1#!/bin/bash 2# perf stat CSV output linter 3# SPDX-License-Identifier: (LGPL-2.1 OR BSD-2-Clause) 4# Tests various perf stat CSV output commands for the 5# correct number of fields and the CSV separator set to ','. 6 7set -e 8 9# shellcheck source=lib/stat_output.sh 10. "$(dirname $0)"/lib/stat_output.sh 11 12csv_sep=@ 13 14stat_output=$(mktemp /tmp/__perf_test.stat_output.csv.XXXXX) 15 16cleanup() { 17 rm -f "${stat_output}" 18 19 trap - EXIT TERM INT 20} 21 22trap_cleanup() { 23 cleanup 24 exit 1 25} 26trap trap_cleanup EXIT TERM INT 27 28function commachecker() 29{ 30 local -i cnt=0 31 local exp=0 32 33 case "$1" 34 in "--no-args") exp=6 35 ;; "--system-wide") exp=6 36 ;; "--event") exp=6 37 ;; "--interval") exp=7 38 ;; "--per-thread") exp=7 39 ;; "--system-wide-no-aggr") exp=7 40 [ "$(uname -m)" = "s390x" ] && exp='^[6-7]$' 41 ;; "--per-core") exp=8 42 ;; "--per-socket") exp=8 43 ;; "--per-node") exp=8 44 ;; "--per-die") exp=8 45 ;; "--per-cache") exp=8 46 esac 47 48 while read line 49 do 50 # Ignore initial "started on" comment. 51 x=${line:0:1} 52 [ "$x" = "#" ] && continue 53 # Ignore initial blank line. 54 [ "$line" = "" ] && continue 55 56 # Count the number of commas 57 x=$(echo $line | tr -d -c $csv_sep) 58 cnt="${#x}" 59 # echo $line $cnt 60 [[ ! "$cnt" =~ $exp ]] && { 61 echo "wrong number of fields. expected $exp in $line" 1>&2 62 exit 1; 63 } 64 done < "${stat_output}" 65 return 0 66} 67 68perf_cmd="-x$csv_sep -o ${stat_output}" 69 70skip_test=$(check_for_topology) 71check_no_args "CSV" "$perf_cmd" 72check_system_wide "CSV" "$perf_cmd" 73check_interval "CSV" "$perf_cmd" 74check_event "CSV" "$perf_cmd" 75check_per_thread "CSV" "$perf_cmd" 76check_per_node "CSV" "$perf_cmd" 77if [ $skip_test -ne 1 ] 78then 79 check_system_wide_no_aggr "CSV" "$perf_cmd" 80 check_per_core "CSV" "$perf_cmd" 81 check_per_cache_instance "CSV" "$perf_cmd" 82 check_per_die "CSV" "$perf_cmd" 83 check_per_socket "CSV" "$perf_cmd" 84else 85 echo "[Skip] Skipping tests for system_wide_no_aggr, per_core, per_die and per_socket since socket id exposed via topology is invalid" 86fi 87cleanup 88exit 0 89