tools/perf/tests/shell/test_task_analyzer.sh

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