERF_EXIT_CODE $CHECK_EXIT_CODE "parallelism histogram"(( TEST_RESULT += $? ))
# TODO: $CMD_PERF report -n --showcpuutilization -TUxDg 2> 01.log
# print overall resultsprint_overall_results "$TEST_RESULT"exit $?