1#!/bin/bash 2# perf script task-analyzer tests (exclusive) 3# SPDX-License-Identifier: GPL-2.0 4 5tmpdir=$(mktemp -d /tmp/perf-script-task-analyzer-XXXXX) 6# TODO: perf script report only supports input from the CWD perf.data file, make 7# it support input from any file. 8perfdata="perf.data" 9csv="$tmpdir/csv" 10csvsummary="$tmpdir/csvsummary" 11err=0 12 13# set PERF_EXEC_PATH to find scripts in the source directory 14perfdir=$(dirname "$0")/../.. 15if [ -e "$perfdir/scripts/python/Perf-Trace-Util" ]; then 16 export PERF_EXEC_PATH=$perfdir 17fi 18 19# Disable lsan to avoid warnings about python memory leaks. 20export ASAN_OPTIONS=detect_leaks=0 21 22cleanup() { 23 rm -f "${perfdata}" 24 rm -f "${perfdata}".old 25 rm -rf "$tmpdir" 26 27 trap - exit term int 28} 29 30trap_cleanup() { 31 cleanup 32 exit 1 33} 34trap trap_cleanup exit term int 35 36report() { 37 if [ "$1" = 0 ]; then 38 echo "PASS: \"$2\"" 39 else 40 echo "FAIL: \"$2\" Error message: \"$3\"" 41 err=1 42 fi 43} 44 45check_exec_0() { 46 if [ $? != 0 ]; then 47 report 1 "invocation of $1 command failed" 48 fi 49} 50 51find_str_or_fail() { 52 grep -q "$1" "$2" 53 if [ "$?" != 0 ]; then 54 report 1 "$3" "Failed to find required string:'${1}'." 55 else 56 report 0 "$3" 57 fi 58} 59 60# check if perf is compiled with libtraceevent support 61skip_no_probe_record_support() { 62 perf check feature -q libtraceevent && return 0 63 return 2 64} 65 66prepare_perf_data() { 67 # 1s should be sufficient to catch at least some switches 68 perf record -e sched:sched_switch -a -o "${perfdata}" -- sleep 1 > /dev/null 2>&1 69 # check if perf data file got created in above step. 70 if [ ! -e "${perfdata}" ]; then 71 printf "FAIL: perf record failed to create \"${perfdata}\" \n" 72 return 1 73 fi 74} 75 76# check standard inkvokation with no arguments 77test_basic() { 78 out="$tmpdir/perf.out" 79 perf script report task-analyzer > "$out" 80 check_exec_0 "perf script report task-analyzer" 81 find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}" 82} 83 84test_ns_rename(){ 85 out="$tmpdir/perf.out" 86 perf script report task-analyzer --ns --rename-comms-by-tids 0:random > "$out" 87 check_exec_0 "perf script report task-analyzer --ns --rename-comms-by-tids 0:random" 88 find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}" 89} 90 91test_ms_filtertasks_highlight(){ 92 out="$tmpdir/perf.out" 93 perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf \ 94 > "$out" 95 check_exec_0 "perf script report task-analyzer --ms --filter-tasks perf --highlight-tasks perf" 96 find_str_or_fail "Comm" "$out" "${FUNCNAME[0]}" 97} 98 99test_extended_times_timelimit_limittasks() { 100 out="$tmpdir/perf.out" 101 perf script report task-analyzer --extended-times --time-limit :99999 \ 102 --limit-to-tasks perf > "$out" 103 check_exec_0 "perf script report task-analyzer --extended-times --time-limit :99999 --limit-to-tasks perf" 104 find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}" 105} 106 107test_summary() { 108 out="$tmpdir/perf.out" 109 perf script report task-analyzer --summary > "$out" 110 check_exec_0 "perf script report task-analyzer --summary" 111 find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}" 112} 113 114test_summaryextended() { 115 out="$tmpdir/perf.out" 116 perf script report task-analyzer --summary-extended > "$out" 117 check_exec_0 "perf script report task-analyzer --summary-extended" 118 find_str_or_fail "Inter Task Times" "$out" "${FUNCNAME[0]}" 119} 120 121test_summaryonly() { 122 out="$tmpdir/perf.out" 123 perf script report task-analyzer --summary-only > "$out" 124 check_exec_0 "perf script report task-analyzer --summary-only" 125 find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}" 126} 127 128test_extended_times_summary_ns() { 129 out="$tmpdir/perf.out" 130 perf script report task-analyzer --extended-times --summary --ns > "$out" 131 check_exec_0 "perf script report task-analyzer --extended-times --summary --ns" 132 find_str_or_fail "Out-Out" "$out" "${FUNCNAME[0]}" 133 find_str_or_fail "Summary" "$out" "${FUNCNAME[0]}" 134} 135 136test_csv() { 137 perf script report task-analyzer --csv "${csv}" > /dev/null 138 check_exec_0 "perf script report task-analyzer --csv ${csv}" 139 find_str_or_fail "Comm;" "${csv}" "${FUNCNAME[0]}" 140} 141 142test_csv_extended_times() { 143 perf script report task-analyzer --csv "${csv}" --extended-times > /dev/null 144 check_exec_0 "perf script report task-analyzer --csv ${csv} --extended-times" 145 find_str_or_fail "Out-Out;" "${csv}" "${FUNCNAME[0]}" 146} 147 148test_csvsummary() { 149 perf script report task-analyzer --csv-summary "${csvsummary}" > /dev/null 150 check_exec_0 "perf script report task-analyzer --csv-summary ${csvsummary}" 151 find_str_or_fail "Comm;" "${csvsummary}" "${FUNCNAME[0]}" 152} 153 154test_csvsummary_extended() { 155 perf script report task-analyzer --csv-summary "${csvsummary}" --summary-extended \ 156 >/dev/null 157 check_exec_0 "perf script report task-analyzer --csv-summary ${csvsummary} --summary-extended" 158 find_str_or_fail "Out-Out;" "${csvsummary}" "${FUNCNAME[0]}" 159} 160 161skip_no_probe_record_support 162err=$? 163if [ $err -ne 0 ]; then 164 echo "WARN: Skipping tests. No libtraceevent support" 165 cleanup 166 exit $err 167fi 168prepare_perf_data 169test_basic 170test_ns_rename 171test_ms_filtertasks_highlight 172test_extended_times_timelimit_limittasks 173test_summary 174test_summaryextended 175test_summaryonly 176test_extended_times_summary_ns 177test_csv 178test_csvsummary 179test_csv_extended_times 180test_csvsummary_extended 181cleanup 182exit $err 183